<?php
// $Id: mollom.install,v 1.2.2.10 2009/03/31 01:49:25 dries Exp $

/**
 * @file
 * Install and uninstall functions as well as schema definition for the Mollom module.
 */

/**
 * Implementation of hook_schema().
 */
function mollom_schema() {
  $schema['mollom'] = array(
    'description' => 'Tracks content spam statuses.',
    'fields' => array(
      'did' => array(
        'description' => 'Unique ID of the content.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'session' => array(
        'description' => "Content author's session ID.",
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      // The 'quality' field is still experimental; Mollom might not return a (consistent) value.
      'quality' => array(
        'description' => "A quality rating assigned to the content to tell whether or not it's spam.",
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      // The 'reputation' field is still experimental; Mollom might not return a (consistent) value.
      'reputation' => array(
        'description' => "The reputation of the author.",
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      // The 'languages' field is still experimental; Mollom might not return a (consistent) value.
      'languages' => array(
        'description' => "The language(s) that the content might be written in.",
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
    ),
    'indexes' => array('session' => array('session')),
    'primary key' => array('did'),
  );

  $schema['cache_mollom'] = drupal_get_schema_unprocessed('system', 'cache');
  $schema['cache_mollom']['description'] = 'Cache table for the Mollom module to store information for forms it protects.';

  return $schema;
}

/**
 * Implementation of hook_install().
 */
function mollom_install() {
  drupal_install_schema('mollom');
}

/**
 * Implementation of hook_uninstall().
 */
function mollom_uninstall() {
  db_query("DELETE FROM {variable} WHERE name LIKE 'mollom_%'");
  drupal_uninstall_schema('mollom');
}

/**
 * An update function to add the language field.
 */
function mollom_update_1() {
  $ret = array();
  db_add_field($ret, 'mollom', 'languages', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''));
  return $ret;
}

/**
 * Create the cache_mollom table.
 */
function mollom_update_2() {
  $ret = array();
  $schema = drupal_get_schema_unprocessed('system', 'cache');
  db_create_table($ret, 'cache_mollom', $schema);
  return $ret;
}

/**
 * Upgrade form protection storage.
 */
function mollom_update_3() {
  // Load the Drupal module so that _mollom_protectable_forms() is available.
  drupal_load('module', 'mollom');

  foreach (_mollom_protectable_forms() as $form_id => $details) {
    $name = 'mollom_'. $form_id;
    $mode = variable_get($name, NULL);
    if ($mode && $details['mode'] == MOLLOM_MODE_ANALYSIS) {
      // $mode was stored as 1, default to MOLLOM_MODE_ANALYSIS if the form supports it.
      variable_set($name, MOLLOM_MODE_ANALYSIS);
    }
  }
  return array(array('success' => TRUE, 'query' => 'Updated Mollom form protection settings.'));
}

/**
 * Add a reputation field to the mollom table.
 */
function mollom_update_4() {
  $ret = array();
  db_add_field($ret, 'mollom', 'reputation', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''));
  return $ret;
}