feat: integrate WordPress PDF Aussendungen with in-app reader into News

2026-09-14 21:32:03 +02:00
parent d63222c2ac
commit 21f115499c
8 changed files with 1000 additions and 228 deletions
@@ -11,6 +11,9 @@ class PostItem {
  final String? street;
  final String? category;
  final String? status;
+  final String? pdfUrl;
+  final String? webUrl;
+  final bool isAussendung;

  PostItem({
    required this.id,
@@ -23,6 +26,9 @@ class PostItem {
    this.street,
    this.category,
    this.status = 'Gemeldet',
+    this.pdfUrl,
+    this.webUrl,
+    this.isAussendung = false,
  }) : imageUrls = imageUrls ?? (imageUrl.isNotEmpty ? [imageUrl] : []);

  factory PostItem.fromFirestore(DocumentSnapshot doc) {
@@ -54,6 +60,9 @@ class PostItem {
      street: data['street'] as String?,
      category: data['category'] as String?,
      status: data['status'] as String? ?? 'Gemeldet',
+      pdfUrl: data['pdfUrl'] as String?,
+      webUrl: data['webUrl'] as String?,
+      isAussendung: data['isAussendung'] as bool? ?? false,
    );
  }

@@ -68,6 +77,163 @@ class PostItem {
      if (street != null) 'street': street,
      if (category != null) 'category': category,
      if (status != null) 'status': status,
+      if (pdfUrl != null) 'pdfUrl': pdfUrl,
+      if (webUrl != null) 'webUrl': webUrl,
+      if (isAussendung) 'isAussendung': isAussendung,
    };
  }
+
+  /// Convert to standard JSON map for local caching
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'title': title,
+      'description': description,
+      'imageUrl': imageUrl,
+      'imageUrls': imageUrls,
+      'createdDate': createdDate.toIso8601String(),
+      'authorUid': authorUid,
+      'street': street,
+      'category': category,
+      'status': status,
+      'pdfUrl': pdfUrl,
+      'webUrl': webUrl,
+      'isAussendung': isAussendung,
+    };
+  }
+
+  /// Create from standard JSON map (local cache)
+  factory PostItem.fromJson(Map<String, dynamic> map) {
+    DateTime date;
+    if (map['createdDate'] is String) {
+      date = DateTime.tryParse(map['createdDate'] as String) ?? DateTime.now();
+    } else {
+      date = DateTime.now();
+    }
+
+    final String legacyImage = map['imageUrl'] as String? ?? '';
+    List<String> images = [];
+    if (map['imageUrls'] is List) {
+      images = List<String>.from(map['imageUrls'] as List);
+    } else if (legacyImage.isNotEmpty) {
+      images = [legacyImage];
+    }
+
+    return PostItem(
+      id: map['id'] as String? ?? '',
+      title: map['title'] as String? ?? '',
+      description: map['description'] as String? ?? '',
+      imageUrl: legacyImage.isNotEmpty ? legacyImage : (images.isNotEmpty ? images.first : ''),
+      imageUrls: images,
+      createdDate: date,
+      authorUid: map['authorUid'] as String?,
+      street: map['street'] as String?,
+      category: map['category'] as String?,
+      status: map['status'] as String? ?? 'Gemeldet',
+      pdfUrl: map['pdfUrl'] as String?,
+      webUrl: map['webUrl'] as String?,
+      isAussendung: map['isAussendung'] as bool? ?? false,
+    );
+  }
+
+  /// Decode HTML entities commonly present in WordPress feeds
+  static String unescapeHtml(String text) {
+    var result = text
+        .replaceAll('&amp;', '&')
+        .replaceAll('&quot;', '"')
+        .replaceAll('&apos;', "'")
+        .replaceAll('&#039;', "'")
+        .replaceAll('&lt;', '<')
+        .replaceAll('&gt;', '>')
+        .replaceAll('&nbsp;', ' ')
+        .replaceAll('&#8211;', '–')
+        .replaceAll('&#8212;', '—')
+        .replaceAll('&#8216;', '‘')
+        .replaceAll('&#8217;', '’')
+        .replaceAll('&#8220;', '“')
+        .replaceAll('&#8221;', '”')
+        .replaceAll('&#8230;', '…');
+
+    // Decode numerical entities &#DDD;
+    result = result.replaceAllMapped(RegExp(r'&#(\d+);'), (match) {
+      final code = int.tryParse(match.group(1)!);
+      return code != null ? String.fromCharCode(code) : match.group(0)!;
+    });
+
+    // Decode hex numerical entities &#xHH;
+    result = result.replaceAllMapped(RegExp(r'&#x([0-9a-fA-F]+);'), (match) {
+      final code = int.tryParse(match.group(1)!, radix: 16);
+      return code != null ? String.fromCharCode(code) : match.group(0)!;
+    });
+
+    return result.trim();
+  }
+
+  /// Extracts the direct PDF URL from WordPress post HTML content
+  static String? extractPdfUrl(String htmlContent) {
+    final pdfRegExp = RegExp(
+      r'https?://[^\s"<>]+?\.pdf',
+      caseSensitive: false,
+    );
+    final match = pdfRegExp.firstMatch(htmlContent);
+    if (match != null) {
+      return match.group(0);
+    }
+    // Fallback: check docx or doc files
+    final docRegExp = RegExp(
+      r'https?://[^\s"<>]+?\.(?:docx|doc)',
+      caseSensitive: false,
+    );
+    final docMatch = docRegExp.firstMatch(htmlContent);
+    return docMatch?.group(0);
+  }
+
+  /// Strip HTML tags and clean whitespace for preview text
+  static String extractCleanText(String htmlContent) {
+    var clean = htmlContent.replaceAll(RegExp(r'<style[^>]*>.*?</style>', dotAll: true), '');
+    clean = clean.replaceAll(RegExp(r'<script[^>]*>.*?</script>', dotAll: true), '');
+    clean = clean.replaceAll(RegExp(r'<[^>]*>'), ' ');
+    clean = unescapeHtml(clean);
+    clean = clean.replaceAll(RegExp(r'\s+'), ' ').trim();
+    return clean;
+  }
+
+  /// Parse a post from the WordPress REST API (/wp-json/wp/v2/posts)
+  factory PostItem.fromWordPressJson(Map<String, dynamic> json) {
+    final rawTitle = (json['title'] is Map)
+        ? (json['title']['rendered'] as String? ?? '')
+        : (json['title'] as String? ?? '');
+    final title = unescapeHtml(rawTitle);
+
+    final rawContent = (json['content'] is Map)
+        ? (json['content']['rendered'] as String? ?? '')
+        : (json['content'] as String? ?? '');
+
+    final pdfUrl = extractPdfUrl(rawContent);
+    final webUrl = json['link'] as String?;
+
+    DateTime date;
+    if (json['date'] is String) {
+      date = DateTime.tryParse(json['date'] as String) ?? DateTime.now();
+    } else {
+      date = DateTime.now();
+    }
+
+    String desc = extractCleanText(rawContent);
+    if (desc.isEmpty || desc == title) {
+      desc = 'Offizielle Aussendung des Bürgerforums Oggau (PDF).';
+    }
+
+    return PostItem(
+      id: 'wp_${json['id']}',
+      title: title.isNotEmpty ? title : 'Aussendung',
+      description: desc,
+      createdDate: date,
+      category: 'Aussendung',
+      status: 'Aussendung',
+      pdfUrl: pdfUrl,
+      webUrl: webUrl,
+      isAussendung: true,
+    );
+  }
 }