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Improve error handling in message view

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This commit is contained in:
Nutcake 2023-05-16 15:57:44 +02:00
parent 57cbd4370b
commit 5d5b01b8a9
5 changed files with 232 additions and 202 deletions
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7
lib/clients/api_client.dart
View file

@ -124,10 +124,13 @@ class ApiClient {
if (response.statusCode == 403) {
tryCachedLogin();
// TODO: Show the login screen again if cached login was unsuccessful.
throw "You are not authorized to do that.";
throw "You are not authorized to do that";
}
if (response.statusCode == 500) {
throw "Internal server error";
}
if (response.statusCode != 200) {
throw "Unknown Error${kDebugMode ? ": ${response.statusCode}|${response.body}" : ""}";
throw "Unknown Error: ${response.statusCode}${kDebugMode ? "|${response.body}" : ""}";
}
}

4
lib/clients/messaging_client.dart
View file

@ -196,6 +196,10 @@ class MessagingClient extends ChangeNotifier {
MessageCache _createUserMessageCache(String userId) => MessageCache(apiClient: _apiClient, userId: userId);
void deleteUserMessageCache(String userId) {
_messageCache.remove(userId);
}
Future<void> loadUserMessageCache(String userId) async {
final cache = getUserMessageCache(userId) ?? _createUserMessageCache(userId);
await cache.loadMessages();

13
lib/models/message.dart
View file

@ -114,7 +114,7 @@ class MessageCache {
final List<Message> _messages = [];
final ApiClient _apiClient;
final String _userId;
Future? currentOperation;
Object? error;
List<Message> get messages => _messages;
@ -155,9 +155,14 @@ class MessageCache {
}
Future<void> loadMessages() async {
final messages = await MessageApi.getUserMessages(_apiClient, userId: _userId);
_messages.addAll(messages);
_ensureIntegrity();
error = null;
try {
final messages = await MessageApi.getUserMessages(_apiClient, userId: _userId);
_messages.addAll(messages);
_ensureIntegrity();
} catch (e) {
error = e;
}
}
void _ensureIntegrity() {

