common.php

   1 <?php declare(strict_types=1);
   2
   3 namespace Common;
   4
   5 require 'vendor/autoload.php';
   6 require 'Commands/MyBills.php';
   7 require '../../config.php';
   8
   9 use Telegram\Bot\Api;
  10 use DateTimeImmutable;
  11
  12 function getTelegram() {
  13     STATIC $tg;
  14     return $tg = $tg ?? new \Telegram\Bot\Api(BOT_TOKEN);
  15 }
  16
  17 function splitBill($amount) {
  18     return floor($amount/2);
  19 }
  20
  21 function identity($x) {
  22     return $x;
  23 }
  24
  25 function getMessageSender($update) {
  26     return PARTICIPANT_IDS[$update->get('message')->get('from')->get('id')];
  27 }
  28
  29 function getMessageSenderDisplayName($update) {
  30     return $update->get('message')->get('from')->get('first_name');
  31 }
  32
  33 function canChatWith($update) {
  34     return in_array($update->get('message')->get('from')->get('id'), array_keys(PARTICIPANT_IDS));
  35 }
  36
  37 function debug($whatever) {
  38     echo '<pre>';
  39     print_r($whatever);
  40     echo '</pre>';
  41 }
  42
  43 function getInbox($inbox) {
  44     STATIC $inboxes;
  45
  46     if (!isset($inboxes[$inbox])) {
  47         $inboxes[$inbox] = imap_open(
  48             '{imap.gmail.com:993/debug/imap/ssl/novalidate-cert}' . $inbox,
  49             EMAIL,
  50             PASSWORD
  51         );
  52     }
  53
  54     return $inboxes[$inbox];
  55 }
  56
  57 function getMessagesFromInbox($inbox, array $rules, $unseenOnly = true) {
  58     return array_filter(
  59         array_map(
  60             function($rule, $service) use ($inbox, $unseenOnly) {
  61                 $emails = imap_search($inbox, ['SEEN ', 'UNSEEN '][$unseenOnly] . $rule['imapQuery'], SE_UID);
  62
  63                 if(!$emails) {
  64                     return [];
  65                 }
  66
  67                 $body = imap_fetchbody($inbox, $emails[0], '1', FT_UID);
  68                 preg_match($rule['regex'], $rule['messageTransform']($body), $matches);
  69
  70                 return [
  71                     'service' => $service,
  72                     'id' => substr(md5($body), 0, 6),
  73                     'uid' => $emails[0],
  74                     'telegramMessage' => $rule['telegramMessage'],
  75                     'due' => new DateTimeImmutable($rule['dateTransform']($matches['due'])),
  76                     'amount' => $matches['amount']
  77                 ];
  78             },
  79             $rules,
  80             array_keys($rules)
  81         ),
  82         function($e) {
  83             return !!$e;
  84         }
  85     );
  86 }