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feat(chat): Improve error handling and message versioning

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This commit is contained in:
cogwheel0
2025-12-15 20:55:26 +05:30
parent 45532bf78f
commit 9018e382f7
5 changed files with 257 additions and 32 deletions
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45
lib/features/chat/providers/chat_providers.dart
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@@ -644,6 +644,7 @@ class ChatMessagesNotifier extends Notifier<List<ChatMessage>> {
followUps: List<String>.from(last.followUps),
codeExecutions: List<ChatCodeExecution>.from(last.codeExecutions),
usage: last.usage == null ? null : Map<String, dynamic>.from(last.usage!),
error: last.error, // Preserve error in version snapshot
);
final updated = last.copyWith(
@@ -655,6 +656,7 @@ class ChatMessagesNotifier extends Notifier<List<ChatMessage>> {
codeExecutions: const [],
sources: const [],
usage: null,
error: null, // Clear error for new generation
versions: [...last.versions, snapshot],
);
@@ -1414,6 +1416,7 @@ Future<void> regenerateMessage(
followUps: prev.followUps,
codeExecutions: prev.codeExecutions,
usage: prev.usage,
error: prev.error, // Preserve error in version snapshot
);
ref
.read(chatMessagesProvider.notifier)
@@ -2483,16 +2486,16 @@ Future<void> _sendMessageInternal(
final errorMessage = ChatMessage(
id: const Uuid().v4(),
role: 'assistant',
content:
'''⚠️ There was an issue with the message format. This might be because:
• The image attachment couldn't be processed
• The request format is incompatible with the selected model
• The message contains unsupported content
Please try sending the message again, or try without attachments.''',
content: '',
timestamp: DateTime.now(),
isStreaming: false,
error: const ChatMessageError(
content: 'There was an issue with the message format. This might be '
'because the image attachment couldn\'t be processed, the request '
'format is incompatible with the selected model, or the message '
'contains unsupported content. Please try sending the message '
'again, or try without attachments.',
),
);
ref.read(chatMessagesProvider.notifier).addMessage(errorMessage);
} else if (e.toString().contains('401') || e.toString().contains('403')) {
@@ -2502,11 +2505,14 @@ Please try sending the message again, or try without attachments.''',
final errorMessage = ChatMessage(
id: const Uuid().v4(),
role: 'assistant',
content:
'⚠️ Unable to connect to the AI model. The server returned an error (500).\n\n'
'This is typically a server-side issue. Please try again or contact your administrator.',
content: '',
timestamp: DateTime.now(),
isStreaming: false,
error: const ChatMessageError(
content: 'Unable to connect to the AI model. The server returned an '
'error (500). This is typically a server-side issue. Please try '
'again or contact your administrator.',
),
);
ref.read(chatMessagesProvider.notifier).addMessage(errorMessage);
} else if (e.toString().contains('404')) {
@@ -2517,11 +2523,14 @@ Please try sending the message again, or try without attachments.''',
final errorMessage = ChatMessage(
id: const Uuid().v4(),
role: 'assistant',
content:
'🤖 The selected AI model doesn\'t seem to be available.\n\n'
'Please try selecting a different model or check with your administrator.',
content: '',
timestamp: DateTime.now(),
isStreaming: false,
error: const ChatMessageError(
content: 'The selected AI model doesn\'t seem to be available. '
'Please try selecting a different model or check with your '
'administrator.',
),
);
ref.read(chatMessagesProvider.notifier).addMessage(errorMessage);
} else {
@@ -2529,11 +2538,13 @@ Please try sending the message again, or try without attachments.''',
final errorMessage = ChatMessage(
id: const Uuid().v4(),
role: 'assistant',
content:
'❌ An unexpected error occurred while processing your request.\n\n'
'Please try again or check your connection.',
content: '',
timestamp: DateTime.now(),
isStreaming: false,
error: const ChatMessageError(
content: 'An unexpected error occurred while processing your request. '
'Please try again or check your connection.',
),
);
ref.read(chatMessagesProvider.notifier).addMessage(errorMessage);
}