BETTERZON-25: Finishing prototype of UC

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

@@ -123,16 +123,16 @@ 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 = ?) ' +
+                'WHERE product_id = ? AND vendor_id != 1) ' +
                 '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 = ? 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 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 = ?', 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);
         }
 
         for (let row in rows) {

Frontend/src/app/components/header/header.component.html

@@ -5,7 +5,7 @@
             <img src="assets/images/Betterzon.svg" alt="Betterzon Logo" width="50px" (click)="clickedLogo()">
         </div>
         <div class="searchBox">
-            <input type="text" [(ngModel)]="searchInput" placeholder="Search" (keyup.enter)="startedSearch()">
+            <input *ngIf="showSearch===true" type="text" [(ngModel)]="searchInput" placeholder="Search" (keyup.enter)="startedSearch()">
         </div>
         <div class="profileIcon">
             Profile

Frontend/src/app/components/header/header.component.ts

@@ -1,4 +1,4 @@
-import {Component, OnInit} from '@angular/core';
+import {Component, Input, OnInit} from '@angular/core';
 import {Router} from '@angular/router';
 
 @Component({
@@ -8,6 +8,7 @@ import {Router} from '@angular/router';
 })
 export class HeaderComponent implements OnInit {
     searchInput: string;
+    @Input() showSearch: boolean;
 
     constructor(
         private router: Router
@@ -15,6 +16,9 @@ export class HeaderComponent implements OnInit {
     }
 
     ngOnInit(): void {
+        if (!this.showSearch) {
+            this.showSearch = false;
+        }
     }
 
     clickedLogo(): void {

Frontend/src/app/components/newest-prices-list/newest-prices-list.component.css

@@ -1,7 +1,25 @@
 .priceList {
-    max-width: 50%;
+    margin: 2em;
-    margin: auto;
+    position: relative;
-    margin: auto;
+}
-    align-content: center;
+
-    text-align: center;
+.priceList table {
+    position: relative;
+    margin: auto;
+    font-family: Arial, Helvetica, sans-serif;
+    border-collapse: collapse;
+    width: 80%;
+}
+
+.priceList table td, .priceList table th {
+    border: 1px solid #ddd;
+    padding: 8px;
+}
+
+.priceList table tr:nth-child(even) {
+    background-color: #f2f2f2;
+}
+
+.priceList table tr:hover {
+    background-color: #ddd;
 }

Frontend/src/app/components/newest-prices-list/newest-prices-list.component.html

@@ -1,3 +1,14 @@
 <div class="priceList">
-    PriceList
+    <table>
+        <tr>
+            <th>Vendor</th>
+            <th>Current price</th>
+            <th>Visit</th>
+        </tr>
+        <tr *ngFor="let price of prices">
+            <td>{{vendorMap[price.vendor_id]?.name}}</td>
+            <td>{{price.price_in_cents / 100}}€</td>
+            <td><a href="https://www.amazon.com">Visit Shop</a></td>
+        </tr>
+    </table>
 </div>

Frontend/src/app/components/newest-prices-list/newest-prices-list.component.ts

@@ -1,4 +1,7 @@
-import { Component, OnInit } from '@angular/core';
+import {Component, Input, OnInit} from '@angular/core';
+import {Price} from '../../models/price';
+import {Vendor} from '../../models/vendor';
+import {ApiService} from '../../services/api.service';
 
 @Component({
     selector: 'app-newest-prices-list',
@@ -6,10 +9,37 @@ import { Component, OnInit } from '@angular/core';
     styleUrls: ['./newest-prices-list.component.css']
 })
 export class NewestPricesListComponent implements OnInit {
+    @Input() productId: number;
+    prices: Price[] = [];
+    vendors: Vendor[] = [];
+    vendorMap = {};
 
-  constructor() { }
+    constructor(
+        private apiService: ApiService
+    ) {
+    }
 
     ngOnInit(): void {
+        this.getVendors();
+        this.getPrices();
+    }
+
+    getPrices(): void {
+        // Lowest prices
+        this.apiService.getCurrentPricePerVendor(this.productId).subscribe(
+            prices => {
+                this.prices = prices;
+            });
+    }
+
+    getVendors(): void {
+        this.apiService.getVendors().subscribe(vendors => {
+            this.vendors = vendors;
+
+            this.vendors.forEach(vendor => {
+                this.vendorMap[vendor.vendor_id] = vendor;
+            });
+        });
     }
 
 }

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

@@ -57,14 +57,27 @@
     border-radius: 5px;
     padding: .25em;
     margin: auto;
+    font-size: 1.5em;
 }
 
-/* Best price div */
+/* Best price container div */
-.bestPrice {
+.bestPriceContainer {
     grid-area: bestPrice;
+}
+
+/* best price div */
+.bestPrice {
     border-style: solid;
     border-color: dimgrey;
     border-radius: 5px;
     padding: .25em;
     margin: auto;
+    text-align: center;
+    font-size: 1.5em;
+}
+
+/* amazon price div */
+.amazonPrice {
+    margin-top: .5em;
+    text-align: center;
 }

