Merge remote-tracking branch 'origin/develop' into BETTERZON-106

# Conflicts:
#	Frontend/src/app/app.component.html
#	Frontend/src/app/app.module.ts
#	Frontend/src/app/components/hot-deals-widget/hot-deals-widget.component.css
#	Frontend/src/app/pages/landingpage/landingpage.component.html
#	Frontend/src/styles.css

Backend/package.json

@@ -11,7 +11,9 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "@types/cookie-parser": "^1.4.2",
     "bcrypt": "^5.0.1",
+    "cookie-parser": "^1.4.5",
     "cors": "^2.8.5",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",

Backend/src/index.ts

@@ -14,6 +14,10 @@ import {vendorsRouter} from './models/vendors/vendors.router';
 import {errorHandler} from './middleware/error.middleware';
 import {notFoundHandler} from './middleware/notFound.middleware';
 import {usersRouter} from './models/users/users.router';
+import {pricealarmsRouter} from './models/pricealarms/pricealarms.router';
+import {contactpersonsRouter} from './models/contact_persons/contact_persons.router';
+
+const cookieParser = require('cookie-parser');
 
 dotenv.config();
 
@@ -38,12 +42,15 @@ const app = express();
 app.use(helmet());
 app.use(cors());
 app.use(express.json());
+app.use(cookieParser());
 app.use('/products', productsRouter);
 app.use('/categories', categoriesRouter);
 app.use('/manufacturers', manufacturersRouter);
 app.use('/prices', pricesRouter);
 app.use('/users', usersRouter);
 app.use('/vendors', vendorsRouter);
+app.use('/pricealarms', pricealarmsRouter);
+app.use('/contactpersons', contactpersonsRouter);
 
 app.use(errorHandler);
 app.use(notFoundHandler);

Backend/src/middleware/error.middleware.ts

@@ -1,5 +1,5 @@
-import HttpException from "../common/http-exception";
+import HttpException from '../common/http-exception';
-import { Request, Response, NextFunction } from "express";
+import {Request, Response, NextFunction} from 'express';
 
 export const errorHandler = (
     error: HttpException,
@@ -9,7 +9,7 @@ export const errorHandler = (
 ) => {
     const status = error.statusCode || 500;
     const message =
-        error.message || "It's not you. It's us. We are having some problems.";
+        error.message || 'It\'s not you. It\'s us. We are having some problems.';
 
     response.status(status).send(message);
 };

Backend/src/middleware/notFound.middleware.ts

@@ -1,4 +1,4 @@
-import { Request, Response, NextFunction } from "express";
+import {Request, Response, NextFunction} from 'express';
 
 export const notFoundHandler = (
     request: Request,
@@ -6,7 +6,7 @@ export const notFoundHandler = (
     next: NextFunction
 ) => {
 
-    const message = "Resource not found";
+    const message = 'Resource not found';
 
     response.status(404).send(message);
 };

Backend/src/models/categories/categories.router.ts

@@ -27,7 +27,7 @@ categoriesRouter.get('/', async (req: Request, res: Response) => {
         res.status(200).send(categories);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -46,7 +46,7 @@ categoriesRouter.get('/:id', async (req: Request, res: Response) => {
         res.status(200).send(category);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -65,6 +65,6 @@ categoriesRouter.get('/search/:term', async (req: Request, res: Response) => {
         res.status(200).send(categories);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });

Backend/src/models/contact_persons/contact_person.interface.ts

@@ -0,0 +1,9 @@
+export interface Contact_Person {
+    contact_person_id: number;
+    first_name: string;
+    last_name: string;
+    gender: string;
+    email: string;
+    phone: string;
+    vendor_id: number;
+}

Backend/src/models/contact_persons/contact_persons.interface.ts

@@ -0,0 +1,5 @@
+import {Contact_Person} from './contact_person.interface';
+
+export interface Contact_Persons {
+    [key: number]: Contact_Person;
+}

Backend/src/models/contact_persons/contact_persons.router.ts

@@ -0,0 +1,129 @@
+/**
+ * Required External Modules and Interfaces
+ */
+
+import express, {Request, Response} from 'express';
+import * as ContactPersonService from './contact_persons.service';
+import {Contact_Person} from './contact_person.interface';
+import {Contact_Persons} from './contact_persons.interface';
+import * as UserService from '../users/users.service';
+import * as PriceService from '../prices/prices.service';
+
+
+/**
+ * Router Definition
+ */
+
+export const contactpersonsRouter = express.Router();
+
+
+/**
+ * Controller Definitions
+ */
+
+// GET contactpersons/
+contactpersonsRouter.get('/', async (req: Request, res: Response) => {
+    try {
+        const contacts: Contact_Persons = await ContactPersonService.findAll();
+
+        res.status(200).send(contacts);
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// GET contactpersons/:id
+contactpersonsRouter.get('/:id', async (req: Request, res: Response) => {
+    const id: number = parseInt(req.params.id, 10);
+
+    if (!id) {
+        res.status(400).send('Missing parameters.');
+        return;
+    }
+
+    try {
+        const contact: Contact_Person = await ContactPersonService.find(id);
+
+        res.status(200).send(contact);
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// GET contactpersons/byvendor/:id
+contactpersonsRouter.get('/byvendor/:id', async (req: Request, res: Response) => {
+    const id: number = parseInt(req.params.id, 10);
+
+    if (!id) {
+        res.status(400).send('Missing parameters.');
+        return;
+    }
+
+    try {
+        const contacts: Contact_Persons = await ContactPersonService.findByVendor(id);
+
+        res.status(200).send(contacts);
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// POST contactpersons/
+contactpersonsRouter.post('/', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get required parameters
+        const vendor_id = req.body.vendor_id;
+        const first_name = req.body.first_name;
+        const last_name = req.body.last_name;
+        const gender = req.body.gender;
+        const email = req.body.email;
+        const phone = req.body.phone;
+
+        const success = await ContactPersonService.createContactEntry(user.user_id, vendor_id, first_name, last_name, gender, email, phone);
+
+        if (success) {
+            res.sendStatus(200);
+        } else {
+            res.sendStatus(500);
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// PUT contactpersons/:id
+contactpersonsRouter.put('/:id', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get required parameters
+        const contact_person_id = parseInt(req.params.id, 10);
+        const vendor_id = req.body.vendor_id;
+        const first_name = req.body.first_name;
+        const last_name = req.body.last_name;
+        const gender = req.body.gender;
+        const email = req.body.email;
+        const phone = req.body.phone;
+
+        const success = await ContactPersonService.updateContactEntry(user.user_id, contact_person_id, vendor_id, first_name, last_name, gender, email, phone);
+
+        if (success) {
+            res.sendStatus(200);
+        } else {
+            res.sendStatus(500);
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});

Backend/src/models/contact_persons/contact_persons.service.ts

@@ -0,0 +1,175 @@
+import * as dotenv from 'dotenv';
+
+dotenv.config();
+
+const mariadb = require('mariadb');
+const pool = mariadb.createPool({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_DATABASE,
+    connectionLimit: 5
+});
+
+/**
+ * Data Model Interfaces
+ */
+
+import {Contact_Person} from './contact_person.interface';
+import {Contact_Persons} from './contact_persons.interface';
+
+
+/**
+ * Service Methods
+ */
+
+/**
+ * Fetches and returns all known contact persons
+ */
+export const findAll = async (): Promise<Contact_Persons> => {
+    let conn;
+    let contRows = [];
+    try {
+        conn = await pool.getConnection();
+        const rows = await conn.query('SELECT contact_person_id, first_name, last_name, gender, email, phone, vendor_id FROM contact_persons');
+        for (let row in rows) {
+            if (row !== 'meta') {
+                contRows.push(rows[row]);
+            }
+        }
+
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return contRows;
+};
+
+/**
+ * Fetches and returns the contact person with the specified id
+ * @param id The id of the contact person to fetch
+ */
+export const find = async (id: number): Promise<Contact_Person> => {
+    let conn;
+    let cont: any;
+    try {
+        conn = await pool.getConnection();
+        const rows = await conn.query('SELECT contact_person_id, first_name, last_name, gender, email, phone, vendor_id FROM contact_persons WHERE contact_person_id = ?', id);
+        for (let row in rows) {
+            if (row !== 'meta') {
+                cont = rows[row];
+            }
+        }
+
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return cont;
+};
+
+/**
+ * Fetches and returns the contact persons for the specified vendor
+ * @param id The id of the vendor to fetch contact persons for
+ */
+export const findByVendor = async (id: number): Promise<Contact_Persons> => {
+    let conn;
+    let contRows = [];
+    try {
+        conn = await pool.getConnection();
+        const rows = await conn.query('SELECT contact_person_id, first_name, last_name, gender, email, phone, vendor_id FROM contact_persons WHERE vendor_id = ?', id);
+        for (let row in rows) {
+            if (row !== 'meta') {
+                contRows.push(rows[row]);
+            }
+        }
+
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return contRows;
+};
+
+/**
+ * Creates a contact entry record
+ * @param user_id The user id of the issuing user
+ * @param vendor_id The vendor id of the vendor to create the record for
+ * @param first_name The first name of the contact person
+ * @param last_name The last name of the contact person
+ * @param gender The gender of the contact person
+ * @param email The email of the contact person
+ * @param phone The phone number of the contact person
+ */
+export const createContactEntry = async (user_id: number, vendor_id: number, first_name: string, last_name: string, gender: string, email: string, phone: string): Promise<Boolean> => {
+    let conn;
+    try {
+        conn = await pool.getConnection();
+
+        // Check if the user is authorized to manage the requested vendor
+        const user_vendor_rows = await conn.query('SELECT vendor_id FROM vendors WHERE vendor_id = ? AND admin_id = ?', [vendor_id, user_id]);
+        if (user_vendor_rows.length !== 1) {
+            return false;
+        }
+
+        // Create contact person entry
+        const res = await conn.query('INSERT INTO contact_persons (first_name, last_name, gender, email, phone, vendor_id) VALUES (?, ?, ?, ?, ?, ?)', [first_name, last_name, gender, email, phone, vendor_id]);
+
+        // If there are more / less than 1 affected rows, return false
+        return res.affectedRows === 1;
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+};
+
+/**
+ * Updates a contact entry record
+ * @param user_id The user id of the issuing user
+ * @param contact_person_id The id of the record to update
+ * @param vendor_id The vendor id of the vendor to create the record for
+ * @param first_name The first name of the contact person
+ * @param last_name The last name of the contact person
+ * @param gender The gender of the contact person
+ * @param email The email of the contact person
+ * @param phone The phone number of the contact person
+ */
+export const updateContactEntry = async (user_id: number, contact_person_id: number, vendor_id: number, first_name: string, last_name: string, gender: string, email: string, phone: string): Promise<Boolean> => {
+    let conn;
+    try {
+        conn = await pool.getConnection();
+
+        // Check if the user is authorized to manage the requested vendor
+        const user_vendor_rows = await conn.query('SELECT vendor_id FROM vendors WHERE vendor_id = ? AND admin_id = ?', [vendor_id, user_id]);
+        if (user_vendor_rows.length !== 1) {
+            return false;
+        }
+
+        // Create contact person entry
+        const res = await conn.query('UPDATE contact_persons SET first_name = ?, last_name = ?, gender = ?, email = ?, phone = ? WHERE contact_person_id = ? AND vendor_id = ?', [first_name, last_name, gender, email, phone, contact_person_id, vendor_id]);
+
+        // If there are more / less than 1 affected rows, return false
+        return res.affectedRows === 1;
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+};

