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1'use strict';
2
3const express = require('express');
4const bodyParser = require('body-parser');
5const ZaloOA = require('zalo-sdk').ZaloOA;
6const BaseBot = require('botmaster').BaseBot;
7
8class ZaloBot extends BaseBot {
9    /**
10       * Constructor to the ZaloBot class
11       *
12       * @param {object} settings - ZaloBot take a settings
13       * object as first param.
14       * @example
15       * // single page bot
16       * const ZaloBot = new ZaloBot({ 
17       *     oaId: 'YOUR OA ID',
18       *     oaSecret: 'YOUR OA Secret'
19       *   webhookEndpoint: 'someEndpoint'
20       * })
21       */
22
23    constructor(settings) {
24        super(settings);
25        this.type = 'zalo';
26        this.requiresWebhook = true;
27        this.webhookEndpoint = settings.webhookEndpoint;
28        
29        const zaConfig = {
30            oaid: settings.oaId,
31            secretkey: settings.oaSecret
32        }
33        this.zaloOA = new ZaloOA(zaConfig);
34       
35
36        this.receives = {
37            text: true,
38            attachment: {
39              audio: true,
40              file: true,
41              image: true,
42              video: true,
43              location: true,
44              fallback: true,
45            },
46            echo: true,
47            read: true,
48            delivery: true,
49            postback: true,
50            quickReply: true,
51          };
52      
53          this.sends = {
54            text: true,
55            quickReply: true,
56            locationQuickReply: true,
57            senderAction: {
58              typingOn: true,
59              typingOff: true,
60              markSeen: true,
61            },
62            attachment: {
63              audio: true,
64              file: true,
65              image: true,
66              video: true,
67            },
68          };
69
70          this.retrievesUserInfo = true;
71
72        this.__createMountPoints();
73    }
74
75    /**
76   * @ignore
77   * sets up the app. that will be mounted onto a botmaster object
78   * Note how neither of the declared routes uses webhookEndpoint.
79   * This is because I can now count on botmaster to make sure that requests
80   * meant to go to this bot are indeed routed to this bot. Otherwise,
81   * I can also use the full path: i.e. `${this.type}/${this.webhookEndpoint}`.
82   */
83  __createMountPoints() {
84    this.app = express();
85    this.requestListener = this.app;
86  }
87
88    /**
89     * @ignore
90     * see botmaster's BaseBot #getUserInfo
91     *
92     * @param {string} userId id of the user whose information is requested
93  */
94    async __getUserInfo(userId) {
95        if(!userId) { 
96          console.log('Error: You must provide userId');
97          return null;
98        }
99        const response = await this.zaloOA.api('getprofile', { uid: userId });
100        const profile = response.data;
101        return profile;
102    }
103
104    async sendTextMessageTo(text, recipientId, sendOptions) {
105      try {
106        await this.zaloOA.api('sendmessage/text', 'POST', { uid: recipientId, message: text });
107        return true;
108      } catch(error){
109        Console.log('Error:' , error);
110        return false;
111      }
112    }
113}
114
115module.exports = ZaloBot;