completed assignment task_list_server

09-node-express-server/task-list-http-server/server.js

@@ -1,19 +1,20 @@
-const express = require('express')
-const app = express()
+const express = require("express");
+const app = express();
 
-/** 
- * Imagine there is a list of tasks like this: 
- *  1. Enroll to Scaler 
+app.use(express.json({ extended: true }));
+/**
+ * Imagine there is a list of tasks like this:
+ *  1. Enroll to Scaler
  *  2. Learn Node.js
  *  3. Learn React.js
  *  4. Get a job
  *  5. Get a girlfriend/boyfriend
- *  
+ *
  */
 
 /**
  * When GET request is sent to 127.0.0.1:4114/tasks,
- * response will be 
+ * response will be
  *      [
  *         'Enroll to Scaler',
  *         'Learn Node.js',
@@ -22,41 +23,58 @@ const app = express()
  *         'Get a girlfriend/boyfriend'
  *      ]
  */
-app.get('/tasks', (req, res) => {
 
-})
+var taskList = {
+  1: "Enroll to Scaler",
+  2: "Learn Node.js",
+  3: "Learn React.js",
+  4: "Get a job",
+  5: "Get a girlfriend/boyfriend",
+};
+app.get("/tasks", (req, res) => {
+  res.send(Object.values(taskList));
+});
 
 /**
  * If GET request is sent to 127.0.0.1:4114/tasks/1,
- * Then response will be 
- * 
+ * Then response will be
+ *
  *     'Enroll to Scaler'
- * 
+ *
  * If GET request is sent to 127.0.0.1:4114/tasks/2
  * Then response will be
- * 
+ *
  *    'Learn Node.js'
  */
 
-app.get('/tasks/:id', (req, res) => {
-
-    // BONUS: figure out how `:id` part works 
-})
+app.get("/tasks/:id", (req, res) => {
+  // BONUS: figure out how `:id` part works
+  if (req.params.id in taskList) {
+    res.send(taskList[req.params.id]);
+  } else {
+    res.send("Task not found");
+  }
+});
 
 /**
  * When POST request is sent to 127.0.0.1:4114/tasks,
  * with the body:
- *          { "task": "Complete NodeJS Assignment" } 
- * 
+ *          { "task": "Complete NodeJS Assignment" }
+ *
  * Then a new task will be added to the list.
- *   
+ *
  *   6. Complete NodeJS Assignment
  */
 
-app.post('/tasks', (req, res) => {
-
-})
+app.post("/tasks", (req, res) => {
+  if (req.body.task == undefined) {
+    res.send("Please add a body to add a task. The format should be {\"task\": \"task name\"}");
+  } else {
+    taskList[Object.keys(taskList).length + 1] = req.body.task;
+    res.send("A new task " + req.body.task + " has been added to the list");
+  }
+});
 
 app.listen(4114, () => {
-    console.log('server started on http://127.0.0.1:4114')
-})
+  console.log("server started on http://127.0.0.1:4114");
+});