express ajax todo

championswimmer · championswimmer · commit 591dad92d174 · 2019-10-15T22:20:39.000+05:30
Signed-off-by: Arnav Gupta &lt;arnav@codingblocks.com&gt;
diff --git a/Lecture14/express-ajax/express-ajax-todo/public/index.html b/Lecture14/express-ajax/express-ajax-todo/public/index.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta http-equiv="X-UA-Compatible" content="ie=edge">
+  <title>Document</title>
+  <script defer src="./todo-frontend.js"></script>
+</head>
+<body>
+  <h1>Todo List</h1>
+
+  <input id="newtask">
+  <button id="add">ADD</button>
+  <ul id="tasklist"></ul>
+
+</body>
+</html>
diff --git a/Lecture14/express-ajax/express-ajax-todo/public/todo-frontend.js b/Lecture14/express-ajax/express-ajax-todo/public/todo-frontend.js
@@ -0,0 +1,46 @@
+let newtask = document.getElementById('newtask')
+let add = document.getElementById('add')
+let tasklist = document.getElementById('tasklist')
+
+async function getTasks() {
+  const resp = await fetch('/todos')
+  const todos = await resp.json()
+  return todos
+}
+
+async function addTask(taskName) {
+  const resp = await fetch('/todos', {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({
+      name: taskName,
+    }),
+  })
+  const data = await resp.json()
+
+  if (resp.status == 201) {
+    window.alert('Todo ' + data.todoId + ' added')
+  } else {
+    window.alert(data.message)
+  }
+}
+
+async function renderList() {
+  tasklist.innerHTML = ''
+  const todos = await getTasks()
+  for (let t of todos) {
+    let item = document.createElement('li')
+    item.innerText = t.name
+    tasklist.appendChild(item)
+  }
+}
+
+add.onclick = async function() {
+  await addTask(newtask.value)
+  renderList()
+}
+
+
+renderList()
diff --git a/Lecture14/express-ajax/express-ajax-todo/server.js b/Lecture14/express-ajax/express-ajax-todo/server.js
@@ -6,6 +6,7 @@ app.use(express.urlencoded({extended: true}))
 
 app.use('/todos', require('./routes/todos'))
 
+app.use(express.static(__dirname + '/public'))
 
 app.listen(8665, () => {
   console.log('http://localhost:8665')
