feat: derive autoresponder schedule from backend

exec/bootstrap.php

@@ -12,6 +12,7 @@ define('PLUGIN_EXEC_DIR', __DIR__);
 
 foreach ([
     'Settings.php',
+    'BackendRuntimeConfig.php',
     'Http.php',
     'DirectAdminUser.php',
     'Lang.php',
@@ -30,6 +31,7 @@ require_once PLUGIN_EXEC_DIR . '/handlers/_form_helpers.php';
 
 try {
     $settings = Settings::load(Settings::EXTERNAL_SETTINGS);
+    BackendRuntimeConfig::sync($settings, PLUGIN_ROOT . '/scripts/backend.sh', Settings::CONFIG_DIR . '/backend-state.json');
     $user = DirectAdminUser::fromEnvironment($settings);
     $lang = Lang::load($user->language(), $settings);
     if (!$user->hasPluginAccess($settings)) {

exec/handlers/_form_helpers.php

@@ -16,14 +16,12 @@ function render_rule_form(AppContext $ctx, string $mode, ?array $rule): string
     $hiddenId = $isUpdate ? '<input type="hidden" name="id" value="' . AppContext::e($id) . '">' : '';
 
     return '<form method="post" action="' . AppContext::e($action) . '">' . $csrf . $hiddenId .
-        '<div class="grid grid-2"><div class="panel"><h3>Treść odpowiedzi</h3><div class="row"><div><label>' . AppContext::e($ctx->t('Subject')) . '</label><input type="text" name="subject" value="' . AppContext::e((string)$subject) . '"></div>' .
+        '<div class="panel"><h3>' . AppContext::e($ctx->t('Response content')) . '</h3><div class="row"><div><label>' . AppContext::e($ctx->t('Subject')) . '</label><input type="text" name="subject" value="' . AppContext::e((string)$subject) . '"></div>' .
         '<div><label>' . AppContext::e($ctx->t('Status')) . '</label><label class="br-time-item"><input type="checkbox" name="enabled" value="1" ' . ($enabled ? 'checked' : '') . '> ' . AppContext::e($ctx->t('Enabled')) . '</label></div></div>' .
         '<label>' . AppContext::e($ctx->t('Message body')) . '</label><textarea name="body">' . AppContext::e((string)$body) . '</textarea></div>' .
-        '<div class="panel"><h3>Podsumowanie</h3><div class="summary-card"><div class="kv"><strong>Zakres</strong><span>' . AppContext::e($ctx->t('All valid POP/IMAP mailboxes in this account')) . '</span></div>' .
-        '<div class="kv"><strong>Start</strong><span>' . AppContext::e($startValue) . '</span></div><div class="kv"><strong>Koniec</strong><span>' . AppContext::e($endValue) . '</span></div></div>' .
-        '<div class="actions"><button class="primary" type="submit">' . AppContext::e($ctx->t($isUpdate ? 'Save changes' : 'Save autoresponder')) . '</button><a class="btn" href="' . AppContext::e($ctx->url('index.html')) . '">' . AppContext::e($ctx->t('Cancel')) . '</a></div></div></div>' .
-        render_calendar_picker('start_value', 'Data rozpoczęcia', $startValue) .
-        render_calendar_picker('end_value', 'Data zakończenia', $endValue) .
+        render_calendar_picker($ctx, 'start_value', $ctx->t('Start date'), $startValue) .
+        render_calendar_picker($ctx, 'end_value', $ctx->t('End date'), $endValue) .
+        '<div class="panel"><div class="actions"><button class="primary" type="submit">' . AppContext::e($ctx->t($isUpdate ? 'Save changes' : 'Save autoresponder')) . '</button><a class="btn" href="' . AppContext::e($ctx->url('index.html')) . '">' . AppContext::e($ctx->t('Cancel')) . '</a></div></div>' .
         '</form>';
 }
 
@@ -32,18 +30,28 @@ function normalize_rule_post(array $post): array
 {
     foreach (['start_value', 'end_value'] as $key) {
         $date = trim((string)($post[$key . '_date'] ?? ''));
-        $hour = trim((string)($post[$key . '_hour'] ?? ''));
-        if ($date !== '' && preg_match('/^[0-9]{2}$/', $hour)) {
-            $post[$key] = $date . 'T' . $hour . ':00';
+        $time = trim((string)($post[$key . '_time'] ?? ''));
+        $period = trim((string)($post[$key . '_period'] ?? ''));
+        if ($date !== '' && preg_match('/^[0-9]{2}:[0-9]{2}$/', $time)) {
+            $post[$key] = $date . 'T' . $time;
+        } elseif ($date !== '' && preg_match('/^(morning|afternoon|evening)$/', $period)) {
+            $post[$key] = $date . '|' . $period;
         }
     }
     return $post;
 }
 
