♻️ Refactored the thinking

This commit is contained in:
2025-11-15 17:10:36 +08:00
parent 645a6dca93
commit 5e9341a19c
3 changed files with 509 additions and 848 deletions

View File

@@ -1,6 +1,3 @@
import "dart:convert";
import "dart:math" as math;
import "package:dio/dio.dart";
import "package:easy_localization/easy_localization.dart";
import "package:flutter/material.dart";
import "package:flutter_hooks/flutter_hooks.dart";
@@ -9,14 +6,11 @@ import "package:riverpod_annotation/riverpod_annotation.dart";
import "package:hooks_riverpod/hooks_riverpod.dart";
import "package:island/models/thought.dart";
import "package:island/pods/network.dart";
import "package:island/pods/userinfo.dart";
import "package:island/widgets/app_scaffold.dart";
import "package:island/widgets/response.dart";
import "package:island/widgets/thought/thought_sequence_list.dart";
import "package:island/widgets/thought/thought_shared.dart";
import "package:material_symbols_icons/material_symbols_icons.dart";
import "package:super_sliver_list/super_sliver_list.dart";
import "package:collection/collection.dart";
part 'think.g.dart';
@@ -45,304 +39,18 @@ class ThoughtScreen extends HookConsumerWidget {
? ref.watch(thoughtSequenceProvider(selectedSequenceId.value!))
: const AsyncValue<List<SnThinkingThought>>.data([]);
final localThoughts = useState<List<SnThinkingThought>>([]);
final currentTopic = useState<String?>('aiThought'.tr());
final messageController = useTextEditingController();
final scrollController = useScrollController();
final isStreaming = useState(false);
final streamingParts = useState<List<SnThinkingMessagePart>>([]);
final reasoningChunks = useState<List<String>>([]);
final listController = useMemoized(() => ListController(), []);
// Scroll animation notifiers
final bottomGradientNotifier = useState(ValueNotifier<double>(0.0));
// Update local thoughts when provider data changes
useEffect(() {
thoughts.whenData((data) {
// Server returns messages in DESC order (newest first), keep as-is for UI
localThoughts.value = data;
// Update topic from the first thought's sequence
if (data.isNotEmpty && data.first.sequence?.topic != null) {
currentTopic.value = data.first.sequence!.topic;
} else {
currentTopic.value = 'aiThought'.tr();
}
});
return null;
}, [thoughts]);
// Scroll to bottom when thoughts change or streaming state changes
useEffect(() {
if (localThoughts.value.isNotEmpty || isStreaming.value) {
WidgetsBinding.instance.addPostFrameCallback((_) {
scrollController.animateTo(
0,
duration: const Duration(milliseconds: 300),
curve: Curves.easeOut,
);
});
}
return null;
}, [localThoughts.value.length, isStreaming.value]);
// Add scroll listener for gradient animations
useEffect(() {
void onScroll() {
// Update gradient animations
final pixels = scrollController.position.pixels;
// Bottom gradient: appears when not at bottom (pixels > 0)
bottomGradientNotifier.value.value = (pixels / 500.0).clamp(0.0, 1.0);
}
scrollController.addListener(onScroll);
return () => scrollController.removeListener(onScroll);
}, [scrollController]);
void sendMessage() async {
if (messageController.text.trim().isEmpty) return;
final userMessage = messageController.text.trim();
// Add user message to local thoughts
final userInfo = ref.read(userInfoProvider);
final now = DateTime.now();
final userThought = SnThinkingThought(
id: 'user-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: userMessage,
),
],
files: [],
role: ThinkingThoughtRole.user,
sequenceId: selectedSequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence:
selectedSequenceId.value != null
? thoughts.value?.firstOrNull?.sequence ??
