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SSE InitalResponseFix & SSEDisplay SmartAutoScroll

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This commit is contained in:
Manas Hejmadi
2025-06-26 01:14:22 +05:30
parent 383b6ad4bc
commit 59f90d911d
2 changed files with 118 additions and 59 deletions
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12
lib/providers/collection_providers.dart
View File

@@ -397,10 +397,14 @@ class CollectionStateNotifier
final statusCode = response.statusCode;
respModel = respModel ??
baseHttpResponseModel.fromResponse(
response: response,
time: duration,
);
baseHttpResponseModel
.fromResponse(
response: response,
time: duration,
)
.copyWith(
sseOutput: isTextStream ? [response.body] : [],
);
newRequestModel = newRequestModel.copyWith(
responseStatus: statusCode,

165
lib/widgets/response_body_success.dart
View File

@@ -151,10 +151,9 @@ class _ResponseBodySuccessState extends State<ResponseBodySuccess> {
width: double.maxFinite,
padding: kP8,
decoration: textContainerdecoration,
child: SingleChildScrollView(
child: SSEDisplay(
child: SSEDisplay(
sseOutput: widget.body,
)),
),
),
),
}
@@ -167,16 +166,67 @@ class _ResponseBodySuccessState extends State<ResponseBodySuccess> {
}
//MOVE THIS SOMEWHERE ELSE
class SSEDisplay extends StatelessWidget {
class SSEDisplay extends StatefulWidget {
final String sseOutput;
const SSEDisplay({super.key, required this.sseOutput});
@override
State<SSEDisplay> createState() => _SSEDisplayState();
}
class _SSEDisplayState extends State<SSEDisplay> {
final _scrollController = ScrollController();
bool autoScrollEnabled = true;
bool _isScrolling = false;
@override
void initState() {
super.initState();
_scrollController.addListener(() {
final position = _scrollController.position;
final atBottom = position.pixels >= position.maxScrollExtent - 50;
if (autoScrollEnabled && !atBottom) {
// User scrolled up manually
setState(() => autoScrollEnabled = false);
} else if (!autoScrollEnabled && atBottom) {
// User scrolled back to bottom
setState(() => autoScrollEnabled = true);
}
});
}
@override
void didUpdateWidget(covariant SSEDisplay oldWidget) {
super.didUpdateWidget(oldWidget);
if (oldWidget.sseOutput != widget.sseOutput &&
autoScrollEnabled &&
!_isScrolling) {
WidgetsBinding.instance.addPostFrameCallback((_) async {
if (_scrollController.hasClients) {
_isScrolling = true;
_scrollController.jumpTo(
_scrollController.position.maxScrollExtent,
);
_isScrolling = false;
}
});
}
}
@override
void dispose() {
_scrollController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
List<dynamic> sse;
try {
sse = jsonDecode(sseOutput);
sse = jsonDecode(widget.sseOutput);
} catch (e) {
return Text(
'Invalid SSE output',
@@ -184,59 +234,64 @@ class SSEDisplay extends StatelessWidget {
);
}
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: sse.map<Widget>((chunk) {
Map<String, dynamic>? parsedJson;
try {
parsedJson = jsonDecode(chunk);
} catch (_) {
// Not a JSON object
}
return SingleChildScrollView(
controller: _scrollController,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: sse.map<Widget>((chunk) {
Map<String, dynamic>? parsedJson;
try {
parsedJson = jsonDecode(chunk);
} catch (_) {}
return Card(
margin: const EdgeInsets.symmetric(vertical: 6, horizontal: 8),
elevation: 2,
shape:
RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
child: Padding(
padding: const EdgeInsets.all(12.0),
child: parsedJson != null
? Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: parsedJson.entries.map((entry) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 2.0),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'${entry.key}: ',
style: theme.textTheme.bodyMedium?.copyWith(
return Card(
margin: const EdgeInsets.symmetric(vertical: 6, horizontal: 8),
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
child: Padding(
padding: const EdgeInsets.all(12.0),
child: parsedJson != null
? Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: parsedJson.entries.map((entry) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 2.0),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'${entry.key}: ',
style: theme.textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.bold,
color: kColorGQL),
),
SizedBox(width: 4),
Expanded(
child: Text(
entry.value.toString(),
style: theme.textTheme.bodyMedium
?.copyWith(fontFamily: 'monospace'),
color: kColorGQL,
),
),
),
],
),
);
}).toList(),
)
: Text(
chunk.toString(),
style: theme.textTheme.bodyMedium
?.copyWith(fontFamily: 'monospace'),
),
),
);
}).toList(),
const SizedBox(width: 4),
Expanded(
child: Text(
entry.value.toString(),
style: theme.textTheme.bodyMedium?.copyWith(
fontFamily: 'monospace',
),
),
),
],
),
);
}).toList(),
)
: Text(
chunk.toString(),
style: theme.textTheme.bodyMedium?.copyWith(
fontFamily: 'monospace',
),
),
),
);
}).toList(),
),
);
}
}