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<?php |
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namespace Anax\RemServer; |
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use Anax\Commons\ContainerInjectableInterface; |
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use Anax\Commons\ContainerInjectableTrait; |
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/** |
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* A controller for the REM Server. |
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*/ |
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class RemServerController implements ContainerInjectableInterface |
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{ |
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use ContainerInjectableTrait; |
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/** |
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* Initiate the REM server before each action, if it has not already |
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* some dataset(s). |
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* |
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* @return void |
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*/ |
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public function initialize() : void |
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{ |
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$rem = $this->di->get("remserver"); |
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if (!$rem->hasDataset()) { |
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$rem->init(); |
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} |
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} |
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/** |
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* Init or re-init the REM Server. |
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* |
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* @return array |
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*/ |
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public function initActionGet() : array |
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{ |
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$rem = $this->di->get("remserver"); |
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$rem->init(); |
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$json = [ |
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"message" => "The session is initiated with the default dataset(s).", |
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"dataset" => $rem->getDefaultDataset(), |
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]; |
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return [$json]; |
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} |
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/** |
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* Get a dataset $key or parts of it by using the querystring. |
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* |
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* @param string $dataset identifier for the dataset |
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* |
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* @return array |
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*/ |
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public function getDataset($dataset) : array |
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{ |
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$request = $this->di->get("request"); |
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$dataset = $this->di->get("remserver")->getDataset($dataset); |
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$offset = $request->getGet("offset", 0); |
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$limit = $request->getGet("limit", 25); |
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$json = [ |
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"data" => array_slice($dataset, $offset, $limit), |
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"offset" => $offset, |
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"limit" => $limit, |
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"total" => count($dataset) |
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]; |
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return [$json]; |
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} |
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/** |
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* Get one item from the dataset. |
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* |
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* @param string $dataset identifier for the dataset |
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* @param int $itemId for the item to get |
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* |
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* @return array |
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*/ |
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public function getItem(string $dataset, int $itemId) : array |
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{ |
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$item = $this->di->get("remserver")->getItem($dataset, $itemId); |
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if (!$item) { |
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return [["message" => "The item is not found."]]; |
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} |
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return [$item]; |
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} |
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/** |
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* Create a new item by getting the entry from the request body and add |
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* to the dataset. |
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* |
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* @param string $dataset identifier for the dataset |
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* |
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* @return array |
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*/ |
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public function postItem(string $dataset) : array |
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{ |
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try { |
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$entry = $this->di->get("request")->getBodyAsJson(); |
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} catch (\JsonException $e) { |
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return [ |
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["message" => "500. HTTP request body is not an object/array or valid JSON."], |
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500 |
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]; |
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} |
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$item = $this->di->get("remserver")->addItem($dataset, $entry); |
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return [$item]; |
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} |
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/** |
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* Upsert/replace an item in the dataset, entry is taken from request body. |
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* |
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* @param string $dataset for the dataset |
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* @param int $itemId for the item to delete |
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* |
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* @return void |
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*/ |
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public function putItem(string $dataset, int $itemId) : array |
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{ |
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try { |
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$entry = $this->di->get("request")->getBodyAsJson(); |
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} catch (\JsonException $e) { |
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return [ |
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["message" => "500. HTTP request body is not an object/array or valid JSON."], |
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500 |
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]; |
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} |
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$item = $this->di->get("remserver")->upsertItem($dataset, $itemId, $entry); |
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return [$item]; |
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} |
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/** |
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* Delete an item from the dataset. |
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* |
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* @param string $dataset for the dataset |
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* @param int $itemId for the item to delete |
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* |
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* @return array |
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*/ |
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public function deleteItem(string $dataset, int $itemId) : array |
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{ |
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$this->di->get("remserver")->deleteItem($dataset, $itemId); |
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$json = [ |
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"message" => "Item id '$itemId' was deleted from dataset '$dataset'.", |
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]; |
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return [$json]; |
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} |
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/** |
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* Show a message that the route is unsupported, a local 404. |
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* |
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* @return void |
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*/ |
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public function catchAll() |
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{ |
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return [["message" => "404. The api does not support that."], 404]; |
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} |
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} |
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