/** Insert new record */
function save($member = '')
{
$dynamodb = new AmazonDynamoDB();
if ($member != '') {
if (!isset($member['id'])) {
// new record
$id = time() . rand(0, 100);
$dynamodb->batch($queue)->put_item(array('TableName' => $this->tableName, 'Item' => array($this->primaryKey => array(AmazonDynamoDB::TYPE_NUMBER => $id), 'date' => array(AmazonDynamoDB::TYPE_NUMBER => (string) $member['date']), 'name' => array(AmazonDynamoDB::TYPE_STRING => $member['name']), 'address' => array(AmazonDynamoDB::TYPE_STRING => $member['address']), 'phone' => array(AmazonDynamoDB::TYPE_STRING => $member['phone']))));
// Execute the batch of requests in parallel if you wish
$responses = $dynamodb->batch($queue)->send();
if ($responses[0]->status == '200') {
return $id;
} else {
print_r($responses);
}
} else {
// edit existing record
$id = $member['id'];
$response = $dynamodb->update_item(array('TableName' => $this->tableName, 'Key' => array('HashKeyElement' => array(AmazonDynamoDB::TYPE_NUMBER => $id)), 'AttributeUpdates' => array('date' => array('Action' => AmazonDynamoDB::ACTION_PUT, 'Value' => array(AmazonDynamoDB::TYPE_NUMBER => (string) $member['date'])), 'name' => array('Action' => AmazonDynamoDB::ACTION_PUT, 'Value' => array(AmazonDynamoDB::TYPE_STRING => $member['name'])), 'address' => array('Action' => AmazonDynamoDB::ACTION_PUT, 'Value' => array(AmazonDynamoDB::TYPE_STRING => $member['address'])), 'phone' => array('Action' => AmazonDynamoDB::ACTION_PUT, 'Value' => array(AmazonDynamoDB::TYPE_STRING => $member['phone'])))));
if ($response->status == '200') {
return $id;
} else {
print_r($responses);
}
}
}
}
/**
* Attempts to lock the specified field
* if it is a 0. Returns the the old value and previous
* timestamp on success, FALSE if the lock can't be obtained
*
* @param mixed $id
* @param mixed $field
* @param mixed $lock
* @param mixed $force
* @return mixed
*/
function lock_lock($id, $field = 'lock', $lock = true, $force = false)
{
$r = new ddbRequest($this->TableName);
if ($lock) {
$expected_value = 0;
$new_value = 1;
} else {
$expected_value = 1;
$new_value = 0;
}
$r->setKey($id);
$r->setReturnValues(AmazonDynamoDB::RETURN_UPDATED_OLD);
if (!$force) {
$r->setExpected(array($field => $expected_value));
}
$r->setUpdates(array($field => $new_value, $field . '_ts' => time()), AmazonDynamoDB::ACTION_PUT);
$params = $r->getParams();
$this->response = $this->dynamodb->update_item($params);
$status = $this->response->status;
if ($status == '200') {
return ddbUtil::parse_item($this->response->body);
} else {
return false;
}
}
