<?php

/*******************************************************************************
 * EXPORTABLES
 ******************************************************************************/

 // WARN Features button "Revert components" will reset also statistics 
 
function elysia_cron_get_ctools_defaults() {
  if (module_exists('ctools') && function_exists('ctools_include')) {
    ctools_include('export');
    if (function_exists('ctools_export_get_schema') && function_exists('_ctools_export_get_defaults') && ($schema = ctools_export_get_schema('elysia_cron'))) {
      $export = $schema['export'];
      return _ctools_export_get_defaults('elysia_cron', $export);
    }
  }
  return array();
}

/**
 * Ctools load callback
 * Ctools does not support override of PARTIAL record, this is an elysia cron specific replacement to support it
 */
function elysia_cron_ctools_export_load($name) {
  $schema = ctools_export_get_schema('elysia_cron');
  if (!empty($schema)) {
    $export = $schema['export'];
    
    if (EC_DRUPAL_VERSION >= 7) {
      $object = db_query("select " . implode(", ", $GLOBALS['_ec_columns']) . " from {elysia_cron} where name = :name", array(':name' => $name))->fetch();
    }
    else {
      $object = db_fetch_object(db_query("select " . implode(", ", $GLOBALS['_ec_columns']) . " from {elysia_cron} where name = '%s'", $name));
    }
    $default_objects = _ctools_export_get_defaults('elysia_cron', $export);
    
    if ($object) {
      if (isset($default_objects[$name])) {
        return _elysia_cron_ctools_export_load_object_db_and_code($object, $default_objects[$name], $export);
      }
      else {
        return _elysia_cron_ctools_export_load_object_db($object, $export);
      }
    }
    elseif (isset($default_objects[$name])) {
      return _elysia_cron_ctools_export_load_object_code($default_objects[$name], $export);
    }
  }
}

/**
 * Ctools load all callback
 * Ctools does not support override of PARTIAL record, this is an elysia cron specific replacement to support it
 */
function elysia_cron_ctools_export_load_all() {
  $schema = ctools_export_get_schema('elysia_cron');
  if (empty($schema)) {
    return array();
  }
  $export = $schema['export'];
    
  if (EC_DRUPAL_VERSION >= 7) {
    $objects = db_query("select " . implode(", ", $GLOBALS['_ec_columns']) . " from {elysia_cron}")->fetchAll();
  }
  else {
    $objects = array();
    $rs = db_query("select " . implode(", ", $GLOBALS['_ec_columns']) . " from {elysia_cron}");
    while ($o = db_fetch_object($rs)) {
      $objects = $o;
    }
  }
  $default_objects = _ctools_export_get_defaults('elysia_cron', $export);
  
  $result = array();
  foreach ($objects as $object) {
    $key = $object->{$export['key']};
    if (isset($default_objects[$key])) {
      $result[$key] = _elysia_cron_ctools_export_load_object_db_and_code($object, $default_objects[$key], $export);
      unset($default_objects[$key]);
    } else {
      $result[$key] = _elysia_cron_ctools_export_load_object_db($object, $export);
    } 
  }
  foreach ($default_objects as $key => $object) {
    $result[$key] = _elysia_cron_ctools_export_load_object_code($object, $export);
  }
  return $result;
}

function _elysia_cron_ctools_export_load_object_db_and_code($object, $code_object, $export) {
  $overridden = false;
  foreach ($code_object as $keyd => $value) {
    if (!isset($object->$keyd) || is_null($object->$keyd)) {
      $object->$keyd = $value;
    }
    else if ($object->$keyd !== $value) {
      $overridden = true;
    }
  }
  $object->table = 'elysia_cron';
  $object->export_type = EXPORT_IN_DATABASE | EXPORT_IN_CODE;
  $object->{$export['export type string']} = $overridden ? t('Overridden') : t('Normal');
  return $object;
}

function _elysia_cron_ctools_export_load_object_db($object, $export) {
  $object->table = 'elysia_cron';
  $object->export_type = EXPORT_IN_DATABASE;
  $object->{$export['export type string']} = t('Normal');
  return $object;
}

function _elysia_cron_ctools_export_load_object_code($object, $export) {
  $object->table = 'elysia_cron';
  $object->export_type = EXPORT_IN_CODE;
  $object->{$export['export type string']} = t('Default');
  $object->in_code_only = TRUE;
  return $object;
}

/**
 * Ctools export object factory
 * Original ctools export factory (_ctools_export_unpack_object) does not handle NULL values correctly.
 * This function does not support $schema['join'].
 */
function elysia_cron_ctools_export_object_factory($schema, $data) {
  $object = new stdClass;

  foreach ($schema['fields'] as $field => $info) {
    $object->$field = isset($data->$field) && !is_null($data->$field) ? (empty($info['serialize']) ? $data->$field : unserialize($data->$field)) : NULL;
  }

  return $object;
}

/**
 * Ctools export callback
 * Handles NULL value (it's not possible to do this with "field" export callback, because null values are rewritten before its call)
 */
function elysia_cron_ctools_export_callback($object, $indent) {
  $table = 'elysia_cron';
  $schema = ctools_export_get_schema($table);
  $identifier = $schema['export']['identifier'];

  $output = $indent . '$' . $identifier . ' = new ' . get_class($object) . ";\n";

  if ($schema['export']['can disable']) {
    $output .= $indent . '$' . $identifier . '->disabled = FALSE; /* Edit this to true to make a default ' . $identifier . ' disabled initially */'  . "\n";
  }
  if (!empty($schema['export']['api']['current_version'])) {
    $output .= $indent . '$' . $identifier . '->api_version = ' . $schema['export']['api']['current_version'] . ";\n";
  }

  $fields = $schema['fields'];

  foreach ($fields as $field => $info) {
    if (!empty($info['no export'])) {
      continue;
    }
    $value = isset($object->$field) ? $object->$field : (isset($info['default']) ? $info['default'] : NULL);
    if (!is_null($value) && $info['type'] == 'int') {
      $value = (isset($info['size']) && $info['size'] == 'tiny') ? (bool) $value : (int) $value;
    }
    $output .= $indent . '$' . $identifier . '->' . $field . ' = ' . ctools_var_export($value, $indent) . ";\n";
  }

  return $output;  
}

/**
 * Ctools export to hook code callback
 * Original "to hook code" callback doesn't support the replacement of "load/load all" callback (it simply ignores them, even if defined and supported elsewhere)
 * This code is equal to the original ctools one, but uses specific load callback 
 */
function elysia_cron_ctools_to_hook_code($names, $name) {
  $table = 'elysia_cron';
  $schema = ctools_export_get_schema($table);
  $export = $schema['export'];
  $output = '';
  $objects = elysia_cron_ctools_export_load_all();
  $objects = array_intersect_key($objects, array_flip($names));
  if ($objects) {
    $output = "/**\n";
    $output .= " * Implementation of hook_{$export['default hook']}()\n";
    $output .= " */\n";
    $output .= "function " . $name . "_{$export['default hook']}() {\n";
    $output .= "  \${$export['identifier']}s = array();\n\n";
    foreach ($objects as $object) {
      $output .= ctools_export_crud_export($table, $object, '  ');
      $output .= "  \${$export['identifier']}s['" . check_plain($object->$export['key']) . "'] = \${$export['identifier']};\n\n";
    }
    $output .= "  return \${$export['identifier']}s;\n";
    $output .= "}\n";
  }

  return $output;
}
