$database = $dataSync->getDatabase($databaseId);
 if (isset($_REQUEST['action'])) {
     if ($_REQUEST['action'] === 'editTitle' && isset($_REQUEST['title']) && $_REQUEST['title']) {
         //Изменение заголовка базы данных
         //@see https://tech.yandex.ru/datasync/http/doc/tasks/edit-title-docpage/
         $database = $dataSync->updateDatabaseTitle($_REQUEST['title'], $databaseId);
     } elseif ($_REQUEST['action'] === 'createField' && isset($_REQUEST['collectionId']) && $_REQUEST['collectionId'] && isset($_REQUEST['recordId']) && $_REQUEST['recordId'] && isset($_REQUEST['recordChangeType']) && $_REQUEST['recordChangeType']) {
         if ($_REQUEST['recordChangeType'] === Record::CHANGE_TYPE_INSERT || $_REQUEST['recordChangeType'] === Record::CHANGE_TYPE_UPDATE || $_REQUEST['recordChangeType'] === Record::CHANGE_TYPE_SET || $_REQUEST['recordChangeType'] === Record::CHANGE_TYPE_DELETE) {
             $delta = new Delta();
             //Поясняющий комментарий к изменению.
             $delta->setDeltaId('insert record ' . $_REQUEST['recordId']);
             //Запись
             $record = new Record();
             //Тип изменения, применяемого к записи.
             //@see https://tech.yandex.ru/datasync/http/doc/tasks/create-changes-docpage/#changes-types
             $record->setChangeType($_REQUEST['recordChangeType'])->setCollectionId($_REQUEST['collectionId'])->setRecordId($_REQUEST['recordId']);
             if (isset($_REQUEST['fieldChangeType']) && $_REQUEST['fieldChangeType'] && isset($_REQUEST['fieldId']) && $_REQUEST['fieldId']) {
                 //Поле
                 $field = new RecordField();
                 //Тип изменения, применяемого к полю записи
                 //@see https://tech.yandex.ru/datasync/http/doc/tasks/create-changes-docpage/#changes-types
                 $field->setChangeType($_REQUEST['fieldChangeType']);
                 //Идентификатор поля.
                 $field->setFieldId($_REQUEST['fieldId']);
                 if (isset($_REQUEST['value']) && $_REQUEST['value']) {
                     //Указание значение и его типа
                     //Если Тип значения не указан, то он определиться автоматически
                     //@see https://tech.yandex.ru/datasync/http/doc/tasks/create-changes-docpage/#data-types
                     $recordFieldValue = new RecordFieldValue();
                     $recordFieldValue->setValue($_REQUEST['value']);
                     //установка Значения
 function testFillDelta()
 {
     $fixture = array('delta_id' => 'add new object to collection', 'changes' => array(array('change_type' => 'insert', 'collection_id' => 'my_schedule', 'record_id' => 'monday', 'changes' => array(array('change_type' => 'set', 'field_id' => 'work', 'value' => array('string' => 'from 11am to 7pm', 'type' => 'string'))))));
     $recordFieldValue = new RecordFieldValue();
     $recordFieldValue->setValue($fixture['changes'][0]['changes'][0]['value']['string']);
     //Field changes
     $recordField = new RecordField();
     $recordField->setValue($recordFieldValue)->setFieldId($fixture['changes'][0]['changes'][0]['field_id'])->setChangeType(RecordField::CHANGE_TYPE_SET);
     //Record changes
     $record = new Record();
     $record->setChangeType(Record::CHANGE_TYPE_INSERT)->setCollectionId($fixture['changes'][0]['collection_id'])->setRecordId($fixture['changes'][0]['record_id'])->setChanges(array($recordField))->setFields(array($recordField))->setRevision(0);
     $delta = new Database\Delta();
     $delta->setDeltaId($fixture['delta_id'])->setChanges(array($record));
     $delta2 = new Database\Delta();
     $delta2->setDeltaId($fixture['delta_id'])->setChanges(new Database\Delta\Records(array($record)));
     $array1 = $delta->toArray();
     $array2 = $delta2->toArray();
     $this->assertEquals($fixture['delta_id'], $delta->getDeltaId());
     $this->assertEquals($delta2->getChanges(), $delta->getChanges());
     $this->assertTrue($array1 === $array2, 'Is Equals arrays');
 }
 function testFillDatabaseRecord()
 {
     $fixture = array('change_type' => 'insert', 'collection_id' => 'my_schedule', 'record_id' => 'monday', 'changes' => array(array('change_type' => 'set', 'field_id' => 'work', 'value' => array('string' => 'from 11am to 7pm', 'type' => 'string'))));
     $record = new Record($fixture);
     $this->assertEquals($fixture['change_type'], $record->getChangeType());
     $this->assertEquals($fixture['collection_id'], $record->getCollectionId());
     $this->assertEquals($fixture['record_id'], $record->getRecordId());
     $this->assertEquals($fixture['changes'][0]['change_type'], $record->getChanges()->getAll()[0]->getChangeType());
     $this->assertEquals($fixture['changes'][0]['field_id'], $record->getChanges()->getAll()[0]->getFieldId());
     $this->assertEquals($fixture['changes'][0]['value']['type'], $record->getChanges()->getAll()[0]->getValue()->getType());
     $this->assertEquals($fixture['changes'][0]['value'][$fixture['changes'][0]['value']['type']], $record->getChanges()->getAll()[0]->getValue()->getValue());
     $changedFiled = new RecordField();
     $changedFiled->setChangeType($fixture['changes'][0]['change_type'])->setFieldId($fixture['changes'][0]['field_id'])->setValue(new RecordFieldValue($fixture['changes'][0]['value']));
     $record2 = new Record();
     $record2->setChangeType($fixture['change_type'])->setCollectionId($fixture['collection_id'])->setChanges([$changedFiled])->setRecordId($fixture['record_id']);
     $this->assertTrue($record->toArray() === $record2->toArray(), 'Is Equals records');
     $record2->setFields($fixture['changes']);
     $this->assertTrue($record2->getFields() instanceof RecordFields, 'Is RecordFields');
     $this->assertTrue($record2->getChanges() instanceof RecordFields, 'Is RecordFields');
     $field = new RecordFields();
     $field->add($fixture['changes'][0]);
     $record3 = new Record();
     $record3->setChangeType($fixture['change_type'])->setCollectionId($fixture['collection_id'])->setChanges($field)->setRecordId($fixture['record_id'])->setFields($field);
     $this->assertTrue($record2->toArray() === $record3->toArray(), 'Is Equals records');
 }