Backend/src/models/manufacturers/manufacturers.router.ts

@@ -19,7 +19,7 @@ export const manufacturersRouter = express.Router();
  * Controller Definitions
  */
 
-// GET items/
+// GET manufacturers/
 manufacturersRouter.get('/', async (req: Request, res: Response) => {
     try {
         const manufacturers: Manufacturers = await ManufacturerService.findAll();
@@ -27,11 +27,11 @@ manufacturersRouter.get('/', async (req: Request, res: Response) => {
         res.status(200).send(manufacturers);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
-// GET items/:id
+// GET manufacturers/:id
 manufacturersRouter.get('/:id', async (req: Request, res: Response) => {
     const id: number = parseInt(req.params.id, 10);
 
@@ -46,11 +46,11 @@ manufacturersRouter.get('/:id', async (req: Request, res: Response) => {
         res.status(200).send(manufacturer);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
-// GET items/:term
+// GET manufacturers/:term
 manufacturersRouter.get('/search/:term', async (req: Request, res: Response) => {
     const term: string = req.params.term;
 
@@ -65,6 +65,6 @@ manufacturersRouter.get('/search/:term', async (req: Request, res: Response) =>
         res.status(200).send(manufacturer);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });

Backend/src/models/pricealarms/pricealarm.interface.ts

@@ -0,0 +1,6 @@
+export interface PriceAlarm {
+    alarm_id: number;
+    user_id: number;
+    product_id: number;
+    defined_price: number;
+}

Backend/src/models/pricealarms/pricealarms.interface.ts

@@ -0,0 +1,5 @@
+import {PriceAlarm} from './pricealarm.interface';
+
+export interface PriceAlarms {
+    [key: number]: PriceAlarm;
+}

Backend/src/models/pricealarms/pricealarms.router.ts

@@ -0,0 +1,102 @@
+/**
+ * Required External Modules and Interfaces
+ */
+
+import express, {Request, Response} from 'express';
+import * as PriceAlarmsService from './pricealarms.service';
+import {PriceAlarm} from './pricealarm.interface';
+import {PriceAlarms} from './pricealarms.interface';
+import * as UserService from '../users/users.service';
+
+
+/**
+ * Router Definition
+ */
+export const pricealarmsRouter = express.Router();
+
+
+/**
+ * Controller Definitions
+ */
+
+//GET pricealarms/
+pricealarmsRouter.get('/', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        const priceAlarms = await PriceAlarmsService.getPriceAlarms(user.user_id);
+
+        res.status(200).send(priceAlarms);
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// POST pricealarms/create
+pricealarmsRouter.post('/', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get info for price alarm creation
+        const product_id = req.body.product_id;
+        const defined_price = req.body.defined_price;
+
+        if (!product_id || !defined_price) {
+            // Missing
+            res.status(400).send(JSON.stringify({message: 'Missing parameters'}));
+            return;
+        }
+
+        // Create price alarm
+        const success = await PriceAlarmsService.createPriceAlarm(user.user_id, product_id, defined_price);
+
+        if (success) {
+            res.status(201).send(JSON.stringify({success: true}));
+            return;
+        } else {
+            res.status(500).send(JSON.stringify({success: false}));
+            return;
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// PUT pricealarms/update
+pricealarmsRouter.put('/', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get info for price alarm creation
+        const alarm_id = req.body.alarm_id;
+        const defined_price = req.body.defined_price;
+
+        if (!alarm_id || !defined_price) {
+            // Missing
+            res.status(400).send(JSON.stringify({message: 'Missing parameters'}));
+            return;
+        }
+
+        // Create price alarm
+        const success = await PriceAlarmsService.updatePriceAlarm(alarm_id, user.user_id, defined_price);
+
+        if (success) {
+            res.status(201).send(JSON.stringify({success: true}));
+            return;
+        } else {
+            res.status(500).send(JSON.stringify({success: false}));
+            return;
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});

Backend/src/models/pricealarms/pricealarms.service.ts

@@ -0,0 +1,106 @@
+import * as dotenv from 'dotenv';
+
+dotenv.config();
+
+const mariadb = require('mariadb');
+const pool = mariadb.createPool({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_DATABASE,
+    connectionLimit: 5
+});
+
+/**
+ * Data Model Interfaces
+ */
+
+import {PriceAlarm} from './pricealarm.interface';
+import {PriceAlarms} from './pricealarms.interface';
+
+
+/**
+ * Service Methods
+ */
+
+/**
+ * Creates a price alarm for the given user for the product with the defined price
+ * @param user_id The id of the user to create the price alarm for
+ * @param product_id The id of the product to create the price alarm for
+ * @param defined_price The defined price for the price alarm
+ */
+export const createPriceAlarm = async (user_id: number, product_id: number, defined_price: number): Promise<Boolean> => {
+    let conn;
+    try {
+        conn = await pool.getConnection();
+        const res = await conn.query('INSERT INTO price_alarms (user_id, product_id, defined_price) VALUES (?, ?, ?)', [user_id, product_id, defined_price]);
+
+        if (res.affectedRows === 1) {
+            return true;
+        } else {
+            return false;
+        }
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return false;
+};
+
+/**
+ * Fetches and returns all price alarms for the given user
+ * @param user_id
+ */
+export const getPriceAlarms = async (user_id: number): Promise<PriceAlarms> => {
+    let conn;
+    let priceAlarms = [];
+    try {
+        conn = await pool.getConnection();
+        const rows = await conn.query('SELECT alarm_id, user_id, product_id, defined_price FROM price_alarms WHERE user_id = ?', user_id);
+        for (let row in rows) {
+            if (row !== 'meta') {
+                priceAlarms.push(rows[row]);
+            }
+        }
+
+        return priceAlarms;
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+};
+
+/**
+ * Updates the given price alarm with the given fields
+ * @param alarm_id The id of the price alarm to update
+ * @param user_id The id of the user that wants to update the price alarm
+ * @param defined_price The defined price for the price alarm
+ */
+export const updatePriceAlarm = async (alarm_id: number, user_id: number, defined_price: number): Promise<Boolean> => {
+    let conn;
+    try {
+        conn = await pool.getConnection();
+        const res = await conn.query('UPDATE price_alarms SET defined_price = ? WHERE alarm_id = ? AND user_id = ?', [defined_price, alarm_id, user_id]);
+
+        if (res.affectedRows === 1) {
+            return true;
+        } else {
+            return false;
+        }
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return false;
+};

Backend/src/models/prices/price.interface.ts

@@ -4,7 +4,24 @@ export interface Price {
     vendor_id: number;
     price_in_cents: number;
     timestamp: Date;
-    // Only for deals
+}
-    amazonDifference?: number;
+
-    amazonDifferencePercent?: number;
+export class Deal implements Price {
+    price_id: number;
+    product_id: number;
+    vendor_id: number;
+    price_in_cents: number;
+    timestamp: Date;
+    amazonDifference: number;
+    amazonDifferencePercent: number;
+
+    constructor(price_id: number, product_id: number, vendor_id: number, price_in_cents: number, timestamp: Date, amazonDifference: number, amazonDifferencePercent: number) {
+        this.price_id = price_id;
+        this.product_id = product_id;
+        this.vendor_id = vendor_id;
+        this.price_in_cents = price_in_cents;
+        this.timestamp = timestamp;
+        this.amazonDifference = amazonDifference;
+        this.amazonDifferencePercent = amazonDifferencePercent;
+    }
 }

Backend/src/models/prices/prices.router.ts

@@ -6,6 +6,7 @@ import express, {Request, Response} from 'express';
 import * as PriceService from './prices.service';
 import {Price} from './price.interface';
 import {Prices} from './prices.interface';
+import * as UserService from '../users/users.service';
 
 
 /**
@@ -40,7 +41,7 @@ pricesRouter.get('/', async (req: Request, res: Response) => {
         res.status(200).send(prices);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -59,7 +60,7 @@ pricesRouter.get('/:id', async (req: Request, res: Response) => {
         res.status(200).send(price);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -78,7 +79,7 @@ pricesRouter.get('/bestDeals/:amount', async (req: Request, res: Response) => {
         res.status(200).send(prices);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -97,6 +98,31 @@ pricesRouter.get('/byProduct/list/:ids', async (req: Request, res: Response) =>
         res.status(200).send(prices);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// POST prices/
+pricesRouter.post('/', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get required parameters
+        const vendor_id = req.body.vendor_id;
+        const product_id = req.body.product_id;
+        const price_in_cents = req.body.price_in_cents;
+
+        const success = await PriceService.createPriceEntry(user.user_id, vendor_id, product_id, price_in_cents);
+
+        if (success) {
+            res.sendStatus(200);
+        } else {
+            res.sendStatus(500);
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });

Backend/src/models/prices/prices.service.ts

@@ -15,7 +15,7 @@ const pool = mariadb.createPool({
  * Data Model Interfaces
  */
 
-import {Price} from './price.interface';
+import {Deal, Price} from './price.interface';
 import {Prices} from './prices.interface';
 
