function privatemsg_view in Privatemsg 5

Same name and namespace in other branches

1. 5.3 privatemsg.module \privatemsg_view()
2. 6.2 privatemsg.pages.inc \privatemsg_view()
3. 6 privatemsg.module \privatemsg_view()
4. 7.2 privatemsg.pages.inc \privatemsg_view()
5. 7 privatemsg.pages.inc \privatemsg_view()

Display a private message to a user.

We calculate previous and next message here. Let's assume the order is from oldest to newest. The next message is then the first row from: SELECT id FROM privatemsg WHERE timestamp > %d ORDER BY timestamp ASC The code below is the abstraction of this to every field and ASC/DESC.

1 string reference to 'privatemsg_view'

privatemsg_menu in ./privatemsg.module

Implementation of hook_menu().

File

./privatemsg.module, line 1783

Code

function privatemsg_view($message_id) {
  global $user;
  if ($message = privatemsg_load($message_id)) {
    $threaded_view = variable_get('privatemsg_threaded_view', 0);
    if (isset($_SESSION['privatemsg_list_sql'])) {

      // This is the SQL assembled in privatemsg_list
      $sql = $_SESSION['privatemsg_list_sql']['sql'];

      // These are the arguments, again from privatemsg_list
      $args = $_SESSION['privatemsg_list_sql']['args'];

      // This is the field we are ordering on.
      $field = $_SESSION['privatemsg_list_sql']['field'];

      // This is either ASC or DESC.
      $sort = $_SESSION['privatemsg_list_sql']['sort'];
      if ($threaded_view) {
        $sql .= ' AND thread != %d';
        $args[] = $message->thread;
      }
      $placeholder = $field == 'type' || $field == 'subject' ? "'%s'" : '%d';
      $args[] = $message->{$field};
      if ($sort == 'ASC') {
        $prev_operator = '<';
        $next_operator = '>';
        $prev_sort = 'DESC';
        $next_sort = 'ASC';
      }
      else {
        $prev_operator = '>';
        $next_operator = '<';
        $prev_sort = 'ASC';
        $next_sort = 'DESC';
      }
      if ($previous_id = db_result(db_query_range("{$sql} AND {$field} {$prev_operator} {$placeholder} ORDER BY {$field} {$prev_sort}", $args, 0, 1))) {
        $previous_link = l(t('Previous'), 'privatemsg/view/' . $previous_id, array(), NULL, 'message-' . $previous_id);
      }
      else {
        $previous_link = '';
      }
      if ($next_id = db_result(db_query_range("{$sql} AND {$field} {$next_operator} {$placeholder} ORDER BY {$field} {$next_sort}", $args, 0, 1))) {
        $next_link = l(t('Next'), 'privatemsg/view/' . $next_id, array(), NULL, 'message-' . $next_id);
      }
      else {
        $next_link = '';
      }
    }
    if ($threaded_view && $message->thread) {
      $result = db_query('SELECT p.id, u.uid, u.name, p.author, p.timestamp, p.subject, p.message, p.newmsg, p.recipient, p.folder, p.format FROM {privatemsg} p INNER JOIN {users} u ON p.author = u.uid WHERE p.thread = %d ORDER BY timestamp ASC', $message->thread);
      $messages = '';
      while ($message = db_fetch_object($result)) {
        if (!isset($first)) {
          $first = $message;
        }
        if ($message->recipient == $user->uid) {
          $last = $message;
        }
        $messages .= _privatemsg_view($message);
      }
    }
    else {
      $first = $message;
      $messages = _privatemsg_view($message);
    }
    $output = theme('privatemsg_links', $previous_link, $next_link);
    $output .= $messages;
    if ($last->recipient == $user->uid) {
      $output .= drupal_get_form('privatemsg_new_form', $last->id);
    }
    return $output;
  }
  drupal_goto('privatemsg');
}