tientp-floware/get-started.html

## get-started.html
<!--
Copyright 2018 Google LLC

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!-- [START gmail_quickstart] -->
<!DOCTYPE html>
<html>
  <head>
    <title>Gmail API Quickstart</title>
    <meta charset="utf-8" />
  </head>
  <body>
    <p>Gmail 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" style="white-space: pre-wrap;"></pre>

    <script type="text/javascript">
      // Client ID and API key from the Developer Console
      var CLIENT_ID = '401506789792-f1v4e67mm2mt4u4ekheh5867789dhf9v.apps.googleusercontent.com';
      var API_KEY = 'aS6mKWmTAvgXf4y9EsQdGau-';

      // Array of API discovery doc URLs for APIs used by the quickstart
      var DISCOVERY_DOCS = ["https://www.googleapis.com/discovery/v1/apis/gmail/v1/rest"];

      // Authorization scopes required by the API; multiple scopes can be
      // included, separated by spaces.
      var SCOPES = 'https://www.googleapis.com/auth/gmail.readonly https://www.googleapis.com/auth/gmail.metadata';

      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({
          apiKey: API_KEY,
          clientId: CLIENT_ID,
          discoveryDocs: DISCOVERY_DOCS,
          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;
        }, function(error) {
          appendPre(JSON.stringify(error, null, 2));
        });
      }

      /**
       *  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';
          appendPre('Token info:');
          appendPre(JSON.stringify(gapi.auth2.getAuthInstance().currentUser.get().getAuthResponse()));
          listLabels();
          listEmails();
        } 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);
      }

      function listEmails() {
        gapi.client.gmail.users.messages.list({
          'userId': 'me'
        }).then(function(response) {
          var messages = response.result.messages;

          appendPre('Messages List:');
          batchReqMail(messages);

          if (messages && messages.length > 0) {
            for (i = 0; i < messages.length; i++) {
              var message = messages[i];
              appendPre(`id: ${message.id} - threadId: ${message.threadId}`);
            }
          } else {
            appendPre('No Labels found.');
          }

        });
      }

      /**
       * Print all Labels in the authorized user's inbox. If no labels
       * are found an appropriate message is printed.
       */
      function listLabels() {
        gapi.client.gmail.users.labels.list({
          'userId': 'me'
        }).then(function(response) {
          var labels = response.result.labels;
          appendPre('Labels:');

          if (labels && labels.length > 0) {
            for (i = 0; i < labels.length; i++) {
              var label = labels[i];
              appendPre(label.name)
            }
          } else {
            appendPre('No Labels found.');
          }
        });
      }

      /*
      * Batch
      */

      function batchReqMail(listMgs = []) {
          let batch = gapi.client.newBatch();
          listMgs.forEach(mgs => {
            batch.add(gapi.client.gmail.users.messages.get({
              'userId': 'me',
              'id': mgs.id,
              'format': 'METADATA'
            }))
          });
          batch.then(resp => {
            console.log('batch mail >>> ', resp);
          })
        }


    </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>
<!-- [END gmail_quickstart] -->
	<!--
	Copyright 2018 Google LLC

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

	https://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
	-->
	<!-- [START gmail_quickstart] -->
	<!DOCTYPE html>
	<html>
	<head>
	<title>Gmail API Quickstart</title>
	<meta charset="utf-8" />
	</head>
	<body>
	<p>Gmail 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" style="white-space: pre-wrap;"></pre>

	<script type="text/javascript">
	// Client ID and API key from the Developer Console
	var CLIENT_ID = '401506789792-f1v4e67mm2mt4u4ekheh5867789dhf9v.apps.googleusercontent.com';
	var API_KEY = 'aS6mKWmTAvgXf4y9EsQdGau-';

	// Array of API discovery doc URLs for APIs used by the quickstart
	var DISCOVERY_DOCS = ["https://www.googleapis.com/discovery/v1/apis/gmail/v1/rest"];

	// Authorization scopes required by the API; multiple scopes can be
	// included, separated by spaces.
	var SCOPES = 'https://www.googleapis.com/auth/gmail.readonly https://www.googleapis.com/auth/gmail.metadata';

	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({
	apiKey: API_KEY,
	clientId: CLIENT_ID,
	discoveryDocs: DISCOVERY_DOCS,
	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;
	}, function(error) {
	appendPre(JSON.stringify(error, null, 2));
	});
	}

	/**
	* 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';
	appendPre('Token info:');
	appendPre(JSON.stringify(gapi.auth2.getAuthInstance().currentUser.get().getAuthResponse()));
	listLabels();
	listEmails();
	} 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);
	}

	function listEmails() {
	gapi.client.gmail.users.messages.list({
	'userId': 'me'
	}).then(function(response) {
	var messages = response.result.messages;

	appendPre('Messages List:');
	batchReqMail(messages);

	if (messages && messages.length > 0) {
	for (i = 0; i < messages.length; i++) {
	var message = messages[i];
	appendPre(`id: ${message.id} - threadId: ${message.threadId}`);
	}
	} else {
	appendPre('No Labels found.');
	}

	});
	}

	/**
	* Print all Labels in the authorized user's inbox. If no labels
	* are found an appropriate message is printed.
	*/
	function listLabels() {
	gapi.client.gmail.users.labels.list({
	'userId': 'me'
	}).then(function(response) {
	var labels = response.result.labels;
	appendPre('Labels:');

	if (labels && labels.length > 0) {
	for (i = 0; i < labels.length; i++) {
	var label = labels[i];
	appendPre(label.name)
	}
	} else {
	appendPre('No Labels found.');
	}
	});
	}

	/*
	* Batch
	*/

	function batchReqMail(listMgs = []) {
	let batch = gapi.client.newBatch();
	listMgs.forEach(mgs => {
	batch.add(gapi.client.gmail.users.messages.get({
	'userId': 'me',
	'id': mgs.id,
	'format': 'METADATA'
	}))
	});
	batch.then(resp => {
	console.log('batch mail >>> ', resp);
	})
	}


	</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>
	<!-- [END gmail_quickstart] -->