feat: implement share button on posts

frontend/lib/screens/pages/feed_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:share_plus/share_plus.dart';
 import '../create_post_screen.dart';
 import '../../services/post_service.dart';
 import '../../models/post_models.dart';
@@ -274,6 +275,11 @@ class _PostCardState extends State<PostCard> {
     return displayName.isNotEmpty ? displayName[0].toUpperCase() : '?';
   }
 
+  void _sharePost(Post post) {
+    final shareText = '${post.creator.displayName} posted on Wesal.online:\n\n${post.body}';
+    Share.share(shareText);
+  }
+
   @override
   Widget build(BuildContext context) {
     final creator = widget.post.creator;
@@ -397,11 +403,7 @@ class _PostCardState extends State<PostCard> {
                 ),
                 Spacer(),
                 IconButton(
-                  onPressed: () {
+                  onPressed: () => _sharePost(widget.post),
-                    ScaffoldMessenger.of(context).showSnackBar(
-                      SnackBar(content: Text('Share feature coming soon!')),
-                    );
-                  },
                   icon: Icon(
                     Icons.share_outlined,
                     color: Colors.grey[600],

frontend/linux/flutter/generated_plugin_registrant.cc

@@ -7,9 +7,13 @@
 #include "generated_plugin_registrant.h"
 
 #include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
   flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }

frontend/linux/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   flutter_secure_storage_linux
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

frontend/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -9,10 +9,12 @@ import firebase_core
 import firebase_messaging
 import flutter_secure_storage_macos
 import path_provider_foundation
+import share_plus
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FLTFirebaseCorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCorePlugin"))
   FLTFirebaseMessagingPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseMessagingPlugin"))
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
 }

frontend/pubspec.lock

@@ -57,6 +57,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "7caf6a750a0c04effbb52a676dce9a4a592e10ad35c34d6d2d0e4811160d5670"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.4+2"
   crypto:
     dependency: transitive
     description:
@@ -89,6 +97,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
   firebase_core:
     dependency: "direct main"
     description:
@@ -137,6 +153,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.10.9"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -304,6 +328,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.16.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   path:
     dependency: transitive
     description:
@@ -376,6 +408,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  share_plus:
+    dependency: "direct main"
+    description:
+      name: share_plus
+      sha256: b2961506569e28948d75ec346c28775bb111986bb69dc6a20754a457e3d97fa0
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.0.0"
+  share_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: share_plus_platform_interface
+      sha256: "1032d392bc5d2095a77447a805aa3f804d2ae6a4d5eef5e6ebb3bd94c1bc19ef"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -389,6 +437,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.10.1"
+  sprintf:
+    dependency: transitive
+    description:
+      name: sprintf
+      sha256: "1fc9ffe69d4df602376b52949af107d8f5703b77cda567c4d7d86a0693120f23"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.0"
   stack_trace:
     dependency: transitive
     description:
@@ -437,6 +493,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "4bd2b7b4dc4d4d0b94e5babfffbca8eac1a126c7f3d6ecbc1a11013faa3abba2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "3284b6d2ac454cf34f114e1d3319866fdd1e19cdc329999057e44ffe936cfa77"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.4"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      sha256: a5be9ef6618a7ac1e964353ef476418026db906c4facdedaa299b7a2e71690ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.5.1"
   vector_math:
     dependency: transitive
     description:

frontend/pubspec.yaml

@@ -15,6 +15,7 @@ dependencies:
   http: ^1.1.0
   googleapis_auth: ^1.6.0
   flutter_secure_storage: ^9.2.2
+  share_plus: ^11.0.0
 
 dev_dependencies:
   flutter_test:

frontend/windows/flutter/generated_plugin_registrant.cc

@@ -8,10 +8,16 @@
 
 #include <firebase_core/firebase_core_plugin_c_api.h>
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
+#include <share_plus/share_plus_windows_plugin_c_api.h>
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   FirebaseCorePluginCApiRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FirebaseCorePluginCApi"));
   FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
+  SharePlusWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("SharePlusWindowsPluginCApi"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

frontend/windows/flutter/generated_plugins.cmake

@@ -5,6 +5,8 @@
 list(APPEND FLUTTER_PLUGIN_LIST
   firebase_core
   flutter_secure_storage_windows
+  share_plus
+  url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST