Merge remote-tracking branch 'origin/develop' into BETTERZON-140

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

@@ -89,9 +89,9 @@ contactpersonsRouter.post('/', async (req: Request, res: Response) => {
         const success = await ContactPersonService.createContactEntry(user.user_id, vendor_id, first_name, last_name, gender, email, phone);
 
         if (success) {
-            res.sendStatus(201);
+            res.status(201).send({});
         } else {
-            res.sendStatus(500);
+            res.status(500).send({});
         }
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
@@ -118,9 +118,9 @@ contactpersonsRouter.put('/:id', async (req: Request, res: Response) => {
         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);
+            res.status(200).send({});
         } else {
-            res.sendStatus(500);
+            res.status(500).send({});
         }
     } catch (e) {
         console.log('Error handling a request: ' + e.message);

Backend/src/models/crawling_status/crawling_status.router.ts

@@ -28,7 +28,7 @@ crawlingstatusRouter.get('/', async (req: Request, res: Response) => {
         const user = await UserService.checkSessionWithCookie(req.cookies.betterauth, user_ip);
 
         if (!user.is_admin) {
-            res.sendStatus(403);
+            res.status(403).send({});
             return;
         }
 

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

@@ -117,9 +117,9 @@ pricesRouter.post('/', async (req: Request, res: Response) => {
         const success = await PriceService.createPriceEntry(user.user_id, vendor_id, product_id, price_in_cents);
 
         if (success) {
-            res.sendStatus(201);
+            res.status(201).send({});
         } else {
-            res.sendStatus(500);
+            res.status(500).send({});
         }
     } catch (e) {
         console.log('Error handling a request: ' + e.message);

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

@@ -120,7 +120,7 @@ productsRouter.post('/', async (req: Request, res: Response) => {
         const result: boolean = await ProductService.addNewProduct(asin);
 
         if (result) {
-            res.sendStatus(201);
+            res.status(201).send({});
         } else {
             res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
         }

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

@@ -50,7 +50,7 @@ usersRouter.post('/register', async (req: Request, res: Response) => {
         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);
+        }), {expires: new Date(Date.now() + 1000 * 60 * 60 * 24 * 30)}).status(201).send({});
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
         res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
@@ -83,7 +83,7 @@ usersRouter.post('/login', async (req: Request, res: Response) => {
         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);
+        }), {expires: new Date(Date.now() + 1000 * 60 * 60 * 24 * 30)}).status(200).send({});
     } 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.router.ts

@@ -100,9 +100,9 @@ vendorsRouter.put('/manage/deactivatelisting', async (req: Request, res: Respons
         const success = await VendorService.deactivateListing(user.user_id, vendor_id, product_id);
 
         if (success) {
-            res.sendStatus(200);
+            res.status(200).send({});
         } else {
-            res.sendStatus(500);
+            res.status(500).send({});
         }
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
@@ -123,9 +123,9 @@ vendorsRouter.put('/manage/shop/deactivate/:id', async (req: Request, res: Respo
         const success = await VendorService.setShopStatus(user.user_id, vendor_id, false);
 
         if (success) {
-            res.sendStatus(200);
+            res.status(200).send({});
         } else {
-            res.sendStatus(500);
+            res.status(500).send({});
         }
     } catch (e) {
         console.log('Error handling a request: ' + e.message);
@@ -146,9 +146,9 @@ vendorsRouter.put('/manage/shop/activate/:id', async (req: Request, res: Respons
         const success = await VendorService.setShopStatus(user.user_id, vendor_id, true);
 
         if (success) {
-            res.sendStatus(200);
+            res.status(200).send({});
         } else {
-            res.sendStatus(500);
+            res.status(500).send({});
         }
     } catch (e) {
         console.log('Error handling a request: ' + e.message);

Frontend/angular.json

@@ -92,7 +92,8 @@
                         "karmaConfig": "karma.conf.js",
                         "codeCoverage": true,
                         "codeCoverageExclude": [
-                            "src/app/mocks/mock.service.ts"
+                            "src/app/mocks/mock.service.ts",
+                            "src/app/services/api.service.ts"
                         ],
                         "assets": [
                             "src/favicon.ico",

Frontend/src/app/components/product-details/product-details.component.ts

@@ -47,7 +47,9 @@ export class ProductDetailsComponent implements OnInit {
     }
 
     getProduct(): void {
-        this.apiService.getProduct(this.productId).subscribe(product => {this.product = product});
+        this.apiService.getProduct(this.productId).subscribe(product => {
+            this.product = product;
+        });
     }
 
     getPrices(): void {

Frontend/src/app/models/price.ts

@@ -5,3 +5,24 @@ export interface Price {
     price_in_cents: number;
     timestamp: Date;
 }
+
+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;
+    }
+}

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

@@ -2,7 +2,7 @@ import {Injectable} from '@angular/core';
 import {HttpClient, HttpHeaders, HttpParams} from '@angular/common/http';
 import process from 'process';
 import {Product} from '../models/product';
-import {Price} from '../models/price';
+import {Deal, Price} from '../models/price';
 import {Observable, of} from 'rxjs';
 import {Vendor} from '../models/vendor';
 import {PriceAlarm} from '../models/pricealarm';
@@ -71,6 +71,60 @@ export class ApiService {
         }
     }
 
+    /**
+     * Gets a list of all specified products
+     * @param ids The ids of the products to get
+     * @return Observable<Product[]> An observable list of products
+     */
+    getProductsByIds(ids: number[]): Observable<Product[]> {
+        try {
+            return this.http.get<Product[]>((this.apiUrl + '/products/list/[' + ids.toString() + ']'));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    /**
+     * Gets a list of all products that are available at the specified vendor
+     * @param vendor The vendor to get the products for
+     * @return Observable<Product[]> An observable list of products
+     */
+    getProductsByVendor(vendor: number): Observable<Product[]> {
+        try {
+            return this.http.get<Product[]>((this.apiUrl + '/products/vendor/' + vendor));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    /**
+     * Creates a new product entry
+     * @param asinOrLink The amazon link or asin of the product
+     * @return Observable<any> The observable response of the api
+     */
+    addNewProduct(asinOrLink: string): Observable<any> {
+        let asin = '';
+
+        // Check if the parameter is a link or an asin
+        const linkRegex: RegExp = /^http[s]{0,1}:\/\/.*\/dp\/(.[^\/]*)\/{0,1}.*$/;
+        const matches = linkRegex.exec(asinOrLink);
+        if (matches) {
+            // param is a link, extract asin
+            asin = matches[1] ?? '';
+        } else {
+            // param is not a link, suspect it is an asin
+            asin = asinOrLink;
+        }
+
+        try {
+            return this.http.post((this.apiUrl + '/products'), JSON.stringify({
+                asin
+            }));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
 
     /*    ____       _
          / __ \_____(_)_______  _____
@@ -79,6 +133,19 @@ export class ApiService {
       /_/   /_/  /_/\___/\___/____/
      */
 
+    /**
+     * Gets the specified price from the API
+     * @param id The id of the price to get
+     * @return Observable<Price> An observable containing a single price
+     */
+    getPrice(id: number): Observable<Price> {
+        try {
+            return this.http.get<Price>((this.apiUrl + '/prices/' + id));
+        } 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
@@ -140,6 +207,51 @@ export class ApiService {
         }
     }
 
+    /**
+     * Gets the currently best deals
+     * @param amount The amount of deals to get
+     * @return Observable<Deal[]> An observable list of deals
+     */
+    getBestDeals(amount: number): Observable<Deal[]> {
+        try {
+            return this.http.get<Deal[]>((this.apiUrl + '/prices/bestDeals/' + amount));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    /**
+     * Gets a list of all prices for the specified product
+     * @param product The product to get prices for
+     * @return Observable<Price[]> An observable list of prices
+     */
+    getPricesByProduct(products: number[]): Observable<Price[]> {
+        try {
+            console.log('IDs: ' + products.toString());
+            return this.http.get<Price[]>((this.apiUrl + '/prices/byProduct/list/[' + products.toString() + ']'));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    /**
+     * Creates a new price entry
+     * @param vendorId The vendor to add the price for
+     * @param productId The product to add the price to
+     * @param price The price in cents to add
+     * @return Observable<any> The observable response of the api
+     */
+    addNewPrice(vendorId: number, productId: number, price: number): Observable<any> {
+        try {
+            return this.http.post((this.apiUrl + '/prices'), JSON.stringify({
+                vendor_id: vendorId,
+                product_id: productId,
+                price_in_cents: price
+            }));
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
 
