class Bot constructor token options this token token this _startPath B

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
class Bot{
constructor(token, options){
this.token = token;
this._startPath = Bot._buildStartPath(token);
this.__lastMessageID = null;
this.__updateTime = options && options.updateTime && 1000;
this.__loop = Promise.resolve();
this.__callbacks = [];
this._start();
}
static _buildStartPath(token){
return `https://api.telegram.org/bot${token}`;
}
static __buildMessageInfo(message){
const messageProps = message.edited_message || message.message;
const messageFilteredProps = {
updateID: message.update_id,
messageID: messageProps.message_id,
username: messageProps.from.username,
userID: messageProps.from.id,
date: messageProps.date,
text: messageProps.text,
};
return messageFilteredProps;
}
static __prepareMessages(response, quantity) {
response = response.result.slice(0, quantity);
return response;
}
static _buildPath(startPath, additionalPath = '', options = {}){
if (typeof additionalPath === 'object'){
options = additionalPath;
additionalPath = '';
}
const question = additionalPath.indexOf('?') === -1 ? '?' : '&';
options = Object.entries(options);
additionalPath = options.reduce(
(path, option) => `${path}${option[0]}=${option[1]}&`, `${additionalPath}${question}`
);
return `${startPath}/${additionalPath}`;
}
async _getUpdates(options = {}){
options.offset = this.__lastMessageID;
const
path = Bot._buildPath(this._startPath, 'getUpdates', options),
request = await fetch(path),
response = await request.json();
return response;
}
__isNewMessageAvailable(messages){
const lastID = messages[messages.length - 1].updateID;
if (this.__lastMessageID !== lastID) {
return lastID;
}
return false;
}
__updateLastMessageID(newMessageID){
this.__lastMessageID = newMessageID;
}
onMessage(message, callback){
this.__callbacks.push({message, callback});
}
__applyCallbacks(message){
const filteredCallbacks = this.__callbacks.filter(
callbackObj => callbackObj.message.toLowerCase() === message.toLowerCase()
);
filteredCallbacks.forEach(callbackObj => callbackObj.callback());
}
async getMessages(options = {}){
let quantity,
messages;
options.quantity && (quantity = options.quantity);
delete options.quantity;
try {
const response = await this._getUpdates(options);
messages = Bot.__prepareMessages(response, quantity);
} catch (e) {
console.log(e);
}
return messages.map(Bot.__buildMessageInfo);
}
_start(updateTime = 500, timeToLive = 30000) {
const self = this;
let _cTime = 0;
const I = setInterval(async () => {
const messages = await self.getMessages();
const newMessageID = self.__isNewMessageAvailable(messages);
const newMessage = messages[messages.length - 1].text;
if (newMessageID){
this.__applyCallbacks(newMessage);
self.__updateLastMessageID(newMessageID);
}
if (timeToLive < _cTime + updateTime){
clearInterval(I);
}
}, updateTime);
}
}
const bot = new Bot('872215482:AAEzxIM77DE-yMJlAV74aU_P0tSqh_Joj_w');
bot.onMessage('пока', function() {
document.body.style.display = 'none'
})