apachesolr_views_handler_filter_string.inc in Apache Solr Views 7

Sring filter handler for Apache Solr Views.

File

handlers/apachesolr_views_handler_filter_string.inc

<?php

/**
 * @file
 * Sring filter handler for Apache Solr Views.
 */
class apachesolr_views_handler_filter_string extends views_handler_filter_string {

  /**
   * Override the operators provided from the parent class.
   */
  public function operators() {
    $operators = parent::operators();
    foreach (array(
      'shorterthan',
      'longerthan',
      'regular_expression',
      'contains',
      'ends',
      'not_ends',
    ) as $key) {
      if (isset($operators[$key])) {
        unset($operators[$key]);
      }
    }
    return $operators;
  }

  /**
   * Operator for equality.
   */
  public function op_equal($field) {
    if ($this->operator == '!=') {
      $this->real_field = '-' . $this->real_field;
    }
    $this->query
      ->add_where($this->options['group'], $this->real_field, $this->value);
  }

  /**
   * Contains any word.
   */
  public function op_word($field) {
    $where_operator = $this->operator == 'word' ? ' OR ' : ' AND ';
    $where = array();

    // Don't filter on empty strings.
    if (empty($this->value)) {
      return;
    }
    preg_match_all('/ (-?)("[^"]+"|[^" ]+)/i', ' ' . $this->value, $matches, PREG_SET_ORDER);
    foreach ($matches as $match) {
      $phrase = FALSE;

      // Strip off phrase quotes.
      if ($match[2][0] == '"') {
        $match[2] = substr($match[2], 1, -1);
        $phrase = TRUE;
      }
      $words = trim($match[2], ',?!();:-');
      $words = $phrase ? array(
        $words,
      ) : preg_split('/ /', $words, -1, PREG_SPLIT_NO_EMPTY);
      foreach ($words as $word) {
        $where[] = trim($word, ' ,!?') . '*';
      }
    }
    if (!$where) {
      return;
    }

    // Previously this was a call_user_func_array but that's unnecessary
    // as views will unpack an array that is a single arg.
    $this->query
      ->add_where($this->options['group'], $this->real_field, implode($where_operator, $where));
  }

  /**
   * Operator for string starting with a value.
   */
  public function op_starts($field) {
    $this->query
      ->add_where($this->options['group'], $this->real_field, $this->value . '*');
  }

  /**
   * Operator for not string starting with a value.
   */
  public function op_not_starts($field) {
    $this->query
      ->add_where($this->options['group'], '-' . $this->real_field, $this->value . '*');
  }

  /**
   * Does not contain.
   */
  public function op_not($field) {
    $this->query
      ->add_where($this->options['group'], '-' . $this->real_field, $this->value);
  }

}

Classes

Name	Description
apachesolr_views_handler_filter_string	@file Sring filter handler for Apache Solr Views.