src/applications/conpherence/ConpherenceTransactionRenderer.php

   1 <?php
   2
   3 final class ConpherenceTransactionRenderer extends Phobject {
   4
   5   public static function renderTransactions(
   6     PhabricatorUser $user,
   7     ConpherenceThread $conpherence,
   8     $marker_type = 'older') {
   9
  10     $transactions = $conpherence->getTransactions();
  11
  12     $oldest_transaction_id = 0;
  13     $newest_transaction_id = 0;
  14     $too_many = ConpherenceThreadQuery::TRANSACTION_LIMIT + 1;
  15     if (count($transactions) == $too_many) {
  16       if ($marker_type == 'olderandnewer') {
  17         $last_transaction = end($transactions);
  18         $first_transaction = reset($transactions);
  19         unset($transactions[$last_transaction->getID()]);
  20         unset($transactions[$first_transaction->getID()]);
  21         $oldest_transaction_id = $last_transaction->getID();
  22         $newest_transaction_id = $first_transaction->getID();
  23       } else if ($marker_type == 'newer') {
  24         $first_transaction = reset($transactions);
  25         unset($transactions[$first_transaction->getID()]);
  26         $newest_transaction_id = $first_transaction->getID();
  27       } else if ($marker_type == 'older') {
  28         $last_transaction = end($transactions);
  29         unset($transactions[$last_transaction->getID()]);
  30         $oldest_transaction = end($transactions);
  31         $oldest_transaction_id = $oldest_transaction->getID();
  32       }
  33     // we need **at least** the newer marker in this mode even if
  34     // we didn't get a full set of transactions
  35     } else if ($marker_type == 'olderandnewer') {
  36       $first_transaction = reset($transactions);
  37       unset($transactions[$first_transaction->getID()]);
  38       $newest_transaction_id = $first_transaction->getID();
  39     }
  40
  41     $transactions = array_reverse($transactions);
  42     $handles = $conpherence->getHandles();
  43     $rendered_transactions = array();
  44     $engine = id(new PhabricatorMarkupEngine())
  45       ->setViewer($user)
  46       ->setContextObject($conpherence);
  47     foreach ($transactions as $key => $transaction) {
  48       if ($transaction->shouldHide()) {
  49         unset($transactions[$key]);
  50         continue;
  51       }
  52       if ($transaction->getComment()) {
  53         $engine->addObject(
  54           $transaction->getComment(),
  55           PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT);
  56       }
  57     }
  58     $engine->process();
  59     // we're going to insert a dummy date marker transaction for breaks
  60     // between days. some setup required!
  61     $previous_transaction = null;
  62     $date_marker_transaction = id(new ConpherenceTransaction())
  63       ->setTransactionType(
  64         ConpherenceThreadDateMarkerTransaction::TRANSACTIONTYPE)
  65       ->makeEphemeral();
  66     $date_marker_transaction_view = id(new ConpherenceTransactionView())
  67       ->setUser($user)
  68       ->setConpherenceTransaction($date_marker_transaction)
  69       ->setConpherenceThread($conpherence)
  70       ->setHandles($handles)
  71       ->setMarkupEngine($engine);
  72
  73     $transaction_view_template = id(new ConpherenceTransactionView())
  74       ->setUser($user)
  75       ->setConpherenceThread($conpherence)
  76       ->setHandles($handles)
  77       ->setMarkupEngine($engine);
  78
  79     foreach ($transactions as $transaction) {
  80       $collapsed = false;
  81       if ($previous_transaction) {
  82         $previous_day = phabricator_format_local_time(
  83           $previous_transaction->getDateCreated(),
  84           $user,
  85           'Ymd');
  86         $current_day = phabricator_format_local_time(
  87           $transaction->getDateCreated(),
  88           $user,
  89           'Ymd');
  90
  91         // See if same user / time
  92         $previous_author = $previous_transaction->getAuthorPHID();
  93         $current_author = $transaction->getAuthorPHID();
  94         $previous_time = $previous_transaction->getDateCreated();
  95         $current_time = $transaction->getDateCreated();
  96         $previous_type = $previous_transaction->getTransactionType();
  97         $current_type = $transaction->getTransactionType();
  98         if (($previous_author == $current_author) &&
  99           ($previous_type == $current_type)) {
 100             // Group messages within the last x seconds
 101             if (($current_time - $previous_time) < 120) {
 102               $collapsed = true;
 103             }
 104         }
 105
 106         // date marker transaction time!
 107         if ($previous_day != $current_day) {
 108           $date_marker_transaction->setDateCreated(
 109             $transaction->getDateCreated());
 110           $date_marker_transaction->setID($previous_transaction->getID());
 111           $rendered_transactions[] = $date_marker_transaction_view->render();
 112         }
 113       }
 114       $transaction_view = id(clone $transaction_view_template)
 115         ->setConpherenceTransaction($transaction);
 116       if ($collapsed) {
 117         $transaction_view->addClass('conpherence-transaction-collapsed');
 118       }
 119
 120       $rendered_transactions[] = $transaction_view->render();
 121       $previous_transaction = $transaction;
 122     }
 123     $latest_transaction_id = $transaction->getID();
 124
 125     return array(
 126       'transactions' => $rendered_transactions,
 127       'latest_transaction' => $transaction,
 128       'latest_transaction_id' => $latest_transaction_id,
 129       'oldest_transaction_id' => $oldest_transaction_id,
 130       'newest_transaction_id' => $newest_transaction_id,
 131     );
 132   }
 133
 134   public static function renderMessagePaneContent(
 135     array $transactions,
 136     $oldest_transaction_id,
 137     $newest_transaction_id) {
 138
 139     $oldscrollbutton = '';
 140     if ($oldest_transaction_id) {
 141       $oldscrollbutton = javelin_tag(
 142         'a',
 143         array(
 144           'href' => '#',
 145           'mustcapture' => true,
 146           'sigil' => 'show-older-messages',
 147           'class' => 'conpherence-show-more-messages',
 148           'meta' => array(
 149             'oldest_transaction_id' => $oldest_transaction_id,
 150           ),
 151         ),
 152         pht('Show Older Messages'));
 153       $oldscrollbutton = javelin_tag(
 154         'div',
 155         array(
 156           'sigil' => 'conpherence-transaction-view',
 157           'meta' => array(
 158             'id' => $oldest_transaction_id - 0.5,
 159           ),
 160         ),
 161         $oldscrollbutton);
 162     }
 163
 164     $newscrollbutton = '';
 165     if ($newest_transaction_id) {
 166       $newscrollbutton = javelin_tag(
 167         'a',
 168         array(
 169           'href' => '#',
 170           'mustcapture' => true,
 171           'sigil' => 'show-newer-messages',
 172           'class' => 'conpherence-show-more-messages',
 173           'meta' => array(
 174             'newest_transaction_id' => $newest_transaction_id,
 175           ),
 176         ),
 177         pht('Show Newer Messages'));
 178       $newscrollbutton = javelin_tag(
 179         'div',
 180         array(
 181           'sigil' => 'conpherence-transaction-view',
 182           'meta' => array(
 183             'id' => $newest_transaction_id + 0.5,
 184           ),
 185         ),
 186         $newscrollbutton);
 187     }
 188
 189     return hsprintf(
 190       '%s%s%s',
 191       $oldscrollbutton,
 192       $transactions,
 193       $newscrollbutton);
 194   }
 195
 196 }