Joomla-Export für Monatsvorschau ergänzen

public/ajax/save_monthly_preview_to_joomla.php

@@ -0,0 +1,267 @@
+<?php
+declare(strict_types=1);
+
+session_start();
+
+require_once __DIR__ . '/../auth_helpers.php';
+
+header('Content-Type: application/json; charset=UTF-8');
+
+function respondWithJoomlaPreviewResult(int $statusCode, array $payload): never
+{
+    http_response_code($statusCode);
+    echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+    exit;
+}
+
+if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
+    respondWithJoomlaPreviewResult(405, [
+        'success' => false,
+        'message' => 'Nur POST ist erlaubt.',
+    ]);
+}
+
+if (!currentUserIsAdminLike()) {
+    respondWithJoomlaPreviewResult(403, [
+        'success' => false,
+        'message' => 'Für den Joomla-Export sind Administratorrechte erforderlich.',
+    ]);
+}
+
+$sessionToken = isset($_SESSION['joomla_monthly_preview_token']) && is_string($_SESSION['joomla_monthly_preview_token'])
+    ? $_SESSION['joomla_monthly_preview_token']
+    : '';
+$submittedToken = isset($_POST['joomla_monthly_preview_token']) ? (string) $_POST['joomla_monthly_preview_token'] : '';
+
+if ($sessionToken === '' || $submittedToken === '' || !hash_equals($sessionToken, $submittedToken)) {
+    respondWithJoomlaPreviewResult(403, [
+        'success' => false,
+        'message' => 'Sicherheitsprüfung fehlgeschlagen. Bitte die Seite neu laden und erneut versuchen.',
+    ]);
+}
+
+$year = filter_input(INPUT_POST, 'year', FILTER_VALIDATE_INT);
+$month = filter_input(INPUT_POST, 'month', FILTER_VALIDATE_INT);
+$html = isset($_POST['html']) ? (string) $_POST['html'] : '';
+
+if ($year === false || $year < 2000 || $year > 2100 || $month === false || $month < 1 || $month > 12) {
+    respondWithJoomlaPreviewResult(400, [
+        'success' => false,
+        'message' => 'Ungültiger Monat für den Joomla-Export.',
+    ]);
+}
+
+if ($html === '' || strlen($html) > 14 * 1024 * 1024) {
+    respondWithJoomlaPreviewResult(400, [
+        'success' => false,
+        'message' => 'Der HTML-Inhalt fehlt oder ist zu groß.',
+    ]);
+}
+
+$monthNames = [
+    1 => 'Januar', 2 => 'Februar', 3 => 'März', 4 => 'April',
+    5 => 'Mai', 6 => 'Juni', 7 => 'Juli', 8 => 'August',
+    9 => 'September', 10 => 'Oktober', 11 => 'November', 12 => 'Dezember',
+];
+$monthName = $monthNames[$month];
+$title = sprintf('Monatsvorschau %s %d', $monthName, $year);
+$aliasMonthNames = [
+    1 => 'januar', 2 => 'februar', 3 => 'maerz', 4 => 'april',
+    5 => 'mai', 6 => 'juni', 7 => 'juli', 8 => 'august',
+    9 => 'september', 10 => 'oktober', 11 => 'november', 12 => 'dezember',
+];
+$alias = sprintf('monatsvorschau-%s-%d', $aliasMonthNames[$month], $year);
+$visibilityDate = (new DateTimeImmutable(sprintf('%04d-%02d-01 00:00:00', $year, $month), new DateTimeZone('Europe/Berlin')))
+    ->modify('-5 days')
+    ->format('Y-m-d H:i:s');
+$joomlaImagesJson = json_encode([
+    'image_intro' => '', 'image_intro_alt' => '', 'float_intro' => '', 'image_intro_caption' => '',
+    'image_fulltext' => '', 'image_fulltext_alt' => '', 'float_fulltext' => '', 'image_fulltext_caption' => '',
+], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '{}';
+$joomlaUrlsJson = json_encode([
+    'urla' => '', 'urlatext' => '', 'targeta' => '', 'urlb' => '', 'urlbtext' => '', 'targetb' => '',
+    'urlc' => '', 'urlctext' => '', 'targetc' => '',
+], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '{}';
+$joomlaAttribsJson = json_encode([
+    'article_layout' => '', 'show_title' => '', 'link_titles' => '', 'show_tags' => '', 'show_intro' => '',
+    'info_block_position' => '', 'info_block_show_title' => '', 'show_category' => '', 'link_category' => '',
+    'show_parent_category' => '', 'link_parent_category' => '', 'show_author' => '', 'link_author' => '',
+    'show_create_date' => '', 'show_modify_date' => '', 'show_publish_date' => '', 'show_item_navigation' => '',
