upload framework

src/Demo/Parser.php

@@ -0,0 +1,133 @@
+<?php namespace Demostf\API\Demo;
+
+use GuzzleHttp\Client;
+
+class Parser {
+	const ANALYSER_BASEURL = 'http://demoserver.azurewebsites.net';
+
+	/**
+	 * @param string $head string containing the demo header binary data
+	 * @return Header
+	 * @throws \Exception
+	 */
+	public function parseString($head) {
+		set_error_handler(array($this, 'errorHandler'));
+		$info = unpack("A8type/Iversion/Iprotocol/A260server/A260nick/A260map/A260game/fduration/Iticks/Iframes/Isigon",
+			$head);
+		restore_error_handler();
+		if ($info['type'] !== 'HL2DEMO') {
+			throw new \Exception('Not an HL2 demo');
+		}
+		return new Header($info);
+	}
+
+	/**
+	 * Parse demo info from a stream
+	 *
+	 * @param resource $stream
+	 * @return Header
+	 * @throws \Exception
+	 */
+	public function parseStream($stream) {
+		$head = fread($stream, 2048);
+		return $this->parseString($head);
+	}
+
+	/**
+	 * Parse demo info from a local file
+	 *
+	 * @param string $path
+	 * @return Header
+	 * @throws \Exception
+	 */
+	public function parseHeader($path) {
+		if (!is_readable($path)) {
+			throw new \Exception('Unable to open demo: ' . $path);
+		}
+		$fh = fopen($path, 'rb');
+		return $this->parseStream($fh);
+	}
+
+	public function analyse(StoredDemo $storedDemo) {
+		$endPoint = self::ANALYSER_BASEURL . '/url';
+		$client = new Client();
+		$response = $client->post($endPoint, [
+			'body' => $storedDemo->getUrl()
+		]);
+		$data = $response->getBody();
+		return $this->handleData($data);
+	}
+
+	private function handleData($data) {
+		if (!is_array($data)) {
+			throw new \Exception('Error parsing demo');
+		}
+		$intervalPerTick = $data['intervalPerTick'];
+		$red = 0;
+		$blue = 0;
+		$chat = [];
+		$players = [];
+		foreach ($data['rounds'] as $round) {
+			if ($round['winner'] === 'red') {
+				$red++;
+			} else {
+				$blue++;
+			}
+		}
+
+		foreach ($data['chat'] as $message) {
+			if (isset($message['from'])) {
+				$chat[] = [
+					'time' => floor(($message['tick'] - $data['startTick']) * $intervalPerTick),
+					'from' => $message['from'],
+					'text' => $message['text']
+				];
+			}
+		}
+
+		foreach ($data['users'] as $player) {
+			$class = 0;
+			$classSpawns = 0;
+			foreach ($player['classes'] as $classId => $spawns) {
+				if ($spawns > $classSpawns) {
+					$classSpawns = $spawns;
+					$class = $classId;
+				}
+			}
+			if ($class and $player['steamId']) {//skip spectators
+				$players[] = [
+					'name' => $player['name'],
+					'demo_user_id' => $player['userId'],
+					'steam_id' => $player['steamId'],
+					'team' => $player['team'],
+					'class' => $this->getClassName($class)
+				];
+			}
+		}
+
+		return [
+			'score' => [
+				'red' => $red,
+				'blue' => $blue
+			],
+			'chat' => $chat,
+			'players' => $players,
+			'kills' => $data['deaths']
+		];
+	}
+
+	private function getClassName($classId) {
+		$classes = [
+			1 => 'scout',
+			2 => 'sniper',
+			3 => 'soldier',
+			4 => 'demoman',
+			5 => 'medic',
+			6 => 'heavyweapons',
+			7 => 'pyro',
+			8 => 'spy',
+			9 => 'engineer'
+		];
+		return isset($classes[$classId]) ? $classes[$classId] : 'Unknown';
+	}
+}