     /*  _    __               __
        | |  / /__  ____  ____/ /___  __________

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 Patrick Müller, Georg Reichert, Henning Sextro
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

doku/betterzon_sql_script.txt

@@ -0,0 +1,185 @@
+CREATE DATABASE `Betterzon`;
+
+USE `Betterzon`;
+
+create table categories
+(
+	category_id int auto_increment
+		primary key,
+	name text null
+);
+
+create table crawling_processes
+(
+	process_id int auto_increment
+		primary key,
+	started_timestamp datetime default current_timestamp() null,
+	combinations_to_crawl int null
+);
+
+create table manufacturers
+(
+	manufacturer_id int auto_increment
+		primary key,
+	name text null
+);
+
+create table products
+(
+	product_id int auto_increment
+		primary key,
+	asin text null,
+	is_active tinyint null,
+	name text null,
+	short_description text null,
+	long_description text null,
+	image_guid text null,
+	date_added date null,
+	last_modified datetime null,
+	manufacturer_id int null,
+	selling_rank text null,
+	category_id int null,
+	constraint FK_products_categories
+		foreign key (category_id) references categories (category_id),
+	constraint FK_products_manufacturers
+		foreign key (manufacturer_id) references manufacturers (manufacturer_id)
+);
+
+create table users
+(
+	user_id int auto_increment
+		primary key,
+	username text not null,
+	email text null,
+	bcrypt_password_hash text null,
+	registration_date datetime default current_timestamp() null,
+	last_login_date datetime default current_timestamp() null,
+	is_admin tinyint(1) default 0 null,
+	constraint users_username_uindex
+		unique (username) using hash
+);
+
+create table price_alarms
+(
+	alarm_id int auto_increment
+		primary key,
+	user_id int not null,
+	product_id int not null,
+	defined_price int null,
+	constraint price_alarms_products_product_id_fk
+		foreign key (product_id) references products (product_id)
+			on update cascade on delete cascade,
+	constraint price_alarms_users_user_id_fk
+		foreign key (user_id) references users (user_id)
+			on update cascade on delete cascade
+);
+
+create table sessions
+(
+	session_id int auto_increment
+		primary key,
+	user_id int not null,
+	session_key_hash text null,
+	createdDate datetime default current_timestamp() null,
+	lastLogin datetime null,
+	validUntil datetime null,
+	validDays int null,
+	last_IP text null,
+	constraint sessions_users_user_id_fk
+		foreign key (user_id) references users (user_id)
+			on update cascade on delete cascade
+);
+
+create table vendors
+(
+	vendor_id int auto_increment
+		primary key,
+	admin_id int null,
+	name text null,
+	streetname text null,
+	zip_code int null,
+	city text null,
+	country_code text null,
+	phone text null,
+	website text null,
+	isActive tinyint(1) default 1 not null,
+	constraint vendors_users_user_id_fk
+		foreign key (admin_id) references users (user_id)
+			on update set null on delete set null
+);
+
+create table contact_persons
+(
+	contact_person_id int auto_increment
+		primary key,
+	first_name text default '0' not null,
+	last_name text default '0' not null,
+	gender text default '0' not null,
+	email text default '0' not null,
+	phone text default '0' not null,
+	vendor_id int default 0 not null,
+	constraint FK_contact_persons_vendors
+		foreign key (vendor_id) references vendors (vendor_id)
+);
+
+create table crawling_status
+(
+	status_id int auto_increment
+		primary key,
+	process_id int not null,
+	instance_url text null,
+	product_id int not null,
+	vendor_id int not null,
+	success tinyint(1) not null,
+	constraint crawling_status_crawling_processes_process_id_fk
+		foreign key (process_id) references crawling_processes (process_id)
+			on update cascade on delete cascade,
+	constraint crawling_status_products_product_id_fk
+		foreign key (product_id) references products (product_id)
+			on update cascade on delete cascade,
+	constraint crawling_status_vendors_vendor_id_fk
+		foreign key (vendor_id) references vendors (vendor_id)
+			on update cascade on delete cascade
+);
+
+create table favorite_shops
+(
+	favorite_id int auto_increment
+		primary key,
+	vendor_id int not null,
+	user_id int not null,
+	constraint favorite_shops_users_user_id_fk
+		foreign key (user_id) references users (user_id)
+			on update cascade on delete cascade,
+	constraint favorite_shops_vendors_vendor_id_fk
+		foreign key (vendor_id) references vendors (vendor_id)
+			on update cascade on delete cascade
+);
+
+create table prices
+(
+	price_id int auto_increment
+		primary key,
+	product_id int default 0 null,
+	vendor_id int null,
+	price_in_cents int null,
+	timestamp datetime default current_timestamp() null,
+	active_listing tinyint(1) default 1 not null,
+	constraint FK_prices_products
+		foreign key (product_id) references products (product_id),
+	constraint FK_prices_vendors
+		foreign key (vendor_id) references vendors (vendor_id)
+);
+
+create table product_links
+(
+	product_link_id int auto_increment
+		primary key,
+	product_id int default 0 not null,
+	vendor_id int default 0 not null,
+	url text default '0' not null,
+	constraint FK__products
+		foreign key (product_id) references products (product_id),
+	constraint FK__vendors
+		foreign key (vendor_id) references vendors (vendor_id)
+);