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helper.js
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helper.js
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/*jslint node: true */
/*jshint esversion: 6 */
'use strict';
/**
* Builds a constant length string with white space at the end
*
* @param {string|number|boolean} message to send
* @param {number} maxLength into what length message is trimmed to
*
* @returns trimmed string
*/
function getIndentedColMessage(message, maxLength) {
const countValue = maxLength + 1 - message.toString().length;
return '' + message + (' ').repeat(countValue);
}
/**
* Helper
*/
module.exports = {
/**
* Parses command and attributes out of input
* @param {string} message to parse
*
* @returns object containing command name and args
*/
parseCommand(message) {
const tokens = message.split(' ');
if (!tokens[0].match(/^\//)) {
return {name: ''};
}
var c = {};
const cmd = tokens.shift();
const match = cmd.match(/\/(\w*)/);
if (match.length > 0) {
c.args = tokens;
c.name = match[1];
}
return c;
},
/**
* @param {object} event as input
*
* @returns userid of event sender
*/
getEventUserId(event) {
var userId = 0;
if (event.body.message && event.body.message.from) userId = event.body.message.from.id;
return userId;
},
/**
* Creates list type message to show to user
* @param {string} title of message
* @param {string} description of message
* @param {Array} rows to show as list
* @param {Array} cols to show from rows
*
* @returns Listing kind message as string
*/
formatListMessage(title, description, rows, cols) {
let message = '';
if (title.length > 0) {
message = `<strong>${title}</strong>`;
}
if (description && description.length > 0) {
message += `\n\n${description}\n`;
}
message += this.formatTableDataString(rows, cols);
return message;
},
/**
* Creates table from input with custom rows
* @param {Array} rows to put into table
* @param {Array} cols of table
*
* @returns string constisting ASCII-kind of table
*/
formatTableDataString(rows, cols) {
var message = '';
if(rows && rows.length > 0) {
var colLenghts = {};
var header = '';
for (const col of cols) {
var maxLength = col.headerName.length;
for (const row of rows) {
var rowLenght = row[col.colProperty].toString().length;
if (rowLenght > maxLength) maxLength = rowLenght;
}
colLenghts[col.colProperty] = maxLength;
}
message += '\n<pre>';
for (const col of cols) {
header += getIndentedColMessage(col.headerName, colLenghts[col.colProperty]);
}
message += header + '\n';
for (const row of rows) {
var rowString = '';
for (const col of cols) {
rowString += getIndentedColMessage(row[col.colProperty], colLenghts[col.colProperty]);
}
message += rowString + '\n';
}
message += '</pre>';
}
return message;
},
/**
* @param {object} event as input
*
* @returns chat id of event
*/
getEventChatId(event) {
var chatId = 0;
if (event.body.message && event.body.message.chat && event.body.message.chat.id) {
chatId = event.body.message.chat.id;
} else if (event.body.channel_post && event.body.channel_post.chat && event.body.channel_post.chat.id) {
chatId = event.body.channel_post.chat.id;
}
return chatId;
},
/**
* @param {object} event as input
*
* @returns chat title of event
*/
getEventChatTitle(event) {
var title = '';
if (event.body.message && event.body.message.chat && event.body.message.chat.title) {
title = event.body.message.chat.title;
} else if (event.body.message && event.body.message.chat && event.body.message.chat.username) {
title = event.body.message.chat.username;
} else if (event.body.channel_post && event.body.channel_post.chat && event.body.channel_post.chat.title) {
title = event.body.channel_post.chat.title;
}
return title;
},
/**
* @param {Object} event as input
*
* @returns message text of event
*/
getEventMessageText(event) {
var message = '';
if (event.body.channel_post && event.body.channel_post.text) {
message = event.body.channel_post.text;
} else if (event.body.message && event.body.message.text) {
message = event.body.message.text;
}
return message;
},
getSourceString(dataSource) {
switch (dataSource) {
case 'S3':
return '<strong>THL avoin data</strong>';
case 'DB':
default:
return '<strong>HS avoin data</strong>';
}
},
getButtonData(hcds, callbackName, callBackData = []) {
var rs = [];
var commandString = '';
if (callBackData && callBackData.length) commandString = ',' + callBackData.join(',');
for (const hcd of hcds) {
var cbData = `${callbackName},${hcd}${commandString}`;
rs.push({
callback_data: cbData,
text: hcd
});
}
return rs;
},
getEventMessageId(event) {
if (event.body.message) return event.body.message.message_id;
return 0;
},
createKeyboardLayout(keys, columnAmount) {
var keyboard = [];
var col = 0;
var row = 0;
for (let i = 0; i < keys.length; i++) {
if (col === 0) keyboard.push([]);
keyboard[row].push(keys[i]);
if (col === (columnAmount - 1)) row++;
col = (col + 1) % columnAmount;
}
return keyboard;
},
isCallback(event) {
if (!event.body.message && event.body.callback_query) return true;
return false;
},
getCallbackId(event) {
var id = null;
if (event.body.callback_query) id = event.body.callback_query.id;
return id;
},
parseCallbackData(dataString) {
if (!dataString || !dataString.trim()) return [];
return dataString.split(',');
},
getCallbackUserId(event) {
var id = 0;
if (event.body.callback_query && event.body.callback_query.from) id = event.body.callback_query.from.id;
return id;
},
getCallbackData(event) {
var result = "";
if (event.body.callback_query) result = event.body.callback_query.data;
return result;
},
getCallbackReplyId(event) {
var id = 0;
if (event.body.callback_query && event.body.callback_query.message) id = event.body.callback_query.message.message_id;
return id;
},
getCallbackChatId(event) {
var id = 0;
if (event.body.callback_query && event.body.callback_query.message && event.body.callback_query.message.chat) {
id = event.body.callback_query.message.chat.id;
}
return id;
}
};