Jordan Soh Wee Pin recipe app

index.js

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+const jsonfile = require('jsonfile');
+const express = require('express');
+const app = express();
+
+
+//Views code
+const reactEngine = require('express-react-views').createEngine();
+app.engine('jsx', reactEngine);
+
+app.set('views', __dirname + '/views');
+
+app.set('view engine', 'jsx');
+
+//file name
+const file = 'recipe.json';
+
+// tell your app to use the module
+//need this for request.body
+app.use(express.json());
+app.use(express.urlencoded({
+  extended: true
+}));
+
+//METHOD OVERWRITE
+const methodOverride = require('method-override')
+app.use(methodOverride('_method'));
+
+//*******************
+//FUNCTIONS
+//*******************
+const saveRecipe = (request, response) =>{
+  //your inputs
+   // console.log(request.body);
+   jsonfile.readFile(file, (err, obj)=>{
+    //if there's any error
+    if(err){
+        response.send(err);
+        return;
+    }
+    const recipes = obj.recipes;
+    //add user input to the json file
+    recipes.push(request.body);
+    //save to the json file
+    jsonfile.writeFile(file, obj, (err) => {
+        const link ='/recipes/'+ recipes.length;
+        //render recipe after adding
+        response.redirect(link);
+    })
+  });
+}
+
+//*******************
+//ROUTES
+//*******************
+//******redirect to recipes
+app.get('/',(request, response)=>{
+    response.redirect('/recipes');
+})
+
+//***** Display a list of all recipes ******
+app.get('/recipes',(request, response)=>{
+    jsonfile.readFile(file, (err,obj)=>{
+        const data = {
+            recipes: obj.recipes
+        }
+        response.render("home", data);
+    })
+})
+
+//***** Display a form for adding new recipes ******
+app.get('/recipes/new',(request, response)=>{
+    response.render('add');
+})
+
+//***** Display a form for adding new recipes ******
+app.get('/recipes/:id',(request, response)=>{
+    jsonfile.readFile(file, (err,obj)=>{
+        const recipeId = parseInt(request.params.id);
+        const index = recipeId-1;
+        const data = {
+                id: recipeId,
+                recipeName: obj.recipes[index].name,
+                ingredients: obj.recipes[index].ingredients,
+                instructions: obj.recipes[index].instructions
+            }
+        response.render('show', data);
+    });
+})
+
+//***** Display recipe ******
+app.get('/recipes/:id',(request, response)=>{
+    jsonfile.readFile(file, (err,obj)=>{
+        const index = parseInt(request.params.id);
+        const data = {
+                id: index,
+                recipeName: obj.recipes[index-1].name,
+                ingredients: obj.recipes[index-1].ingredients,
+                instructions: obj.recipes[index-1].instructions
+            }
+        response.render('show', data);
+    });
+})
+
+//***** Display edit form*****
+app.get('/recipes/:id/edit', (request,response)=>{
+    //read file
+    jsonfile.readFile(file, (err,obj)=>{
+        const index = parseInt(request.params.id)-1;
+        const data = {
+            id : index + 1,
+            recipeName: obj.recipes[index-1].name,
+            ingredients: obj.recipes[index].ingredients,
+            instructions: obj.recipes[index].instructions
+        }
+        response.render('edit', data);
+    });
+})
+
+//*****Accept request for a adding new recipe ******
+app.post('/recipes', saveRecipe);
+//Accepts a request for the new data for recipe
+app.put('/recipes/:id', (request,response)=>{
+    jsonfile.readFile(file, (err,obj)=>{
+        const index = parseInt(request.params.id)-1;
+        obj.recipes[index]= request.body
+        jsonfile.writeFile(file,obj, (err)=>{
+        const link = "/recipes/"+ (index+1);
+        response.redirect(link);
+        })
+    });
+})
+
+//Accepts a request to delete
+app.delete('/recipes/:id', (request,response)=>{
+    jsonfile.readFile(file, (err,obj)=>{
+        const index = parseInt(request.params.id)-1;
+        obj.recipes.splice(index, 1);
+        jsonfile.writeFile(file, obj, (err)=>{
+            response.redirect('/recipes');
+        });
+    })
+})
+
+//*******************
+//LISTENING ON PORT 3000
+//*******************
+app.listen(3000, () => console.log('~~~ Tuning in to the waves of port 3000 ~~~'));