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

@@ -3,7 +3,7 @@
         <img class="productImage" src="https://www.mueller-patrick.tech/betterzon/images/{{product.image_guid}}.jpg"/>
     </div>
     <div class="productTitle">
-        <b>{{product.name}}</b>
+        <b>{{product?.name}}</b>
     </div>
     <div class="priceChart">
         <div style="text-align:center">
@@ -17,13 +17,20 @@
     </div>
     <div class="productDescription">
         <div>
-            {{product.short_description}}
+            {{product?.short_description}}
         </div>
     </div>
     <div class="priceAlarm">
         Set Price Alarm
     </div>
+    <div class="bestPriceContainer">
         <div class="bestPrice">
-        5€
+            Best price: {{currentlyLowestPrice?.price_in_cents / 100}}€ at
+            vendor {{vendorMap[currentlyLowestPrice.vendor_id]?.name}}!
+        </div>
+        <div class="amazonPrice">
+            Amazon-price: {{currentAmazonPrice?.price_in_cents / 100}}€ (<span
+            *ngIf="getAmazonPriceDifference()>0">+</span>{{getAmazonPriceDifference()}}%)
+        </div>
     </div>
 </div>

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

@@ -8,6 +8,8 @@ import {
     ApexXAxis,
     ApexTitleSubtitle, ApexStroke
 } from 'ng-apexcharts';
+import {Price} from '../../models/price';
+import {Vendor} from '../../models/vendor';
 
 export type ChartOptions = {
     series: ApexAxisChartSeries;
@@ -25,6 +27,11 @@ export type ChartOptions = {
 export class ProductDetailsComponent implements OnInit {
     @Input() productId: number;
     product: Product;
+    lowestPrices: Price[];
+    currentlyLowestPrice: Price;
+    currentAmazonPrice: Price;
+    vendors: Vendor[] = [];
+    vendorMap = {};
     @ViewChild('chart') chart: ChartComponent;
     public chartOptions: ChartOptions;
 
@@ -35,19 +42,53 @@ export class ProductDetailsComponent implements OnInit {
 
     ngOnInit(): void {
         this.getProduct();
-        this.getChartData();
+        this.getVendors();
+        this.getPrices();
     }
 
     getProduct(): void {
         this.apiService.getProduct(this.productId).subscribe(product => this.product = product);
     }
 
+    getPrices(): void {
+        // Lowest prices
+        this.apiService.getLowestPrices(this.productId).subscribe(
+            prices => {
+                this.lowestPrices = prices;
+                this.currentlyLowestPrice = prices[prices.length - 1];
+
+                // Update charts
+                this.getChartData();
+            });
+
+        // Amazon price
+        this.apiService.getAmazonPrice(this.productId).subscribe(price => {
+            this.currentAmazonPrice = price[0];
+        });
+    }
+
+    getVendors(): void {
+        this.apiService.getVendors().subscribe(vendors => {
+            this.vendors = vendors;
+            this.vendors.forEach(vendor => {
+                this.vendorMap[vendor.vendor_id] = vendor;
+            });
+        });
+    }
+
     getChartData(): void {
+        const prices = [];
+        const categs = [];
+        this.lowestPrices?.forEach(price => {
+            prices.push(price.price_in_cents / 100);
+            categs.push(new Date(price.timestamp).toDateString());
+        });
+
         this.chartOptions = {
             series: [
                 {
                     name: 'Lowest Price',
-                    data: [1061.20, 1060, 1070, 1040, 1061.20, 1061, 1100, 1070, 1061.20]
+                    data: prices
                 }
             ],
             chart: {
@@ -58,7 +99,7 @@ export class ProductDetailsComponent implements OnInit {
                 text: 'Lowest price'
             },
             xaxis: {
-                categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep']
+                categories: categs
             },
             stroke: {
                 curve: 'stepline'
@@ -66,4 +107,16 @@ export class ProductDetailsComponent implements OnInit {
         };
     }
 
+    getAmazonPriceDifference(): number {
+        const amazonPrice = this.currentAmazonPrice?.price_in_cents;
+        const lowestPrice = this.currentlyLowestPrice?.price_in_cents;
+
+        const percentage = amazonPrice / lowestPrice;
+
+        if (percentage < 1) {
+            return -Math.round(percentage);
+        } else {
+            return +Math.round(percentage);
+        }
+    }
 }

Frontend/src/app/models/vendor.ts

@@ -0,0 +1,10 @@
+export interface Vendor {
+    vendor_id: number;
+    name: string;
+    streetname: string;
+    zip_code: string;
+    city: string;
+    country_code: string;
+    phone: string;
+    website: string;
+}

