แอป Chat ของคุณจะแสดงตัวอย่างลิงก์ได้โดยแนบการ์ดไปกับข้อความเพื่อให้ข้อมูลเพิ่มเติมและให้ผู้ใช้ดำเนินการจาก Google Chat ได้โดยตรง เพื่อป้องกันไม่ให้ผู้ใช้เปลี่ยนบริบทเมื่อผู้ใช้แชร์ลิงก์ใน Google Chat
/**
* Responds to messages that have links whose URLs match URL patterns
* configured for link previewing.
*
* @param {Object} req Request sent from Google Chat.
* @param {Object} res Response to send back.
*/
exports.onMessage = (req, res) => {
if (req.method === 'GET' || !req.body.message) {
return res.send(
'Hello! This function is meant to be used in a Google Chat Space.');
}
// Checks for the presence of event.message.matchedUrl and responds with a
// text message if present
if (req.body.message.matchedUrl) {
return res.json({
'text': 'req.body.message.matchedUrl.url: ' +
req.body.message.matchedUrl.url,
});
}
// If the Chat app doesn’t detect a link preview URL pattern, it says so.
return res.json({'text': 'No matchedUrl detected.'});
};
/**
* Responds to messages that have links whose URLs match URL patterns
* configured for link previewing.
*
* @param {Object} event The event object from Chat API.
*
* @return {Object} Response from the Chat app attached to the message with
* the previewed link.
*/
function onMessage(event) {
// Checks for the presence of event.message.matchedUrl and responds with a
// text message if present
if (event.message.matchedUrl) {
return {
'text': 'event.message.matchedUrl.url: ' + event.message.matchedUrl.url,
};
}
// If the Chat app doesn’t detect a link preview URL pattern, it says so.
return {'text': 'No matchedUrl detected.'};
}
/**
* Responds to messages that have links whose URLs match URL patterns
* configured for link previewing.
*
* @param {Object} req Request sent from Google Chat.
* @param {Object} res Response to send back.
*/
exports.onMessage = (req, res) => {
if (req.method === 'GET' || !req.body.message) {
return res.send(
'Hello! This function is meant to be used in a Google Chat Space.');
}
// Respond to button clicks on attached cards
if (req.body.type === 'CARD_CLICKED') {
// Checks for the presence of "actionMethodName": "assign" and sets
// actionResponse.type to "UPDATE_USER"MESSAGE_CARDS" if present or
// "UPDATE_MESSAGE" if absent.
const actionResponseType = req.body.action.actionMethodName === 'assign' ?
'UPDATE_USER_MESSAGE_CARDS' :
'UPDATE_MESSAGE';
if (req.body.action.actionMethodName === 'assign') {
return res.json({
'actionResponse': {
// Dynamically returns the correct actionResponse type.
'type': actionResponseType,
},
// Preview card details
'cardsV2': [{}],
});
}
}
};
/**
* Updates a card that was attached to a message with a previewed link.
*
* @param {Object} event The event object from Chat API.
* @return {Object} Response from the Chat app. Either a new card attached to
* the message with the previewed link, or an update to an existing card.
*/
function onCardClick(event) {
// Checks for the presence of "actionMethodName": "assign" and sets
// actionResponse.type to "UPDATE_USER"MESSAGE_CARDS" if present or
// "UPDATE_MESSAGE" if absent.
const actionResponseType = event.action.actionMethodName === 'assign' ?
'UPDATE_USER_MESSAGE_CARDS' :
'UPDATE_MESSAGE';
if (event.action.actionMethodName === 'assign') {
return assignCase(actionResponseType);
}
}
/**
* Updates a card to say that "You" are the assignee after clicking the Assign
* to Me button.
*
* @param {String} actionResponseType Which actionResponse the Chat app should
* use to update the attached card based on who created the message.
* @return {Object} Response from the Chat app. Updates the card attached to
* the message with the previewed link.
*/
function assignCase(actionResponseType) {
return {
'actionResponse': {
// Dynamically returns the correct actionResponse type.
'type': actionResponseType,
},
// Preview card details
'cardsV2': [{}],
};
}
/**
* Responds to messages that have links whose URLs match URL patterns
* configured for link previewing.
*
* @param {Object} req Request sent from Google Chat.
* @param {Object} res Response to send back.
*/
exports.onMessage = (req, res) => {
if (req.method === 'GET' || !req.body.message) {
return res.send(
'Hello! This function is meant to be used in a Google Chat Space.');
}
// Respond to button clicks on attached cards
if (req.body.type === 'CARD_CLICKED') {
// Checks whether the message event originated from a human or a Chat app
// and sets actionResponse.type to "UPDATE_USER_MESSAGE_CARDS if human or
// "UPDATE_MESSAGE" if Chat app.
const actionResponseType = req.body.action.actionMethodName === 'HUMAN' ?
'UPDATE_USER_MESSAGE_CARDS' :
'UPDATE_MESSAGE';
return res.json({
'actionResponse': {
// Dynamically returns the correct actionResponse type.
'type': actionResponseType,
},
// Preview card details
'cardsV2': [{}],
});
}
};
/**
* Updates a card that was attached to a message with a previewed link.
*
* @param {Object} event The event object from Chat API.
* @return {Object} Response from the Chat app. Either a new card attached to
* the message with the previewed link, or an update to an existing card.
*/
function onCardClick(event) {
// Checks whether the message event originated from a human or a Chat app
// and sets actionResponse.type to "UPDATE_USER_MESSAGE_CARDS if human or
// "UPDATE_MESSAGE" if Chat app.
const actionResponseType = event.message.sender.type === 'HUMAN' ?
'UPDATE_USER_MESSAGE_CARDS' :
'UPDATE_MESSAGE';
return assignCase(actionResponseType);
}
/**
* Updates a card to say that "You" are the assignee after clicking the Assign
* to Me button.
*
* @param {String} actionResponseType Which actionResponse the Chat app should
* use to update the attached card based on who created the message.
* @return {Object} Response from the Chat app. Updates the card attached to
* the message with the previewed link.
*/
function assignCase(actionResponseType) {
return {
'actionResponse': {
// Dynamically returns the correct actionResponse type.
'type': actionResponseType,
},
// Preview card details
'cardsV2': [{}],
};
}
