src/applications/chatlog/controller/PhabricatorChatLogChannelLogController.php

   1 <?php
   2
   3 final class PhabricatorChatLogChannelLogController
   4   extends PhabricatorChatLogController {
   5
   6   public function shouldAllowPublic() {
   7     return true;
   8   }
   9
  10   public function handleRequest(AphrontRequest $request) {
  11     $viewer = $request->getViewer();
  12     $id = $request->getURIData('channelID');
  13
  14     $uri = new PhutilURI($request->getPath());
  15
  16     $pager = new AphrontCursorPagerView();
  17     $pager->setURI($uri);
  18     $pager->setPageSize(250);
  19
  20     $query = id(new PhabricatorChatLogQuery())
  21       ->setViewer($viewer)
  22       ->withChannelIDs(array($id));
  23
  24     $channel = id(new PhabricatorChatLogChannelQuery())
  25       ->setViewer($viewer)
  26       ->withIDs(array($id))
  27       ->executeOne();
  28
  29     if (!$channel) {
  30       return new Aphront404Response();
  31     }
  32
  33     list($after, $before, $map) = $this->getPagingParameters($request, $query);
  34
  35     $pager->setAfterID($after);
  36     $pager->setBeforeID($before);
  37
  38     $logs = $query->executeWithCursorPager($pager);
  39
  40     // Show chat logs oldest-first.
  41     $logs = array_reverse($logs);
  42
  43
  44     // Divide all the logs into blocks, where a block is the same author saying
  45     // several things in a row. A block ends when another user speaks, or when
  46     // two minutes pass without the author speaking.
  47
  48     $blocks = array();
  49     $block = null;
  50
  51     $last_author = null;
  52     $last_epoch = null;
  53     foreach ($logs as $log) {
  54       $this_author = $log->getAuthor();
  55       $this_epoch  = $log->getEpoch();
  56
  57       // Decide whether we should start a new block or not.
  58       $new_block = ($this_author !== $last_author) ||
  59                    ($this_epoch - (60 * 2) > $last_epoch);
  60
  61       if ($new_block) {
  62         if ($block) {
  63           $blocks[] = $block;
  64         }
  65         $block = array(
  66           'id'      => $log->getID(),
  67           'epoch'   => $this_epoch,
  68           'author'  => $this_author,
  69           'logs'    => array($log),
  70         );
  71       } else {
  72         $block['logs'][] = $log;
  73       }
  74
  75       $last_author = $this_author;
  76       $last_epoch = $this_epoch;
  77     }
  78     if ($block) {
  79       $blocks[] = $block;
  80     }
  81
  82     // Figure out CSS classes for the blocks. We alternate colors between
  83     // lines, and highlight the entire block which contains the target ID or
  84     // date, if applicable.
  85
  86     foreach ($blocks as $key => $block) {
  87       $classes = array();
  88       if ($key % 2) {
  89         $classes[] = 'alternate';
  90       }
  91       $ids = mpull($block['logs'], 'getID', 'getID');
  92       if (array_intersect_key($ids, $map)) {
  93         $classes[] = 'highlight';
  94       }
  95       $blocks[$key]['class'] = $classes ? implode(' ', $classes) : null;
  96     }
  97
  98
  99     require_celerity_resource('phabricator-chatlog-css');
 100
 101     $out = array();
 102     foreach ($blocks as $block) {
 103       $author = $block['author'];
 104       $author = id(new PhutilUTF8StringTruncator())
 105         ->setMaximumGlyphs(18)
 106         ->truncateString($author);
 107       $author = phutil_tag('td', array('class' => 'author'), $author);
 108
 109       $href = $uri->alter('at', $block['id']);
 110       $timestamp = $block['epoch'];
 111       $timestamp = phabricator_datetime($timestamp, $viewer);
 112       $timestamp = phutil_tag(
 113         'a',
 114           array(
 115             'href' => $href,
 116             'class' => 'timestamp',
 117           ),
 118         $timestamp);
 119
 120       $message = mpull($block['logs'], 'getMessage');
 121       $message = implode("\n", $message);
 122       $message = phutil_tag(
 123         'td',
 124           array(
 125             'class' => 'message',
 126           ),
 127           array(
 128             $timestamp,
 129             $message,
 130           ));
 131
 132       $out[] = phutil_tag(
 133         'tr',
 134         array(
 135           'class' => $block['class'],
 136         ),
 137         array(
 138           $author,
 139           $message,
 140         ));
 141     }
 142
 143     $links = array();
 144
 145     $first_uri = $pager->getFirstPageURI();
 146     if ($first_uri) {
 147       $links[] = phutil_tag(
 148         'a',
 149         array(
 150           'href' => $first_uri,