408
lib/widgets/messages/messages_list.dart
View file

@ -2,6 +2,7 @@ import 'package:contacts_plus_plus/client_holder.dart';
import 'package:contacts_plus_plus/clients/messaging_client.dart';
import 'package:contacts_plus_plus/models/friend.dart';
import 'package:contacts_plus_plus/models/message.dart';
import 'package:contacts_plus_plus/widgets/default_error_widget.dart';
import 'package:contacts_plus_plus/widgets/friends/friend_online_status_indicator.dart';
import 'package:contacts_plus_plus/widgets/messages/messages_session_header.dart';
import 'package:flutter/material.dart';
@ -78,213 +79,230 @@ class _MessagesListState extends State<MessagesList> with SingleTickerProviderSt
.of(context)
.colorScheme
.surfaceVariant;
return Scaffold(
appBar: AppBar(
title: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
FriendOnlineStatusIndicator(userStatus: widget.friend.userStatus),
const SizedBox(width: 8,),
Text(widget.friend.username),
if (widget.friend.isHeadless) Padding(
padding: const EdgeInsets.only(left: 12),
child: Icon(Icons.dns, size: 18, color: Theme
.of(context)
.colorScheme
.onSecondaryContainer
.withAlpha(150),),
),
],
),
scrolledUnderElevation: 0.0,
backgroundColor: appBarColor,
),
body: Column(
children: [
if (sessions.isNotEmpty) Container(
constraints: const BoxConstraints(maxHeight: 64),
decoration: BoxDecoration(
color: appBarColor,
border: const Border(top: BorderSide(width: 1, color: Colors.black26),)
),
child: Stack(
return Consumer<MessagingClient>(
builder: (context, mClient, _) {
final cache = mClient.getUserMessageCache(widget.friend.id);
return Scaffold(
appBar: AppBar(
title: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
ListView.builder(
controller: _sessionListScrollController,
scrollDirection: Axis.horizontal,
itemCount: sessions.length,
itemBuilder: (context, index) => SessionTile(session: sessions[index]),
FriendOnlineStatusIndicator(userStatus: widget.friend.userStatus),
const SizedBox(width: 8,),
Text(widget.friend.username),
if (widget.friend.isHeadless) Padding(
padding: const EdgeInsets.only(left: 12),
child: Icon(Icons.dns, size: 18, color: Theme
.of(context)
.colorScheme
.onSecondaryContainer
.withAlpha(150),),
),
AnimatedOpacity(
opacity: _shevronOpacity,
curve: Curves.easeOut,
duration: const Duration(milliseconds: 200),
child: Align(
alignment: Alignment.centerRight,
child: Container(
padding: const EdgeInsets.only(left: 16, right: 4, top: 1, bottom: 1),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.centerLeft,
end: Alignment.centerRight,
colors: [
appBarColor.withOpacity(0),
appBarColor,
appBarColor,
],
],
),
scrolledUnderElevation: 0.0,
backgroundColor: appBarColor,
),
body: Column(
children: [
if (sessions.isNotEmpty) Container(
constraints: const BoxConstraints(maxHeight: 64),
decoration: BoxDecoration(
color: appBarColor,
border: const Border(top: BorderSide(width: 1, color: Colors.black26),)
),
child: Stack(
children: [
ListView.builder(
controller: _sessionListScrollController,
scrollDirection: Axis.horizontal,
itemCount: sessions.length,
itemBuilder: (context, index) => SessionTile(session: sessions[index]),
),
AnimatedOpacity(
opacity: _shevronOpacity,
curve: Curves.easeOut,
duration: const Duration(milliseconds: 200),
child: Align(
alignment: Alignment.centerRight,
child: Container(
padding: const EdgeInsets.only(left: 16, right: 4, top: 1, bottom: 1),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.centerLeft,
end: Alignment.centerRight,
colors: [
appBarColor.withOpacity(0),
appBarColor,
appBarColor,
],
),
),
height: double.infinity,
child: const Icon(Icons.chevron_right),
),
),
height: double.infinity,
child: const Icon(Icons.chevron_right),
),
),
)
],
),
),
Expanded(
child: Consumer<MessagingClient>(
builder: (context, mClient, _) {
final cache = mClient.getUserMessageCache(widget.friend.id);
if (cache == null) {
return const Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
LinearProgressIndicator()
],
);
}
if (cache.messages.isEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.message_outlined),
Padding(
padding: const EdgeInsets.symmetric(vertical: 24),
child: Text(
"There are no messages here\nWhy not say hello?",
textAlign: TextAlign.center,
style: Theme
.of(context)
.textTheme
.titleMedium,
),
)
],
),
);
}
return ListView.builder(
controller: _messageScrollController,
reverse: true,
itemCount: cache.messages.length,
itemBuilder: (context, index) {
final entry = cache.messages[index];
if (index == cache.messages.length - 1) {
return Padding(
padding: const EdgeInsets.only(top: 12),
child: MessageBubble(message: entry,),
)
],
),
),
Expanded(
child: Builder(
builder: (context) {
if (cache == null) {