 
@@ -31,7 +31,7 @@ export const findAll = async (): Promise<Prices> => {
     let priceRows = [];
     try {
         conn = await pool.getConnection();
-        const rows = await conn.query('SELECT price_id, product_id, vendor_id, price_in_cents, timestamp FROM prices');
+        const rows = await conn.query('SELECT price_id, product_id, v.vendor_id, price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE active_listing = true AND v.isActive = true');
         for (let row in rows) {
             if (row !== 'meta') {
                 let price: Price = {
@@ -72,7 +72,7 @@ export const find = async (id: number): Promise<Price> => {
     let price: any;
     try {
         conn = await pool.getConnection();
-        const rows = await conn.query('SELECT price_id, product_id, vendor_id, price_in_cents, timestamp FROM prices WHERE price_id = ?', id);
+        const rows = await conn.query('SELECT price_id, product_id, p.vendor_id, price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE price_id = ? AND active_listing = true AND v.isActive = true', id);
         for (let row in rows) {
             if (row !== 'meta') {
                 price = rows[row];
@@ -99,7 +99,7 @@ export const findByProduct = async (product: number): Promise<Prices> => {
     let priceRows = [];
     try {
         conn = await pool.getConnection();
-        const rows = await conn.query('SELECT price_id, product_id, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ?', product);
+        const rows = await conn.query('SELECT price_id, product_id, p.vendor_id, price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE product_id = ? AND active_listing = true AND v.isActive = true', product);
         for (let row in rows) {
             if (row !== 'meta') {
                 priceRows.push(rows[row]);
@@ -142,16 +142,17 @@ export const findByType = async (product: string, type: string): Promise<Prices>
                 'PARTITION BY p.vendor_id ' +
                 'ORDER BY p.timestamp DESC) AS rk ' +
                 'FROM prices p ' +
-                'WHERE product_id = ? AND vendor_id != 1) ' +
+                'LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id ' +
+                'WHERE product_id = ? AND p.vendor_id != 1 AND active_listing = true AND v.isActive = true) ' +
                 'SELECT s.* ' +
                 'FROM summary s ' +
                 'WHERE s.rk = 1 '), product);
         } else if (type === 'lowest') {
             // Used to get the lowest prices for this product over a period of time
-            rows = await conn.query('SELECT price_id, product_id, vendor_id, MIN(price_in_cents) as price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id != 1 GROUP BY DAY(timestamp) ORDER BY timestamp', product);
+            rows = await conn.query('SELECT price_id, product_id, p.vendor_id, MIN(price_in_cents) as price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE product_id = ? AND v.vendor_id != 1 AND active_listing = true AND v.isActive = true GROUP BY DAY(timestamp) ORDER BY timestamp', product);
         } else {
             // If no type is given, return all prices for this product
-            rows = await conn.query('SELECT price_id, product_id, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id != 1', product);
+            rows = await conn.query('SELECT price_id, product_id, p.vendor_id, price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE product_id = ? AND p.vendor_id != 1 AND active_listing = true AND v.isActive = true', product);
         }
 
         for (let row in rows) {
@@ -188,13 +189,13 @@ export const findByVendor = async (product: string, vendor: string, type: string
         let rows = [];
         if (type === 'newest') {
             // Used to get the newest price for this product and vendor
-            rows = await conn.query('SELECT price_id, product_id, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id = ? ORDER BY timestamp DESC LIMIT 1', [product, vendor]);
+            rows = await conn.query('SELECT price_id, product_id, p.vendor_id, price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE product_id = ? AND p.vendor_id = ? AND active_listing = true AND v.isActive = true ORDER BY timestamp DESC LIMIT 1', [product, vendor]);
         } else if (type === 'lowest') {
             // Used to get the lowest prices for this product and vendor in all time
-            rows = await conn.query('SELECT price_id, product_id, vendor_id, MIN(price_in_cents) as price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id = ? LIMIT 1', [product, vendor]);
+            rows = await conn.query('SELECT price_id, product_id, p.vendor_id, MIN(price_in_cents) as price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE product_id = ? AND p.vendor_id = ? AND active_listing = true AND v.isActive = true LIMIT 1', [product, vendor]);
         } else {
             // If no type is given, return all prices for this product and vendor
-            rows = await conn.query('SELECT price_id, product_id, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id = ?', [product, vendor]);
+            rows = await conn.query('SELECT price_id, product_id, p.vendor_id, price_in_cents, timestamp FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE product_id = ? AND p.vendor_id = ? AND active_listing = true AND v.isActive = true', [product, vendor]);
         }
 
         for (let row in rows) {
@@ -237,7 +238,7 @@ export const getBestDeals = async (amount: number): Promise<Prices> => {
             '           ROW_NUMBER() OVER(\n' +
             '               PARTITION BY p.product_id, p.vendor_id\n' +
             '               ORDER BY p.timestamp DESC) AS rk\n' +
-            '    FROM prices p)\n' +
+            '    FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id WHERE active_listing = true AND v.isActive = true)\n' +
             'SELECT s.*\n' +
             'FROM summary s\n' +
             'WHERE s.rk = 1');
@@ -254,7 +255,7 @@ export const getBestDeals = async (amount: number): Promise<Prices> => {
         }
 
         // Iterate over all prices to find the products with the biggest difference between amazon and other vendor
-        let deals: Price[] = [];
+        let deals: Deal[] = [];
 
         Object.keys(allPrices).forEach(productId => {
             if (allPrices[parseInt(productId)]) {
@@ -286,7 +287,7 @@ export const getBestDeals = async (amount: number): Promise<Prices> => {
 
                 // Push only deals were the amazon price is actually higher
                 if (deal.amazonDifferencePercent > 0) {
-                    deals.push(deal as Price);
+                    deals.push(deal as Deal);
                 }
             }
         });
@@ -298,10 +299,8 @@ export const getBestDeals = async (amount: number): Promise<Prices> => {
         let maxAmt = Math.min(amount, deals.length);
 
         for (let dealIndex = 0; dealIndex < maxAmt; dealIndex++) {
-            //console.log(deals[dealIndex]);
             priceRows.push(deals[dealIndex] as Price);
         }
-
     } catch (err) {
         console.log(err);
         throw err;
@@ -316,7 +315,7 @@ export const getBestDeals = async (amount: number): Promise<Prices> => {
 
 /**
  * Fetches and returns the lowest, latest, non-amazon price for each given product
- * @param ids the ids of the products
+ * @param productIds the ids of the products
  */
 export const findListByProducts = async (productIds: [number]): Promise<Prices> => {
     let conn;
@@ -336,9 +335,9 @@ export const findListByProducts = async (productIds: [number]): Promise<Prices>
             '           ROW_NUMBER() OVER(\n' +
             '               PARTITION BY p.product_id, p.vendor_id\n' +
             '               ORDER BY p.timestamp DESC) AS rk\n' +
-            '    FROM prices p' +
+            '    FROM prices p LEFT OUTER JOIN vendors v ON v.vendor_id = p.vendor_id ' +
-            '    WHERE p.product_id IN (?)' +
+            '    WHERE p.product_id IN (?) AND v.isActive = true' +
-            '    AND p.vendor_id != 1)\n' +
+            '    AND p.vendor_id != 1 AND active_listing = true)\n' +
             'SELECT s.*\n' +
             'FROM summary s\n' +
             'WHERE s.rk = 1', [productIds]);
@@ -366,7 +365,6 @@ export const findListByProducts = async (productIds: [number]): Promise<Prices>
                 priceRows.push(pricesForProd[0]);
             }
         });
-
     } catch (err) {
         throw err;
     } finally {
@@ -377,3 +375,28 @@ export const findListByProducts = async (productIds: [number]): Promise<Prices>
 
     return priceRows;
 };
+
+export const createPriceEntry = async (user_id: number, vendor_id: number, product_id: number, price_in_cents: number): Promise<Boolean> => {
+    let conn;
+    try {
+        conn = await pool.getConnection();
+
+        // Check if the user is authorized to manage the requested vendor
+        const user_vendor_rows = await conn.query('SELECT vendor_id FROM vendors WHERE vendor_id = ? AND admin_id = ?', [vendor_id, user_id]);
+        if (user_vendor_rows.length !== 1) {
+            return false;
+        }
+
+        // Create price entry
+        const res = await conn.query('INSERT INTO prices (product_id, vendor_id, price_in_cents) VALUES (?,?,?)', [product_id, vendor_id, price_in_cents]);
+
+        // If there are more / less than 1 affected rows, return false
+        return res.affectedRows === 1;
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+};

Backend/src/models/products/products.router.ts

@@ -27,7 +27,7 @@ productsRouter.get('/', async (req: Request, res: Response) => {
         res.status(200).send(products);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -46,7 +46,7 @@ productsRouter.get('/:id', async (req: Request, res: Response) => {
         res.status(200).send(product);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -65,7 +65,7 @@ productsRouter.get('/search/:term', async (req: Request, res: Response) => {
         res.status(200).send(products);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -84,6 +84,25 @@ productsRouter.get('/list/:ids', async (req: Request, res: Response) => {
         res.status(200).send(products);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// GET products/vendor/:id
+productsRouter.get('/vendor/:id', async (req: Request, res: Response) => {
+    const id: number = parseInt(req.params.id, 10);
+
+    if (!id) {
+        res.status(400).send('Missing parameters.');
+        return;
+    }
+
+    try {
+        const products: Products = await ProductService.findByVendor(id);
+
+        res.status(200).send(products);
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });

Backend/src/models/products/products.service.ts

@@ -159,3 +159,41 @@ export const findList = async (ids: [number]): Promise<Products> => {
 
     return prodRows;
 };
+
+/**
+ * Fetches and returns the products that the given vendor has price entries for
+ * @param id The id of the vendor to fetch the products for
+ */
+export const findByVendor = async (id: number): Promise<Products> => {
+    let conn;
+    let prodRows = [];
+    try {
+        conn = await pool.getConnection();
+
+        // Get the relevant product ids
+        let relevant_prod_ids = [];
+        const relevantProds = await conn.query('SELECT product_id FROM prices WHERE vendor_id = ? GROUP BY product_id', id);
+        for (let row in relevantProds) {
+            if (row !== 'meta') {
+                relevant_prod_ids.push(relevantProds[row].product_id);
+            }
+        }
+
+        // Fetch products
+        const rows = await conn.query('SELECT product_id, name, asin, is_active, short_description, long_description, image_guid, date_added, last_modified, manufacturer_id, selling_rank, category_id FROM products WHERE product_id IN (?)', [relevant_prod_ids]);
+        for (let row in rows) {
+            if (row !== 'meta') {
+                prodRows.push(rows[row]);
+            }
+        }
+
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return prodRows;
+};

Backend/src/models/users/users.router.ts

@@ -47,10 +47,13 @@ usersRouter.post('/register', async (req: Request, res: Response) => {
         const session: Session = await UserService.createUser(username, password, email, ip);
 
         // Send the session details back to the user
-        res.status(201).send(session);
+        res.cookie('betterauth', JSON.stringify({
+            id: session.session_id,
+            key: session.session_key
+        }), {expires: new Date(Date.now() + 1000 * 60 * 60 * 24 * 30)}).sendStatus(201);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
@@ -70,39 +73,34 @@ usersRouter.post('/login', async (req: Request, res: Response) => {
         // Update the user entry and create a session
         const session: Session = await UserService.login(username, password, ip);
 
-        if(!session.session_id) {
+        if (!session.session_id) {
             // Error logging in, probably wrong username / password
-            res.status(401).send(JSON.stringify({messages: ["Wrong username and / or password"], codes: [1, 4]}));
+            res.status(401).send(JSON.stringify({messages: ['Wrong username and / or password'], codes: [1, 4]}));
             return;
         }
 
         // Send the session details back to the user
-        res.status(201).send(session);
+        res.cookie('betterauth', JSON.stringify({
+            id: session.session_id,
+            key: session.session_key
+        }), {expires: new Date(Date.now() + 1000 * 60 * 60 * 24 * 30)}).sendStatus(200);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
 // POST users/checkSessionValid
 usersRouter.post('/checkSessionValid', async (req: Request, res: Response) => {
     try {
-        const sessionId: string = req.body.sessionId;
-        const sessionKey: string = req.body.sessionKey;
         const ip: string = req.connection.remoteAddress ?? '';
 
-        if (!sessionId || !sessionKey) {
-            // Missing
-            res.status(400).send(JSON.stringify({message: 'Missing parameters'}));
-            return;
-        }
-
         // Update the user entry and create a session
-        const user: User = await UserService.checkSession(sessionId, sessionKey, ip);
+        const user: User = await UserService.checkSessionWithCookie(req.cookies.betterauth, ip);
 