SnThinkingSequence(
id: selectedSequenceId.value!,
accountId: '',
createdAt: now,
updatedAt: now,
)
: SnThinkingSequence(
id: '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [userThought, ...localThoughts.value];
final request = StreamThinkingRequest(
userMessage: userMessage,
sequenceId: selectedSequenceId.value,
accpetProposals: ['post_create'],
attachedMessages: [], // Message datas
attachedPosts: [], // ID list for posts
);
try {
isStreaming.value = true;
streamingParts.value = [];
reasoningChunks.value = [];
final apiClient = ref.read(apiClientProvider);
final response = await apiClient.post(
'/insight/thought',
data: request.toJson(),
options: Options(
responseType: ResponseType.stream,
sendTimeout: Duration(minutes: 1),
receiveTimeout: Duration(minutes: 1),
),
);
final stream = response.data.stream;
final lineBuffer = StringBuffer();
stream.listen(
(data) {
final chunk = utf8.decode(data);
lineBuffer.write(chunk);
final lines = lineBuffer.toString().split('\n');
lineBuffer.clear();
lineBuffer.write(lines.last); // keep incomplete line
for (final line in lines.sublist(0, lines.length - 1)) {
if (line.trim().isEmpty) continue;
try {
if (line.startsWith('data: ')) {
final jsonStr = line.substring(6);
final event = jsonDecode(jsonStr);
final type = event['type'];
final eventData = event['data'];
if (type == 'text') {
if (streamingParts.value.isNotEmpty &&
streamingParts.value.last.type ==
ThinkingMessagePartType.text) {
final last = streamingParts.value.last;
final newParts = [...streamingParts.value];
newParts[newParts.length - 1] = last.copyWith(
text: (last.text ?? '') + eventData,
);
streamingParts.value = newParts;
} else {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: eventData,
),
];
}
} else if (type == 'function_call') {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.functionCall,
functionCall: SnFunctionCall.fromJson(eventData),
),
];
} else if (type == 'function_result') {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.functionResult,
functionResult: SnFunctionResult.fromJson(eventData),
),
];
} else if (type == 'reasoning') {
reasoningChunks.value = [
...reasoningChunks.value,
eventData,
];
}
} else if (line.startsWith('topic: ')) {
final jsonStr = line.substring(7);
final event = jsonDecode(jsonStr);
currentTopic.value = event['data'];
} else if (line.startsWith('thought: ')) {
final jsonStr = line.substring(9);
final event = jsonDecode(jsonStr);
final aiThought = SnThinkingThought.fromJson(event['data']);
localThoughts.value = [aiThought, ...localThoughts.value];
if (selectedSequenceId.value == null &&
aiThought.sequenceId.isNotEmpty) {
selectedSequenceId.value = aiThought.sequenceId;
}
isStreaming.value = false;
}
} catch (e) {
// Ignore parsing errors for individual events
}
}
},
onDone: () {
if (isStreaming.value) {
isStreaming.value = false;
// Add error thought to the list for incomplete response
final now = DateTime.now();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: ${'thoughtParseError'.tr()}',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: selectedSequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: selectedSequenceId.value ?? '',
accountId: '',
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
}
},
onError: (error) {
isStreaming.value = false;
// Add error thought to the list
final now = DateTime.now();
final errorMessage =
error is DioException && error.response?.data is ResponseBody
? 'toughtParseError'.tr()
: error.toString();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: $errorMessage',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: selectedSequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: selectedSequenceId.value ?? '',
accountId: '',
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
},
);
messageController.clear();
FocusManager.instance.primaryFocus?.unfocus();
} catch (error) {
isStreaming.value = false;
// Add error thought to the list for initial request errors
final now = DateTime.now();
final userInfo = ref.read(userInfoProvider);
final errorMessage = error.toString();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: $errorMessage',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: selectedSequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: selectedSequenceId.value ?? '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
}
}
// Get initial thoughts and topic from provider
final initialThoughts = thoughts.valueOrNull;
final initialTopic =
(initialThoughts?.isNotEmpty ?? false) &&
initialThoughts!.first.sequence?.topic != null
? initialThoughts.first.sequence!.topic
: 'aiThought'.tr();
return AppScaffold(
isNoBackground: false,
appBar: AppBar(
title: Text(currentTopic.value ?? 'aiThought'.tr()),
title: Text(initialTopic ?? 'aiThought'.tr()),
actions: [
IconButton(
icon: const Icon(Symbols.history),
@@ -359,93 +67,17 @@ class ThoughtScreen extends HookConsumerWidget {
);
},
),
if (localThoughts.value.isNotEmpty &&
!isStreaming.value &&
localThoughts.value.last.role == ThinkingThoughtRole.assistant)
IconButton(
icon: const Icon(Symbols.add),
tooltip: 'thoughtNewConversation'.tr(),
onPressed: () {
// Clear current conversation and start new one
selectedSequenceId.value = null;
localThoughts.value = [];
currentTopic.value = 'aiThought'.tr();
messageController.clear();
},
),
// TODO: Need to access chat state for actions
const Gap(8),
],
),
body: Stack(
children: [
// Thoughts list
Center(
child: Container(
constraints: BoxConstraints(maxWidth: 640),
child: Column(
children: [
Expanded(
child: thoughts.when(
body: thoughts.when(
data:
(thoughtList) => SuperListView.builder(
listController: listController,
controller: scrollController,
padding: EdgeInsets.only(
top: 16,
bottom:
MediaQuery.of(context).padding.bottom +
80, // Leave space for thought input
(thoughtList) => ThoughtChatInterface(
initialThoughts: thoughtList,
initialTopic: initialTopic,
),
reverse: true,
itemCount:
localThoughts.value.length +
(isStreaming.value ? 1 : 0),
itemBuilder: (context, index) {
if (isStreaming.value && index == 0) {
final streamingText = streamingParts.value
.where(
(p) =>
p.type ==
ThinkingMessagePartType.text,
)
.map((p) => p.text ?? '')
.join('');
final streamingFunctionCalls =
streamingParts.value
.where(
(p) =>
p.type ==
ThinkingMessagePartType
.functionCall,
)
.map(
(p) => JsonEncoder.withIndent(
' ',
).convert(
p.functionCall?.toJson() ?? {},
),
)
.toList();
return ThoughtItem(
isStreaming: true,
streamingText: streamingText,
reasoningChunks: reasoningChunks.value,
streamingFunctionCalls:
streamingFunctionCalls,
);
}
final thoughtIndex =
isStreaming.value ? index - 1 : index;
final thought = localThoughts.value[thoughtIndex];
return ThoughtItem(
thought: thought,
thoughtIndex: thoughtIndex,
);
},
),
loading:
() =>
const Center(child: CircularProgressIndicator()),
loading: () => const Center(child: CircularProgressIndicator()),
error:
(error, _) => ResponseErrorWidget(
error: error,
@@ -453,69 +85,11 @@ class ThoughtScreen extends HookConsumerWidget {
() =>
selectedSequenceId.value != null
? ref.invalidate(
thoughtSequenceProvider(
selectedSequenceId.value!,
),
thoughtSequenceProvider(selectedSequenceId.value!),
)
: null,
),
),
),
],
),
),
),
// Bottom gradient - appears when scrolling towards newer thoughts (behind thought input)
AnimatedBuilder(
animation: bottomGradientNotifier.value,
builder:
(context, child) => Positioned(
left: 0,
right: 0,
bottom: 0,
child: Opacity(
opacity: bottomGradientNotifier.value.value,
child: Container(
height: math.min(
MediaQuery.of(context).size.height * 0.1,
128,
),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.bottomCenter,
end: Alignment.topCenter,
colors: [
Theme.of(
context,
).colorScheme.surfaceContainer.withOpacity(0.8),
Theme.of(
context,
).colorScheme.surfaceContainer.withOpacity(0.0),
],
),
),
),
),
),
),
// Thought Input positioned above gradient (higher z-index)
Positioned(
left: 0,
right: 0,
bottom: 0, // At the very bottom, above gradient
child: Center(
child: Container(
constraints: BoxConstraints(maxWidth: 640),
child: ThoughtInput(
messageController: messageController,
isStreaming: isStreaming.value,
onSend: sendMessage,
),
),
),
),
],
),
);
}
}

View File

@@ -1,16 +1,8 @@
import "dart:convert";
import "dart:math" as math;
import "package:dio/dio.dart";
import "package:easy_localization/easy_localization.dart";
import "package:flutter/material.dart";
import "package:flutter_hooks/flutter_hooks.dart";
import "package:hooks_riverpod/hooks_riverpod.dart";
import "package:island/models/thought.dart";
import "package:island/pods/network.dart";
import "package:island/pods/userinfo.dart";
import "package:island/widgets/content/sheet.dart";
import "package:island/widgets/thought/thought_shared.dart";
import "package:super_sliver_list/super_sliver_list.dart";
class ThoughtSheet extends HookConsumerWidget {
final List<Map<String, dynamic>> attachedMessages;
@@ -41,398 +33,18 @@ class ThoughtSheet extends HookConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final sequenceId = useState<String?>(null);
final localThoughts = useState<List<SnThinkingThought>>([]);
final currentTopic = useState<String?>('aiThought'.tr());
final messageController = useTextEditingController();
final scrollController = useScrollController();
final isStreaming = useState(false);
final streamingParts = useState<List<SnThinkingMessagePart>>([]);
final reasoningChunks = useState<List<String>>([]);
final listController = useMemoized(() => ListController(), []);
// Scroll animation notifiers
final bottomGradientNotifier = useState(ValueNotifier<double>(0.0));
// Scroll to bottom when thoughts change or streaming state changes
useEffect(() {
if (localThoughts.value.isNotEmpty || isStreaming.value) {
WidgetsBinding.instance.addPostFrameCallback((_) {
scrollController.animateTo(
0,
duration: const Duration(milliseconds: 300),
curve: Curves.easeOut,
);
});
}
return null;
}, [localThoughts.value.length, isStreaming.value]);
// Add scroll listener for gradient animations
useEffect(() {
void onScroll() {
// Update gradient animations
final pixels = scrollController.position.pixels;
// Bottom gradient: appears when not at bottom (pixels > 0)
bottomGradientNotifier.value.value = (pixels / 500.0).clamp(0.0, 1.0);
}
scrollController.addListener(onScroll);
return () => scrollController.removeListener(onScroll);
}, [scrollController]);
void sendMessage() async {
if (messageController.text.trim().isEmpty) return;
final userMessage = messageController.text.trim();
// Add user message to local thoughts
final userInfo = ref.read(userInfoProvider);
final now = DateTime.now();
final userThought = SnThinkingThought(
id: 'user-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: userMessage,
),
],
files: [],
role: ThinkingThoughtRole.user,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [userThought, ...localThoughts.value];
final request = StreamThinkingRequest(
userMessage: userMessage,
sequenceId: sequenceId.value,
accpetProposals: ['post_create'],
final chatState = useThoughtChat(
ref,
attachedMessages: attachedMessages,
attachedPosts: attachedPosts,
);
try {
isStreaming.value = true;
streamingParts.value = [];
reasoningChunks.value = [];
final apiClient = ref.read(apiClientProvider);
final response = await apiClient.post(
'/insight/thought',
data: request.toJson(),
options: Options(
responseType: ResponseType.stream,
sendTimeout: Duration(minutes: 1),
receiveTimeout: Duration(minutes: 1),
),
);
final stream = response.data.stream;
final lineBuffer = StringBuffer();
stream.listen(
(data) {
final chunk = utf8.decode(data);
lineBuffer.write(chunk);
final lines = lineBuffer.toString().split('\n');
lineBuffer.clear();
lineBuffer.write(lines.last); // keep incomplete line
for (final line in lines.sublist(0, lines.length - 1)) {
if (line.trim().isEmpty) continue;
try {
if (line.startsWith('data: ')) {
final jsonStr = line.substring(6);
final event = jsonDecode(jsonStr);
final type = event['type'];
final eventData = event['data'];
if (type == 'text') {
if (streamingParts.value.isNotEmpty &&
streamingParts.value.last.type ==
ThinkingMessagePartType.text) {
final last = streamingParts.value.last;
final newParts = [...streamingParts.value];
newParts[newParts.length - 1] = last.copyWith(
text: (last.text ?? '') + eventData,
