From 63ed75eee4031f23b6aaa572d0908f20e3b27f6a Mon Sep 17 00:00:00 2001
From: Sajal Sharma <sajal16.sharma@gmail.com>
Date: Fri, 6 Oct 2017 21:41:48 -0700
Subject: [PATCH] Set up environment

---
 quickstart.html | 137 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 quickstart.html
diff --git a/quickstart.html b/quickstart.html
new file mode 100644
index 0000000..27a1cf5
--- /dev/null
+++ b/quickstart.html
@@ -0,0 +1,137 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Google Calendar API Quickstart</title>
+    <meta charset='utf-8' />
+  </head>
+  <body>
+    <p>Google Calendar API Quickstart</p>
+
+    <!--Add buttons to initiate auth sequence and sign out-->
+    <button id="authorize-button" style="display: none;">Authorize</button>
+    <button id="signout-button" style="display: none;">Sign Out</button>
+
+    <pre id="content"></pre>
+
+    <script type="text/javascript">
+      // Client ID and API key from the Developer Console
+      var CLIENT_ID = '<YOUR_CLIENT_ID>';
+
+      // Array of API discovery doc URLs for APIs used by the quickstart
+      var DISCOVERY_DOCS = ["https://www.googleapis.com/discovery/v1/apis/calendar/v3/rest"];
+
+      // Authorization scopes required by the API; multiple scopes can be
+      // included, separated by spaces.
+      var SCOPES = "https://www.googleapis.com/auth/calendar";
+
+      var authorizeButton = document.getElementById('authorize-button');
+      var signoutButton = document.getElementById('signout-button');
+
+      /**
+       *  On load, called to load the auth2 library and API client library.
+       */
+      function handleClientLoad() {
+        gapi.load('client:auth2', initClient);
+      }
+
+      /**
+       *  Initializes the API client library and sets up sign-in state
+       *  listeners.
+       */
+      function initClient() {
+        gapi.client.init({
+          discoveryDocs: DISCOVERY_DOCS,
+          clientId: CLIENT_ID,
+          scope: SCOPES
+        }).then(function () {
+          // Listen for sign-in state changes.
+          gapi.auth2.getAuthInstance().isSignedIn.listen(updateSigninStatus);
+
+          // Handle the initial sign-in state.
+          updateSigninStatus(gapi.auth2.getAuthInstance().isSignedIn.get());
+          authorizeButton.onclick = handleAuthClick;
+          signoutButton.onclick = handleSignoutClick;
+        });
+      }
+
+      /**
+       *  Called when the signed in status changes, to update the UI
+       *  appropriately. After a sign-in, the API is called.
+       */
+      function updateSigninStatus(isSignedIn) {
+        if (isSignedIn) {
+          authorizeButton.style.display = 'none';
+          signoutButton.style.display = 'block';
+          listUpcomingEvents();
+        } else {
+          authorizeButton.style.display = 'block';
+          signoutButton.style.display = 'none';
+        }
+      }
+
+      /**
+       *  Sign in the user upon button click.
+       */
+      function handleAuthClick(event) {
+        gapi.auth2.getAuthInstance().signIn();
+      }
+
+      /**
+       *  Sign out the user upon button click.
+       */
+      function handleSignoutClick(event) {
+        gapi.auth2.getAuthInstance().signOut();
+      }
+
+      /**
+       * Append a pre element to the body containing the given message
+       * as its text node. Used to display the results of the API call.
+       *
+       * @param {string} message Text to be placed in pre element.
+       */
+      function appendPre(message) {
+        var pre = document.getElementById('content');
+        var textContent = document.createTextNode(message + '\n');
+        pre.appendChild(textContent);
+      }
+
+      /**
+       * Print the summary and start datetime/date of the next ten events in
+       * the authorized user's calendar. If no events are found an
+       * appropriate message is printed.
+       */
+      function listUpcomingEvents() {
+        gapi.client.calendar.events.list({
+          'calendarId': 'primary',
+          'timeMin': (new Date()).toISOString(),
+          'showDeleted': false,
+          'singleEvents': true,
+          'maxResults': 10,
+          'orderBy': 'startTime'
+        }).then(function(response) {
+          var events = response.result.items;
+          appendPre('Upcoming events:');
+
+          if (events.length > 0) {
+            for (i = 0; i < events.length; i++) {
+              var event = events[i];
+              var when = event.start.dateTime;
+              if (!when) {
+                when = event.start.date;
+              }
+              appendPre(event.summary + ' (' + when + ')')
+            }
+          } else {
+            appendPre('No upcoming events found.');
+          }
+        });
+      }
+
+    </script>
+
+    <script async defer src="https://apis.google.com/js/api.js"
+      onload="this.onload=function(){};handleClientLoad()"
+      onreadystatechange="if (this.readyState === 'complete') this.onload()">
+    </script>
+  </body>
+</html>
