suggestion.install in Autocomplete Search Suggestions 7

The installation file for the suggestion module.

File

suggestion.install

<?php

/**
 * @file
 * The installation file for the suggestion module.
 */

/**
 * Implements hook_enable().
 */
function suggestion_enable() {
  $min_weight = 100;
  $weight = db_query("SELECT IFNULL(MAX(weight), 0) FROM {system}")
    ->fetchField() + 1;
  $fields = array(
    'weight' => $weight >= $min_weight ? $weight : $min_weight,
  );
  db_update('system')
    ->fields($fields)
    ->condition('name', 'suggestion')
    ->execute();
}

/**
 * Implements hook_install().
 */
function suggestion_install() {
  variable_set('suggestion_atoms_max', 6);
  variable_set('suggestion_atoms_min', 1);
  variable_set('suggestion_field_name', 'search_block_form');
  variable_set('suggestion_form_id', 'search_block_form');
  variable_set('suggestion_limit', 20);
  variable_set('suggestion_max', 45);
  variable_set('suggestion_min', 4);
  variable_set('suggestion_rpp', 100);
  variable_set('suggestion_stopword_hash', '');
  variable_set('suggestion_stopword_uri', file_default_scheme() . '://suggestion/suggestion_stopword.txt');
  variable_set('suggestion_synced', TRUE);
  variable_set('suggestion_types', array());
}

/**
 * Implements hook_schema().
 */
function suggestion_schema() {
  $schema['suggestion'] = array(
    'description' => 'Suggestion data.',
    'fields' => array(
      'ngram' => array(
        'description' => "The suggestion string.",
        'type' => 'varchar',
        'length' => 65,
        'binary' => TRUE,
        'not null' => TRUE,
      ),
      'src' => array(
        'description' => "Suggestion source bitmap: 0 = disabled, 1 = content, 2 = surfer, 4 = priority",
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 1,
      ),
      'atoms' => array(
        'description' => "The number of words in this suggestion.",
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 1,
      ),
      'qty' => array(
        'description' => "The number of instances.",
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 1,
      ),
      'density' => array(
        'description' => "The weighted average.",
        'type' => 'float',
        'unsigned' => TRUE,
        'precision' => 3,
        'not null' => TRUE,
        'default' => 1.0,
      ),
    ),
    'indexes' => array(
      'src' => array(
        'src',
      ),
    ),
    'unique keys' => array(
      'ngram_atom_src' => array(
        'src',
        'atoms',
        'ngram',
      ),
      'ngram_atom_density' => array(
        'density',
        'ngram',
        'atoms',
      ),
    ),
    'primary key' => array(
      'ngram',
    ),
  );
  return $schema;
}

/**
 * Implements hook_uninstall().
 */
function suggestion_uninstall() {
  $uri = variable_get('suggestion_stopword_uri', '');
  if ($uri) {
    file_unmanaged_delete($uri);
  }
  $uri = preg_replace('/\\/[^\\/]+$/', '', $uri);
  if ($uri) {
    drupal_rmdir($uri);
  }
  $vars = db_query("SELECT name FROM {variable} WHERE name LIKE :name", array(
    ':name' => 'suggestion\\_%',
  ))
    ->fetchCol();
  foreach ($vars as $var) {
    variable_del($var);
  }
  cache_clear_all('variables', 'cache_bootstrap');
}

/**
 * Migrate setting architecture to support min/max words in a suggestion.
 */
function suggestion_update_7001() {
  if (!is_numeric(variable_get('suggestion_atoms', NULL))) {
    return;
  }
  if (!is_numeric(variable_get('suggestion_atoms_max', NULL))) {
    variable_set('suggestion_atoms_max', variable_get('suggestion_atoms', 6));
  }
  if (!is_numeric(variable_get('suggestion_atoms_min', NULL))) {
    variable_set('suggestion_atoms_min', 1);
  }
  variable_del('suggestion_atoms');
}

Functions

Name	Description
suggestion_enable	Implements hook_enable().
suggestion_install	Implements hook_install().
suggestion_schema	Implements hook_schema().
suggestion_uninstall	Implements hook_uninstall().
suggestion_update_7001	Migrate setting architecture to support min/max words in a suggestion.