Component Items

config/routes/routes.js

@@ -1,46 +1,64 @@
 const MongoClient = require('mongodb').MongoClient;
 const routes = {
     // Index
-    indexRoute: function(req, res) {
+    indexRoute: function (req, res) {
+        MongoClient.connect('mongodb://localhost:27017/digital_store', {
+            useNewUrlParser: true,
+            useUnifiedTopology: true
+        }, (err, db) => {
+            if (err) throw err;
+
+            const dbo = db.db('digital_store');
+            dbo.collection('storeInfo').find().toArray((err, result) => {
+                if (err) throw err;
+                const array = Object.keys(result[0].items)
+                const categories = array.map(cat => {
+                    return cat[0].toUpperCase() + cat.slice(1);
+                });
                 res.render('index', {
-            pageName: 'index'
+                    pageName: 'index',
+                    categories
+                });
+                db.close();
+            })
         });
     },
 
     // How-to-buy
-    howToBuyRoute: function(req, res) {
+    howToBuyRoute: function (req, res) {
         res.render('how-to-buy', {
             pageName: 'how-to-buy'
         });
     },
 
     // Contacts
-    contactsRoute: function(req, res) {
+    contactsRoute: function (req, res) {
         res.render('contacts', {
             pageName: 'contacts'
         });
     },
 
     // Comments
-    commentsRoute: function(req, res) {
+    commentsRoute: function (req, res) {
         res.render('comments', {
             pageName: 'comments'
         });
     },
 
     // My-orders
-    myOrdersRoute: function(req, res) {
+    myOrdersRoute: function (req, res) {
         res.render('my-orders', {
             pageName: 'my-orders'
         });
     },
 
     // GetItems
-    getItemsRoute: function(req, res) {
+    getItemsRoute: function (req, res) {
         const queryOptions = {
             auth: 'yYNfW8ynVO18L1TW5qIkILM1WtWgrVZz',
             option: 'all'
         }
+        res.setHeader("Cache-Control", "public, max-age=20");
 
         if (req.query.auth === queryOptions.auth) {
             if (req.query.option === queryOptions.option) {
@@ -57,16 +75,35 @@ const routes = {
                         db.close();
                     })
                 });
+            } else if (!req.query.option && req.query.category) {
+                MongoClient.connect('mongodb://localhost:27017/digital_store', {
+                    useNewUrlParser: true,
+                    useUnifiedTopology: true
+                }, (err, db) => {
+                    if (err) throw err;
+
+                    const dbo = db.db('digital_store');
+                    dbo.collection('storeInfo').find().toArray((err, result) => {
+                        if (err) throw err;
+                        const query = result[0].items[req.query.category]
+                        if (query != undefined) {
+                            res.send(query);
                         } else {
-                res.send('Invalid');
+                            res.send('Товары в этой категории не найдены или такой категории нет')
+                        }
+                        db.close();
+                    })
+                });
+            } else {
+                res.send('Запрос неверный');
             }
         } else {
-            res.send('Invalid');
+            res.send('Неверный токен');
         }
     }
 }
 
-module.exports = function(server) {
+module.exports = function (server) {
     server.get('/', routes.indexRoute);
     server.get('/how-to-buy', routes.howToBuyRoute);
     server.get('/contacts', routes.contactsRoute);

dist/views/index.pug

@@ -63,21 +63,10 @@ main.main-section
             .category-items
               ul
                 li
-                  a.active(href='#') Все товары:
+                  a.active(href='#' data-category='all') Все товары:
+                each val in categories
                   li
-                  a(href='#') Steam
+                    a(href='#' data-category=val) #{val}
-                li
-                  a(href='#') VKontakte
-                li
-                  a(href='#') Origin
-                li
-                  a(href='#') Warface
-                li
-                  a(href='#') Uplay
-                li
-                  a(href='#') Fortnite
-                li
-                  a(href='#') Instagram
       // Category Block END
 
