/**
* Constructor
*
* @param HTTP\Request $request
* @param HTTP\Response $response
* @param string $format one of png, jpeg, gif
*/
public function __construct(HTTP\Request $request, HTTP\Response $response, $format = 'png')
{
parent::__construct($request, $response);
// to enabled jpgraphs graphical exception handler
restore_exception_handler();
if ($this->request->getParameter('width')) {
$this->width = $this->request->getParameter('width');
}
if ($this->request->getParameter('height')) {
$this->height = $this->request->getParameter('height');
}
$this->colors = Util\Configuration::read('colors');
$this->graph = new \Graph($this->width, $this->height);
$this->graph->img->SetImgFormat($format);
// Specify what scale we want to use,
$this->graph->SetScale('datlin');
$this->graph->legend->SetPos(0.03, 0.06);
$this->graph->legend->SetShadow(FALSE);
$this->graph->legend->SetFrameWeight(1);
$this->graph->SetMarginColor('white');
$this->graph->SetYDeltaDist(65);
$this->graph->yaxis->SetTitlemargin(36);
$this->graph->SetTickDensity(TICKD_DENSE, TICKD_SPARSE);
$this->graph->xaxis->SetFont(FF_ARIAL);
$this->graph->xaxis->SetLabelAngle(45);
$this->graph->xaxis->SetLabelFormatCallback(function ($label) {
return date('j.n.y G:i', $label);
});
$this->graph->img->SetAntiAliasing(function_exists('imageantialias'));
}
/**
* Processes the request
*
* Example: http://sub.domain.local/middleware.php/channel/550e8400-e29b-11d4-a716-446655440000/data.json?operation=edit&title=New Title
*/
public function run()
{
$operation = self::getOperation($this->view->request);
$context = explode('/', substr($this->pathInfo, 1, strrpos($this->pathInfo, '.') - 1));
// parse pathinfo
if (!array_key_exists($context[0], self::$controllerMapping)) {
if (empty($context[0])) {
throw new \Exception('Missing context');
} else {
throw new \Exception('Unknown context: \'' . $context[0] . '\'');
}
}
$class = self::$controllerMapping[$context[0]];
$controller = new $class($this->view, $this->em);
$result = $controller->run($operation, array_slice($context, 1));
$this->view->add($result);
}
/**
* Constructor
*
* @param Symfony\Component\HttpFoundation\Request $request
* @param string $format one of png, jpeg, gif
*/
public function __construct(Request $request, $format = 'png')
{
parent::__construct($request);
$this->response->headers->set('Content-Type', 'image/' . $format);
// load JpGraph
// NOTE: JpGraph installs its own graphical error handler
\JpGraph\JpGraph::load();
\JpGraph\JpGraph::module('date');
\JpGraph\JpGraph::module('line');
if ($this->request->query->has('width')) {
$this->width = $this->request->query->get('width');
}
if ($this->request->query->has('height')) {
$this->height = $this->request->query->get('height');
}
$this->colors = Util\Configuration::read('colors');
$this->graph = new \Graph($this->width, $this->height);
// disable JpGraph default handler
restore_exception_handler();
$this->graph->img->SetImgFormat($format);
// Specify what scale we want to use,
$this->graph->SetScale('datlin');
$this->graph->legend->SetPos(0.03, 0.06);
$this->graph->legend->SetShadow(FALSE);
$this->graph->legend->SetFrameWeight(1);
$this->graph->SetMarginColor('white');
$this->graph->SetYDeltaDist(65);
$this->graph->yaxis->SetTitlemargin(36);
$this->graph->SetTickDensity(TICKD_DENSE, TICKD_SPARSE);
$this->graph->xaxis->SetFont(FF_ARIAL);
$this->graph->xaxis->SetLabelAngle(45);
$this->graph->xaxis->SetLabelFormatCallback(function ($label) {
return date('j.n.y G:i', $label);
});
if (function_exists('imageantialias')) {
$this->graph->img->SetAntiAliasing(true);
}
}
/**
* Add an array of objects to the output
*/
protected function addArray($data, &$refNode)
{
if (is_null($refNode)) {
$refNode = array();
}
foreach ($data as $index => $value) {
if (is_array($value)) {
$this->addArray($value, $refNode[$index]);
} elseif ($value instanceof Model\Entity) {
$refNode[$index] = self::convertEntity($value);
} elseif ($value instanceof Interpreter\Interpreter) {
// special case: interpreters are always added to the root node
if (!isset($this->json['data'])) {
$this->json['data'] = array();
}
$this->json['data'][] = $value;