);
streamingParts.value = newParts;
} else {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: eventData,
),
];
}
} else if (type == 'function_call') {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.functionCall,
functionCall: SnFunctionCall.fromJson(eventData),
),
];
} else if (type == 'function_result') {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.functionResult,
functionResult: SnFunctionResult.fromJson(eventData),
),
];
} else if (type == 'reasoning') {
reasoningChunks.value = [
...reasoningChunks.value,
eventData,
];
}
} else if (line.startsWith('topic: ')) {
final jsonStr = line.substring(7);
final event = jsonDecode(jsonStr);
currentTopic.value = event['data'];
} else if (line.startsWith('thought: ')) {
final jsonStr = line.substring(9);
final event = jsonDecode(jsonStr);
final aiThought = SnThinkingThought.fromJson(event['data']);
localThoughts.value = [aiThought, ...localThoughts.value];
if (sequenceId.value == null &&
aiThought.sequenceId.isNotEmpty) {
sequenceId.value = aiThought.sequenceId;
}
isStreaming.value = false;
}
} catch (e) {
// Ignore parsing errors for individual events
}
}
},
onDone: () {
if (isStreaming.value) {
isStreaming.value = false;
// Add error thought to the list for incomplete response
final userInfo = ref.read(userInfoProvider);
final now = DateTime.now();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: ${'thoughtParseError'.tr()}',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
}
},
onError: (error) {
isStreaming.value = false;
// Add error thought to the list
final userInfo = ref.read(userInfoProvider);
final now = DateTime.now();
final errorMessage =
error is DioException && error.response?.data is ResponseBody
? 'toughtParseError'.tr()
: error.toString();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: $errorMessage',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
},
);
messageController.clear();
FocusManager.instance.primaryFocus?.unfocus();
} catch (error) {
isStreaming.value = false;
// Add error thought to the list for initial request errors
final userInfo = ref.read(userInfoProvider);
final now = DateTime.now();
final errorMessage = error.toString();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: $errorMessage',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
}
}
return SheetScaffold(
titleText: currentTopic.value ?? 'aiThought'.tr(),
child: Stack(
children: [
// Thoughts list
Center(
child: Container(
constraints: BoxConstraints(maxWidth: 640),
child: Column(
children: [
Expanded(
child: SuperListView.builder(
listController: listController,
controller: scrollController,
padding: EdgeInsets.only(
top: 16,
bottom:
MediaQuery.of(context).padding.bottom +
80, // Leave space for thought input
),
reverse: true,
itemCount:
localThoughts.value.length +
(isStreaming.value ? 1 : 0),
itemBuilder: (context, index) {
if (isStreaming.value && index == 0) {
final streamingText = streamingParts.value
.where(
(p) => p.type == ThinkingMessagePartType.text,
)
.map((p) => p.text ?? '')
.join('');
final streamingFunctionCalls =
streamingParts.value
.where(
(p) =>
p.type ==
ThinkingMessagePartType.functionCall,
)
.map(
(p) => JsonEncoder.withIndent(
' ',
).convert(p.functionCall?.toJson() ?? {}),
)
.toList();
return ThoughtItem(
isStreaming: true,
streamingText: streamingText,
reasoningChunks: reasoningChunks.value,
streamingFunctionCalls: streamingFunctionCalls,
);
}
final thoughtIndex =
isStreaming.value ? index - 1 : index;
final thought = localThoughts.value[thoughtIndex];
return ThoughtItem(
thought: thought,
thoughtIndex: thoughtIndex,
);
},
),
),
],
),
),
),
// Bottom gradient - appears when scrolling towards newer thoughts (behind thought input)
AnimatedBuilder(
animation: bottomGradientNotifier.value,
builder:
(context, child) => Positioned(
left: 0,
right: 0,
bottom: 0,
child: Opacity(
opacity: bottomGradientNotifier.value.value,
child: Container(
height: math.min(
MediaQuery.of(context).size.height * 0.1,
128,
),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.bottomCenter,
end: Alignment.topCenter,
colors: [
