/**
* Gets the data within a channel.
*
* Body of output document takes the form:
*
* <code>
* [{"object_type":"x","communication_key":"y","position":"99","data":{...},...]
* </code>
*
* @param array $params The following keys are expected:
* `array('channelset'=>'name of channelset','channel'=>'name of channel')`
*/
public function restGetChannelsetChannel($params)
{
$channelsetId = $this->getChannelSetId($params['channelset']);
$userRec = $this->getUser($channelsetId);
InstructionControl::setUserChannelset($userRec['id'], $channelsetId);
$data = InstructionControl::getInstructionForChannel(InstructionControl::getChannelId($channelsetId, $params['channel']));
header('HTTP/1.1 200 OK');
echo json_encode(InstructionControl::generateReturnDocument('CHANNEL_DATA', array(), array(), array(), array('channel' => $params['channel']), $data));
return true;
}
public function testGetInstructionForChannel()
{
// Load a load of data and check we can read it back.
$channel = genSaneGuid();
$channelId = $this->_getChannelId($channel);
$user = InstructionControl::getUser(null, genSaneGuid());
foreach ($this->providerAddInstructionData() as $dataChunk) {
$data = $dataChunk[1];
$objectType = $dataChunk[0];
$id = InstructionControl::reserveInstructionId($user['id'], $channelId, $objectType);
InstructionControl::addInstructionData($id, $data);
}
$loadedData = InstructionControl::getInstructionForChannel($channelId);
$position = 0;
foreach ($this->providerAddInstructionData() as $dataChunk) {
$data = $dataChunk[1];
$objectType = $dataChunk[0];
$loaded = array_shift($loadedData);
$expected = array('object_type' => $objectType, 'communication_key' => $user['communication_key'], 'position' => $position++, 'data' => $data);
$this->assertEquals($expected, $loaded);
}
// Also check that if we supply a non existant channel we get an empty
// array
$this->assertEquals(array(), InstructionControl::getInstructionForChannel(genSaneGuid()));
}