-function render_calendar_picker(string $name, string $title, string $value): string
+function render_calendar_picker(AppContext $ctx, string $name, string $title, string $value): string
 {
+    $mode = $ctx->settings->scheduleMode();
     $selectedDate = substr($value, 0, 10);
-    $selectedHour = substr($value, 11, 2) ?: '09';
+    $selectedTime = '09:00';
+    $selectedPeriod = 'morning';
+    if ($mode === 'exact_hour' && preg_match('/T([0-9]{2}:[0-9]{2})$/', $value, $m)) {
+        $selectedTime = $m[1];
+    } elseif ($mode === 'directadmin_period' && preg_match('/\|(morning|afternoon|evening)$/', $value, $m)) {
+        $selectedPeriod = $m[1];
+    }
     $days = '';
     for ($week = 0, $day = 1; $week < 4; $week++) {
         $days .= '<tr>';
@@ -54,14 +62,19 @@ function render_calendar_picker(string $name, string $title, string $value): str
         }
         $days .= '</tr>';
     }
-    $hours = '';
-    foreach (['08', '09', '10', '11', '12', '13', '14', '15', '16', '17', '18'] as $hour) {
-        $hours .= '<label class="br-time-item"><input type="radio" name="' . AppContext::e($name . '_hour') . '" value="' . $hour . '" ' . ($hour === $selectedHour ? 'checked' : '') . '> ' . $hour . ':00</label>';
+    if ($mode === 'exact_hour') {
+        $timeControl = '<label>' . AppContext::e($ctx->t('Time')) . '</label><input type="time" name="' . AppContext::e($name . '_time') . '" value="' . AppContext::e($selectedTime) . '" step="60">';
+    } else {
+        $timeControl = '<label>' . AppContext::e($ctx->t('Time of day')) . '</label><select name="' . AppContext::e($name . '_period') . '">' .
+            '<option value="morning"' . ($selectedPeriod === 'morning' ? ' selected' : '') . '>' . AppContext::e($ctx->t('Morning')) . '</option>' .
+            '<option value="afternoon"' . ($selectedPeriod === 'afternoon' ? ' selected' : '') . '>' . AppContext::e($ctx->t('Afternoon')) . '</option>' .
+            '<option value="evening"' . ($selectedPeriod === 'evening' ? ' selected' : '') . '>' . AppContext::e($ctx->t('Evening')) . '</option>' .
+            '</select>';
     }
     return '<div class="panel"><h3>' . AppContext::e($title) . '</h3><div class="br-restore-layout"><div class="br-restore-calendar"><h4>' . AppContext::e($title) . '</h4><div class="br-month-nav"><button type="button" class="br-month-btn">&lsaquo;</button><span class="br-month-label">Czerwiec 2026</span><button type="button" class="br-month-btn">&rsaquo;</button></div>' .
         '<table class="br-calendar-grid"><thead><tr><th>Pn</th><th>Wt</th><th>Śr</th><th>Cz</th><th>Pt</th><th>Sb</th><th>Nd</th></tr></thead><tbody>' . $days . '</tbody></table>' .
         '<div class="br-date-label" id="' . AppContext::e($name . '_label') . '">Wybrano: ' . AppContext::e($selectedDate) . '</div><input type="hidden" id="' . AppContext::e($name . '_date') . '" name="' . AppContext::e($name . '_date') . '" value="' . AppContext::e($selectedDate) . '"></div>' .
-        '<div class="br-restore-calendar"><h4>Godzina</h4><div class="br-time-picker"><div class="br-time-title">Wybierz godzinę</div><div class="br-time-list">' . $hours . '</div></div></div></div>' .
+        '<div class="br-restore-calendar"><h4>' . AppContext::e($ctx->t('Time')) . '</h4>' . $timeControl . '</div></div>' .
         '<input type="hidden" name="' . AppContext::e($name) . '" value="' . AppContext::e($value) . '"></div>';
 }
 

