конец занятия №82

app/categories.js

+const express = require('express');
+const Category = require('./models/Category');
+const router = express.Router();
+
+const createRouter = () => {
+    router.get('/', async (req, res) => {
+       try {
+           const categories = await Category.find();
+           res.send(categories);
+       } catch (e) {
+           res.sendStatus(500);
+       }
+    });
+    router.post('/', async (req, res) => {
+       const category = new Category(req.body);
+       try {
+           await category.save();
+           res.send(category)
+       } catch (e) {
+           res.status(400).send(e);
+       }
+    });
+    return router
+};
+
+module.exports = createRouter;
\ No newline at end of file

app/models/Category.js

+const mongoose = require('mongoose');
+
+const Schema = mongoose.Schema;
+
+const CategorySchema = new Schema({
+   title: {
+       type: String,
+       required: true,
+       unique: true
+   },
+    description: String
+});
+
+const Category = mongoose.model('Category', CategorySchema);
+
+module.exports = Category;
\ No newline at end of file

app/models/Products.js

 const mongoose = require('mongoose');
+const idvalidator = require('mongoose-id-validator');
 
 const Schema = mongoose.Schema;
 
@@ -12,11 +13,19 @@ const ProductSchema = new Schema({
         required: true
     },
     description: String,
-    image: String
+    image: String,
+    category: {
+        type: Schema.Types.ObjectId,
+        ref: 'Category',
+        required: true
+    }
 }, {
     versionKey: false
 });
 
+ProductSchema.plugin(idvalidator, {
+    message : 'Bad ID value for {PATH}'
+});
 const Product = mongoose.model('Product', ProductSchema);
 module.exports = Product;
 

app/products.js

@@ -18,8 +18,12 @@ const Product = require('./models/Products');
 
 const createRouter = () => {
     router.get('/', async (req, res) => {
+        let filter = {};
+        if(req.query.category){
+            filter.category = req.query.category;
+        }
         try {
-            const products = await Product.find();
+            const products = await Product.find(filter).populate('category', '_id title');
             res.send(products);
         } catch (e) {
             res.status(500).send(e);
@@ -42,7 +46,6 @@ const createRouter = () => {
         if(req.file) {
             product.image = req.file.filename;
         }
-
         try {
             await product.save();
             res.send(product);

package-lock.json

@@ -357,6 +357,11 @@
       "integrity": "sha512-y4coMcylgSCdVinjiDBuR8PCC2bLjyGTwEmPb9NHR/QaNU6EUOXcTY/s6VjGMD6ENSEaeQYHCY0GNGS5jfMwPw==",
       "dev": true
     },
+    "clone": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
+      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
+    },
     "clone-response": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/clone-response/-/clone-response-1.0.2.tgz",
@@ -1073,6 +1078,15 @@
         }
       }
     },
+    "mongoose-id-validator": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/mongoose-id-validator/-/mongoose-id-validator-0.6.0.tgz",
+      "integrity": "sha512-y3b3/PkmaiMKSbKB8tsEEGUjgCgKQGpD2Ood7jaVEob3V2HWgnmNKCgiSQUpEtQuDU0lUnLJQ5JE9PH1Bytziw==",
+      "requires": {
+        "clone": "^1.0.2",
+        "traverse": "^0.6.6"
+      }
+    },
     "mongoose-legacy-pluralize": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz",
@@ -1670,6 +1684,11 @@
         "nopt": "~1.0.10"
       }
     },
+    "traverse": {
+      "version": "0.6.6",
+      "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.6.6.tgz",
+      "integrity": "sha1-y99WD9e5r2MlAv7UD5GMFX6pcTc="
+    },
     "type-fest": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",

package.json

@@ -14,6 +14,7 @@
     "express": "^4.17.1",
     "mongodb": "^3.6.3",
     "mongoose": "^5.11.8",
+    "mongoose-id-validator": "^0.6.0",
     "multer": "^1.4.2",
     "mysql": "^2.18.1",
     "nanoid": "^3.1.18"

server.js

 const express = require('express');
-const products = require('./app/products');
 const cors = require('cors');
 const config = require('./app/config');
 const mongoose = require('mongoose');
+const products = require('./app/products');
+const categories = require('./app/categories');
 const app = express();
 const port = 8000;
 
@@ -21,6 +22,7 @@ const run = async () => {
     await mongoose.connect("mongodb://localhost/shop", {useNewUrlParser: true});
 
     app.use('/products', products());
+    app.use('/categories', categories());
     app.listen(port, () => {
         console.log(`Server started on port ${port}`)
     });