Refactor architecture, fix all linter issues, and implement specification features (5 tabs, issue dropdowns, contact, info, search, pdf)

2026-09-13 15:30:36 +02:00
parent 239f399af1
commit e6ce9c5012
24 changed files with 2486 additions and 1375 deletions
@@ -0,0 +1,89 @@
+import 'dart:io';
+import 'dart:math';
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_storage/firebase_storage.dart';
+import 'package:flutter/foundation.dart';
+import 'package:image/image.dart' as img;
+
+class StorageService {
+  final FirebaseStorage _storage = FirebaseStorage.instance;
+
+  /// Compresses and resizes an image to maximum 800x600 landscape bounds
+  Future<File> optimizeImage(File originalFile) async {
+    try {
+      final bytes = await originalFile.readAsBytes();
+      final decoded = img.decodeImage(bytes);
+      if (decoded == null) return originalFile;
+
+      // Ensure landscape orientation or maximum 800x600 resolution
+      int targetWidth = decoded.width;
+      int targetHeight = decoded.height;
+
+      const int maxW = 800;
+      const int maxH = 600;
+
+      if (targetWidth > maxW || targetHeight > maxH) {
+        double ratioW = maxW / targetWidth;
+        double ratioH = maxH / targetHeight;
+        double scale = min(ratioW, ratioH);
+
+        targetWidth = (targetWidth * scale).round();
+        targetHeight = (targetHeight * scale).round();
+      }
+
+      final resized = img.copyResize(
+        decoded,
+        width: targetWidth,
+        height: targetHeight,
+        interpolation: img.Interpolation.linear,
+      );
+
+      final tempDir = originalFile.parent.path;
+      final optimizedFile = File(
+          '$tempDir/optimized_${DateTime.now().millisecondsSinceEpoch}.jpg');
+      await optimizedFile.writeAsBytes(img.encodeJpg(resized, quality: 85));
+
+      return optimizedFile;
+    } catch (e) {
+      if (kDebugMode) {
+        debugPrint('Image optimization fallback: $e');
+      }
+      return originalFile;
+    }
+  }
+
+  /// Uploads a file to Firebase Storage under $collectionName/$userId/$timestamp.jpg
+  Future<String> uploadFile({
+    required File file,
+    required String collectionName,
+    bool optimize = true,
+  }) async {
+    final user = FirebaseAuth.instance.currentUser;
+    final userId = user?.uid ?? 'anonymous';
+
+    File fileToUpload = file;
+    if (optimize) {
+      fileToUpload = await optimizeImage(file);
+    }
+
+    final filename = '${DateTime.now().millisecondsSinceEpoch}.jpg';
+    final ref = _storage.ref().child('$collectionName/$userId/$filename');
+
+    final uploadTask = ref.putFile(fileToUpload);
+    final snapshot = await uploadTask;
+    return await snapshot.ref.getDownloadURL();
+  }
+
+  /// Deletes a file by download URL
+  Future<void> deleteFileByUrl(String url) async {
+    if (url.isEmpty) return;
+    try {
+      final ref = _storage.refFromURL(url);
+      await ref.delete();
+    } catch (e) {
+      if (kDebugMode) {
+        debugPrint('Error deleting storage file: $e');
+      }
+    }
+  }
+}