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

@@ -3,3 +3,48 @@
     margin-top: .5em;
     margin-bottom: .5em;
 }
+
+#productListsContainer {
+    display: grid;
+    grid-template-areas:
+    'search search'
+    'popularSearches bestDeals';
+    grid-template-columns: 50% 50%;
+}
+
+#searchContainer {
+    position: relative;
+    grid-area: search;
+    height: 10em;
+}
+
+#searchContainer input {
+    position: relative;
+    font-size: 1.5em;
+    padding: .25em;
+    display: block;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    box-sizing: border-box;
+    margin: auto;
+    -ms-transform: translateY(50%);
+    transform: translateY(2.5em);
+}
+
+#popularSearchesList {
+    grid-area: popularSearches;
+    padding: .5em;
+}
+
+#popularSearchesList h2 {
+    text-align: center;
+}
+
+#bestDealsList {
+    grid-area: bestDeals;
+    padding: .5em;
+}
+
+#bestDealsList h2 {
+    text-align: center;
+}

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

@@ -1,5 +1,18 @@
-<app-header></app-header>
+<app-header [showSearch]="false"></app-header>
 <div id="mainComponents">
-    <app-product-list numberOfProducts="20" [showProductPicture]="true"></app-product-list>
+    <div id="searchContainer">
+        <input type="text" [(ngModel)]="searchInput" placeholder="Search" (keyup.enter)="startedSearch()">
+    </div>
+    <div id="productListsContainer">
+        <div id="popularSearchesList">
+            <h2>Popular Searches</h2>
+            <app-product-list numberOfProducts="3" [showProductPicture]="true"
+                              type="popularSearches"></app-product-list>
+        </div>
+        <div id="bestDealsList">
+            <h2>Best Deals</h2>
+            <app-product-list numberOfProducts="3" [showProductPicture]="true" type="bestDeals"></app-product-list>
+        </div>
+    </div>
 </div>
 <app-footer></app-footer>

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

@@ -1,4 +1,5 @@
 import {Component, OnInit} from '@angular/core';
+import {Router} from '@angular/router';
 
 @Component({
     selector: 'app-landingpage',
@@ -6,10 +7,23 @@ import { Component, OnInit } from '@angular/core';
     styleUrls: ['./landingpage.component.css']
 })
 export class LandingpageComponent implements OnInit {
+    searchInput: string;
 
-  constructor() { }
+    constructor(
+        private router: Router
+    ) {
+    }
 
     ngOnInit(): void {
     }
 
+    startedSearch(): void {
+        this.redirectTo('/search', {queryParams: {q: this.searchInput}});
+    }
+
+    redirectTo(uri: string, queryParams: object): void {
+        this.router.navigateByUrl('/', {skipLocationChange: true}).then(() =>
+            this.router.navigate([uri], queryParams));
+    }
+
 }

Frontend/src/app/pages/product-detail-page/product-detail-page.component.html

@@ -1,6 +1,6 @@
-<app-header></app-header>
+<app-header [showSearch]="true"></app-header>
 <div id="mainComponents">
     <app-product-details [productId]="productId"></app-product-details>
-    <app-newest-prices-list></app-newest-prices-list>
+    <app-newest-prices-list [productId]="productId"></app-newest-prices-list>
 </div>
 <app-footer></app-footer>

Frontend/src/app/pages/product-search-page/product-search-page.component.html

@@ -1,4 +1,4 @@
-<app-header></app-header>
+<app-header [showSearch]="true"></app-header>
 <div id="mainComponents">
     <app-product-list numberOfProducts="20" [showProductPicture]="true" searchQuery="{{searchTerm}}"
                       type="search"></app-product-list>

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

@@ -1,9 +1,10 @@
 import {Injectable} from '@angular/core';
-import {HttpClient, HttpHeaders} from '@angular/common/http';
+import {HttpClient, HttpHeaders, HttpParams} from '@angular/common/http';
 import process from 'process';
 import {Product} from '../models/product';
 import {Price} from '../models/price';
 import {Observable, of} from 'rxjs';
+import {Vendor} from '../models/vendor';
 
 @Injectable({
     providedIn: 'root'
@@ -46,10 +47,55 @@ export class ApiService {
     getPrices(): Observable<Price[]> {
         try {
             const prices = this.http.get<Price[]>((this.apiUrl + '/prices'));
-            console.log(prices);
             return prices;
         } catch (exception) {
             process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
         }
     }
+
+    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 prices;
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    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 price;
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    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 prices;
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
+
+    getVendors(): Observable<Vendor[]> {
+        try {
+            const vendors = this.http.get<Vendor[]>((this.apiUrl + '/vendors'));
+            return vendors;
+        } catch (exception) {
+            process.stderr.write(`ERROR received from ${this.apiUrl}: ${exception}\n`);
+        }
+    }
 }