Add file analysis and answer feedback

SovereignAI-Starter/flutter_app/lib/features/chat/presentation/cubit/chat_cubit.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:file_selector/file_selector.dart';
 
 import '../../../../core/network/api_repository.dart';
 import 'chat_state.dart';
@@ -162,8 +163,8 @@ class ChatCubit extends Cubit<ChatState> {
     await _api.saveConversation(item);
   }
 
-  Future<void> send(String text) async {
-    await _sendWithHistory(text, state.messages);
+  Future<void> send(String text, {List<XFile> attachments = const []}) async {
+    await _sendWithHistory(text, state.messages, attachments: attachments);
   }
 
   Future<void> regenerateLastAnswer() async {
@@ -185,6 +186,7 @@ class ChatCubit extends Cubit<ChatState> {
       history,
       appendUserMessage: false,
       previousAnswers: versions,
+      previousFeedback: previousAnswer.feedbackVersions,
     );
   }
 
@@ -206,6 +208,7 @@ class ChatCubit extends Cubit<ChatState> {
       versions[versionIndex],
       fromUser: false,
       answerVersions: versions,
+      feedbackVersions: message.feedbackVersions,
       selectedVersion: versionIndex,
     );
     try {
@@ -216,6 +219,43 @@ class ChatCubit extends Cubit<ChatState> {
     }
   }
 
+  Future<void> rateAnswer(int messageIndex, int rating) async {
+    if (state.isSending || (rating != -1 && rating != 1)) return;
+    final conversationId = state.activeConversationId;
+    if (conversationId == null ||
+        messageIndex < 0 ||
+        messageIndex >= state.messages.length) {
+      return;
+    }
+    final messages = List<ChatMessage>.from(state.messages);
+    final message = messages[messageIndex];
+    if (message.fromUser || message.answerVersions.isEmpty) return;
+    try {
+      await _api.rateAnswer(
+        conversationId,
+        messageIndex,
+        message.selectedVersion,
+        rating,
+      );
+      final feedback = List<int?>.generate(
+        message.answerVersions.length,
+        (index) => index < message.feedbackVersions.length
+            ? message.feedbackVersions[index]
+            : null,
+      )..[message.selectedVersion] = rating;
+      messages[messageIndex] = ChatMessage(
+        message.text,
+        fromUser: false,
+        answerVersions: message.answerVersions,
+        feedbackVersions: feedback,
+        selectedVersion: message.selectedVersion,
+      );
+      emit(state.copyWith(messages: messages, clearError: true));
+    } catch (error) {
+      emit(state.copyWith(error: 'تعذر حفظ تقييم الإجابة: $error'));
+    }
+  }
+
   Future<void> editLastQuestion(String text) async {
     if (state.isSending || text.trim().isEmpty) return;
     final messages = state.messages;
@@ -235,12 +275,21 @@ class ChatCubit extends Cubit<ChatState> {
     List<ChatMessage> history, {
     bool appendUserMessage = true,
     List<String> previousAnswers = const [],
+    List<int?> previousFeedback = const [],
+    List<XFile> attachments = const [],
   }) async {
-    final prompt = text.trim();
+    final prompt =
+        text.trim().isEmpty && attachments.isNotEmpty
+            ? 'حلّل الملفات المرفقة واشرح وظيفتها.'
+            : text.trim();
     if (prompt.isEmpty || state.isSending || state.isLoadingHistory) return;
+    final displayPrompt =
+        attachments.isEmpty
+            ? prompt
+            : '$prompt\n\n[ملفات مرفقة: ${attachments.map((file) => file.name).join('، ')}]';
     final messages =
         appendUserMessage
-            ? [...history, ChatMessage(prompt, fromUser: true)]
+            ? [...history, ChatMessage(displayPrompt, fromUser: true)]
             : List<ChatMessage>.from(history);
     final originalMessages = state.messages;
     _messagesBeforeRequest = originalMessages;
@@ -267,9 +316,15 @@ class ChatCubit extends Cubit<ChatState> {
         ),
       );
       _startElapsedTimer(generation);
-      if (state.isWorkspaceMode || state.isWebSearchMode) {
+      if (attachments.isNotEmpty || state.isWorkspaceMode || state.isWebSearchMode) {
         answer =
-            state.isWorkspaceMode
+            attachments.isNotEmpty
+                ? await _api.analyzeFiles(
+                  attachments,
+                  prompt.isEmpty ? 'حلّل الملفات المرفقة واشرح وظيفتها.' : prompt,
+                  model: state.selectedModel,
+                )
+                : state.isWorkspaceMode
                 ? await _api.askWorkspaceAgent(prompt, model: state.selectedModel)
                 : await _api.searchWeb(prompt, model: state.selectedModel);
         if (isClosed || generation != _requestGeneration) return;
@@ -283,6 +338,7 @@ class ChatCubit extends Cubit<ChatState> {
             answer,
             fromUser: false,
             answerVersions: answerVersions,
+            feedbackVersions: [...previousFeedback, null],
             selectedVersion: answerVersions.length - 1,
           ),
         ];
@@ -315,6 +371,7 @@ class ChatCubit extends Cubit<ChatState> {
                 answer,
                 fromUser: false,
                 answerVersions: answerVersions,
+                feedbackVersions: [...previousFeedback, null],
                 selectedVersion: answerVersions.length - 1,
               ),
             ],
@@ -330,6 +387,7 @@ class ChatCubit extends Cubit<ChatState> {
           answer,
           fromUser: false,
           answerVersions: answerVersions,
+          feedbackVersions: [...previousFeedback, null],
           selectedVersion: answerVersions.length - 1,
         ),
       ];
@@ -358,6 +416,7 @@ class ChatCubit extends Cubit<ChatState> {
                   answer,
                   fromUser: false,
                   answerVersions: [...previousAnswers, answer],
+                  feedbackVersions: [...previousFeedback, null],
                   selectedVersion: previousAnswers.length,
                 ),
               ];

SovereignAI-Starter/flutter_app/lib/features/chat/presentation/cubit/chat_state.dart

@@ -7,18 +7,21 @@ class ChatMessage {
     this.text, {
     required this.fromUser,
     this.answerVersions = const [],
+    this.feedbackVersions = const [],
     this.selectedVersion = 0,
   });
 
   final String text;
   final bool fromUser;
   final List<String> answerVersions;
+  final List<int?> feedbackVersions;
   final int selectedVersion;
 
   Map<String, dynamic> toJson() => {
     'text': text,
     'fromUser': fromUser,
     'answerVersions': answerVersions,
+    'feedbackVersions': feedbackVersions,
     'selectedVersion': selectedVersion,
   };
 
@@ -27,6 +30,10 @@ class ChatMessage {
     fromUser: json['fromUser'] as bool,
     answerVersions:
         (json['answerVersions'] as List<dynamic>? ?? const []).cast<String>(),
+    feedbackVersions:
+        (json['feedbackVersions'] as List<dynamic>? ?? const [])
+            .map((value) => value as int?)
+            .toList(),
     selectedVersion: json['selectedVersion'] as int? ?? 0,
   );
 }