-        if(!user.user_id) {
+        if (!user.user_id) {
             // Error logging in, probably wrong username / password
-            res.status(401).send(JSON.stringify({messages: ["Invalid session"], codes: [5]}));
+            res.status(401).send(JSON.stringify({messages: ['Invalid session'], codes: [5]}));
             return;
         }
 
@@ -110,6 +108,6 @@ usersRouter.post('/checkSessionValid', async (req: Request, res: Response) => {
         res.status(201).send(user);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });

Backend/src/models/users/users.service.ts

@@ -68,7 +68,7 @@ export const createUser = async (username: string, password: string, email: stri
         return {
             session_id: sessionId,
             session_key: sessionKey,
-            session_key_hash: '',
+            session_key_hash: 'HIDDEN',
             last_IP: ip
         };
 
@@ -135,7 +135,7 @@ export const login = async (username: string, password: string, ip: string): Pro
         return {
             session_id: sessionId,
             session_key: sessionKey,
-            session_key_hash: '',
+            session_key_hash: 'HIDDEN',
             last_IP: ip
         };
 
@@ -179,7 +179,7 @@ export const checkSession = async (sessionId: string, sessionKey: string, ip: st
         // Key is valid, continue
 
         // Check if the session is still valid
-        if(validUntil <= new Date()) {
+        if (validUntil <= new Date()) {
             // Session expired, return invalid
             return {} as User;
         }
@@ -193,7 +193,7 @@ export const checkSession = async (sessionId: string, sessionKey: string, ip: st
         await conn.commit();
 
         // Get the other required user information and update the user
-        const userQuery = "SELECT user_id, username, email, registration_date, last_login_date FROM users WHERE user_id = ?";
+        const userQuery = 'SELECT user_id, username, email, registration_date, last_login_date FROM users WHERE user_id = ?';
         const userRows = await conn.query(userQuery, userId);
         let username = '';
         let email = '';
@@ -213,7 +213,7 @@ export const checkSession = async (sessionId: string, sessionKey: string, ip: st
             user_id: userId,
             username: username,
             email: email,
-            password_hash: '',
+            password_hash: 'HIDDEN',
             registration_date: registrationDate,
             last_login_date: lastLoginDate
         };
@@ -229,6 +229,20 @@ export const checkSession = async (sessionId: string, sessionKey: string, ip: st
     return {} as User;
 };
 
+/**
+ * Calls the checkSession method after extracting the required information from the authentication cookie
+ * @param cookie The betterauth cookie
+ * @param ip The users IP address
+ */
+export const checkSessionWithCookie = async (cookie: any, ip: string): Promise<User> => {
+    const parsedCookie = JSON.parse(cookie);
+    const session_id = parsedCookie.id;
+    const session_key = parsedCookie.key;
+
+
+    return checkSession(session_id, session_key, '');
+};
+
 /**
  * Used in the checkUsernameAndEmail method as return value
  */

Backend/src/models/vendors/vendors.router.ts

@@ -6,6 +6,7 @@ import express, {Request, Response} from 'express';
 import * as VendorService from './vendors.service';
 import {Vendor} from './vendor.interface';
 import {Vendors} from './vendors.interface';
+import * as UserService from '../users/users.service';
 
 
 /**
@@ -19,7 +20,7 @@ export const vendorsRouter = express.Router();
  * Controller Definitions
  */
 
-// GET items/
+// GET vendors/
 vendorsRouter.get('/', async (req: Request, res: Response) => {
     try {
         const vendors: Vendors = await VendorService.findAll();
@@ -27,11 +28,27 @@ vendorsRouter.get('/', async (req: Request, res: Response) => {
         res.status(200).send(vendors);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
-// GET items/:id
+// GET vendors/managed
+vendorsRouter.get('/managed', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        const vendors = await VendorService.getManagedShops(user.user_id);
+
+        res.status(200).send(vendors);
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// GET vendors/:id
 vendorsRouter.get('/:id', async (req: Request, res: Response) => {
     const id: number = parseInt(req.params.id, 10);
 
@@ -46,11 +63,11 @@ vendorsRouter.get('/:id', async (req: Request, res: Response) => {
         res.status(200).send(vendor);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });
 
-// GET items/:name
+// GET vendors/search/:term
 vendorsRouter.get('/search/:term', async (req: Request, res: Response) => {
     const term: string = req.params.term;
 
@@ -65,6 +82,76 @@ vendorsRouter.get('/search/:term', async (req: Request, res: Response) => {
         res.status(200).send(vendors);
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
-        res.status(500).send(JSON.stringify({"message": "Internal Server Error. Try again later."}));
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// PUT /manage/deactivatelisting
+vendorsRouter.put('/manage/deactivatelisting', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get required parameters
+        const vendor_id = req.body.vendor_id;
+        const product_id = req.body.product_id;
+
+        const success = await VendorService.deactivateListing(user.user_id, vendor_id, product_id);
+
+        if (success) {
+            res.sendStatus(200);
+        } else {
+            res.sendStatus(500);
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// PUT /manage/shop/deactivate/:id
+vendorsRouter.put('/manage/shop/deactivate/:id', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get required parameters
+        const vendor_id = parseInt(req.params.id, 10);
+
+        const success = await VendorService.setShopStatus(user.user_id, vendor_id, false);
+
+        if (success) {
+            res.sendStatus(200);
+        } else {
+            res.sendStatus(500);
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+    }
+});
+
+// PUT /manage/shop/activate/:id
+vendorsRouter.put('/manage/shop/activate/:id', async (req: Request, res: Response) => {
+    try {
+        // Authenticate user
+        const user_ip = req.connection.remoteAddress ?? '';
+        const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
+
+        // Get required parameters
+        const vendor_id = parseInt(req.params.id, 10);
+
+        const success = await VendorService.setShopStatus(user.user_id, vendor_id, true);
+
+        if (success) {
+            res.sendStatus(200);
+        } else {
+            res.sendStatus(500);
+        }
+    } catch (e) {
+        console.log('Error handling a request: ' + e.message);
+        res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
     }
 });

Backend/src/models/vendors/vendors.service.ts

@@ -17,6 +17,7 @@ const pool = mariadb.createPool({
 
 import {Vendor} from './vendor.interface';
 import {Vendors} from './vendors.interface';
+import {User} from '../users/user.interface';
 
 
 /**
@@ -31,7 +32,7 @@ export const findAll = async (): Promise<Vendors> => {
     let vendorRows = [];
     try {
         conn = await pool.getConnection();
-        const rows = await conn.query('SELECT vendor_id, name, streetname, zip_code, city, country_code, phone, website FROM vendors');
+        const rows = await conn.query('SELECT vendor_id, name, streetname, zip_code, city, country_code, phone, website FROM vendors WHERE isActive = true');
         for (let row in rows) {
             if (row !== 'meta') {
                 let vendor: Vendor = {
@@ -78,7 +79,7 @@ export const find = async (id: number): Promise<Vendor> => {
     let vendor: any;
     try {
         conn = await pool.getConnection();
-        const rows = await conn.query('SELECT vendor_id, name, streetname, zip_code, city, country_code, phone, website FROM vendors WHERE vendor_id = ?', id);
+        const rows = await conn.query('SELECT vendor_id, name, streetname, zip_code, city, country_code, phone, website FROM vendors WHERE vendor_id = ? AND isActive = true', id);
         for (let row in rows) {
             if (row !== 'meta') {
                 vendor = rows[row];
@@ -106,7 +107,7 @@ export const findBySearchTerm = async (term: string): Promise<Vendors> => {
     try {
         conn = await pool.getConnection();
         term = '%' + term + '%';
-        const rows = await conn.query('SELECT vendor_id, name, streetname, zip_code, city, country_code, phone, website FROM vendors WHERE name LIKE ?', term);
+        const rows = await conn.query('SELECT vendor_id, name, streetname, zip_code, city, country_code, phone, website FROM vendors WHERE name LIKE ? AND isActive = true', term);
         for (let row in rows) {
             if (row !== 'meta') {
                 vendorRows.push(rows[row]);
@@ -123,3 +124,93 @@ export const findBySearchTerm = async (term: string): Promise<Vendors> => {
 
     return vendorRows;
 };
+
+/**
+ * Get all vendors that have the given user as admin
+ * @param user The user to return the managed shops for
+ */
+export const getManagedShops = async (user_id: number): Promise<Vendors> => {
+    let conn;
+    let vendorRows = [];
+    try {
+        conn = await pool.getConnection();
+        const rows = await conn.query('SELECT vendor_id, name, streetname, zip_code, city, country_code, phone, website FROM vendors WHERE admin_id LIKE ?', user_id);
+        for (let row in rows) {
+            if (row !== 'meta') {
+                vendorRows.push(rows[row]);
+            }
+        }
+
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return vendorRows;
+};
+
+/**
+ * Deactivates a product listing for a specific vendor
+ * @param user_id The user id of the issuing user
+ * @param vendor_id The vendor id of the vendor to deactivate the listing for
+ * @param product_id The product id of the product to deactivate the listing for
+ */
+export const deactivateListing = async (user_id: number, vendor_id: number, product_id: number): Promise<Boolean> => {
+    let conn;
+    try {
+        conn = await pool.getConnection();
+
+        // Check if the user is authorized to manage the requested vendor
+        const user_vendor_rows = await conn.query('SELECT vendor_id FROM vendors WHERE vendor_id = ? AND admin_id = ?', [vendor_id, user_id]);
+        if (user_vendor_rows.length !== 1) {
+            return false;
+        }
+
+        const status = await conn.query('UPDATE prices SET active_listing = false WHERE vendor_id = ? and product_id = ?', [vendor_id, product_id]);
+
+        return status.affectedRows > 0;
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return false;
+};
+
+/**
+ * Set the specified shop to either active or not active
+ * @param user_id The user id of the issuing user
+ * @param vendor_id The vendor id of the shop to update
+ * @param isActive The new active state
+ */
+export const setShopStatus = async (user_id: number, vendor_id: number, isActive: boolean): Promise<Boolean> => {
+    let conn;
+    try {
+        conn = await pool.getConnection();
+
+        // Check if the user is authorized to manage the requested vendor
+        const user_vendor_rows = await conn.query('SELECT vendor_id FROM vendors WHERE vendor_id = ? AND admin_id = ?', [vendor_id, user_id]);
+        if (user_vendor_rows.length !== 1) {
+            return false;
+        }
+
+        // Update the vendor state
+        const status = await conn.query('UPDATE vendors SET isActive = ? WHERE vendor_id = ?', [isActive, vendor_id]);
+
+        return status.affectedRows > 0;
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return false;
+};