+    'show_hits' => '', 'show_noauth' => '', 'urls_position' => '', 'alternative_readmore' => '',
+    'article_page_title' => '', 'show_publishing_options' => '', 'show_article_options' => '',
+    'show_urls_images_backend' => '', 'show_urls_images_frontend' => '',
+], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '{}';
+$joomlaMetadataJson = json_encode([
+    'robots' => '', 'author' => '', 'rights' => '',
+], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '{}';
+
+try {
+    $dbConfig = require __DIR__ . '/../../config/observationtips_database.php';
+    $pdo = new PDO(
+        sprintf(
+            'mysql:host=%s;dbname=%s;charset=%s',
+            $dbConfig['host'],
+            $dbConfig['dbname'],
+            $dbConfig['charset'] ?? 'utf8mb4'
+        ),
+        $dbConfig['user'],
+        $dbConfig['pass'],
+        [
+            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+        ]
+    );
+
+    $pdo->beginTransaction();
+    try {
+        $existingStmt = $pdo->prepare(
+            'SELECT `id`, `asset_id`, `created`, `created_by` '
+            . 'FROM `astro_content` '
+            . 'WHERE `catid` = 59 AND `title` = :title '
+            . 'ORDER BY `id` DESC '
+            . 'LIMIT 1 '
+            . 'FOR UPDATE'
+        );
+        $existingStmt->execute([':title' => $title]);
+        $existingArticle = $existingStmt->fetch();
+        $articleId = 0;
+
+        if (is_array($existingArticle)) {
+            $updateStmt = $pdo->prepare(
+                'UPDATE `astro_content` '
+                . 'SET `alias` = :alias, `introtext` = :introtext, `fulltext` = \'\', `state` = 1, `created` = :created, '
+                . '`images` = :images, `urls` = :urls, `attribs` = :attribs, `metadata` = :metadata, '
+                . '`checked_out` = NULL, `checked_out_time` = NULL, '
+                . '`modified` = NOW(), `modified_by` = :modified_by, `publish_up` = :publish_up, '
+                . '`publish_down` = NULL, `version` = `version` + 1 '
+                . 'WHERE `id` = :id'
+            );
+            $updateStmt->execute([
+                ':alias' => $alias,
+                ':introtext' => $html,
+                ':created' => $visibilityDate,
+                ':images' => $joomlaImagesJson,
+                ':urls' => $joomlaUrlsJson,
+                ':attribs' => $joomlaAttribsJson,
+                ':metadata' => $joomlaMetadataJson,
+                ':modified_by' => (int) $existingArticle['created_by'],
+                ':publish_up' => $visibilityDate,
+                ':id' => (int) $existingArticle['id'],
+            ]);
+            $articleId = (int) $existingArticle['id'];
+
+            $result = [
+                'success' => true,
+                'message' => sprintf('%s wurde in Joomla aktualisiert.', $title),
+                'action' => 'updated',
+            ];
+        } else {
+            $authorStmt = $pdo->query(
+                'SELECT `created_by` FROM `astro_content` WHERE `catid` = 59 ORDER BY `id` DESC LIMIT 1'
+            );
+            $authorId = (int) $authorStmt->fetchColumn();
+            if ($authorId <= 0) {
+                throw new RuntimeException('Kein Joomla-Autor für die Monatsvorschau vorhanden.');
+            }
+
+            $insertContentStmt = $pdo->prepare(
+                'INSERT INTO `astro_content` ('
+                . '`asset_id`, `title`, `alias`, `introtext`, `fulltext`, `state`, `catid`, `created`, `created_by`, '
+                . '`modified`, `modified_by`, `checked_out`, `checked_out_time`, `publish_up`, `publish_down`, '
+                . '`images`, `urls`, `attribs`, `version`, `ordering`, `metakey`, `metadesc`, `access`, `hits`, '
+                . '`metadata`, `featured`, `language`, `note` '
+                . ') VALUES (0, :title, :alias, :introtext, \'\', 1, 59, :created, :created_by, '
+                . 'NOW(), :modified_by, NULL, NULL, :publish_up, NULL, :images, :urls, :attribs, 1, 0, \'\', \'\', 1, 0, '