return const Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
LinearProgressIndicator()
],
);
}
if (cache.error != null) {
return DefaultErrorWidget(
message: cache.error.toString(),
onRetry: () {
setState(() {
mClient.deleteUserMessageCache(widget.friend.id);
});
mClient.loadUserMessageCache(widget.friend.id);
},
);
}
return MessageBubble(message: entry,);
},
);
},
),
),
AnimatedContainer(
decoration: BoxDecoration(
boxShadow: [
BoxShadow(
blurRadius: _showBottomBarShadow ? 8 : 0,
color: Theme.of(context).shadowColor,
offset: const Offset(0, 4),
),
],
color: Theme.of(context).colorScheme.background,
),
padding: const EdgeInsets.symmetric(horizontal: 4),
duration: const Duration(milliseconds: 250),
child: Row(
children: [
Expanded(
child: Padding(
padding: const EdgeInsets.all(8),
child: TextField(
autocorrect: true,
controller: _messageTextController,
maxLines: 4,
minLines: 1,
onChanged: (text) {
if (text.isNotEmpty && !_isSendable) {
setState(() {
_isSendable = true;
});
} else if (text.isEmpty && _isSendable) {
setState(() {
_isSendable = false;
});
if (cache.messages.isEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.message_outlined),
Padding(
padding: const EdgeInsets.symmetric(vertical: 24),
child: Text(
"There are no messages here\nWhy not say hello?",
textAlign: TextAlign.center,
style: Theme
.of(context)
.textTheme
.titleMedium,
),
)
],
),
);
}
return ListView.builder(
controller: _messageScrollController,
reverse: true,
itemCount: cache.messages.length,
itemBuilder: (context, index) {
final entry = cache.messages[index];
if (index == cache.messages.length - 1) {
return Padding(
padding: const EdgeInsets.only(top: 12),
child: MessageBubble(message: entry,),
);
}
return MessageBubble(message: entry,);
},
decoration: InputDecoration(
isDense: true,
hintText: "Send a message to ${widget.friend
.username}...",
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(24)
)
);
},
),
),
AnimatedContainer(
decoration: BoxDecoration(
boxShadow: [
BoxShadow(
blurRadius: _showBottomBarShadow ? 8 : 0,
color: Theme.of(context).shadowColor,
offset: const Offset(0, 4),
),
],
color: Theme.of(context).colorScheme.background,
),
padding: const EdgeInsets.symmetric(horizontal: 4),
duration: const Duration(milliseconds: 250),
child: Row(
children: [
Expanded(
child: Padding(
padding: const EdgeInsets.all(8),
child: TextField(
enabled: cache != null && cache.error == null,
autocorrect: true,
controller: _messageTextController,
maxLines: 4,
minLines: 1,
onChanged: (text) {
if (text.isNotEmpty && !_isSendable) {
setState(() {
_isSendable = true;
});
} else if (text.isEmpty && _isSendable) {
setState(() {
_isSendable = false;
});
}
},
decoration: InputDecoration(
isDense: true,
hintText: "Message ${widget.friend
.username}...",
hintMaxLines: 1,
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(24)
)
),
),
),
),
),
),
Padding(
padding: const EdgeInsets.only(left: 8, right: 4.0),
child: Consumer<MessagingClient>(
builder: (context, mClient, _) {
return IconButton(
splashRadius: 24,
onPressed: _isSendable ? () async {
setState(() {
_isSendable = false;
});
final message = Message(
id: Message.generateId(),
recipientId: widget.friend.id,
senderId: apiClient.userId,
type: MessageType.text,
content: _messageTextController.text,
sendTime: DateTime.now().toUtc(),
Padding(
padding: const EdgeInsets.only(left: 8, right: 4.0),
child: Consumer<MessagingClient>(
builder: (context, mClient, _) {
return IconButton(
splashRadius: 24,
onPressed: _isSendable ? () async {
setState(() {
_isSendable = false;
});
final message = Message(
id: Message.generateId(),
recipientId: widget.friend.id,
senderId: apiClient.userId,
type: MessageType.text,
content: _messageTextController.text,
sendTime: DateTime.now().toUtc(),
);
try {
mClient.sendMessage(message);
_messageTextController.clear();
setState(() {});
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text("Failed to send message\n$e",
maxLines: null,
),
),
);
setState(() {
_isSendable = true;
});
}
} : null,
iconSize: 28,
icon: const Icon(Icons.send),
);
try {
mClient.sendMessage(message);
_messageTextController.clear();
setState(() {});
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text("Failed to send message\n$e",
maxLines: null,
),
),
);
setState(() {
_isSendable = true;
});
}
} : null,
iconSize: 28,
icon: const Icon(Icons.send),
);
},
),
)
],
),
},
),
)
],
),
),
],
),
],
),
);
}
);
}
}

2
pubspec.yaml
View file

@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
# In Windows, build-name is used as the major, minor, and patch parts
# of the product and file versions while build-number is used as the build suffix.
version: 1.2.1+1
version: 1.2.2+1
environment:
sdk: '>=3.0.0'