Backend/webpack.config.ts

@@ -1,32 +1,32 @@
-const webpack = require("webpack");
+const webpack = require('webpack');
-const path = require("path");
+const path = require('path');
-const nodeExternals = require("webpack-node-externals");
+const nodeExternals = require('webpack-node-externals');
 
 module.exports = {
-    entry: ["webpack/hot/poll?100", "./src/index.ts"],
+    entry: ['webpack/hot/poll?100', './src/index.ts'],
     watch: false,
-    target: "node",
+    target: 'node',
     externals: [
         nodeExternals({
-            whitelist: ["webpack/hot/poll?100"]
+            whitelist: ['webpack/hot/poll?100']
         })
     ],
     module: {
         rules: [
             {
                 test: /.tsx?$/,
-                use: "ts-loader",
+                use: 'ts-loader',
                 exclude: /node_modules/
             }
         ]
     },
-    mode: "development",
+    mode: 'development',
     resolve: {
-        extensions: [".tsx", ".ts", ".js"]
+        extensions: ['.tsx', '.ts', '.js']
     },
     plugins: [new webpack.HotModuleReplacementPlugin()],
     output: {
-        path: path.join(__dirname, "dist"),
+        path: path.join(__dirname, 'dist'),
-        filename: "index.js"
+        filename: 'index.js'
     }
 };

Crawler/Crawler.iml

@@ -2,13 +2,12 @@
 <module type="WEB_MODULE" version="4">
   <component name="FacetManager">
     <facet type="Python" name="Python">
-      <configuration sdkName="Python 3.9" />
+      <configuration sdkName="Python 3.9 (venv)" />
     </facet>
   </component>
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="Python 3.9 interpreter library" level="application" />
   </component>
 </module>

Crawler/api.py

@@ -1,13 +1,17 @@
+import os
+
 from flask import Flask
 from flask_restful import Resource, Api, reqparse
 
+import crawler
+
 app = Flask(__name__)
 api = Api(app)
 
 # To parse request data
 parser = reqparse.RequestParser()
-parser.add_argument('key')
+parser.add_argument('key', type=str)
-parser.add_argument('products')
+parser.add_argument('products', type=int, action='append')
 
 
 class CrawlerApi(Resource):
@@ -17,7 +21,12 @@ class CrawlerApi(Resource):
     def post(self):
         # Accept crawler request here
         args = parser.parse_args()
-        return args
+        access_key = os.getenv('CRAWLER_ACCESS_KEY')
+        if(args['key'] == access_key):
+            crawler.crawl(args['products'])
+            return {'message': 'success'}
+        else:
+            return {'message': 'Wrong access key'}
 
 
 api.add_resource(CrawlerApi, '/')

Crawler/crawler.py

@@ -1,78 +1,107 @@
-import sql
+import sql
-
+import requests
-
+from bs4 import BeautifulSoup
-def crawl(product_ids: [int]) -> dict:
+
-    """
+HEADERS = ({'User-Agent':
-    Crawls the given list of products and saves the results to sql
+                'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 '
-    :param products: The list of product IDs to fetch
+                'Safari/537.36'})
-    :return: A dict with the following fields:
+
-                total_crawls: number of total crawl tries (products * vendors per product)
+
-                successful_crawls: number of successful products
+def crawl(product_ids: [int]) -> dict:
-                products_with_problems: list of products that have not been crawled successfully
+    """
-    """
+    Crawls the given list of products and saves the results to sql
-    total_crawls = 0
+    :param products: The list of product IDs to fetch
-    successful_crawls = 0
+    :return: A dict with the following fields:
-    products_with_problems = []
+                total_crawls: number of total crawl tries (products * vendors per product)
-
+                successful_crawls: number of successful products
-    # Iterate over every product that has to be crawled
+                products_with_problems: list of products that have not been crawled successfully
-    for product_id in product_ids:
+    """
-        # Get all links for this product
+    total_crawls = 0
-        product_links = sql.getProductLinksForProduct(product_id)
+    successful_crawls = 0
-
+    products_with_problems = []
-        crawled_data = []
+
-
+    # Iterate over every product that has to be crawled
-        # Iterate over every link / vendor
+    for product_id in product_ids:
-        for product_vendor_info in product_links:
+        # Get all links for this product
-            total_crawls += 1
+        product_links = sql.getProductLinksForProduct(product_id)
-
+
-            # Call the appropriate vendor crawling function and append the result to the list of crawled data
+        crawled_data = []
-            if product_vendor_info['vendor_id'] == 1:
+
-                # Amazon
+        # Iterate over every link / vendor
-                crawled_data.append(__crawl_amazon__(product_vendor_info))
+        for product_vendor_info in product_links:
-            elif product_vendor_info['vendor_id'] == 2:
+            total_crawls += 1
-                # Apple
+
-                crawled_data.append(__crawl_apple__(product_vendor_info))
+            # Call the appropriate vendor crawling function and append the result to the list of crawled data
-            elif product_vendor_info['vendor_id'] == 3:
+            if product_vendor_info['vendor_id'] == 1:
-                # Media Markt
+                # Amazon
-                crawled_data.append(__crawl_mediamarkt__(product_vendor_info))
+                data = __crawl_amazon__(product_vendor_info)
-            else:
+                if data:
-                products_with_problems.append(product_vendor_info)
+                    crawled_data.append(data)
-                continue
+            elif product_vendor_info['vendor_id'] == 2:
-
+                # Apple
-            successful_crawls += 1
+                data = __crawl_apple__(product_vendor_info)
-
+                if data:
-        # Insert data to SQL
+                    crawled_data.append(data)
-        sql.insertData(crawled_data)
+            elif product_vendor_info['vendor_id'] == 3:
-
+                # Media Markt
-    return {
+                data = __crawl_mediamarkt__(product_vendor_info)
-        'total_crawls': total_crawls,
+                if data:
-        'successful_crawls': successful_crawls,
+                    crawled_data.append(data)
-        'products_with_problems': products_with_problems
+            else:
-    }
+                products_with_problems.append(product_vendor_info)
-
+                continue
-
+
-def __crawl_amazon__(product_info: dict) -> tuple:
+            successful_crawls += 1
-    """
+
-    Crawls the price for the given product from amazon
+        # Insert data to SQL
-    :param product_info: A dict with product info containing product_id, vendor_id, url
+        sql.insertData(crawled_data)
-    :return: A tuple with the crawled data, containing (product_id, vendor_id, price_in_cents)
+
-    """
+    return {
-    return (product_info['product_id'], product_info['vendor_id'], 123)
+        'total_crawls': total_crawls,
-
+        'successful_crawls': successful_crawls,
-
+        'products_with_problems': products_with_problems
-def __crawl_apple__(product_info: dict) -> tuple:
+    }
-    """
+
-    Crawls the price for the given product from apple
+
-    :param product_info: A dict with product info containing product_id, vendor_id, url
+def __crawl_amazon__(product_info: dict) -> tuple:
-    :return: A tuple with the crawled data, containing (product_id, vendor_id, price_in_cents)
+    """
-    """
+    Crawls the price for the given product from amazon
-    return (product_info['product_id'], product_info['vendor_id'], 123)
+    :param product_info: A dict with product info containing product_id, vendor_id, url
-
+    :return: A tuple with the crawled data, containing (product_id, vendor_id, price_in_cents)
-
+    """
-def __crawl_mediamarkt__(product_info: dict) -> tuple:
+    page = requests.get(product_info['url'], headers=HEADERS)
-    """
+    soup = BeautifulSoup(page.content, features="lxml")
-    Crawls the price for the given product from media markt
+    try:
-    :param product_info: A dict with product info containing product_id, vendor_id, url
+        price = int(
-    :return: A tuple with the crawled data, containing (product_id, vendor_id, price_in_cents)
+            soup.find(id='priceblock_ourprice').get_text().replace(".", "").replace(",", "").replace("€", "").strip())
-    """
+        if not price:
-    pass
+            price = int(soup.find(id='price_inside_buybox').get_text().replace(".", "").replace(",", "").replace("€", "").strip())
+
+    except RuntimeError:
+        price = -1
+    except AttributeError:
+        price = -1
+
+    if price != -1:
+        return (product_info['product_id'], product_info['vendor_id'], price)
+    else:
+        return None
+
+
+def __crawl_apple__(product_info: dict) -> tuple:
+    """
+    Crawls the price for the given product from apple
+    :param product_info: A dict with product info containing product_id, vendor_id, url
+    :return: A tuple with the crawled data, containing (product_id, vendor_id, price_in_cents)
+    """
+    # return (product_info['product_id'], product_info['vendor_id'], 123)
+    pass
+
+
+def __crawl_mediamarkt__(product_info: dict) -> tuple:
+    """
+    Crawls the price for the given product from media markt
+    :param product_info: A dict with product info containing product_id, vendor_id, url
+    :return: A tuple with the crawled data, containing (product_id, vendor_id, price_in_cents)
+    """
+    pass

Crawler/crawler/spiders/amazon.py

@@ -1,66 +0,0 @@
-# -*- coding: utf-8 -*-
-import scrapy
-from urllib.parse import urlencode
-from urllib.parse import urljoin
-import re
-import json
-
-queries = ['iphone']
-API = ''
-
-
-def get_url(url):
-    payload = {'api_key': API, 'url': url, 'country_code': 'us'}
-    proxy_url = 'http://api.scraperapi.com/?' + urlencode(payload)
-    return proxy_url
-
-
-class AmazonSpider(scrapy.Spider):
-    name = 'amazon'
-
-    def start_requests(self):
-        for query in queries:
-            url = 'https://www.amazon.de/s?' + urlencode({'k': query})
-            yield scrapy.Request(url=url, callback=self.parse_keyword_response)
-
-    def parse_keyword_response(self, response):
-        products = response.xpath('//*[@data-asin]')
-
-        for product in products:
-            asin = product.xpath('@data-asin').extract_first()
-            product_url = f"https://www.amazon.de/dp/{asin}"
-            yield scrapy.Request(url=product_url, callback=self.parse_product_page, meta={'asin': asin})
-
-        next_page = response.xpath('//li[@class="a-last"]/a/@href').extract_first()
-        if next_page:
-            url = urljoin("https://www.amazon.de", next_page)
-            yield scrapy.Request(url=url, callback=self.parse_keyword_response)
-
-    def parse_product_page(self, response):
-        asin = response.meta['asin']
-        title = response.xpath('//*[@id="productTitle"]/text()').extract_first()
-        image = re.search('"large":"(.*?)"', response.text).groups()[0]
-        rating = response.xpath('//*[@id="acrPopover"]/@title').extract_first()
-        number_of_reviews = response.xpath('//*[@id="acrCustomerReviewText"]/text()').extract_first()
-        price = response.xpath('//*[@id="priceblock_ourprice"]/text()').extract_first()
-
-        if not price:
-            price = response.xpath('//*[@data-asin-price]/@data-asin-price').extract_first() or \
-                    response.xpath('//*[@id="price_inside_buybox"]/text()').extract_first()
-
-        temp = response.xpath('//*[@id="twister"]')
-        sizes = []
-        colors = []
-        if temp:
-            s = re.search('"variationValues" : ({.*})', response.text).groups()[0]
-            json_acceptable = s.replace("'", "\"")
-            di = json.loads(json_acceptable)
-            sizes = di.get('size_name', [])
-            colors = di.get('color_name', [])
-
-        bullet_points = response.xpath('//*[@id="feature-bullets"]//li/span/text()').extract()
-        seller_rank = response.xpath(
-            '//*[text()="Amazon Best Sellers Rank:"]/parent::*//text()[not(parent::style)]').extract()
-        yield {'asin': asin, 'Title': title, 'MainImage': image, 'Rating': rating, 'NumberOfReviews': number_of_reviews,
-               'Price': price, 'AvailableSizes': sizes, 'AvailableColors': colors, 'BulletPoints': bullet_points,
-               'SellerRank': seller_rank}