+                . ':metadata, 0, \'*\', \'\')'
+            );
+            $insertContentStmt->execute([
+                ':title' => $title,
+                ':alias' => $alias,
+                ':introtext' => $html,
+                ':created' => $visibilityDate,
+                ':created_by' => $authorId,
+                ':modified_by' => $authorId,
+                ':publish_up' => $visibilityDate,
+                ':images' => $joomlaImagesJson,
+                ':urls' => $joomlaUrlsJson,
+                ':attribs' => $joomlaAttribsJson,
+                ':metadata' => $joomlaMetadataJson,
+            ]);
+            $articleId = (int) $pdo->lastInsertId();
+
+            // Joomla speichert Artikelrechte als Knoten im Asset-Baum.
+            $categoryAssetStmt = $pdo->query(
+                'SELECT `id`, `rgt`, `level` FROM `astro_assets` WHERE `id` = 740 FOR UPDATE'
+            );
+            $categoryAsset = $categoryAssetStmt->fetch();
+            if (!is_array($categoryAsset)) {
+                throw new RuntimeException('Die Joomla-Kategorie für Monatsvorschauen wurde nicht gefunden.');
+            }
+
+            $newLeft = (int) $categoryAsset['rgt'];
+            $pdo->prepare('UPDATE `astro_assets` SET `rgt` = `rgt` + 2 WHERE `rgt` >= :position')
+                ->execute([':position' => $newLeft]);
+            $pdo->prepare('UPDATE `astro_assets` SET `lft` = `lft` + 2 WHERE `lft` > :position')
+                ->execute([':position' => $newLeft]);
+
+            $insertAssetStmt = $pdo->prepare(
+                'INSERT INTO `astro_assets` (`parent_id`, `lft`, `rgt`, `level`, `name`, `title`, `rules`) '
+                . 'VALUES (740, :lft, :rgt, :level, :name, :title, \'{}\')'
+            );
+            $insertAssetStmt->execute([
+                ':lft' => $newLeft,
+                ':rgt' => $newLeft + 1,
+                ':level' => (int) $categoryAsset['level'] + 1,
+                ':name' => 'com_content.article.' . $articleId,
+                ':title' => $title,
+            ]);
+
+            $pdo->prepare('UPDATE `astro_content` SET `asset_id` = :asset_id WHERE `id` = :id')
+                ->execute([
+                    ':asset_id' => (int) $pdo->lastInsertId(),
+                    ':id' => $articleId,
+                ]);
+
+            $result = [
+                'success' => true,
+                'message' => sprintf('%s wurde in Joomla angelegt.', $title),
+                'action' => 'created',
+            ];
+        }
+
+        // Joomla 5 zeigt Artikel nur mit einer Workflow-Stufenzuordnung zuverlässig im Backend an.
+        $workflowStageStmt = $pdo->query(
+            'SELECT `id` FROM `astro_workflow_stages` '
+            . 'WHERE `workflow_id` = 1 AND `default` = 1 AND `published` = 1 '
+            . 'ORDER BY `id` ASC LIMIT 1'
+        );
+        $workflowStageId = (int) $workflowStageStmt->fetchColumn();
+        if ($workflowStageId <= 0) {
+            throw new RuntimeException('Die Joomla-Standard-Workflow-Stufe wurde nicht gefunden.');
+        }
+
+        $workflowAssociationStmt = $pdo->prepare(
+            'INSERT IGNORE INTO `astro_workflow_associations` (`item_id`, `stage_id`, `extension`) '
+            . 'VALUES (:item_id, :stage_id, \'com_content.article\')'
+        );
+        $workflowAssociationStmt->execute([
+            ':item_id' => $articleId,
+            ':stage_id' => $workflowStageId,
+        ]);
+
+        $pdo->commit();
+    } catch (Throwable $e) {
+        if ($pdo->inTransaction()) {
+            $pdo->rollBack();
+        }
+        throw $e;
+    }
+
+    respondWithJoomlaPreviewResult(200, $result);
+} catch (Throwable $e) {
+    error_log('Joomla-Monatsvorschau konnte nicht gespeichert werden: ' . $e->getMessage());
+    respondWithJoomlaPreviewResult(500, [
+        'success' => false,
+        'message' => 'Die Monatsvorschau konnte nicht in Joomla gespeichert werden.',
+    ]);
+}

