function views_handler_argument_search::query

Add this argument to the query.

Overrides views_handler_argument::query

File

core/modules/search/views/views_handler_argument_search.inc, line 32

Definition of views_handler_argument_search.

Class

views_handler_argument_search

Argument that accepts query keys for search.

Code

function query($group_by = FALSE) {
  $required = FALSE;
  $this->query_parse_search_expression($this->argument);
  if (!isset($this->search_query)) {
    $required = TRUE;
  }
  else {
    $words = $this->search_query->words();
    if (empty($words)) {
      $required = TRUE;
    }
  }
  if ($required) {
    if ($this->operator == 'required') {
      $this->query->add_where(0, 'FALSE');
    }
  }
  else {
    $search_index = $this->ensure_my_table();

    $search_condition = db_and();

    // Create a new join to relate the 'search_total' table to our current 'search_index' table.
    $join = new views_join;
    $join->construct('search_total', $search_index, 'word', 'word');
    $search_total = $this->query->add_relationship('search_total', $join, $search_index);

    $this->search_score = $this->query->add_field('', "$search_index.score * $search_total.count", 'score', array('aggregate' => TRUE, 'function' => 'sum'));

    if (empty($this->query->relationships[$this->relationship])) {
      $base_table = $this->query->base_table;
    }
    else {
      $base_table = $this->query->relationships[$this->relationship]['base'];
    }
    $search_condition->condition("$search_index.type", $base_table);

    if (!$this->search_query->simple()) {
      $search_dataset = $this->query->add_table('search_dataset');
      $conditions = $this->search_query->conditions();
      $condition_conditions = &$conditions->conditions();
      foreach ($condition_conditions as $key => &$condition) {
        // Take sure we just look at real conditions.
        if (is_numeric($key)) {
          // Replace the conditions with the table alias of views.
          $this->search_query->condition_replace_string('d.', "$search_dataset.", $condition);
        }
      }
      $search_conditions = &$search_condition->conditions();
      $search_conditions = array_merge($search_conditions, $condition_conditions);
    }
    else {
      // Stores each condition, so and/or on the filter level will still work.
      $or = db_or();
      foreach ($words as $word) {
        $or->condition("$search_index.word", $word);
      }

      $search_condition->condition($or);
    }

    $this->query->add_where(0, $search_condition);
    $this->query->add_groupby("$search_index.sid");
    $matches = $this->search_query->matches();
    $placeholder = $this->placeholder();
    $this->query->add_having_expression(0, "COUNT(*) >= $placeholder", array($placeholder => $matches));
  }
}