 151         ),
 152         "\xC2\xAB ".pht('Newest'));
 153     }
 154
 155     $prev_uri = $pager->getPrevPageURI();
 156     if ($prev_uri) {
 157       $links[] = phutil_tag(
 158         'a',
 159         array(
 160           'href' => $prev_uri,
 161         ),
 162         "\xE2\x80\xB9 ".pht('Newer'));
 163     }
 164
 165     $next_uri = $pager->getNextPageURI();
 166     if ($next_uri) {
 167       $links[] = phutil_tag(
 168         'a',
 169         array(
 170           'href' => $next_uri,
 171         ),
 172         pht('Older')." \xE2\x80\xBA");
 173     }
 174
 175     $pager_bottom = phutil_tag(
 176       'div',
 177       array('class' => 'phabricator-chat-log-pager-bottom'),
 178       $links);
 179
 180     $crumbs = $this
 181       ->buildApplicationCrumbs()
 182       ->addTextCrumb($channel->getChannelName(), $uri);
 183
 184     $form = id(new AphrontFormView())
 185       ->setUser($viewer)
 186       ->setMethod('GET')
 187       ->setAction($uri)
 188       ->appendChild(
 189         id(new AphrontFormTextControl())
 190           ->setLabel(pht('Date'))
 191           ->setName('date')
 192           ->setValue($request->getStr('date')))
 193       ->appendChild(
 194         id(new AphrontFormSubmitControl())
 195           ->setValue(pht('Jump')));
 196
 197     $table = phutil_tag(
 198       'table',
 199         array(
 200           'class' => 'phabricator-chat-log',
 201         ),
 202       $out);
 203
 204     $log = phutil_tag(
 205       'div',
 206         array(
 207           'class' => 'phabricator-chat-log-panel',
 208         ),
 209         $table);
 210
 211     $jump_link = id(new PHUIButtonView())
 212       ->setTag('a')
 213       ->setHref('#latest')
 214       ->setText(pht('Jump to Bottom'))
 215       ->setIcon('fa-arrow-circle-down');
 216
 217     $jump_target = phutil_tag(
 218       'div',
 219         array(
 220           'id' => 'latest',
 221         ));
 222
 223     $content = phutil_tag(
 224       'div',
 225         array(
 226           'class' => 'phabricator-chat-log-wrap',
 227         ),
 228         array(
 229           $log,
 230           $jump_target,
 231           $pager_bottom,
 232         ));
 233
 234     $header = id(new PHUIHeaderView())
 235       ->setHeader($channel->getChannelName())
 236       ->setSubHeader($channel->getServiceName())
 237       ->addActionLink($jump_link);
 238
 239     $box = id(new PHUIObjectBoxView())
 240       ->setHeader($header)
 241       ->setCollapsed(true)
 242       ->appendChild($content);
 243
 244     $box->setShowHide(
 245       pht('Search Dates'),
 246       pht('Hide Dates'),
 247       $form,
 248       '#');
 249
 250     return $this->newPage()
 251       ->setTitle(pht('Channel Log'))
 252       ->setCrumbs($crumbs)
 253       ->appendChild($box);
 254
 255   }
 256
 257   /**
 258    * From request parameters, figure out where we should jump to in the log.
 259    * We jump to either a date or log ID, but load a few lines of context before
 260    * it so the user can see the nearby conversation.
 261    */
 262   private function getPagingParameters(
 263     AphrontRequest $request,
 264     PhabricatorChatLogQuery $query) {
 265
 266     $viewer = $request->getViewer();
 267
 268     $at_id = $request->getInt('at');
 269     $at_date = $request->getStr('date');
 270
 271     $context_log = null;
 272     $map = array();
 273
 274     $query = clone $query;
 275     $query->setLimit(8);
 276
 277     if ($at_id) {
 278       // Jump to the log in question, and load a few lines of context before
 279       // it.
 280       $context_logs = $query
 281         ->setAfterID($at_id)
 282         ->execute();
 283
 284       $context_log = last($context_logs);
 285
 286       $map = array(
 287         $at_id => true,
 288       );
 289
 290     } else if ($at_date) {
 291       $timestamp = PhabricatorTime::parseLocalTime($at_date, $viewer);
 292
 293       if ($timestamp) {
 294         $context_logs = $query
 295           ->withMaximumEpoch($timestamp)
 296           ->execute();
 297
 298         $context_log = last($context_logs);
 299
 300         $target_log = head($context_logs);
 301         if ($target_log) {
 302           $map = array(
 303             $target_log->getID() => true,
 304           );
 305         }
 306       }
 307     }
 308
 309     if ($context_log) {
 310       $after = null;
 311       $before = $context_log->getID() - 1;
 312     } else {
 313       $after = $request->getInt('after');
 314       $before = $request->getInt('before');
 315     }
 316
 317     return array($after, $before, $map);
 318   }
 319
 320 }