<?php
// $Id: translation_overview.install,v 1.2.2.4 2010/04/20 19:33:42 drewish Exp $

/**
 * Implementation of hook_install().
 */
function translation_overview_install() {
  drupal_install_schema('translation_overview');

  // Insert records for all the source nodes, and untranslated nodes.
  db_query('INSERT INTO {translation_overview_priority} (tnid) SELECT DISTINCT(nid) FROM {node} WHERE nid = tnid OR tnid = 0 OR tnid IS NULL');
}

/**
 * Implementation of hook_uninstall().
 */
function translation_overview_uninstall() {
  drupal_uninstall_schema('translation_overview');
}

/**
 * Implementation of hook_schema().
 */
function translation_overview_schema() {
  $schema['translation_overview_priority'] = array(
    'description' => t('Track the priority in which nodes should be translated into various languages.'),
    'fields' => array(
      'tnid' => array(
        'description' => t('The identifier for a node or set of node translations.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ),
    'primary key' => array('tnid'),
  );

  // Load the module file so that we have access to TRANSLATION_OVERVIEW_NORMAL
  // and translation_overview_field_name().
  module_load_include('module', 'translation_overview');

  // And dynamically assemble the table with a column per languages. Call
  // language_list() with $reset = TRUE in case the languages have changed.
  foreach (language_list('language', TRUE) as $lang_code => $language) {
    $field = translation_overview_field_name($lang_code);
    $schema['translation_overview_priority']['fields'][$field] = array(
      'type' => 'int',
      'size' => 'tiny',
      'unsigned' => TRUE,
      'not null' => TRUE,
      'default' => TRANSLATION_OVERVIEW_NORMAL,
    );
    $schema['translation_overview_priority']['indexes'][$field] = array($field);
  }

  return $schema;
}

/**
 * Create the {translation_overview_priority} table.
 */
function translation_overview_update_6000() {
  $ret = array();

  // Make sure the module is loaded so we have access to translation_overview_field_name().
  module_load_include('module', 'translation_overview');

  $schema['translation_overview_priority'] = array(
    'description' => t('Track the priority in which nodes should be translated into various languages.'),
    'fields' => array(
      'tnid' => array(
        'description' => t('The identifier for a node or set of node translations.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ),
    'primary key' => array('tnid'),
  );

  // And dynamically assemble the table with a column per languages. Call
  // language_list() with $reset = TRUE in case the languages have changed.
  foreach (language_list('language', TRUE) as $lang_code => $language) {
    $field = db_escape_table($lang_code);
    $schema['translation_overview_priority']['fields'][$field] = array(
      'type' => 'int',
      'size' => 'tiny',
      'unsigned' => TRUE,
      'not null' => TRUE,
      // The default should be equivalent to TRANSLATION_OVERVIEW_NORMAL
      // which isn't defined since the module hasn't been loaded yet.
      'default' => 1,
    );
    $schema['translation_overview_priority']['indexes'][$field] = array($field);
  }

  db_create_table($ret, 'translation_overview_priority', $schema['translation_overview_priority']);

  // Insert records for all the source nodes, and untranslated nodes.
  $ret[] = update_sql('INSERT INTO {translation_overview_priority} (tnid) SELECT DISTINCT(nid) FROM {node} WHERE nid = tnid OR tnid = 0 OR tnid IS NULL ORDER BY tnid');

  return $ret;
}

/**
 * Change the field names on the {translation_overview_priority} table.
 */
function translation_overview_update_6001() {
  $ret = array();
  
  // Make sure the module is loaded so we have access to translation_overview_field_name().
  module_load_include('module', 'translation_overview');

  $spec = array(
    'type' => 'int',
    'size' => 'tiny',
    'unsigned' => TRUE,
    'not null' => TRUE,
    'default' => TRANSLATION_OVERVIEW_NORMAL,
  );
  foreach (language_list('language', TRUE) as $lang_code => $language) {
    db_change_field($ret, 'translation_overview_priority', db_escape_table($lang_code), translation_overview_field_name($lang_code), $spec);
  }

  return $ret;
}

/**
 * Store the manager information in permissions rather than our own variable.
 */
function translation_overview_update_6002() {
  $ret = array();

  $changes = array();
  foreach (variable_get('translation_overview_management', array()) as $lang_code => $rids) {
    foreach (array_filter($rids) as $rid => $true) {
      $changes[$rid][] = 'manage '. check_plain($lang_code) .' translation overview priorities';
    }
  }

  foreach ($changes as $rid => $perms) {
    // Retrieve the currently set permissions.
    $existing_perms = array();
    $result = db_query("SELECT p.perm FROM {permission} p WHERE p.rid = %d ", $rid);
    if ($row = db_fetch_object($result)) {
      $perms = array_unique(array_merge($perms, explode(', ', $row->perm)));
      $ret[] = update_sql('DELETE FROM {permission} WHERE rid = '. (int) $rid);
    }

    // Update the permissions.
    $ret[] = update_sql("INSERT INTO {permission} (rid, perm) VALUES (". (int) $rid .", '". db_escape_string(implode(', ', $perms)) ."')");
  }

  variable_del('translation_overview_management');

  return $ret;
}