exec/handlers/delete.php

@@ -5,7 +5,7 @@ return static function (AppContext $ctx): void {
     $id = Http::isPost() ? $ctx->post('id') : $ctx->query('id');
     $rule = $ctx->rules->find($ctx->daUser->username(), $id);
     if ($rule === null) {
-        $ctx->render('Confirm deletion', '<div class="alert alert-err">Rule not found</div>');
+        $ctx->render('Confirm deletion', '<div class="alert alert-err">' . AppContext::e($ctx->t('Rule not found')) . '</div>');
         return;
     }
     if (Http::isPost()) {
@@ -20,7 +20,7 @@ return static function (AppContext $ctx): void {
         }
     }
     $body = '<div class="grid grid-2"><div class="panel"><h3>' . AppContext::e($ctx->t('Preview autoresponder')) . '</h3>' . render_preview_box($rule) . '</div>' .
-        '<div class="panel"><h3>' . AppContext::e($ctx->t('Confirm deletion')) . '</h3><div class="alert alert-err">Usunięcie reguły wyłączy odpowiedź automatyczną utworzoną przez tę regułę dla objętych skrzynek.</div>' .
+        '<div class="panel"><h3>' . AppContext::e($ctx->t('Confirm deletion')) . '</h3><div class="alert alert-err">' . AppContext::e($ctx->t('Deleting this rule will disable the automatic reply created by this rule for covered mailboxes.')) . '</div>' .
         '<form method="post" action="' . AppContext::e($ctx->url('delete.html')) . '">' . $ctx->csrfField('delete:' . $id) . '<input type="hidden" name="id" value="' . AppContext::e($id) . '">' .
         '<div class="actions"><button class="danger-fill" type="submit">' . AppContext::e($ctx->t('Delete autoresponder')) . '</button><a class="btn" href="' . AppContext::e($ctx->url('index.html')) . '">' . AppContext::e($ctx->t('Do not delete')) . '</a></div></form></div></div>';
     $ctx->render('Confirm deletion', $body);

exec/handlers/index.php

@@ -24,8 +24,8 @@ return static function (AppContext $ctx): void {
         $enabled = !empty($rule['enabled']);
         $rows .= '<tr><td><span class="badge ' . ($enabled ? 'ok' : 'off') . '">' . AppContext::e($ctx->t($enabled ? 'Enabled' : 'Disabled')) . '</span></td>';
         $rows .= '<td>' . AppContext::e((string)$rule['subject']) . '<br><span class="muted">' . date('Y-m-d H:i', (int)($rule['updated_at'] ?? time())) . '</span></td>';
-        $rows .= '<td>' . AppContext::e(date('Y-m-d H:i', (int)$rule['start_ts'])) . '<br><span class="muted">do ' . AppContext::e(date('Y-m-d H:i', (int)$rule['end_ts'])) . '</span></td>';
-        $rows .= '<td>' . AppContext::e($rule['dynamic_scope'] ? 'Dynamiczny' : 'Snapshot') . '</td><td><span class="table-actions">';
+        $rows .= '<td>' . AppContext::e(date('Y-m-d H:i', (int)$rule['start_ts'])) . '<br><span class="muted">' . AppContext::e($ctx->t('To')) . ' ' . AppContext::e(date('Y-m-d H:i', (int)$rule['end_ts'])) . '</span></td>';
+        $rows .= '<td>' . AppContext::e($ctx->t($rule['dynamic_scope'] ? 'Dynamic' : 'Snapshot')) . '</td><td><span class="table-actions">';
         $rows .= '<a class="btn" href="' . AppContext::e($ctx->url('update.html', ['id' => $id])) . '">' . AppContext::e($ctx->t('Edit')) . '</a>';
         $rows .= '<a class="btn" href="' . AppContext::e($ctx->url('preview.html', ['id' => $id])) . '">' . AppContext::e($ctx->t('Preview')) . '</a>';
         $rows .= '<form method="post" action="' . AppContext::e($ctx->url('toggle.html')) . '">' . $ctx->csrfField('toggle:' . $id) . '<input type="hidden" name="id" value="' . AppContext::e($id) . '"><button>' . AppContext::e($ctx->t($enabled ? 'Disable' : 'Enable')) . '</button></form>';
@@ -35,6 +35,6 @@ return static function (AppContext $ctx): void {
 
