mongodb

api/crud.js

@@ -1,18 +1,33 @@
 let people = [{name: 'Patrick'}, {name: 'Sandy'}, {name: 'Bob'}]
 
 module.exports = function (req, res) {
-  if (req.method === 'GET') {
-    res.status(200).json(people);
-  } else if (req.method === 'POST') {
-    people.push(req.body)
-    res.status(200).json(people)
-  } else if (req.method === 'PUT') {
-    const {person, index} = req.body;
-    people[index] = person;
-    res.status(200).json(people)
-  } else if (req.method === 'DELETE') {
-    const {index} = req.body;
-    people = people.filter((_, i) => i !== index);
-    res.status(200).json(people)
-  }
-};
+    if (req.method === 'GET') {
+      res.status(200).json(people);
+    } else if (req.method === 'POST') {
+      people.push(req.body)
+      res.status(200).json(people)
+    } else if (req.method === 'PUT') {
+      const {person, index} = req.body;
+      people[index] = person;
+      res.status(200).json(people)
+    } else if (req.method === 'DELETE') {
+      const {index} = req.body;
+      people = people.filter(function(_, i) { return i !== index });
+      res.status(200).json(people)
+    }
+  };
+
+/* To integrate with MongoDB..
+ 1. On MongoDB site, Create..
+ - Account
+ - Cluster
+ - Database Access User
+ - Network Access
+2. Copy URI from MongoDB site and then..
+  - Add as Env variable
+3. Setup API!
+  - npm install mongoose
+  - create schema
+  - connect to database with URI
+  - write CRUD functions
+*/ 

api/newcrud.js

@@ -0,0 +1,50 @@
+const mongoose = require('mongoose');
+
+const uri = process.env.DB_URI
+
+const personSchema = new mongoose.Schema({
+    name: String,
+    age: Number
+})
+
+const Person = mongoose.model(
+    'Person',
+    personSchema,
+    'People'
+)
+
+mongoose.connect(
+    uri, 
+    {useNewUrlParser: true, useUnifiedTopology: true, useFindAndModify: false}, 
+    function(error) { if (error) console.log("Error!" + error); }
+); 
+
+module.exports = function (req, res) {
+  if (req.method === 'GET') {
+    Person.find()
+        .then(people => {
+            res.status(200).json(people);
+        })
+        .catch((error) => res.status(500).json(error.message))
+  } else if (req.method === 'POST') {
+    const newPerson = new Person(req.body);
+    newPerson.save()
+        .then(newPerson => {
+            res.status(200).json(newPerson)
+        })
+        .catch((error) => res.status(500).json(error.message))
+  } else if (req.method === 'PUT') {
+    const {person, _id} = req.body;
+    Person.findByIdAndUpdate(_id, person, {returnOriginal: false})
+        .then(updatedPerson => {
+            res.status(200).json(updatedPerson)
+        })
+        .catch((error) => res.status(500).json(error.message))
+  } else if (req.method === 'DELETE') {
+    const {_id} = req.body;
+    Person.findByIdAndDelete(_id)
+        .then(deletedPerson => {
+            res.status(200).json(deletedPerson)
+        }).catch((error) => res.status(500).json(error.message))
+    }
+};