       // Filter Block
@@ -110,9 +99,9 @@ main.main-section
             .items-title.block-title
               i.material-icons list
               h2.small-title Список товаров:
-            #roster
+            #loader.progress
-              #loader.progress.hide
               .indeterminate(style="width: 40%") 
+            #roster
             #pagination.items-pagination
               .divider
               ul.pagination

package-lock.json

@@ -1261,6 +1261,15 @@
         }
       }
     },
+    "axios-cache-adapter": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/axios-cache-adapter/-/axios-cache-adapter-2.5.0.tgz",
+      "integrity": "sha512-YcMPdMoqmSLoZx7A5YD/PdYGuX6/Y9M2tHBhaIXvXrPeGgNnbW7nb3+uArWlT53WGHLfclnu2voMmS7jGXVg6A==",
+      "requires": {
+        "cache-control-esm": "1.0.0",
+        "lodash": "^4.17.11"
+      }
+    },
     "babel-loader": {
       "version": "8.0.6",
       "resolved": "https://registry.npmjs.org/babel-loader/-/babel-loader-8.0.6.tgz",
@@ -1650,6 +1659,11 @@
         "unset-value": "^1.0.0"
       }
     },
+    "cache-control-esm": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/cache-control-esm/-/cache-control-esm-1.0.0.tgz",
+      "integrity": "sha512-Fa3UV4+eIk4EOih8FTV6EEsVKO0W5XWtNs6FC3InTfVz+EjurjPfDXY5wZDo/lxjDxg5RjNcurLyxEJBcEUx9g=="
+    },
     "camelcase": {
       "version": "5.3.1",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",

package.json

@@ -21,6 +21,7 @@
   "dependencies": {
     "@babel/polyfill": "^7.7.0",
     "axios": "^0.19.0",
+    "axios-cache-adapter": "^2.5.0",
     "express": "^4.17.1",
     "mongodb": "^3.3.4",
     "pug": "^2.0.4"

src/js/components/category.component.js

@@ -0,0 +1,37 @@
+import { Component } from "../core/component";
+import { apiService } from "../services/api.service";
+import { renderItemsOne } from "../templates/itemsOne.template";
+import { renderItems } from "../templates/items.template";
+
+export class CategoryComponent extends Component {
+    constructor(id, {items}) {
+        super(id);
+        this.items = items;
+    }
+
+    init() {
+        if (this.$el) {
+            this.$el.addEventListener('click', buttonHandler.bind(this));
+        }
+    }
+}
+
+async function buttonHandler(e) {
+    e.preventDefault();
+    if (e.target.dataset.category && e.target.dataset.category != 'all') {
+        this.items.onShow();
+        const category = e.target.dataset.category.toLowerCase();
+        const fData = await apiService.getItemsOne(category);
+        const html = renderItemsOne(category, fData);
+        this.items.onHide();
+        document.querySelector('#roster').insertAdjacentHTML('afterbegin', html);
+    } else if (e.target.dataset.category === 'all') {
+        this.items.onShow();
+        const fData = await apiService.getItems(),
+                categories = Object.keys(fData);
+
+        const html = renderItems(categories, fData);
+        this.items.onHide();
+        document.querySelector('#roster').insertAdjacentHTML('afterbegin', html);
+    }
+}

src/js/components/items.component.js

@@ -1,12 +1,11 @@
 import { Component } from "../core/component";
 import { apiService } from "../services/api.service";
-import { renderItem } from "../templates/item.template";
+import { renderItems } from "../templates/items.template";
 
 export class ItemsComponent extends Component {
     constructor(id, {loader}) {
         super(id);
         this.loader = loader;
-        this.loader.show();
     }
 
     async init() {
@@ -15,9 +14,22 @@ export class ItemsComponent extends Component {
             const fData = await apiService.getItems(),
                 categories = Object.keys(fData);
             
