App/lib/widgets/post/compose_shared.dart
2025-06-19 23:38:38 +08:00

309 lines
9.3 KiB
Dart

import 'package:collection/collection.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:image_picker/image_picker.dart';
import 'package:island/models/file.dart';
import 'package:island/models/post.dart';
import 'package:island/pods/config.dart';
import 'package:island/pods/network.dart';
import 'package:island/services/file.dart';
import 'package:island/widgets/alert.dart';
import 'package:pasteboard/pasteboard.dart';
class ComposeState {
final ValueNotifier<List<UniversalFile>> attachments;
final TextEditingController titleController;
final TextEditingController descriptionController;
final TextEditingController contentController;
final ValueNotifier<int> visibility;
final ValueNotifier<bool> submitting;
final ValueNotifier<Map<int, double>> attachmentProgress;
final ValueNotifier<SnPublisher?> currentPublisher;
ComposeState({
required this.attachments,
required this.titleController,
required this.descriptionController,
required this.contentController,
required this.visibility,
required this.submitting,
required this.attachmentProgress,
required this.currentPublisher,
});
}
class ComposeLogic {
static ComposeState createState({
SnPost? originalPost,
SnPost? forwardedPost,
}) {
return ComposeState(
attachments: ValueNotifier<List<UniversalFile>>(
originalPost?.attachments
.map(
(e) => UniversalFile(
data: e,
type: switch (e.mimeType?.split('/').firstOrNull) {
'image' => UniversalFileType.image,
'video' => UniversalFileType.video,
'audio' => UniversalFileType.audio,
_ => UniversalFileType.file,
},
),
)
.toList() ??
[],
),
titleController: TextEditingController(text: originalPost?.title),
descriptionController: TextEditingController(
text: originalPost?.description,
),
contentController: TextEditingController(
text:
originalPost?.content ??
(forwardedPost != null ? '> ${forwardedPost.content}\n\n' : null),
),
visibility: ValueNotifier<int>(originalPost?.visibility ?? 0),
submitting: ValueNotifier<bool>(false),
attachmentProgress: ValueNotifier<Map<int, double>>({}),
currentPublisher: ValueNotifier<SnPublisher?>(null),
);
}
static String getMimeTypeFromFileType(UniversalFileType type) {
return switch (type) {
UniversalFileType.image => 'image/unknown',
UniversalFileType.video => 'video/unknown',
UniversalFileType.audio => 'audio/unknown',
UniversalFileType.file => 'application/octet-stream',
};
}
static Future<void> pickPhotoMedia(WidgetRef ref, ComposeState state) async {
final result = await ref
.watch(imagePickerProvider)
.pickMultiImage(requestFullMetadata: true);
if (result.isEmpty) return;
state.attachments.value = [
...state.attachments.value,
...result.map(
(e) => UniversalFile(data: e, type: UniversalFileType.image),
),
];
}
static Future<void> pickVideoMedia(WidgetRef ref, ComposeState state) async {
final result = await ref
.watch(imagePickerProvider)
.pickVideo(source: ImageSource.gallery);
if (result == null) return;
state.attachments.value = [
...state.attachments.value,
UniversalFile(data: result, type: UniversalFileType.video),
];
}
static Future<void> uploadAttachment(
WidgetRef ref,
ComposeState state,
int index,
) async {
final attachment = state.attachments.value[index];
if (attachment.isOnCloud) return;
final baseUrl = ref.watch(serverUrlProvider);
final token = await getToken(ref.watch(tokenProvider));
if (token == null) throw ArgumentError('Token is null');
try {
// Update progress state
state.attachmentProgress.value = {
...state.attachmentProgress.value,
index: 0,
};
// Upload file to cloud
final cloudFile =
await putMediaToCloud(
fileData: attachment,
atk: token,
baseUrl: baseUrl,
filename: attachment.data.name ?? 'Post media',
mimetype:
attachment.data.mimeType ??
