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/** | |
* LINE bot main class | |
*/ | |
class LineBot { | |
/** | |
* Constructor | |
* @param {string} channelId | |
* @param {string} channelSecret | |
* @param {string} accessToken | |
*/ | |
constructor(channelId, channelSecret, accessToken) { | |
this.channelId = channelId; | |
this.channelSecret = channelSecret; | |
this.accessToken = accessToken; | |
this.lineApi = 'https://api.line.me/v2/'; | |
} | |
/** | |
* Handle incoming message | |
* @param {object} event | |
*/ | |
handleMessage(event) { | |
var message = event.message; | |
var replyToken = event.replyToken; | |
var userId = event.source.userId; | |
var messageText = message.text; | |
// Handle message | |
var response = this.handleMessageText(messageText, userId); | |
this.replyMessage(replyToken, response); | |
} | |
/** | |
* Handle message text | |
* @param {string} messageText | |
* @param {string} userId | |
* @return {string} | |
*/ | |
handleMessageText(messageText, userId) { | |
// Simple echo bot | |
return messageText; | |
} | |
/** | |
* Reply message | |
* @param {string} replyToken | |
* @param {string} message | |
*/ | |
replyMessage(replyToken, message) { | |
var options = { | |
'method': 'POST', | |
'headers': { | |
'Authorization': 'Bearer ' + this.accessToken, | |
'Content-Type': 'application/json' | |
}, | |
'payload': JSON.stringify({ | |
'replyToken': replyToken, | |
'messages': [{ | |
'type': 'text', | |
'text': message | |
}] | |
}) | |
}; | |
UrlFetch.fetch(this.lineApi + 'messages/reply', options); | |
} | |
} |