-            const html = renderItem(categories, fData);
+            if (categories.length) {
+                const html = renderItems(categories, fData);
                 this.$el.querySelector('#roster').insertAdjacentHTML('afterbegin', html);  
+            } else {
+                this.$el.querySelector('#roster').innerHTML = 'Товаров на сайте пока что нету';
+            }
             this.loader.hide(); 
         }
     }
+    
+    onHide() {
+        this.$el.querySelector('#roster').innerHTML = '';
+        this.loader.hide();
+    }
+    onShow() {
+        this.$el.querySelector('#roster').innerHTML = '';
+        this.loader.show();
+    }
 }

src/js/core/component.js

@@ -6,6 +6,10 @@ export class Component {
 
     init() {}
 
+    onShow() {}
+
+    onHide() {}
+
     hide() {
         this.$el ? this.$el.classList.add('hide') : false
     }

src/js/index.js

@@ -3,9 +3,11 @@ import { InformationComponent } from "./components/information.component.js";
 import { CartComponent } from "./components/cart.component.js";
 import { LoaderComponent } from "./components/loader.component.js";
 import { ItemsComponent } from "./components/items.component.js";
+import { CategoryComponent } from "./components/category.component.js";
 
 const header = new HeaderComponent('header');
 const loader = new LoaderComponent('loader');
 const information = new InformationComponent('information');
 const cart = new CartComponent('cart');
 const items = new ItemsComponent('items', {loader});
+const category = new CategoryComponent('category', {items});

src/js/services/api.service.js

@@ -1,4 +1,5 @@
 const axios = require('axios');
+const API_TOKEN = 'yYNfW8ynVO18L1TW5qIkILM1WtWgrVZz';
 
 class ApiService {
     constructor(baseUrl) {
@@ -7,7 +8,16 @@ class ApiService {
 
     async getItems() {
         try {
-            const request = `${this.url}store-api?auth=yYNfW8ynVO18L1TW5qIkILM1WtWgrVZz&option=all`;
+            const request = `${this.url}store-api?auth=${API_TOKEN}&option=all`;
+            return useRequest(request);
+        } catch (err) {
+            console.error(err);
+        }
+    }
+
+    async getItemsOne(category) {
+        try {
+            const request = `${this.url}store-api?auth=${API_TOKEN}&category=${category}`;
             return useRequest(request);
         } catch (err) {
             console.error(err);
@@ -20,4 +30,4 @@ async function useRequest(request) {
     return await JSON.parse(response.request.response);
 }
 
-export const apiService = new ApiService('http://localhost:3000/');
+export const apiService = new ApiService('http://localhost:3000/', API_TOKEN);

src/js/templates/items.template.js

@@ -1,4 +1,4 @@
-export function renderItem(categories, items) {
+export function renderItems(categories, items) {
 
     let html = '';
 
@@ -15,7 +15,7 @@ export function renderItem(categories, items) {
                                 <img src="./img/service-icons/${item.image}" alt="#">
                             </div>
                             <div class="list-title">
-                                <a href="#">${item.title}</a>
+                                <a href="/item/${item._id}">${item.title}</a>
                             </div>
                         </div>
                         <div class="items-list__info">

src/js/templates/itemsOne.template.js

@@ -0,0 +1,50 @@
+export function renderItemsOne(category, items) {
+    let html = '';
+
+    html += `<div class="items-category">
+                    <h2 class="small-title">${category}</h2>
+                </div>`;
+
+    items.forEach(item => {
+        if (item) {
+            html += `
+                            <div class="items-list">
+                            <div class="items-list__name">
+                                <div class="list-icon">
+                                    <img src="./img/service-icons/${item.image}" alt="#">
+                                </div>
+                                <div class="list-title">
+                                    <a href="/item/${item._id}">${item.title}</a>
+                                </div>
+                            </div>
+                            <div class="items-list__info">
+                                <div class="list-count">
+                                    <span>${item.count} шт.</span>
+                                </div>
+                                <div class="list-one">
+                                    <span>Цена за 1 шт.</span>
+                                </div>
+                                <div class="list-price">
+                                    <span>${item.price}</span>
+                                </div>
+                                <div class="list-buttons">
+                                    <button class="btn-small waves-effect waves-light">Купить</button>
+                                    <button class="btn-small waves-effect waves-light"><i
+                                            class="material-icons">shopping_cart</i></button>
+                                </div>
+                            </div>
+                        </div>
+                    `
+        } else {
+            html += `
+                        <div class="items-list">
+                        <div class="items-list__name">
+                            <div class="list-title">
+                                <span>В этой категории пока что нету товаров</span>
+                            </div>
+                        </div>
+                    </div>`;
+        }
+    });
+    return html;
+}