From d2a4d34d29c205869189612b46a93ba10864ab97 Mon Sep 17 00:00:00 2001
From: lietuvis10 <50807912+lietuvis10@users.noreply.github.com>
Date: Mon, 27 Oct 2025 17:16:55 +0200
Subject: [PATCH] Create ajax_croppers.php

Ajax for cropper population info in step 3 installation.
---
 install/ajax_croppers.php | 88 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 install/ajax_croppers.php

diff --git a/install/ajax_croppers.php b/install/ajax_croppers.php
new file mode 100644
index 00000000..5d2e9d28
--- /dev/null
+++ b/install/ajax_croppers.php
@@ -0,0 +1,88 @@
+<?php
+// install/ajax_croppers.php
+// Streams croppers build progress via SSE
+
+// --- Includes ---
+require_once __DIR__ . '/../GameEngine/config.php';
+require_once __DIR__ . '/../GameEngine/Database.php';
+require_once __DIR__ . '/../GameEngine/Admin/database.php';
+
+// --- Headers for SSE and no buffering ---
+header('Content-Type: text/event-stream; charset=utf-8');
+header('Cache-Control: no-cache, no-store, must-revalidate');
+header('Pragma: no-cache');
+header('Expires: 0');
+header('Connection: keep-alive');
+// Disable nginx proxy buffering if present
+header('X-Accel-Buffering: no');
+
+@ini_set('zlib.output_compression', '0');
+@ini_set('output_buffering', 'off');
+@ini_set('implicit_flush', '1');
+@set_time_limit(0);
+
+// Kill any output buffers
+while (ob_get_level() > 0) { @ob_end_flush(); }
+ob_implicit_flush(true);
+
+// If any installer/session code might lock the session, release it
+if (session_status() === PHP_SESSION_ACTIVE) {
+    @session_write_close();
+}
+
+function sse_send(array $payload) {
+    echo "data: " . json_encode($payload, JSON_UNESCAPED_SLASHES) . "\n\n";
+    @flush();
+    @ob_flush();
+}
+
+function sse_ping() {
+    // Comment line per SSE spec, keeps connection alive
+    echo ":\n\n";
+    @flush();
+    @ob_flush();
+}
+
+global $database;
+
+// 1) Count total croppers
+try {
+    $total = $database->TotalCroppers();
+} catch (Throwable $e) {
+    sse_send(['pct'=>0,'done'=>0,'total'=>0,'msg'=>'Count failed: '.$e->getMessage()]);
+    exit;
+}
+
+sse_send(['pct'=>0,'done'=>0,'total'=>$total,'msg'=>"Starting croppers build (found $total tiles)…"]);
+
+// 2) Build with live reporter (pings to keep proxies happy)
+$lastPing = time();
+$reporter = function($done, $target, $pct) use (&$lastPing) {
+    sse_send(['pct'=>(int)$pct,'done'=>(int)$done,'total'=>(int)$target]);
+    // send keep-alive every ~10s
+    if (time() - $lastPing >= 10) {
+        sse_ping();
+        $lastPing = time();
+    }
+    if (connection_aborted()) { exit; } // client left
+};
+
+// Run it (fresh world => truncateFirst=true; big batch on dedicated server)
+$out = $database->populateCroppers($total, true, 20000, $reporter);
+
+if (!empty($out['ok'])) {
+    sse_send([
+        'pct'=>100,
+        'done'=>(int)$out['processed'],
+        'total'=>(int)$out['target'],
+        'msg'=>'Done building croppers.'
+    ]);
+} else {
+    sse_send([
+        'pct'=>0,
+        'done'=>0,
+        'total'=>(int)$total,
+        'msg'=>'Error: '.($out['msg'] ?? 'unknown')
+    ]);
+}
+exit;