} elseif (is_numeric($value)) {
$refNode[$index] = View::formatNumber($value);
} else {
$refNode[$index] = $value;
}
}
}
/**
* Add data to output queue
*
* @param Interpreter\InterpreterInterface $interpreter
* @param boolean $children
* @todo Aggregate first is assumed- this deviates from json view behaviour
*/
protected function addData(Interpreter\Interpreter $interpreter)
{
$this->response->headers->set('Content-Disposition', 'attachment; ' . 'filename="' . strtolower($interpreter->getEntity()->getProperty('title')) . '.csv" ');
echo PHP_EOL;
// UUID delimiter
echo '# uuid:' . CSV::DELIMITER . $interpreter->getEntity()->getUuid() . PHP_EOL;
echo '# title:' . CSV::DELIMITER . $interpreter->getEntity()->getProperty('title') . PHP_EOL;
if ($interpreter instanceof Interpreter\AggregatorInterpreter) {
// min/ max etc are not populated if $children->processData hasn't been called
return;
}
$data = array();
// iterate through PDO resultset
foreach ($interpreter as $tuple) {
$data[] = $tuple;
}
$min = $interpreter->getMin();
$max = $interpreter->getMax();
$average = $interpreter->getAverage();
$consumption = $interpreter->getConsumption();
$from = $this->formatTimestamp($interpreter->getFrom());
$to = $this->formatTimestamp($interpreter->getTo());
if (isset($from)) {
echo '# from:' . CSV::DELIMITER . $from . PHP_EOL;
}
if (isset($to)) {
echo '# to:' . CSV::DELIMITER . $to . PHP_EOL;
}
if (isset($min)) {
echo '# min:' . CSV::DELIMITER . $this->formatTimestamp($min[0]) . CSV::DELIMITER . ' => ' . CSV::DELIMITER . View::formatNumber($min[1]) . PHP_EOL;
}
if (isset($max)) {
echo '# max:' . CSV::DELIMITER . $this->formatTimestamp($max[0]) . CSV::DELIMITER . ' => ' . CSV::DELIMITER . View::formatNumber($max[1]) . PHP_EOL;
}
if (isset($average)) {
echo '# average:' . CSV::DELIMITER . View::formatNumber($average) . PHP_EOL;
}
if (isset($consumption)) {
echo '# consumption:' . CSV::DELIMITER . View::formatNumber($consumption) . PHP_EOL;
}
echo '# rows:' . CSV::DELIMITER . $interpreter->getRowCount() . PHP_EOL;
if (isset($data)) {
// Aggregators don't return data
foreach ($data as $tuple) {
echo $this->formatTimestamp($tuple[0]) . CSV::DELIMITER . View::formatNumber($tuple[1]) . CSV::DELIMITER . $tuple[2] . PHP_EOL;
}
}
}
/**
* Add data to output queue
*
* @param $interpreter
*/
protected function addData($interpreter)
{
$xmlDoc = $this->xmlDoc;
$xmlData = $this->xmlDoc->createElement('data');
$xmlTuples = $this->xmlDoc->createElement('tuples');
$data = $interpreter->processData(function ($tuple) use($xmlDoc, $xmlTuples) {
$xmlTuple = $xmlDoc->createElement('tuple');
$xmlTuple->setAttribute('timestamp', $tuple[0]);
$xmlTuple->setAttribute('value', View::formatNumber($tuple[1]));
$xmlTuple->setAttribute('count', $tuple[2]);
$xmlTuples->appendChild($xmlTuple);
return $tuple;
});
$from = $interpreter->getFrom();
$to = $interpreter->getTo();
$min = $interpreter->getMin();
$max = $interpreter->getMax();
$average = $interpreter->getAverage();
$consumption = $interpreter->getConsumption();
$xmlData->appendChild($this->xmlDoc->createElement('uuid', $interpreter->getEntity()->getUuid()));
if (isset($from)) {
$xmlData->appendChild($this->xmlDoc->createElement('from', $from));
}
if (isset($to)) {
$xmlData->appendChild($this->xmlDoc->createElement('to', $to));
}
if (isset($min)) {
$xmlMin = $this->xmlDoc->createElement('min');
$xmlMin->setAttribute('timestamp', $min[0]);
$xmlMin->setAttribute('value', $min[1]);
$xmlData->appendChild($xmlMin);
}
if (isset($max)) {
$xmlMax = $this->xmlDoc->createElement('max');
$xmlMax->setAttribute('timestamp', $max[0]);
$xmlMax->setAttribute('value', $max[1]);
$xmlData->appendChild($xmlMax);
}
if (isset($average)) {
$xmlData->appendChild($this->xmlDoc->createElement('average', View::formatNumber($average)));
}
if (isset($consumption)) {
$xmlData->appendChild($this->xmlDoc->createElement('consumption', View::formatNumber($consumption)));
}
$xmlData->appendChild($this->xmlDoc->createElement('rows', $interpreter->getRowCount()));
if (($interpreter->getTupleCount() > 0 || is_null($interpreter->getTupleCount())) && count($data) > 0) {
$xmlData->appendChild($xmlTuples);