Crawler/requirements.txt

@@ -1,5 +1,7 @@
 pymysql
-flask
+flask==1.1.2
 flask-sqlalchemy
 flask_restful
-scrapy
+beautifulsoup4
+requests
+lxml

Crawler/sql.py

@@ -54,7 +54,6 @@ def getProductLinksForProduct(product_id: int) -> [dict]:
     cur = conn.cursor()
 
     query = 'SELECT vendor_id, url FROM product_links WHERE product_id = %s'
-
     cur.execute(query, (product_id,))
 
     products = list(map(lambda x: {'product_id': product_id, 'vendor_id': x[0], 'url': x[1]}, cur.fetchall()))

Crawler/unused/scrapy/amazonspider.py

@@ -0,0 +1,33 @@
+import scrapy
+from scrapy.crawler import CrawlerProcess
+import re
+
+class AmazonSpider(scrapy.Spider):
+    name = 'amazon'
+    allowed_domains = ['amazon.de']
+    start_urls = ['https://amazon.de/dp/B083DRCPJG']
+
+    # def __init__(self, start_urls):
+    #   self.start_urls = start_urls
+
+    def parse(self, response):
+        price = response.xpath('//*[@id="priceblock_ourprice"]/text()').extract_first()
+        if not price:
+            price = response.xpath('//*[@data-asin-price]/@data-asin-price').extract_first() or \
+                    response.xpath('//*[@id="price_inside_buybox"]/text()').extract_first()
+
+        euros = re.match('(\d*),\d\d', price).group(1)
+        cents = re.match('\d*,(\d\d)', price).group(1)
+        priceincents = euros + cents
+
+        yield {'price': priceincents}
+
+
+def start_crawling():
+    process = CrawlerProcess(
+        settings={'COOKIES_ENABLED': 'False', 'CONCURRENT_REQUESTS_PER_IP': 1, 'ROBOTSTXT_OBEY': False,
+                  'USER_AGENT': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36',
+                  'DOWNLOAD_DELAY': 3}
+        , install_root_handler=False)
+    process.crawl()
+    process.start()

Crawler/unused/scrapy/scrapy.cfg

@@ -8,4 +8,4 @@ default = crawler.settings
 
 [deploy]
 #url = http://localhost:6800/
-project = crawler
+project = crawler

Crawler/unused/scrapy/spiders/amazon.py

@@ -0,0 +1,25 @@
+import scrapy
+import re
+
+class AmazonSpider(scrapy.Spider):
+    name = 'amazon'
+    allowed_domains = ['amazon.de']
+    start_urls = ['https://amazon.de/dp/B083DRCPJG']
+
+    def parse(self, response):
+        price = response.xpath('//*[@id="priceblock_ourprice"]/text()').extract_first()
+        if not price:
+            price = response.xpath('//*[@data-asin-price]/@data-asin-price').extract_first() or \
+                    response.xpath('//*[@id="price_inside_buybox"]/text()').extract_first()
+
+        euros = re.match('(\d*),\d\d', price).group(1)
+        cents = re.match('\d*,(\d\d)', price).group(1)
+        priceincents = euros + cents
+
+        yield {'price': priceincents}
+
+
+
+
+
+

CucumberTests/CucumberTests.iml

@@ -10,17 +10,24 @@
       <sourceFolder url="file://$MODULE_DIR$/src/test/resource" type="java-resource" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
-    <orderEntry type="inheritedJdk" />
+    <orderEntry type="jdk" jdkName="openjdk-16" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" scope="TEST" name="Maven: io.cucumber:cucumber-java:2.3.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: io.cucumber:cucumber-core:2.3.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: info.cukes:cucumber-html:0.2.6" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: io.cucumber:cucumber-jvm-deps:1.0.6" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: io.cucumber:gherkin:5.0.0" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: io.cucumber:tag-expressions:1.1.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: io.cucumber:cucumber-junit:2.3.1" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:cucumber-java:6.10.3" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:cucumber-core:6.10.3" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:cucumber-gherkin:6.10.3" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:cucumber-gherkin-messages:6.10.3" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:messages:15.0.0" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:tag-expressions:3.0.1" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:cucumber-expressions:10.3.0" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:datatable:3.5.0" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:cucumber-plugin:6.10.3" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:docstring:6.10.3" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:html-formatter:13.0.0" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:create-meta:4.0.0" level="project" />
+    <orderEntry type="library" name="Maven: org.apiguardian:apiguardian-api:1.1.1" level="project" />
+    <orderEntry type="library" name="Maven: io.cucumber:cucumber-junit:6.10.3" level="project" />
     <orderEntry type="library" name="Maven: org.apache.maven.plugins:maven-compiler-plugin:3.8.1" level="project" />
     <orderEntry type="library" name="Maven: org.apache.maven:maven-plugin-api:3.0" level="project" />
     <orderEntry type="library" name="Maven: org.apache.maven:maven-model:3.0" level="project" />
@@ -53,5 +60,25 @@
     <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-compiler-api:2.8.4" level="project" />
     <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-compiler-manager:2.8.4" level="project" />
     <orderEntry type="library" scope="RUNTIME" name="Maven: org.codehaus.plexus:plexus-compiler-javac:2.8.4" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-java:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-api:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-chrome-driver:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-edge-driver:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-firefox-driver:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-ie-driver:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-opera-driver:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-remote-driver:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-safari-driver:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: org.seleniumhq.selenium:selenium-support:3.141.59" level="project" />
+    <orderEntry type="library" name="Maven: net.bytebuddy:byte-buddy:1.8.15" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.commons:commons-exec:1.3" level="project" />
+    <orderEntry type="library" name="Maven: com.google.guava:guava:25.0-jre" level="project" />
+    <orderEntry type="library" name="Maven: com.google.code.findbugs:jsr305:1.3.9" level="project" />
+    <orderEntry type="library" name="Maven: org.checkerframework:checker-compat-qual:2.0.0" level="project" />
+    <orderEntry type="library" name="Maven: com.google.errorprone:error_prone_annotations:2.1.3" level="project" />
+    <orderEntry type="library" name="Maven: com.google.j2objc:j2objc-annotations:1.1" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.mojo:animal-sniffer-annotations:1.14" level="project" />
+    <orderEntry type="library" name="Maven: com.squareup.okhttp3:okhttp:3.11.0" level="project" />
+    <orderEntry type="library" name="Maven: com.squareup.okio:okio:1.14.0" level="project" />
   </component>
 </module>

CucumberTests/pom.xml

@@ -4,7 +4,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>de.taskhub</groupId>
+    <groupId>xyz.betterzon</groupId>
     <artifactId>CucumberTests</artifactId>
     <version>1.0-SNAPSHOT</version>
     <properties>
@@ -13,21 +13,30 @@
     </properties>
     <dependencies>
         <dependency>
-            <groupId>io.cucumber</groupId>
+            <groupId>junit</groupId>
-            <artifactId>cucumber-java</artifactId>
+            <artifactId>junit</artifactId>
-            <version>2.3.1</version>
+            <version>4.12</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>io.cucumber</groupId>
+            <artifactId>cucumber-java</artifactId>
+            <version>6.10.3</version>
+        </dependency>
         <dependency>
             <groupId>io.cucumber</groupId>
             <artifactId>cucumber-junit</artifactId>
-            <version>2.3.1</version>
+            <version>6.10.3</version>
-            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-compiler-plugin</artifactId>
             <version>3.8.1</version>
         </dependency>
+        <dependency>
+            <groupId>org.seleniumhq.selenium</groupId>
+            <artifactId>selenium-java</artifactId>
+            <version>3.141.59</version>
+        </dependency>
     </dependencies>
-</project>
+</project>

CucumberTests/src/test/java/RunTest.java

@@ -1,6 +1,10 @@
-import cucumber.api.CucumberOptions;
+import io.cucumber.junit.Cucumber;
-import cucumber.api.junit.Cucumber;
+import io.cucumber.junit.CucumberOptions;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
 import org.junit.runner.RunWith;
+import org.openqa.selenium.firefox.FirefoxDriver;
+import stepdefs.Preconditions;
 
 @RunWith(Cucumber.class)
 @CucumberOptions(
@@ -9,4 +13,13 @@ import org.junit.runner.RunWith;
 )
 
 public class RunTest {
+    @BeforeClass
+    public static void setup() {
+        Preconditions.driver= new FirefoxDriver();
+    }
+
+    @AfterClass
+    public static void teardown() {
+        Preconditions.driver.close();
+    }
 }

CucumberTests/src/test/java/stepdefs/Preconditions.java

@@ -0,0 +1,7 @@
+package stepdefs;
+
+import org.openqa.selenium.WebDriver;
+
+public class Preconditions {
+    public static WebDriver driver;
+}

CucumberTests/src/test/java/stepdefs/PriceAlarm.java

@@ -1,67 +1,68 @@
 package stepdefs;
 
-import cucumber.api.java.en.Given;
+import io.cucumber.java.PendingException;
-import cucumber.api.java.en.Then;
+import io.cucumber.java.en.Given;
-import cucumber.api.java.en.When;
+import io.cucumber.java.en.Then;
+import io.cucumber.java.en.When;
 
 public class PriceAlarm {
-  @Given("^the user has at least (\\d+) price alarm set$")
+    @Given("^the user has at least (\\d+) price alarm set$")
-  public void the_user_has_at_least_price_alarm_set(int arg1) throws Exception {
+    public void the_user_has_at_least_price_alarm_set(int arg1) throws Exception {
-  }
+    }
 
-  @When("^the user clicks on the profile icon$")
+    @When("^the user clicks on the profile icon$")
-  public void the_user_clicks_on_the_profile_icon() throws Exception {
+    public void the_user_clicks_on_the_profile_icon() throws Exception {
-  }
+    }
 
-  @Then("^the profile details popup should open$")
+    @Then("^the profile details popup should open$")
-  public void the_profile_details_popup_should_open() throws Exception {
+    public void the_profile_details_popup_should_open() throws Exception {
-  }
+    }
 
-  @When("^the user clicks on price alarms$")
+    @When("^the user clicks on price alarms$")
-  public void the_user_clicks_on_price_alarms() throws Exception {
+    public void the_user_clicks_on_price_alarms() throws Exception {
-  }
+    }
 
-  @Then("^the price alarm list should open$")
+    @Then("^the price alarm list should open$")
-  public void the_price_alarm_list_should_open() throws Exception {
+    public void the_price_alarm_list_should_open() throws Exception {
-  }
+    }
 
-  @Then("^the price alarm list should contain at least (\\d+) entry$")
+    @Then("^the price alarm list should contain at least (\\d+) entry$")
-  public void the_price_alarm_list_should_contain_at_least_entry(int arg1) throws Exception {
+    public void the_price_alarm_list_should_contain_at_least_entry(int arg1) throws Exception {
-  }
+    }
 
-  @Then("^the price alarm list should contain a maximum of (\\d+) entries per page$")
+    @Then("^the price alarm list should contain a maximum of (\\d+) entries per page$")
-  public void the_price_alarm_list_should_contain_a_maximum_of_entries_per_page(int arg1) throws Exception {
+    public void the_price_alarm_list_should_contain_a_maximum_of_entries_per_page(int arg1) throws Exception {
-  }
+    }
 
-  @Given("^the user is on the price alarm list page$")
+    @Given("^the user is on the price alarm list page$")
-  public void the_user_is_on_the_price_alarm_list_page() throws Exception {
+    public void the_user_is_on_the_price_alarm_list_page() throws Exception {
-  }
+    }
 
-  @When("^the user clicks on the \"([^\"]*)\" button next to a price alarm$")
+    @When("^the user clicks on the \"([^\"]*)\" button next to a price alarm$")
-  public void the_user_clicks_on_the_button_next_to_a_price_alarm(String arg1) throws Exception {
+    public void the_user_clicks_on_the_button_next_to_a_price_alarm(String arg1) throws Exception {
-  }
+    }
 
-  @Then("^a popup should open asking the user to confirm the removal$")
+    @Then("^a popup should open asking the user to confirm the removal$")
-  public void a_popup_should_open_asking_the_user_to_confirm_the_removal() throws Exception {
+    public void a_popup_should_open_asking_the_user_to_confirm_the_removal() throws Exception {
-  }
+    }
 
-  @When("^the user confirms the removal of the price alarm$")
+    @When("^the user confirms the removal of the price alarm$")
-  public void the_user_confirms_the_removal_of_the_price_alarm() throws Exception {
+    public void the_user_confirms_the_removal_of_the_price_alarm() throws Exception {
-  }
+    }
 
-  @Then("^the price alarm should be removed from the database$")
+    @Then("^the price alarm should be removed from the database$")
-  public void the_price_alarm_should_be_removed_from_the_database() throws Exception {
+    public void the_price_alarm_should_be_removed_from_the_database() throws Exception {
-  }
+    }
 
-  @Then("^a popup should open where the user can edit the alarm$")
+    @Then("^a popup should open where the user can edit the alarm$")
-  public void a_popup_should_open_where_the_user_can_edit_the_alarm() throws Exception {
+    public void a_popup_should_open_where_the_user_can_edit_the_alarm() throws Exception {
-  }
+    }
 
-  @When("^the user clicks on the \"([^\"]*)\" button$")
+    @When("^the user clicks on the \"([^\"]*)\" button$")
-  public void the_user_clicks_on_the_button(String arg1) throws Exception {
+    public void the_user_clicks_on_the_button(String arg1) throws Exception {
-  }
+    }
 
-  @Then("^the price alarm should be updated in the database$")
+    @Then("^the price alarm should be updated in the database$")
-  public void the_price_alarm_should_be_updated_in_the_database() throws Exception {
+    public void the_price_alarm_should_be_updated_in_the_database() throws Exception {
-  }
+    }
 }

CucumberTests/src/test/java/stepdefs/SearchProduct.java

@@ -1,52 +1,72 @@
 package stepdefs;
 
-import cucumber.api.PendingException;
+import io.cucumber.java.PendingException;
-import cucumber.api.java.en.Given;
+import io.cucumber.java.en.Given;
-import cucumber.api.java.en.Then;
+import io.cucumber.java.en.Then;
-import cucumber.api.java.en.When;
+import io.cucumber.java.en.When;
+import org.openqa.selenium.By;
+import org.openqa.selenium.Keys;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.support.ui.ExpectedConditions;
+import org.openqa.selenium.support.ui.WebDriverWait;
 
 public class SearchProduct {
-  @Given("^the user is on the landing page$")
+    @Given("^the user is on the landing page$")
-  public void the_user_is_on_the_landing_page() throws Exception {
+    public void the_user_is_on_the_landing_page() throws Exception {
-  }
+        //throw new PendingException();
+        Preconditions.driver.get("https://betterzon.xyz");
+        WebElement logo = (new WebDriverWait(Preconditions.driver, 10))
+                .until(ExpectedConditions.elementToBeClickable(By.cssSelector(".logo")));
+    }
 
-  @When("^the user enters the search term \"([^\"]*)\" and clicks search$")
+    @When("^the user enters the search term \"([^\"]*)\" and clicks search$")
-  public void the_user_enters_the_search_term_and_clicks_search(String arg0) throws Exception {
+    public void the_user_enters_the_search_term_and_clicks_search(String searchTerm) throws Exception {
-  }
+        WebElement searchField = Preconditions.driver.findElement(By.cssSelector(".ng-untouched.ng-pristine.ng-valid"));
+        searchField.sendKeys(searchTerm);
+        searchField.sendKeys(Keys.ENTER);
+        WebElement logo = (new WebDriverWait(Preconditions.driver, 10))
+                .until(ExpectedConditions.elementToBeClickable(By.cssSelector(".logo")));
+    }
 
-  @Then("^the user should see the error page \"([^\"]*)\"$")
+    @Then("^the user should see the error page \"([^\"]*)\"$")
-  public void the_user_should_see_the_error_page(String arg0) throws Exception {
+    public void the_user_should_see_the_error_page(String arg0) throws Exception {
-  }
+        WebElement noProdsFoundMsg = (new WebDriverWait(Preconditions.driver, 10))
+                .until(ExpectedConditions.elementToBeClickable(By.cssSelector(".ng-star-inserted")));
+        assert(noProdsFoundMsg.getText().contains("No Products found!"));
+    }
 
-  @Given("^the user is not logged in$")
+    @Given("^the user is not logged in$")
-  public void the_user_is_not_logged_in() throws Exception {
+    public void the_user_is_not_logged_in() throws Exception {
-  }
+    }
 
-  @Given("^the user is logged in$")
+    @Given("^the user is logged in$")
-  public void the_user_is_logged_in() throws Exception {
+    public void the_user_is_logged_in() throws Exception {
-  }
+    }
 
-  @Then("^the user should see a list of products$")
+    @Then("^the user should see a list of products$")
-  public void the_user_should_see_a_list_of_products() throws Exception {
+    public void the_user_should_see_a_list_of_products() throws Exception {
-  }
+        WebElement product = (new WebDriverWait(Preconditions.driver, 10))
+                .until(ExpectedConditions.elementToBeClickable(By.cssSelector(".productItem.ng-star-inserted")));
+        assert(product.isDisplayed());
+    }
 
-  @When("^the user clicks on the first product$")
+    @When("^the user clicks on the first product$")
-  public void the_user_clicks_on_the_first_product() throws Exception {
+    public void the_user_clicks_on_the_first_product() throws Exception {
-  }
+    }
 
-  @Then("^the user should see the product detail page$")
+    @Then("^the user should see the product detail page$")
-  public void the_user_should_see_the_product_detail_page() throws Exception {
+    public void the_user_should_see_the_product_detail_page() throws Exception {
-  }
+    }
 
-  @Then("^the set price alarm box should show \"([^\"]*)\"$")
+    @Then("^the set price alarm box should show \"([^\"]*)\"$")
-  public void the_set_price_alarm_box_should_show(String arg0) throws Exception {
+    public void the_set_price_alarm_box_should_show(String arg0) throws Exception {
-  }
+    }
 
-  @When("^the user sets a price alarm$")
+    @When("^the user sets a price alarm$")
-  public void the_user_sets_a_price_alarm() throws Exception {
+    public void the_user_sets_a_price_alarm() throws Exception {
-  }
+    }
 
-  @Then("^the user should receive an email confirming the price alarm$")
+    @Then("^the user should receive an email confirming the price alarm$")
-  public void the_user_should_receive_an_email_confirming_the_price_alarm() throws Exception {
+    public void the_user_should_receive_an_email_confirming_the_price_alarm() throws Exception {
-  }
+    }
 }

CucumberTests/src/test/resource/priceAlarms.feature

@@ -1,28 +1,28 @@
 Feature: Price Alarms
 
-  Scenario: Show a list of price alarms
+    Scenario: Show a list of price alarms
-    Given the user is on the landing page
+        Given the user is on the landing page
-    And the user is logged in
+        And the user is logged in
-    And the user has at least 1 price alarm set
+        And the user has at least 1 price alarm set
-    When the user clicks on the profile icon
+        When the user clicks on the profile icon
-    Then the profile details popup should open
+        Then the profile details popup should open
-    When the user clicks on price alarms
+        When the user clicks on price alarms
-    Then the price alarm list should open
+        Then the price alarm list should open
-    And the price alarm list should contain at least 1 entry
+        And the price alarm list should contain at least 1 entry
-    And the price alarm list should contain a maximum of 20 entries per page
+        And the price alarm list should contain a maximum of 20 entries per page
 
-  Scenario: Remove a price alarm
+    Scenario: Remove a price alarm
-    Given the user is on the price alarm list page
+        Given the user is on the price alarm list page
-    And the user is logged in
+        And the user is logged in
-    When the user clicks on the "remove" button next to a price alarm
+        When the user clicks on the "remove" button next to a price alarm
-    Then a popup should open asking the user to confirm the removal
+        Then a popup should open asking the user to confirm the removal
-    When the user confirms the removal of the price alarm
+        When the user confirms the removal of the price alarm
-    Then the price alarm should be removed from the database
+        Then the price alarm should be removed from the database
 
-  Scenario: Edit a price alarm
+    Scenario: Edit a price alarm
-    Given the user is on the price alarm list page
+        Given the user is on the price alarm list page
-    And the user is logged in
+        And the user is logged in
-    When the user clicks on the "edit" button next to a price alarm
+        When the user clicks on the "edit" button next to a price alarm
-    Then a popup should open where the user can edit the alarm
+        Then a popup should open where the user can edit the alarm
-    When the user clicks on the "save changes" button
+        When the user clicks on the "save changes" button
-    Then the price alarm should be updated in the database
+        Then the price alarm should be updated in the database

CucumberTests/src/test/resource/searchProduct.feature

@@ -1,26 +1,26 @@
 Feature: Search a Product
 
-  Scenario: User searches for unknown product
+    Scenario: User searches for unknown product
-    Given the user is on the landing page
+        Given the user is on the landing page
-    When the user enters the search term "iPhone 13" and clicks search
+        When the user enters the search term "iPhone 13" and clicks search
-    Then the user should see the error page "No products found"
+        Then the user should see the error page "No products found"
 
-  Scenario: User is not logged in, searches for known product
+    Scenario: User is not logged in, searches for known product
-    Given the user is on the landing page
+        Given the user is on the landing page
-    And the user is not logged in
+        And the user is not logged in
-    When the user enters the search term "iPhone 12" and clicks search
+        When the user enters the search term "iPhone 12" and clicks search
-    Then the user should see a list of products
+        Then the user should see a list of products
-    When the user clicks on the first product
+        When the user clicks on the first product
-    Then the user should see the product detail page
+        Then the user should see the product detail page
-    And the set price alarm box should show "Log in to continue"
+        And the set price alarm box should show "Log in to continue"
 
