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@ -3,6 +3,7 @@
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namespace AirQuality\Actions;
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use \SBRL\TomlConfig;
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use \SBRL\ResponseEncoder;
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use \AirQuality\Repositories\IMeasurementDataRepository;
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use \AirQuality\Repositories\IMeasurementTypeRepository;
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use \AirQuality\ApiResponseSender;
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@ -47,8 +48,11 @@ class FetchData implements IAction {
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$this->validator->is_datetime("datetime");
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$this->validator->exists("reading_type");
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$this->validator->is_max_length("reading_type", 256);
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if(!empty($_GET["format"]))
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$this->validator->is_preset_value("format", ["json", "csv"], 406);
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$this->validator->run();
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$format = $_GET["format"] ?? "json";
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$measurement_type_id = $this->type_repo->get_id($_GET["reading_type"]);
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if($measurement_type_id == null) {
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@ -60,24 +64,42 @@ class FetchData implements IAction {
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return false;
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}
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// 2: Pull data from database
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$data = $this->measurement_repo->get_readings_by_date(
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new \DateTime($_GET["datetime"]),
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$measurement_type_id
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);
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// 2.5: Validate data from database
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if(empty($data)) {
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http_response_code(404);
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header("content-type: text/plain");
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header("x-time-taken: " . PerfFormatter::format_perf_data($start_time, $start_handle, null));
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echo("Error: No data could be found for that timestamp.");
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$this->sender->send_error_plain(404,
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"Error: No data could be found for that timestamp.",
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[ PerfFormatter::format_perf_data($start_time, $start_handle, null) ]
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);
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return false;
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}
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// 3: Serialise data
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$start_encode = microtime(true);
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$response = json_encode($data);
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$response_type = "application/octet-stream";
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$response_suggested_filename = "data-" . date(\DateTime::ATOM) . "";
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$response = null;
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switch($format) {
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case "json":
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$response_type = "application/json";
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$response_suggested_filename .= ".json";
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$response = json_encode($data);
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break;
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case "csv":
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$response_type = "text/csv";
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$response_suggested_filename .= ".csv";
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$response = ResponseEncoder::encode_csv($data);
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break;
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}
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// 4: Send response
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@ -86,8 +108,9 @@ class FetchData implements IAction {
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header("cache-control: public, max-age=" . $this->settings->get("cache.max-age"));
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}
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header("content-type: $response_type");
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header("content-length: " . strlen($response));
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header("content-type: application/json");
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header("content-disposition: inline; filename=$response_suggested_filename");
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header("x-time-taken: " . PerfFormatter::format_perf_data($start_time, $start_handle, $start_encode));
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echo($response);
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return true;
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