max update 10min and progress returned

public/elotracker/Tracker.php

@@ -98,10 +98,13 @@ class Tracker {
 		return $progressions;
 	}
 
-	public function update(): void {
+	public function update(callable $progressCallback): void {
 
+		$counter = 0;
 		foreach ($this->accounts as $puuid => $account) {
 			$account->update($this->entries[$puuid]);
+			$counter++;
+			$progressCallback($counter / sizeof($this->accounts));
 		}
 
 	}

public/elotracker/update.php

@@ -1,6 +1,43 @@
 <?php
 
+header("X-Accel-Buffering: no");
+header('Content-Type: text/event-stream');
+header('Cache-Control: no-cache');
+header('Connection: keep-alive');
+
+ignore_user_abort(true);
+
+function sendEvent(string $event, string $data): void{
+	echo "event: $event\n";
+	echo "data: $data\n\n";
+	ob_flush();
+	flush();
+}
+
+
+require_once __DIR__."/../util/mysql_connect.php";
+$conn = new MySQLConnection();
+
+$result = $conn->query("
+	SELECT date
+	FROM updates
+	WHERE date > SUBTIME(NOW(), '00:10:00')
+	LIMIT 1
+");
+if ($result->num_rows > 0) {
+	sendEvent("forbidden", $result->fetch_assoc()["date"]);
+	die;
+}
+
+$conn->query("INSERT INTO updates VALUES ()");
+
 require_once __DIR__."/Tracker.php";
 
+sendEvent("progress", 0);
+
 $tracker = new Tracker();
-$tracker->update();
+$tracker->update(function($value){
+	sendEvent('progress', $value);
+});
+
+sendEvent("done", "");