feat: derive autoresponder schedule from backend

2026-06-02 19:55:07 +02:00
parent a0bd158a2e
commit f3abc7b33f
19 changed files with 248 additions and 43 deletions
@@ -0,0 +1,51 @@
+<?php
+declare(strict_types=1);
+
+final class BackendRuntimeConfig
+{
+    public static function sync(Settings $settings, string $backendScript, string $statePath = Settings::CONFIG_DIR . '/backend-state.json', string $errorLog = ''): void
+    {
+        $desired = $settings->backendMode();
+        $current = self::currentBackend($statePath);
+        if ($current === $desired) {
+            return;
+        }
+
+        if (!is_file($backendScript) || !is_executable($backendScript)) {
+            self::log($errorLog, 'Backend script not executable: ' . $backendScript);
+            return;
+        }
+
+        $process = proc_open([$backendScript, $desired], [['pipe', 'r'], ['pipe', 'w'], ['pipe', 'w']], $pipes);
+        if (!is_resource($process)) {
+            self::log($errorLog, 'Could not start backend script.');
+            return;
+        }
+        fclose($pipes[0]);
+        stream_get_contents($pipes[1]);
+        $stderr = stream_get_contents($pipes[2]);
+        fclose($pipes[1]);
+        fclose($pipes[2]);
+        $code = proc_close($process);
+        if ($code !== 0) {
+            self::log($errorLog, 'Backend script failed with code ' . $code . ': ' . trim($stderr));
+        }
+    }
+
+    private static function currentBackend(string $statePath): string
+    {
+        if (!is_file($statePath)) {
+            return '';
+        }
+        $data = json_decode((string)file_get_contents($statePath), true);
+        return is_array($data) ? (string)($data['active_backend'] ?? '') : '';
+    }
+
+    private static function log(string $errorLog, string $message): void
+    {
+        if ($errorLog === '') {
+            return;
+        }
+        @error_log('[' . date('c') . '] BACKEND_SYNC ' . $message . "\n", 3, $errorLog);
+    }
+}