     $body = '<div class="panel"><div class="panel-head"><div><h3>' . AppContext::e($ctx->t('Global autoresponders')) . '</h3><p class="muted">' . AppContext::e($ctx->t('All valid POP/IMAP mailboxes in this account')) . '</p></div>' .
         '<a class="btn amber" href="' . AppContext::e($ctx->url('create.html')) . '">' . AppContext::e($ctx->t('Add autoresponder')) . '</a></div>' .
-        '<table><thead><tr><th>Status</th><th>' . AppContext::e($ctx->t('Subject')) . '</th><th>Okres wysyłki</th><th>Zakres</th><th>Akcje</th></tr></thead><tbody>' . $rows . '</tbody></table></div>';
+        '<table><thead><tr><th>' . AppContext::e($ctx->t('Status')) . '</th><th>' . AppContext::e($ctx->t('Subject')) . '</th><th>' . AppContext::e($ctx->t('Sending period')) . '</th><th>' . AppContext::e($ctx->t('Scope')) . '</th><th>' . AppContext::e($ctx->t('Actions')) . '</th></tr></thead><tbody>' . $rows . '</tbody></table></div>';
     $ctx->render('Global autoresponders', $body, $ok);
 };

exec/handlers/preview.php

@@ -5,12 +5,12 @@ return static function (AppContext $ctx): void {
     $id = $ctx->query('id');
     $rule = $ctx->rules->find($ctx->daUser->username(), $id);
     if ($rule === null) {
-        $ctx->render('Preview autoresponder', '<div class="alert alert-err">Rule not found</div>');
+        $ctx->render('Preview autoresponder', '<div class="alert alert-err">' . AppContext::e($ctx->t('Rule not found')) . '</div>');
         return;
     }
     $body = '<div class="grid grid-2"><div class="panel"><h3>' . AppContext::e($ctx->t('Preview autoresponder')) . '</h3>' . render_preview_box($rule) . '</div>' .
-        '<div class="panel"><h3>Szczegóły reguły</h3><div class="summary-card"><div class="kv"><strong>Status</strong><span>' . AppContext::e($ctx->t(!empty($rule['enabled']) ? 'Enabled' : 'Disabled')) . '</span></div>' .
-        '<div class="kv"><strong>Okres</strong><span>' . AppContext::e(date('Y-m-d H:i', (int)$rule['start_ts']) . ' - ' . date('Y-m-d H:i', (int)$rule['end_ts'])) . '</span></div></div>' .
-        '<div class="actions"><a class="btn" href="' . AppContext::e($ctx->url('update.html', ['id' => $id])) . '">' . AppContext::e($ctx->t('Edit')) . '</a><a class="btn danger" href="' . AppContext::e($ctx->url('delete.html', ['id' => $id])) . '">' . AppContext::e($ctx->t('Delete')) . '</a><a class="btn" href="' . AppContext::e($ctx->url('index.html')) . '">Powrót</a></div></div></div>';
+        '<div class="panel"><h3>' . AppContext::e($ctx->t('Rule details')) . '</h3><div class="summary-card"><div class="kv"><strong>' . AppContext::e($ctx->t('Status')) . '</strong><span>' . AppContext::e($ctx->t(!empty($rule['enabled']) ? 'Enabled' : 'Disabled')) . '</span></div>' .
+        '<div class="kv"><strong>' . AppContext::e($ctx->t('Sending period')) . '</strong><span>' . AppContext::e(date('Y-m-d H:i', (int)$rule['start_ts']) . ' - ' . date('Y-m-d H:i', (int)$rule['end_ts'])) . '</span></div></div>' .
+        '<div class="actions"><a class="btn" href="' . AppContext::e($ctx->url('update.html', ['id' => $id])) . '">' . AppContext::e($ctx->t('Edit')) . '</a><a class="btn danger" href="' . AppContext::e($ctx->url('delete.html', ['id' => $id])) . '">' . AppContext::e($ctx->t('Delete')) . '</a><a class="btn" href="' . AppContext::e($ctx->url('index.html')) . '">' . AppContext::e($ctx->t('Back')) . '</a></div></div></div>';
     $ctx->render('Preview autoresponder', $body);
 };

exec/handlers/toggle.php

@@ -7,7 +7,7 @@ return static function (AppContext $ctx): void {
     $ctx->requireCsrf('toggle:' . $id);
     $rule = $ctx->rules->find($ctx->daUser->username(), $id);
     if ($rule === null) {
-        throw new RuntimeException('Rule not found');
+        throw new RuntimeException($ctx->t('Rule not found'));
     }
     $ctx->rules->update($ctx->daUser->username(), $id, ['enabled' => empty($rule['enabled'])]);
     Http::redirect($ctx->url('index.html', ['status' => 'toggled']));

exec/handlers/update.php

@@ -5,7 +5,7 @@ return static function (AppContext $ctx): void {
     $id = Http::isPost() ? $ctx->post('id') : $ctx->query('id');
     $rule = $ctx->rules->find($ctx->daUser->username(), $id);
     if ($rule === null) {
-        $ctx->render('Edit autoresponder', '<div class="alert alert-err">Rule not found</div>');
+        $ctx->render('Edit autoresponder', '<div class="alert alert-err">' . AppContext::e($ctx->t('Rule not found')) . '</div>');
         return;
     }
     $errors = [];

exec/lib/AppContext.php

@@ -108,14 +108,16 @@ final class AppContext
 
     private function scripts(): string
     {
-        return <<<'JS'
+        $selectedLabel = json_encode($this->t('Selected'), JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT);
+        return <<<JS
 (function () {
+  var selectedLabel = {$selectedLabel};
   document.querySelectorAll('[data-date-value]').forEach(function (btn) {
     btn.addEventListener('click', function () {
       var target = document.getElementById(btn.getAttribute('data-date-target'));
       var label = document.getElementById(btn.getAttribute('data-date-label'));
       if (target) { target.value = btn.getAttribute('data-date-value') || ''; }
-      if (label) { label.textContent = 'Wybrano: ' + (btn.getAttribute('data-date-value') || ''); }
+      if (label) { label.textContent = selectedLabel + ': ' + (btn.getAttribute('data-date-value') || ''); }
       btn.closest('.br-restore-calendar').querySelectorAll('.br-cal-day').forEach(function (d) { d.classList.remove('is-selected'); });
       btn.classList.add('is-selected');
     });

exec/lib/BackendRuntimeConfig.php

@@ -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);
+    }
+}

exec/lib/RuleValidator.php

@@ -53,7 +53,7 @@ final class RuleValidator
     {
         $value = trim($value);
         if ($mode === 'exact_hour') {
-            if (!preg_match('/^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:00$/', $value)) {
+            if (!preg_match('/^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}$/', $value)) {
                 throw new InvalidArgumentException('Nieprawidłowa data lub godzina.');
             }
             $dt = DateTimeImmutable::createFromFormat('!Y-m-d\TH:i', $value, $tz);

exec/lib/Settings.php

@@ -51,7 +51,7 @@ final class Settings
             'DEFAULT_PLUGIN_LANGUAGE' => 'en',
             'DEFAULT_ENABLE' => 'true',
             'GLOBAL_AUTORESPONDER_TIMEZONE' => 'Europe/Warsaw',
-            'GLOBAL_AUTORESPONDER_SCHEDULE_MODE' => 'exact_hour',
+            'GLOBAL_AUTORESPONDER_BACKEND' => 'da',
             'GLOBAL_AUTORESPONDER_REPLY_EVERY_MESSAGE' => 'false',
             'GLOBAL_AUTORESPONDER_REPEAT_MINUTES' => '1440',
             'GLOBAL_AUTORESPONDER_DYNAMIC_MAILBOX_SCOPE' => 'true',
@@ -93,9 +93,14 @@ final class Settings
         return $this->getString('GLOBAL_AUTORESPONDER_TIMEZONE', 'Europe/Warsaw');
     }
 
+    public function backendMode(): string
+    {
+        return $this->getString('GLOBAL_AUTORESPONDER_BACKEND', 'da');
+    }
+
     public function scheduleMode(): string
     {
-        return $this->getString('GLOBAL_AUTORESPONDER_SCHEDULE_MODE', 'exact_hour');
+        return $this->backendMode() === 'da' ? 'directadmin_period' : 'exact_hour';
     }
 
     public function replyEveryMessage(): bool
@@ -148,8 +153,8 @@ final class Settings
         } catch (Throwable) {
             throw new InvalidArgumentException('Invalid timezone: ' . $this->timezone());
         }
-        if (!in_array($this->scheduleMode(), ['exact_hour', 'directadmin_period'], true)) {
-            throw new InvalidArgumentException('Invalid schedule mode: ' . $this->scheduleMode());
+        if (!in_array($this->backendMode(), ['da', 'exim'], true)) {
+            throw new InvalidArgumentException('Invalid backend mode: ' . $this->backendMode());
         }
         if ($this->repeatMinutes() < 0) {
             throw new InvalidArgumentException('Invalid repeat minutes');