add some changes

API-Project/package-lock.json

@@ -11,6 +11,7 @@
       "dependencies": {
         "@types/express": "^4.17.21",
         "@types/morgan": "^1.9.9",
+        "cors": "^2.8.5",
         "express": "^4.18.2",
         "morgan": "^1.10.0",
         "nodemon": "^3.0.1",
@@ -20,6 +21,7 @@
         "typescript": "^5.2.2"
       },
       "devDependencies": {
+        "@types/cors": "^2.8.17",
         "@types/jest": "^29.5.8",
         "@types/pg": "^8.10.9",
         "jest": "^29.7.0",
@@ -1244,6 +1246,15 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/cors": {
+      "version": "2.8.17",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.17.tgz",
+      "integrity": "sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/express": {
       "version": "4.17.21",
       "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.21.tgz",
@@ -2100,6 +2111,18 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
     },
+    "node_modules/cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
     "node_modules/create-jest": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/create-jest/-/create-jest-29.7.0.tgz",

API-Project/package.json

@@ -14,6 +14,7 @@
   "dependencies": {
     "@types/express": "^4.17.21",
     "@types/morgan": "^1.9.9",
+    "cors": "^2.8.5",
     "express": "^4.18.2",
     "morgan": "^1.10.0",
     "nodemon": "^3.0.1",
@@ -23,11 +24,10 @@
     "typescript": "^5.2.2"
   },
   "devDependencies": {
-
-    "@types/pg": "^8.10.9",
+    "@types/cors": "^2.8.17",
     "@types/jest": "^29.5.8",
+    "@types/pg": "^8.10.9",
     "jest": "^29.7.0",
     "ts-jest": "^29.1.1"
-
   }
 }

API-Project/src/controllers/ingredients.controller.ts

@@ -2,29 +2,58 @@ import { Request, Response, NextFunction } from "express";
 import { Router } from "express";
 import { Exceptions } from "../utils/exception";
 import { IIngredient, Ingredient } from "../types/ingredients";
-import { pool } from "../database/connection";
-import { Query, QueryResult } from "pg";
 import { IngredientsGateway } from "../gateways/ingredients.gateway";
 
-
 const IngredientsController = Router()
 
 const ingredient_gw = new IngredientsGateway()
 
-/** To get all ingredients */
-IngredientsController.get('/', async (req, res) => {
+
+IngredientsController.get('/filter/:prompt', async (req, res) => {
+    const letter = req.params.prompt;
+
+        if (!letter) {
+            throw new Exceptions.BadRequestException('prompt is invalid!');
+        }
+
     try {
-        const ingredients = await ingredient_gw.getAll()
+        const ingredient = await ingredient_gw.filter(letter);
 
-        res.status(200).json(ingredients)
+        if (ingredient == null) {
+            res.status(404).send('Not found');
+        } else {
+            res.status(200).json(ingredient);
+        }
     } catch (error) {
         const error_error = error as Error
-        res.status(500).send(error_error.message)
+        res.status(500).send(error_error.message);
     }
-})
+});
+
+IngredientsController.get('/letter/:letter', async (req, res) => {
+    const letter = req.params.letter;
+
+        if (!letter) {
+            throw new Exceptions.BadRequestException('Letter is invalid!');
+        }
+
+    try {
+        const ingredient = await ingredient_gw.getByLetter(letter);
+
+        if (ingredient == null) {
+            res.status(404).send('Not found');
+        } else {
+            res.status(200).json(ingredient);
+        }
+    } catch (error) {
+        const error_error = error as Error
+        res.status(500).send(error_error.message);
+    }
+});
 
 /** To get one ingredient by id */
 IngredientsController.get('/:id', async (req, res) => {
+    console
     const id = Number(req.params.id);
 
     if (!Number.isInteger(id)) {
@@ -39,7 +68,6 @@ IngredientsController.get('/:id', async (req, res) => {
         }
         else {
             const ingredient_ingredient = ingredient as Ingredient
-
             res.status(200).json(ingredient)
         }
     } catch (error) {
@@ -48,4 +76,15 @@ IngredientsController.get('/:id', async (req, res) => {
     }
 })
 
+IngredientsController.get('/', async (req, res) => {
+    try {
+        const ingredients = await ingredient_gw.getAll()
+
+        res.status(200).json(ingredients)
+    } catch (error) {
+        const error_error = error as Error
+        res.status(500).send(error_error.message)
+    }
+})
+
 export { IngredientsController }

API-Project/src/gateways/ingredients.gateway.ts

@@ -57,7 +57,6 @@ export class IngredientsGateway {
             return null;
         }
 
-    
         const ingredients = res.rows.map(row => ({
             name: row.name,
             id: Number(row.id), // Conversion de l'identifiant en nombre
@@ -67,4 +66,56 @@ export class IngredientsGateway {
         return ingredients as Ingredient[];
     }
 
+    async getByLetter(letter: string): Promise<any> {
+        this.connection.connect();
+        
+        const query = {
+            text: 'SELECT * FROM Ingredients i WHERE LOWER(SUBSTRING(i.name, 1, 1)) = $1',
+            values: [letter.toLowerCase()],
+        };
+        
+        const res = await this.connection.client.query(query);
+        console.log(res)
+        
+        if (res.rowCount === 0) {
+            return null;
+        }
+        
+        let ingredients: Ingredient[] = [];
+    
+        for (const row of res.rows) {
+            const ingredient: Ingredient = new Ingredient(Number(row.id), row.name);
+            ingredients.push(ingredient);
+        }
+    
+        return ingredients;
+    }
+
+    async filter(prompt: string): Promise<any> {
+        this.connection.connect();
+        
+        const query = {
+            text: 'SELECT * FROM Ingredients WHERE LOWER(name) LIKE $1',
+            values: [`%${prompt.toLowerCase()}%`],
+        };
+        
+        const res = await this.connection.client.query(query);
+        console.log(res)
+        
+        if (res.rowCount === 0) {
+            return null;
+        }
+        
+        let ingredients: Ingredient[] = [];
+    
+        for (const row of res.rows) {
+            const ingredient: Ingredient = new Ingredient(Number(row.id), row.name);
+            ingredients.push(ingredient);
+        }
+    
+        return ingredients;
+    }
+    
+    
+
 }

API-Project/src/server.ts

@@ -1,18 +1,24 @@
 import express from "express";
+import cors from "cors";
 import { IngredientsController } from "./controllers/ingredients.controller";
 import { RecipesController } from "./controllers/recipes.controller";
 import { StepsController } from "./controllers/steps.controller";
 
 const app = express();
 
+// Configuration du middleware CORS pour autoriser toutes les origines
+app.use(cors({
+  origin: '*',
+}));
+
 app.get('/', (req, res) => {
-    res.send('Hello from express and typescript !');
+    res.json({ message: 'Hello from express and typescript!' });
 });
 
 app.use('/ingredients', IngredientsController);
 app.use('/recipes', RecipesController);
-app.use('/steps', StepsController)
+app.use('/steps', StepsController);
 
 const port = process.env.PORT || 3000;
 
-app.listen(port, () => console.log(`App listenning on PORT ${port}`));
+app.listen(port, () => console.log(`App listening on PORT ${port}`));