Theme.of(
context,
).colorScheme.surfaceContainer.withOpacity(0.8),
Theme.of(
context,
).colorScheme.surfaceContainer.withOpacity(0.0),
],
),
),
),
),
),
),
// Thought Input positioned above gradient (higher z-index)
Positioned(
left: 0,
right: 0,
bottom: 0, // At the very bottom, above gradient
child: Center(
child: Container(
constraints: BoxConstraints(maxWidth: 640),
child: ThoughtInput(
messageController: messageController,
isStreaming: isStreaming.value,
onSend: sendMessage,
titleText: chatState.currentTopic.value ?? 'aiThought'.tr(),
child: ThoughtChatInterface(
attachedMessages: attachedMessages,
attachedPosts: attachedPosts,
),
),
),
),
],
),
);
}
}

View File

@@ -1,8 +1,14 @@
import 'dart:convert';
import 'dart:math' as math;
import 'package:dio/dio.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:gap/gap.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:island/models/thought.dart';
import 'package:island/pods/network.dart';
import 'package:island/pods/userinfo.dart';
import 'package:island/screens/posts/compose.dart';
import 'package:island/widgets/alert.dart';
import 'package:island/widgets/post/compose_sheet.dart';
@@ -13,6 +19,475 @@ import 'package:island/widgets/thought/thought_content.dart';
import 'package:island/widgets/thought/thought_header.dart';
import 'package:island/widgets/thought/token_info.dart';
import 'package:material_symbols_icons/material_symbols_icons.dart';
import 'package:super_sliver_list/super_sliver_list.dart';
class ThoughtChatState {
final ValueNotifier<String?> sequenceId;
final ValueNotifier<List<SnThinkingThought>> localThoughts;
final ValueNotifier<String?> currentTopic;
final TextEditingController messageController;
final ScrollController scrollController;
final ValueNotifier<bool> isStreaming;
final ValueNotifier<List<SnThinkingMessagePart>> streamingParts;
final ValueNotifier<List<String>> reasoningChunks;
final ListController listController;
final ValueNotifier<ValueNotifier<double>> bottomGradientNotifier;
final Future<void> Function() sendMessage;
ThoughtChatState({
required this.sequenceId,
required this.localThoughts,
required this.currentTopic,
required this.messageController,
required this.scrollController,
required this.isStreaming,
required this.streamingParts,
required this.reasoningChunks,
required this.listController,
required this.bottomGradientNotifier,
required this.sendMessage,
});
}
ThoughtChatState useThoughtChat(
WidgetRef ref, {
String? initialSequenceId,
List<SnThinkingThought>? initialThoughts,
String? initialTopic,
List<Map<String, dynamic>> attachedMessages = const [],
List<String> attachedPosts = const [],
VoidCallback? onSequenceIdChanged,
}) {
final sequenceId = useState<String?>(initialSequenceId);
final localThoughts = useState<List<SnThinkingThought>>(
initialThoughts ?? [],
);
final currentTopic = useState<String?>(initialTopic ?? 'aiThought'.tr());
final messageController = useTextEditingController();
final scrollController = useScrollController();
final isStreaming = useState(false);
final streamingParts = useState<List<SnThinkingMessagePart>>([]);
final reasoningChunks = useState<List<String>>([]);
final listController = useMemoized(() => ListController(), []);
// Scroll animation notifiers
final bottomGradientNotifier = useState(ValueNotifier<double>(0.0));
// Scroll to bottom when thoughts change or streaming state changes
useEffect(() {
if (localThoughts.value.isNotEmpty || isStreaming.value) {
WidgetsBinding.instance.addPostFrameCallback((_) {
scrollController.animateTo(
0,
duration: const Duration(milliseconds: 300),
curve: Curves.easeOut,
);
});
}
return null;
}, [localThoughts.value.length, isStreaming.value]);
// Add scroll listener for gradient animations
useEffect(() {
void onScroll() {
// Update gradient animations
final pixels = scrollController.position.pixels;
// Bottom gradient: appears when not at bottom (pixels > 0)
bottomGradientNotifier.value.value = (pixels / 500.0).clamp(0.0, 1.0);
}
scrollController.addListener(onScroll);
return () => scrollController.removeListener(onScroll);
}, [scrollController]);