public/monatsvorhersage.php

@@ -3,6 +3,12 @@ declare(strict_types=1);
 
 session_start();
 
+require_once __DIR__ . '/auth_helpers.php';
+
+if (isLocalDevelopmentRequest()) {
+    set_time_limit(180);
+}
+
 $loggedIn = isset($_SESSION['user_id']);
 $pageTitle = 'Monatsvorhersage - AstroTools';
 $bodyClass = 'admin-page monatsvorhersage-page';
@@ -19,6 +25,10 @@ if (!isset($_SESSION['observation_tip_insert_token']) || !is_string($_SESSION['o
     $_SESSION['observation_tip_insert_token'] = bin2hex(random_bytes(16));
 }
 $observationTipInsertToken = $_SESSION['observation_tip_insert_token'];
+if (!isset($_SESSION['joomla_monthly_preview_token']) || !is_string($_SESSION['joomla_monthly_preview_token'])) {
+    $_SESSION['joomla_monthly_preview_token'] = bin2hex(random_bytes(16));
+}
+$joomlaMonthlyPreviewToken = $_SESSION['joomla_monthly_preview_token'];
 
 // -------------------------------------------------------------------------
 // Bereits berechnete Bausteine der Monatsvorschau
@@ -264,6 +274,7 @@ $observationTipInsertSql = '';
 $observationTipCalendarIcs = '';
 $observationTipInsertPayloadJson = '[]';
 $observationTipInsertEndpoint = $publicBasePath . 'ajax/insert_observationtips.php';
+$joomlaMonthlyPreviewEndpoint = $publicBasePath . 'ajax/save_monthly_preview_to_joomla.php';
 $chartConfig = null;
 $chartConfigJson = 'null';
 $starDataJson = '[]';
@@ -2903,6 +2914,11 @@ $observationTipCalendarFilenameJson = json_encode(sprintf('astrotools-monatserei
       <button type="button" class="monatskarte-export-button" id="copyMonatsueberblickHtml">
         HTML in Zwischenablage kopieren
       </button>
+      <?php if (currentUserIsAdminLike()): ?>
+        <button type="button" class="monatskarte-export-button" id="saveMonatsueberblickToJoomla">
+          In Joomla speichern
+        </button>
+      <?php endif; ?>
       <p id="monatsueberblickZipStatus" role="status" aria-live="polite"></p>
     </div>
 
@@ -3389,6 +3405,8 @@ const MONTH_EVENT_LIST = <?= $monthEventListJson ?: '[]' ?>;
 const MONTH_CHART_ERROR = <?= $starDataErrorJson ?: 'null' ?>;
 const OBSERVATION_TIP_ICAL = <?= $observationTipCalendarIcsJson ?: '""' ?>;
 const OBSERVATION_TIP_ICAL_FILENAME = <?= $observationTipCalendarFilenameJson ?: '"astrotools-monatsereignisse.ics"' ?>;
+const JOOMLA_MONTHLY_PREVIEW_ENDPOINT = <?= json_encode($joomlaMonthlyPreviewEndpoint, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) ?>;
+const JOOMLA_MONTHLY_PREVIEW_TOKEN = <?= json_encode($joomlaMonthlyPreviewToken, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) ?>;
 const MONTH_CHART_EXPORT_LOGO_SRC = <?= json_encode($publicBasePath . 'images/logoAM_ws.png', JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) ?>;
 
 const MONTH_CHART_COMET_K = 0.01720209895;
@@ -6160,6 +6178,7 @@ function monthChartCometRaDec(comet, date) {
 (function () {
   const downloadButton = document.getElementById('downloadMonatsueberblickZip');
   const copyButton = document.getElementById('copyMonatsueberblickHtml');
+  const saveToJoomlaButton = document.getElementById('saveMonatsueberblickToJoomla');
   const statusEl = document.getElementById('monatsueberblickZipStatus');
   const overviewEl = document.getElementById('monatsueberblick');
   const polarCanvas = document.getElementById('monatskarteCanvas');
@@ -6455,6 +6474,41 @@ function monthChartCometRaDec(comet, date) {
       copyButton.disabled = false;
     }
   });
+
+  if (saveToJoomlaButton) {
+    saveToJoomlaButton.addEventListener('click', async function () {
+      const year = Number(MONTH_CHART_CONFIG.year || 0);
+      const month = Number(MONTH_CHART_CONFIG.monthNumber || MONTH_CHART_CONFIG.month || 0);
+      if (!Number.isInteger(year) || !Number.isInteger(month)) {
+        statusEl.textContent = 'Monat für den Joomla-Export konnte nicht bestimmt werden.';
+        return;
+      }
+
+      try {
+        statusEl.textContent = 'Monatsvorschau wird für Joomla erstellt...';
+        saveToJoomlaButton.disabled = true;
+        const formData = new FormData();
+        formData.append('joomla_monthly_preview_token', JOOMLA_MONTHLY_PREVIEW_TOKEN);
+        formData.append('year', String(year));
+        formData.append('month', String(month));
+        formData.append('html', await overviewHtml(await createOverviewImages()));
+
+        const response = await fetch(JOOMLA_MONTHLY_PREVIEW_ENDPOINT, {
+          method: 'POST',
+          body: formData,
+          headers: { 'X-Requested-With': 'fetch' },
+        });
+        const payload = await response.json();
+        statusEl.textContent = payload && payload.message
+          ? payload.message
+          : 'Die Monatsvorschau konnte nicht in Joomla gespeichert werden.';
+      } catch (error) {
+        statusEl.textContent = 'Die Monatsvorschau konnte nicht in Joomla gespeichert werden.';
+      } finally {
+        saveToJoomlaButton.disabled = false;
+      }
+    });
+  }
 })();
 </script>