}
$this->xmlRoot->appendChild($xmlData);
}
/**
* Add data to output queue
*
* @param $interpreter
* @param boolean $children
*/
protected function addData($interpreter, $children = false)
{
$xmlDoc = $this->xmlDoc;
$xmlData = $children ? $this->xmlDoc->createElement('data') : $this->obtainElementById('data');
$xmlTuples = $this->xmlDoc->createElement('tuples');
// iterate through PDO resultset
foreach ($interpreter as $tuple) {
$xmlTuple = $xmlDoc->createElement('tuple');
$xmlTuple->setAttribute('timestamp', $tuple[0]);
$xmlTuple->setAttribute('value', View::formatNumber($tuple[1]));
$xmlTuple->setAttribute('count', $tuple[2]);
$xmlTuples->appendChild($xmlTuple);
}
$from = $interpreter->getFrom();
$to = $interpreter->getTo();
$min = $interpreter->getMin();
$max = $interpreter->getMax();
$average = $interpreter->getAverage();
$consumption = $interpreter->getConsumption();
$xmlData->appendChild($this->xmlDoc->createElement('uuid', $interpreter->getEntity()->getUuid()));
if (isset($from)) {
$xmlData->appendChild($this->xmlDoc->createElement('from', $from));
}
if (isset($to)) {
$xmlData->appendChild($this->xmlDoc->createElement('to', $to));
}
if (isset($min)) {
$xmlMin = $this->xmlDoc->createElement('min');
$xmlMin->setAttribute('timestamp', $min[0]);
$xmlMin->setAttribute('value', $min[1]);
$xmlData->appendChild($xmlMin);
}
if (isset($max)) {
$xmlMax = $this->xmlDoc->createElement('max');
$xmlMax->setAttribute('timestamp', $max[0]);
$xmlMax->setAttribute('value', $max[1]);
$xmlData->appendChild($xmlMax);
}
if (isset($average)) {
$xmlData->appendChild($this->xmlDoc->createElement('average', View::formatNumber($average)));
}
if (isset($consumption)) {
$xmlData->appendChild($this->xmlDoc->createElement('consumption', View::formatNumber($consumption)));
}
$xmlData->appendChild($this->xmlDoc->createElement('rows', $interpreter->getRowCount()));
if (($interpreter->getTupleCount() > 0 || is_null($interpreter->getTupleCount())) && count($xmlTuples) > 0) {
$xmlData->appendChild($xmlTuples);
}
if ($children) {
$xmlChildren = $this->obtainElementById('children');
$xmlChildren->appendChild($xmlData);
$xmlParentData = $this->obtainElementById('data');
$xmlParentData->appendChild($xmlChildren);
$this->xmlRoot->appendChild($xmlParentData);
} else {
$this->xmlRoot->appendChild($xmlData);
}
}
protected function addArray($data, &$refNode)
{
if (is_null($refNode)) {
$refNode = array();
}
foreach ($data as $index => $value) {
if ($value instanceof Util\JSON || is_array($value)) {
$this->addArray($value, $refNode[$index]);
} elseif ($value instanceof Model\Entity) {
$refNode[$index] = self::convertEntity($value);
} elseif (is_numeric($value)) {
$refNode[$index] = View::formatNumber($value);
} else {
$refNode[$index] = $value;
}
}
}
/**
* Add data to output queue
*
* @param Interpreter\InterpreterInterface $interpreter
*/
protected function addData(Interpreter\Interpreter $interpreter)
{
$this->response->setHeader('Content-Disposition', 'attachment; ' . 'filename="' . strtolower($interpreter->getEntity()->getProperty('title')) . '.csv" ' . 'creation-date="' . date(DATE_RFC2822, $interpreter->getTo() / 1000) . '"');
$tuples = $interpreter->processData(function ($tuple) {
return array($tuple[0], View::formatNumber($tuple[1]), $tuple[2]);
});
$min = $interpreter->getMin();
$max = $interpreter->getMax();
$average = $interpreter->getAverage();
$consumption = $interpreter->getConsumption();
$from = $interpreter->getFrom();
$to = $interpreter->getTo();
echo '# uuid: ' . $interpreter->getEntity()->getUuid() . PHP_EOL;
if (isset($from)) {
echo '# from: ' . $from . PHP_EOL;
}
if (isset($to)) {
echo '# to: ' . $to . PHP_EOL;
}
if (isset($min)) {
echo '# min: ' . $min[0] . ' => ' . $min[1] . PHP_EOL;
}
if (isset($max)) {
echo '# max: ' . $max[0] . ' => ' . $max[1] . PHP_EOL;
}
if (isset($average)) {
echo '# average: ' . View::formatNumber($average) . PHP_EOL;
}
if (isset($consumption)) {
echo '# consumption: ' . View::formatNumber($consumption) . PHP_EOL;
}
echo '# rows: ' . $interpreter->getRowCount() . PHP_EOL;
foreach ($tuples as $tuple) {
echo implode(CSV::DELIMITER, $tuple) . PHP_EOL;
}
}