BETTERZON-94: Adding API endpoint to deactivate price listings as a vendor manager (#48)

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

@@ -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, vendor_id, price_in_cents, timestamp FROM prices WHERE active_listing = 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, vendor_id, price_in_cents, timestamp FROM prices WHERE price_id = ? AND active_listing = 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, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ? AND active_listing = true', product);
         for (let row in rows) {
             if (row !== 'meta') {
                 priceRows.push(rows[row]);
@@ -142,16 +142,16 @@ 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) ' +
+                'WHERE product_id = ? AND vendor_id != 1 AND active_listing = 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, vendor_id, MIN(price_in_cents) as price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id != 1 AND active_listing = 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, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id != 1 AND active_listing = true', product);
         }
 
         for (let row in rows) {
@@ -188,13 +188,13 @@ 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, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id = ? AND active_listing = 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, vendor_id, MIN(price_in_cents) as price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id = ? AND active_listing = 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, vendor_id, price_in_cents, timestamp FROM prices WHERE product_id = ? AND vendor_id = ? AND active_listing = true', [product, vendor]);
         }
 
         for (let row in rows) {
@@ -237,7 +237,7 @@ 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 WHERE active_listing = true)\n' +
             'SELECT s.*\n' +
             'FROM summary s\n' +
             'WHERE s.rk = 1');
@@ -298,7 +298,6 @@ 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);
         }
 
@@ -338,7 +337,7 @@ export const findListByProducts = async (productIds: [number]): Promise<Prices>
             '               ORDER BY p.timestamp DESC) AS rk\n' +
             '    FROM prices p' +
             '    WHERE p.product_id IN (?)' +
-            '    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]);

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();
@@ -31,7 +32,23 @@ vendorsRouter.get('/', async (req: Request, res: Response) => {
     }
 });
 
-// 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);
 
@@ -50,7 +67,7 @@ vendorsRouter.get('/:id', async (req: Request, res: Response) => {
     }
 });
 
-// GET items/:name
+// GET vendors/search/:term
 vendorsRouter.get('/search/:term', async (req: Request, res: Response) => {
     const term: string = req.params.term;
 
@@ -68,3 +85,27 @@ vendorsRouter.get('/search/:term', async (req: Request, res: Response) => {
         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.'}));
+    }
+});

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';
 
 
 /**
@@ -123,3 +124,64 @@ 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]);
+
+        if(status.affectedRows > 0){
+            return true;
+        }
+        return false;
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return false;
+};