Future<void> sendMessage() async {
if (messageController.text.trim().isEmpty) return;
final userMessage = messageController.text.trim();
// Add user message to local thoughts
final userInfo = ref.read(userInfoProvider);
final now = DateTime.now();
final userThought = SnThinkingThought(
id: 'user-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: userMessage,
),
],
files: [],
role: ThinkingThoughtRole.user,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [userThought, ...localThoughts.value];
final request = StreamThinkingRequest(
userMessage: userMessage,
sequenceId: sequenceId.value,
accpetProposals: ['post_create'],
attachedMessages: attachedMessages,
attachedPosts: attachedPosts,
);
try {
isStreaming.value = true;
streamingParts.value = [];
reasoningChunks.value = [];
final apiClient = ref.read(apiClientProvider);
final response = await apiClient.post(
'/insight/thought',
data: request.toJson(),
options: Options(
responseType: ResponseType.stream,
sendTimeout: Duration(minutes: 1),
receiveTimeout: Duration(minutes: 1),
),
);
final stream = response.data.stream;
final lineBuffer = StringBuffer();
stream.listen(
(data) {
final chunk = utf8.decode(data);
lineBuffer.write(chunk);
final lines = lineBuffer.toString().split('\n');
lineBuffer.clear();
lineBuffer.write(lines.last); // keep incomplete line
for (final line in lines.sublist(0, lines.length - 1)) {
if (line.trim().isEmpty) continue;
try {
if (line.startsWith('data: ')) {
final jsonStr = line.substring(6);
final event = jsonDecode(jsonStr);
final type = event['type'];
final eventData = event['data'];
if (type == 'text') {
if (streamingParts.value.isNotEmpty &&
streamingParts.value.last.type ==
ThinkingMessagePartType.text) {
final last = streamingParts.value.last;
final newParts = [...streamingParts.value];
newParts[newParts.length - 1] = last.copyWith(
text: (last.text ?? '') + eventData,
);
streamingParts.value = newParts;
} else {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: eventData,
),
];
}
} else if (type == 'function_call') {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.functionCall,
functionCall: SnFunctionCall.fromJson(eventData),
),
];
} else if (type == 'function_result') {
streamingParts.value = [
...streamingParts.value,
SnThinkingMessagePart(
type: ThinkingMessagePartType.functionResult,
functionResult: SnFunctionResult.fromJson(eventData),
),
];
} else if (type == 'reasoning') {
reasoningChunks.value = [...reasoningChunks.value, eventData];
}
} else if (line.startsWith('topic: ')) {
final jsonStr = line.substring(7);
final event = jsonDecode(jsonStr);
currentTopic.value = event['data'];
} else if (line.startsWith('thought: ')) {
final jsonStr = line.substring(9);
final event = jsonDecode(jsonStr);
final aiThought = SnThinkingThought.fromJson(event['data']);
localThoughts.value = [aiThought, ...localThoughts.value];
if (sequenceId.value == null &&
aiThought.sequenceId.isNotEmpty) {
sequenceId.value = aiThought.sequenceId;
onSequenceIdChanged?.call();
}
isStreaming.value = false;
}
} catch (e) {
// Ignore parsing errors for individual events
}
}
},
onDone: () {
if (isStreaming.value) {
isStreaming.value = false;
// Add error thought to the list for incomplete response
final now = DateTime.now();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: ${'thoughtParseError'.tr()}',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: '',
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
}
},
onError: (error) {
isStreaming.value = false;
// Add error thought to the list
final now = DateTime.now();
final errorMessage =
error is DioException && error.response?.data is ResponseBody
? 'toughtParseError'.tr()
: error.toString();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: $errorMessage',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: '',
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
},
);
messageController.clear();
FocusManager.instance.primaryFocus?.unfocus();
} catch (error) {
isStreaming.value = false;
// Add error thought to the list for initial request errors
final now = DateTime.now();
