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- <?php
- /**
- * @file
- * Support for migration into Date fields.
- */
- /**
- * Implements hook_migrate_api().
- */
- function date_migrate_api() {
- $api = array(
- 'api' => 2,
- 'field handlers' => array('DateMigrateFieldHandler'),
- );
- return $api;
- }
- class DateMigrateFieldHandler extends MigrateFieldHandler {
- /**
- * Declares the types of fields used.
- */
- public function __construct() {
- $this->registerTypes(array('date', 'datestamp', 'datetime'));
- }
- /**
- * Arguments for a date field migration.
- *
- * @param string $timezone
- * Timezone (such as UTC, America/New_York, etc.) to apply.
- * @param string $timezone_db
- * Timezone_db value for the field.
- * @param string $rrule
- * Rule string for a repeating date field.
- * @param string $language
- * Language of the text (defaults to destination language)
- *
- * @return array
- * An array of the defined variables in this scope.
- */
- static function arguments($timezone = 'UTC', $timezone_db = 'UTC', $rrule = NULL, $language = NULL) {
- return get_defined_vars();
- }
- /**
- * Converts incoming data into the proper field arrays for Date fields.
- *
- * @param object $entity
- * The destination entity which will hold the field arrays.
- * @param array $field_info
- * Metadata for the date field being populated.
- * @param array $instance
- * Metadata for this instance of the date field being populated.
- * @param array $values
- * Array of date values to be fielded.
- *
- * @return array|null
- * An array of date fields.
- */
- public function prepare($entity, array $field_info, array $instance, array $values) {
- if (isset($values['arguments'])) {
- $arguments = $values['arguments'];
- unset($values['arguments']);
- }
- else {
- $arguments = array();
- }
- $language = $this->getFieldLanguage($entity, $field_info, $arguments);
- foreach ($values as $delta => $from) {
- if (!empty($arguments['timezone'])) {
- if (is_array($arguments['timezone'])) {
- $timezone = $arguments['timezone'][$delta];
- }
- else {
- $timezone = $arguments['timezone'];
- }
- }
- else {
- $timezone = 'UTC';
- }
- if (!empty($arguments['rrule'])) {
- if (is_array($arguments['rrule'])) {
- $rrule = $arguments['rrule'][$delta];
- }
- else {
- $rrule = $arguments['rrule'];
- }
- }
- else {
- $rrule = NULL;
- }
- if (!empty($arguments['to'])) {
- if (is_array($arguments['to'])) {
- $to = $arguments['to'][$delta];
- }
- else {
- $to = $arguments['to'];
- }
- }
- else {
- $to = NULL;
- }
- // Legacy support for JSON containing a set of properties - deprecated
- // now that we have subfields.
- if (!empty($from) && $from{0} == '{') {
- $properties = drupal_json_decode($from);
- $from = $properties['from'];
- // Properties passed in with the date override any set via arguments.
- if (!empty($properties['to'])) {
- $to = $properties['to'];
- }
- if (!empty($properties['timezone'])) {
- $timezone = $properties['timezone'];
- }
- if (!empty($properties['rrule'])) {
- $rrule = $properties['rrule'];
- }
- }
- // Missing data? Create an empty value and return;
- // Don't try to turn the empty value into a bogus
- // timestamp for 'now'.
- if (empty($from)) {
- $return[$language][$delta]['value'] = NULL;
- if (!empty($field_info['settings']['todate'])) {
- $return[$language][$delta]['value2'] = NULL;
- }
- return $return;
- }
- // If there is no 'to' date, just use the 'from' date.
- if (!empty($field_info['settings']['todate']) && empty($to)) {
- $to = $from;
- }
- // If we have a value, work from a timestamp.
- $from = MigrationBase::timestamp($from);
- if ($to) {
- $to = MigrationBase::timestamp($to);
- }
- // What does the destination field expect?
- switch ($field_info['type']) {
- case 'datestamp':
- // Already done.
- break;
- case 'datetime':
- // YYYY-MM-DD HH:MM:SS.
- $from = format_date($from, 'custom', 'Y-m-d H:i:s', $timezone);
- if ($to) {
- $to = format_date($to, 'custom', 'Y-m-d H:i:s', $timezone);
- }
- break;
- case 'date':
- // ISO date: YYYY-MM-DDTHH:MM:SS.
- $from = format_date($from, 'custom', 'Y-m-d\TH:i:s', $timezone);
- if ($to) {
- $to = format_date($to, 'custom', 'Y-m-d\TH:i:s', $timezone);
- }
- break;
- default:
- break;
- }
- // Handle repeats, coming in as RRULEs. Many field instances may be
- // created.
- if (function_exists('date_repeat_build_dates') && !empty($field_info['settings']['repeat']) && $rrule) {
- include_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'date_api') . '/date_api_ical.inc';
- $item = array('value' => $from, 'value2' => $to, 'timezone' => $timezone);
- // Can be de-uglified when http://drupal.org/node/1159404 is committed.
- $return[$language] = date_repeat_build_dates(NULL, date_ical_parse_rrule($field_info, $rrule), $field_info, $item);
- }
- else {
- $return[$language][$delta]['value'] = $from;
- if (!empty($to)) {
- $return[$language][$delta]['value2'] = $to;
- }
- }
- }
- if (!isset($return)) {
- $return = NULL;
- }
- return $return;
- }
- public function fields($migration = NULL) {
- return array(
- 'timezone' => t('Timezone'),
- 'rrule' => t('Recurring event rule'),
- 'to' => t('End date date'),
- );
- }
- }
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