chat support update

2025-12-16 10:24:16 +05:30
parent bb81269140
commit bbde34fae4
10 changed files with 607 additions and 10 deletions
--- a/lib/screens/chat_file_viewer.dart
+++ b/lib/screens/chat_file_viewer.dart
@@ -0,0 +1,145 @@
+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:photo_view/photo_view.dart';
+import 'package:video_player/video_player.dart';
+import 'package:chewie/chewie.dart';
+import 'package:flutter_pdfview/flutter_pdfview.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:dio/dio.dart';
+
+class ChatFileViewer {
+  /// Entry point used by chat screen
+  static void open(
+      BuildContext context, {
+        required String url,
+        required String fileType,
+      }) {
+    if (fileType.startsWith('image/')) {
+      _openImage(context, url);
+    } else if (fileType.startsWith('video/')) {
+      _openVideo(context, url);
+    } else if (fileType == 'application/pdf') {
+      _openPdf(context, url);
+    } else {
+      _downloadFile(context, url);
+    }
+  }
+
+  // ===========================
+  // IMAGE VIEWER
+  // ===========================
+  static void _openImage(BuildContext context, String url) {
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (_) => Scaffold(
+          backgroundColor: Colors.black,
+          appBar: AppBar(backgroundColor: Colors.black),
+          body: PhotoView(
+            imageProvider: NetworkImage(url),
+          ),
+        ),
+      ),
+    );
+  }
+
+  // ===========================
+  // VIDEO VIEWER
+  // ===========================
+  static void _openVideo(BuildContext context, String url) {
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (_) => _VideoPlayerPage(url: url),
+      ),
+    );
+  }
+
+  // ===========================
+  // PDF VIEWER
+  // ===========================
+  static Future<void> _openPdf(
+      BuildContext context, String url) async {
+    final dir = await getTemporaryDirectory();
+    final path = "${dir.path}/chat.pdf";
+
+    await Dio().download(url, path);
+
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (_) => Scaffold(
+          appBar: AppBar(title: const Text("PDF")),
+          body: PDFView(filePath: path),
+        ),
+      ),
+    );
+  }
+
+  // ===========================
+  // FILE DOWNLOAD
+  // ===========================
+  static Future<void> _downloadFile(
+      BuildContext context, String url) async {
+    final dir = await getExternalStorageDirectory();
+    final fileName = url.split('/').last;
+    final path = "${dir!.path}/$fileName";
+
+    await Dio().download(url, path);
+
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(content: Text("File downloaded: $fileName")),
+    );
+  }
+}
+
+// ===========================
+// VIDEO PLAYER WIDGET
+// ===========================
+class _VideoPlayerPage extends StatefulWidget {
+  final String url;
+  const _VideoPlayerPage({required this.url});
+
+  @override
+  State<_VideoPlayerPage> createState() => _VideoPlayerPageState();
+}
+
+class _VideoPlayerPageState extends State<_VideoPlayerPage> {
+  late VideoPlayerController _videoController;
+  ChewieController? _chewieController;
+
+  @override
+  void initState() {
+    super.initState();
+
+    _videoController = VideoPlayerController.network(widget.url)
+      ..initialize().then((_) {
+        setState(() {
+          _chewieController = ChewieController(
+            videoPlayerController: _videoController,
+            autoPlay: true,
+            looping: false,
+          );
+        });
+      });
+  }
+
+  @override
+  void dispose() {
+    _videoController.dispose();
+    _chewieController?.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text("Video")),
+      body: Center(
+        child: _chewieController == null
+            ? const CircularProgressIndicator()
+            : Chewie(controller: _chewieController!),
+      ),
+    );
+  }
+}