final userInfo = ref.read(userInfoProvider);
final errorMessage = error.toString();
final errorThought = SnThinkingThought(
id: 'error-${DateTime.now().millisecondsSinceEpoch}',
parts: [
SnThinkingMessagePart(
type: ThinkingMessagePartType.text,
text: 'Error: $errorMessage',
),
],
files: [],
role: ThinkingThoughtRole.assistant,
sequenceId: sequenceId.value ?? '',
createdAt: now,
updatedAt: now,
sequence: SnThinkingSequence(
id: sequenceId.value ?? '',
accountId: userInfo.value!.id,
createdAt: now,
updatedAt: now,
),
);
localThoughts.value = [errorThought, ...localThoughts.value];
}
}
return ThoughtChatState(
sequenceId: sequenceId,
localThoughts: localThoughts,
currentTopic: currentTopic,
messageController: messageController,
scrollController: scrollController,
isStreaming: isStreaming,
streamingParts: streamingParts,
reasoningChunks: reasoningChunks,
listController: listController,
bottomGradientNotifier: bottomGradientNotifier,
sendMessage: sendMessage,
);
}
class ThoughtChatInterface extends HookConsumerWidget {
final List<SnThinkingThought>? initialThoughts;
final String? initialTopic;
final List<Map<String, dynamic>> attachedMessages;
final List<String> attachedPosts;
const ThoughtChatInterface({
super.key,
this.initialThoughts,
this.initialTopic,
this.attachedMessages = const [],
this.attachedPosts = const [],
});
@override
Widget build(BuildContext context, WidgetRef ref) {
final chatState = useThoughtChat(
ref,
initialThoughts: initialThoughts,
initialTopic: initialTopic,
attachedMessages: attachedMessages,
attachedPosts: attachedPosts,
);
return Stack(
children: [
// Thoughts list
Center(
child: Container(
constraints: BoxConstraints(maxWidth: 640),
child: Column(
children: [
Expanded(
child: SuperListView.builder(
listController: chatState.listController,
controller: chatState.scrollController,
padding: EdgeInsets.only(
top: 16,
bottom:
MediaQuery.of(context).padding.bottom +
80, // Leave space for thought input
),
reverse: true,
itemCount:
chatState.localThoughts.value.length +
(chatState.isStreaming.value ? 1 : 0),
itemBuilder: (context, index) {
if (chatState.isStreaming.value && index == 0) {
final streamingText = chatState.streamingParts.value
.where(
(p) => p.type == ThinkingMessagePartType.text,
)
.map((p) => p.text ?? '')
.join('');
final streamingFunctionCalls =
chatState.streamingParts.value
.where(
(p) =>
p.type ==
ThinkingMessagePartType.functionCall,
)
.map(
(p) => JsonEncoder.withIndent(
' ',
).convert(p.functionCall?.toJson() ?? {}),
)
.toList();
return ThoughtItem(
isStreaming: true,
streamingText: streamingText,
reasoningChunks: chatState.reasoningChunks.value,
streamingFunctionCalls: streamingFunctionCalls,
);
}
final thoughtIndex =
chatState.isStreaming.value ? index - 1 : index;
final thought =
chatState.localThoughts.value[thoughtIndex];
return ThoughtItem(
thought: thought,
thoughtIndex: thoughtIndex,
);
},
),
),
],
),
),
),
// Bottom gradient - appears when scrolling towards newer thoughts (behind thought input)
AnimatedBuilder(
animation: chatState.bottomGradientNotifier.value,
builder:
(context, child) => Positioned(
left: 0,
right: 0,
bottom: 0,
child: Opacity(
opacity: chatState.bottomGradientNotifier.value.value,
child: Container(
height: math.min(
MediaQuery.of(context).size.height * 0.1,
128,
),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.bottomCenter,
end: Alignment.topCenter,
colors: [
Theme.of(
context,
).colorScheme.surfaceContainer.withOpacity(0.8),
Theme.of(
context,
).colorScheme.surfaceContainer.withOpacity(0.0),
],
),
),
),
),
),
),
// Thought Input positioned above gradient (higher z-index)
Positioned(
left: 0,
right: 0,
bottom: 0, // At the very bottom, above gradient
child: Center(
child: Container(
constraints: BoxConstraints(maxWidth: 640),
child: ThoughtInput(
messageController: chatState.messageController,
isStreaming: chatState.isStreaming.value,
onSend: chatState.sendMessage,
attachedMessages: attachedMessages,
attachedPosts: attachedPosts,
),
),
),
),
],
);
}
}
List<Map<String, String>> _extractProposals(String content) {
final proposalRegex = RegExp(