-  Scenario: User is logged in, searches for known product
+    Scenario: User is logged in, searches for known product
-    Given the user is on the landing page
+        Given the user is on the landing page
-    And the user is logged in
+        And the user is logged in
-    When the user enters the search term "iPhone 12" and clicks search
+        When the user enters the search term "iPhone 12" and clicks search
-    Then the user should see a list of products
+        Then the user should see a list of products
-    When the user clicks on the first product
+        When the user clicks on the first product
-    Then the user should see the product detail page
+        Then the user should see the product detail page
-    And the set price alarm box should show "Set price alarm"
+        And the set price alarm box should show "Set price alarm"
-    When the user sets a price alarm
+        When the user sets a price alarm
-    Then the user should receive an email confirming the price alarm
+        Then the user should receive an email confirming the price alarm

Frontend/src/app/app.component.html

@@ -1,7 +1,13 @@
-<app-top-bar></app-top-bar>
+<div class="container">
-<div class="page-content">
+    <div class="header">
-    <router-outlet></router-outlet>
+        <app-top-bar></app-top-bar>
+    </div>
+    <div class="page-content">
+        <router-outlet></router-outlet>
+    </div>
+    <div class="footer">
+        <app-bottom-bar></app-bottom-bar>
+    </div>
 </div>
-<app-bottom-bar></app-bottom-bar>
 
 

Frontend/src/app/app.module.ts

@@ -30,6 +30,7 @@ import {MatSidenavModule} from '@angular/material/sidenav';
 import {MatListModule} from "@angular/material/list";
 import {BottomBarComponent} from './components/bottom-bar/bottom-bar.component';
 import { HotDealsWidgetComponent } from './components/hot-deals-widget/hot-deals-widget.component';
+import { SliderForProductsComponent } from './components/slider-for-products/slider-for-products.component';
 
 
 // For cookie popup
@@ -87,7 +88,8 @@ const cookieConfig: NgcCookieConsentConfig = {
         PrivacyComponent,
         TopBarComponent,
         BottomBarComponent,
-        HotDealsWidgetComponent
+        HotDealsWidgetComponent,
+        SliderForProductsComponent
     ],
     imports: [
         BrowserModule,

Frontend/src/app/components/slider-for-products/slider-for-products.component.html

@@ -0,0 +1 @@
+<p>slider-for-products works!</p>

Frontend/src/app/components/slider-for-products/slider-for-products.component.spec.ts

@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SliderForProductsComponent } from './slider-for-products.component';
+
+describe('SliderForProductsComponent', () => {
+  let component: SliderForProductsComponent;
+  let fixture: ComponentFixture<SliderForProductsComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ SliderForProductsComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SliderForProductsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

Frontend/src/app/components/slider-for-products/slider-for-products.component.ts

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-slider-for-products',
+  templateUrl: './slider-for-products.component.html',
+  styleUrls: ['./slider-for-products.component.css']
+})
+export class SliderForProductsComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit(): void {
+  }
+
+}

Frontend/src/app/models/pricealarm.ts

@@ -0,0 +1,6 @@
+export interface PriceAlarm {
+    alarm_id: number;
+    user_id: number;
+    product_id: number;
+    defined_price: number;
+}

Frontend/src/app/pages/landingpage/landingpage.component.html

@@ -1,4 +1,6 @@
-<div id="mainComponents">
+<app-hot-deals-widget></app-hot-deals-widget>
+
+<!--<div id="mainComponents">
     <div id="searchContainer">
         <input type="text" [(ngModel)]="searchInput" placeholder="Search" (keyup.enter)="startedSearch()">
     </div>
@@ -14,3 +16,4 @@
         </div>
     </div>
 </div>
+-->

Frontend/src/app/services/api.service.ts

@@ -5,6 +5,7 @@ import {Product} from '../models/product';
 import {Price} from '../models/price';
 import {Observable, of} from 'rxjs';
 import {Vendor} from '../models/vendor';
+import {PriceAlarm} from '../models/pricealarm';
 
 @Injectable({
     providedIn: 'root'
@@ -17,83 +18,191 @@ export class ApiService {
     ) {
     }
 
+
+    /*   ____                 __           __
+        / __ \_________  ____/ /_  _______/ /______
+       / /_/ / ___/ __ \/ __  / / / / ___/ __/ ___/
+      / ____/ /  / /_/ / /_/ / /_/ / /__/ /_(__  )
+     /_/   /_/   \____/\__,_/\__,_/\___/\__/____/
+    */
+
+    /**
+     * Gets the specified product from the API
+     * @param id The id of the product to get
+     * @return Observable<Product> An observable containing a single product
+     */
     getProduct(id): Observable<Product> {
         try {
-            const prod = this.http.get<Product>((this.apiUrl + '/products/' + id));
+            return this.http.get<Product>((this.apiUrl + '/products/' + id));
-            return prod;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
 
+
+    /**
+     * Gets a list of products that match the given search term
+     * @param query The search term to match
+     * @return Observable<Product[]> An observable list of products
+     */
     getProductsByQuery(query): Observable<Product[]> {
         try {
-            const prods = this.http.get<Product[]>((this.apiUrl + '/products/search/' + query));
+            return this.http.get<Product[]>((this.apiUrl + '/products/search/' + query));
-            return prods;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
 
+    /**
+     * Gets a list of all products
+     * @return Observable<Product[]> An observable list of products
+     */
     getProducts(): Observable<Product[]> {
         try {
-            const prods = this.http.get<Product[]>((this.apiUrl + '/products'));
+            return this.http.get<Product[]>((this.apiUrl + '/products'));
-            return prods;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
 
+
+    /*    ____       _
+         / __ \_____(_)_______  _____
+        / /_/ / ___/ / ___/ _ \/ ___/
+       / ____/ /  / / /__/  __(__  )
+      /_/   /_/  /_/\___/\___/____/
+     */
+
+    /**
+     * Gets a list of all prices
+     * @return Observable<Price[]> An observable list of prices
+     */
     getPrices(): Observable<Price[]> {
         try {
-            const prices = this.http.get<Price[]>((this.apiUrl + '/prices'));
+            return this.http.get<Price[]>((this.apiUrl + '/prices'));
-            return prices;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
 
+    /**
+     * Gets the lowest prices of every vendor for the given product
+     * @param productId The product id of the product to fetch the prices for
+     * @return Observable<Price[]> An observable list of prices
+     */
     getLowestPrices(productId): Observable<Price[]> {
         try {
             let params = new HttpParams();
             params = params.append('product', productId);
             params = params.append('type', 'lowest');
-            const prices = this.http.get<Price[]>((this.apiUrl + '/prices'), {params});
+            return this.http.get<Price[]>((this.apiUrl + '/prices'), {params});
-            return prices;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
 
+    /**
+     * Gets the latest amazon price for the given product
+     * @param productId The product id of the product to get the price for
+     * @return Observable<Price> An observable containing a single price
+     */
     getAmazonPrice(productId): Observable<Price> {
         try {
             let params = new HttpParams();
             params = params.append('product', productId);
             params = params.append('vendor', '1');
             params = params.append('type', 'newest');
-            const price = this.http.get<Price>((this.apiUrl + '/prices'), {params});
+            return this.http.get<Price>((this.apiUrl + '/prices'), {params});
-            return price;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
 
+    /**
+     * Gets the newest prices of every vendor for the given product
+     * @param productId The product id of the product to fetch the prices for
+     * @return Observable<Price[]> An observable list of prices
+     */
     getCurrentPricePerVendor(productId): Observable<Price[]> {
         try {
             let params = new HttpParams();
             params = params.append('product', productId);
             params = params.append('type', 'newest');
-            const prices = this.http.get<Price[]>((this.apiUrl + '/prices'), {params});
+            return this.http.get<Price[]>((this.apiUrl + '/prices'), {params});
-            return prices;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
 
+
+    /*  _    __               __
+       | |  / /__  ____  ____/ /___  __________
+       | | / / _ \/ __ \/ __  / __ \/ ___/ ___/
+       | |/ /  __/ / / / /_/ / /_/ / /  (__  )
+       |___/\___/_/ /_/\__,_/\____/_/  /____/
+     */
+
+    /**
+     * Gets a list of all vendors
+     * @return Observable<Vendor[]> An observable list of vendors
+     */
     getVendors(): Observable<Vendor[]> {
         try {
-            const vendors = this.http.get<Vendor[]>((this.apiUrl + '/vendors'));
+            return this.http.get<Vendor[]>((this.apiUrl + '/vendors'));
-            return vendors;
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+
+    /*     ____       _              ___    __
+          / __ \_____(_)_______     /   |  / /___ __________ ___  _____
+         / /_/ / ___/ / ___/ _ \   / /| | / / __ `/ ___/ __ `__ \/ ___/
+        / ____/ /  / / /__/  __/  / ___ |/ / /_/ / /  / / / / / (__  )
+       /_/   /_/  /_/\___/\___/  /_/  |_/_/\__,_/_/  /_/ /_/ /_/____/
+     */
+
+    /**
+     * Gets a list of all price alarms
+     * @return Observable<PriceAlarm[]> An observable list of price alarms
+     */
+    getPriceAlarms(): Observable<PriceAlarm[]> {
+        try {
+            return this.http.get<PriceAlarm[]>((this.apiUrl + '/pricealarms'));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    /**
+     * Creates a new price alarm
+     * @param productId The product id of the product to create the alarm for
+     * @param definedPrice The defined target price
+     * @return Observable<any> The observable response of the api
+     */
+    createPriceAlarms(productId: number, definedPrice: number): Observable<any> {
+        try {
+            return this.http.post((this.apiUrl + '/pricealarms'), JSON.stringify({
+                product_id: productId,
+                defined_price: definedPrice
+            }));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    /**
+     * Updates the given price alarm
+     * @param alarmId The alarm id of the alarm to update
+     * @param definedPrice The defined target price
+     * @return Observable<any> The observable response of the api
+     */
+    updatePriceAlarms(alarmId: number, definedPrice: number): Observable<any> {
+        try {
+            return this.http.put((this.apiUrl + '/pricealarms'), JSON.stringify({
+                alarm_id: alarmId,
+                defined_price: definedPrice
+            }));
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }

Frontend/src/styles.css

@@ -104,6 +104,32 @@ label {
     padding-right: 4px;
 }
 
+/* Main Container */
+
+.container {
+    position: fixed;
+    left: 50%;
+    margin-left: -820px;
+    width: 1640px;
+    height: auto;
+    display: grid;
+    grid-template-rows: 70px auto 210px;
+}
+
+.header {
+    grid-row: 1/2;
+}
+
+.page-content {
+    grid-row: 2/3;
+}
+
+.footer {
+    grid-row: 3/4;
+}
+
+/* End of Main Container */
+
 /* Top Bar */
 
 app-top-bar {