getMimeTypeFromFileType(attachment.type),
onProgress: (progress, _) {
state.attachmentProgress.value = {
...state.attachmentProgress.value,
index: progress,
};
},
).future;
if (cloudFile == null) {
throw ArgumentError('Failed to upload the file...');
}
// Update attachments list with cloud file
final clone = List.of(state.attachments.value);
clone[index] = UniversalFile(data: cloudFile, type: attachment.type);
state.attachments.value = clone;
} catch (err) {
showErrorAlert(err);
} finally {
// Clean up progress state
state.attachmentProgress.value = {...state.attachmentProgress.value}
..remove(index);
}
}
static List<UniversalFile> moveAttachment(
List<UniversalFile> attachments,
int idx,
int delta,
) {
if (idx + delta < 0 || idx + delta >= attachments.length) {
return attachments;
}
final clone = List.of(attachments);
clone.insert(idx + delta, clone.removeAt(idx));
return clone;
}
static Future<void> deleteAttachment(
WidgetRef ref,
ComposeState state,
int index,
) async {
final attachment = state.attachments.value[index];
if (attachment.isOnCloud) {
final client = ref.watch(apiClientProvider);
await client.delete('/files/${attachment.data.id}');
}
final clone = List.of(state.attachments.value);
clone.removeAt(index);
state.attachments.value = clone;
}
static Future<void> performAction(
WidgetRef ref,
ComposeState state,
BuildContext context, {
SnPost? originalPost,
SnPost? repliedPost,
SnPost? forwardedPost,
int? postType, // 0 for regular post, 1 for article
}) async {
if (state.submitting.value) return;
try {
state.submitting.value = true;
// Upload any local attachments first
await Future.wait(
state.attachments.value
.asMap()
.entries
.where((entry) => entry.value.isOnDevice)
.map((entry) => uploadAttachment(ref, state, entry.key)),
);
// Prepare API request
final client = ref.watch(apiClientProvider);
final isNewPost = originalPost == null;
final endpoint = isNewPost ? '/posts' : '/posts/${originalPost!.id}';
// Create request payload
final payload = {
'title': state.titleController.text,
'description': state.descriptionController.text,
'content': state.contentController.text,
'visibility': state.visibility.value,
'attachments':
state.attachments.value
.where((e) => e.isOnCloud)
.map((e) => e.data.id)
.toList(),
if (postType != null) 'type': postType,
if (repliedPost != null) 'replied_post_id': repliedPost.id,
if (forwardedPost != null) 'forwarded_post_id': forwardedPost.id,
};
// Send request
await client.request(
endpoint,
data: payload,
options: Options(
headers: {'X-Pub': state.currentPublisher.value?.name},
method: isNewPost ? 'POST' : 'PATCH',
),
);
if (context.mounted) {
Navigator.of(context).maybePop(true);
}
} catch (err) {
showErrorAlert(err);
} finally {
state.submitting.value = false;
}
}
static Future<void> handlePaste(ComposeState state) async {
final clipboard = await Pasteboard.image;
if (clipboard == null) return;
state.attachments.value = [
...state.attachments.value,
UniversalFile(
data: XFile.fromData(clipboard, mimeType: "image/jpeg"),
type: UniversalFileType.image,
),
];
}
static void handleKeyPress(
RawKeyEvent event,
ComposeState state,
WidgetRef ref,
BuildContext context, {
SnPost? originalPost,
SnPost? repliedPost,
SnPost? forwardedPost,
int? postType,
}) {
if (event is! RawKeyDownEvent) return;
final isPaste = event.logicalKey == LogicalKeyboardKey.keyV;
final isModifierPressed = event.isMetaPressed || event.isControlPressed;
final isSubmit = event.logicalKey == LogicalKeyboardKey.enter;
if (isPaste && isModifierPressed) {
handlePaste(state);
} else if (isSubmit && isModifierPressed && !state.submitting.value) {
performAction(
ref,
state,
context,
originalPost: originalPost,
repliedPost: repliedPost,
forwardedPost: forwardedPost,
postType: postType,
);
}
}
static void dispose(ComposeState state) {
state.titleController.dispose();
state.descriptionController.dispose();
state.contentController.dispose();
state.attachments.dispose();
state.visibility.dispose();
state.submitting.dispose();
state.attachmentProgress.dispose();
state.currentPublisher.dispose();
}
}