Solian/lib/controllers/post_editor_controller.dart
2024-07-30 20:49:01 +08:00

275 lines
7.3 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:solian/models/post.dart';
import 'package:solian/models/realm.dart';
import 'package:solian/widgets/attachments/attachment_editor.dart';
import 'package:solian/widgets/posts/editor/post_editor_overview.dart';
import 'package:solian/widgets/posts/editor/post_editor_visibility.dart';
import 'package:textfield_tags/textfield_tags.dart';
import 'package:shared_preferences/shared_preferences.dart';
class PostEditorController extends GetxController {
late final SharedPreferences _prefs;
final titleController = TextEditingController();
final descriptionController = TextEditingController();
final contentController = TextEditingController();
final tagController = StringTagController();
RxInt mode = 0.obs;
RxInt contentLength = 0.obs;
Rx<Post?> editTo = Rx(null);
Rx<Post?> replyTo = Rx(null);
Rx<Post?> repostTo = Rx(null);
Rx<Realm?> realmZone = Rx(null);
RxList<int> attachments = RxList<int>.empty(growable: true);
RxList<int> visibleUsers = RxList.empty(growable: true);
RxList<int> invisibleUsers = RxList.empty(growable: true);
RxInt visibility = 0.obs;
RxBool isDraft = false.obs;
RxBool isRestoreFromLocal = false.obs;
Rx<DateTime?> lastSaveTime = Rx(null);
Timer? _saveTimer;
PostEditorController() {
SharedPreferences.getInstance().then((inst) {
_prefs = inst;
localRead();
_saveTimer = Timer.periodic(
const Duration(seconds: 3),
(Timer t) {
if (isNotEmpty) {
localSave();
lastSaveTime.value = DateTime.now();
lastSaveTime.refresh();
} else if (_prefs.containsKey('post_editor_local_save')) {
localClear();
lastSaveTime.value = null;
}
},
);
});
contentController.addListener(() {
contentLength.value = contentController.text.length;
});
}
Future<void> editOverview(BuildContext context) {
return showDialog(
context: context,
builder: (context) => PostEditorOverviewDialog(
controller: this,
),
);
}
Future<void> editVisibility(BuildContext context) {
return showDialog(
context: context,
builder: (context) => PostEditorVisibilityDialog(
controller: this,
),
);
}
Future<void> editAttachment(BuildContext context) {
return showModalBottomSheet(
context: context,
isScrollControlled: true,
builder: (context) => AttachmentEditorPopup(
usage: 'i.attachment',
current: attachments,
onUpdate: (value) {
attachments.value = value;
attachments.refresh();
},
),
);
}
void toggleDraftMode() {
isDraft.value = !isDraft.value;
}
void localSave() {
_prefs.setString(
'post_editor_local_save',
jsonEncode({
...payload,
'reply_to': replyTo.value?.toJson(),
'repost_to': repostTo.value?.toJson(),
'edit_to': editTo.value?.toJson(),
'realm': realmZone.value?.toJson(),
'type': type,
}),
);
}
void localRead() {
if (_prefs.containsKey('post_editor_local_save')) {
isRestoreFromLocal.value = true;
payload = jsonDecode(_prefs.getString('post_editor_local_save')!);
}
}
void localClear() {
_prefs.remove('post_editor_local_save');
}
void currentClear() {
titleController.clear();
descriptionController.clear();
contentController.clear();
tagController.clearTags();
attachments.clear();
visibleUsers.clear();
invisibleUsers.clear();
visibility.value = 0;
isDraft.value = false;
isRestoreFromLocal.value = false;
lastSaveTime.value = null;
contentLength.value = 0;
editTo.value = null;
replyTo.value = null;
repostTo.value = null;
realmZone.value = null;
}
set editTarget(Post? value) {
if (value == null) {
editTo.value = null;
return;
}
type = value.type;
editTo.value = value;
isDraft.value = value.isDraft ?? false;
titleController.text = value.body['title'] ?? '';
descriptionController.text = value.body['description'] ?? '';
contentController.text = value.body['content'] ?? '';
attachments.value = value.body['attachments']?.cast<int>() ?? List.empty();
attachments.refresh();
contentLength.value = contentController.text.length;
}
String get typeEndpoint {
switch (mode.value) {
case 0:
return 'stories';
case 1:
return 'articles';
default:
return 'stories';
}
}
String get type {
switch (mode.value) {
case 0:
return 'story';
case 1:
return 'article';
default:
return 'story';
}
}
set type(String value) {
switch (value) {
case 'story':
mode.value = 0;
case 'article':
mode.value = 1;
}
}
String? get title {
if (titleController.text.isEmpty) return null;
return titleController.text;
}
String? get description {
if (descriptionController.text.isEmpty) return null;
return descriptionController.text;
}
Map<String, dynamic> get payload {
return {
'title': title,
'description': description,
'content': contentController.text,
'tags': tagController.getTags?.map((x) => {'alias': x}).toList() ??
List.empty(),
'attachments': attachments,
'visible_users': visibleUsers,
'invisible_users': invisibleUsers,
'visibility': visibility.value,
'is_draft': isDraft.value,
if (replyTo.value != null) 'reply_to': replyTo.value!.id,
if (repostTo.value != null) 'repost_to': repostTo.value!.id,
if (realmZone.value != null) 'realm': realmZone.value!.alias,
};
}
set payload(Map<String, dynamic> value) {
type = value['type'];
titleController.text = value['title'] ?? '';
descriptionController.text = value['description'] ?? '';
contentController.text = value['content'] ?? '';
attachments.value = value['attachments'].cast<int>() ?? List.empty();
attachments.refresh();
visibility.value = value['visibility'];
isDraft.value = value['is_draft'];
if (value['visible_users'] != null) {
visibleUsers.value = value['visible_users'].cast<int>();
}
if (value['invisible_users'] != null) {
invisibleUsers.value = value['invisible_users'].cast<int>();
}
if (value['reply_to'] != null) {
replyTo.value = Post.fromJson(value['reply_to']);
}
if (value['repost_to'] != null) {
repostTo.value = Post.fromJson(value['repost_to']);
}
if (value['edit_to'] != null) {
editTo.value = Post.fromJson(value['edit_to']);
}
if (value['realm'] != null) {
realmZone.value = Realm.fromJson(value['realm']);
}
}
bool get isEmpty {
if (contentController.text.isEmpty) return true;
return false;
}
bool get isNotEmpty {
return [
titleController.text.isNotEmpty,
descriptionController.text.isNotEmpty,
contentController.text.isNotEmpty,
attachments.isNotEmpty,
tagController.getTags?.isNotEmpty ?? false,
].any((x) => x);
}
@override
void dispose() {
_saveTimer?.cancel();
contentController.dispose();
tagController.dispose();
super.dispose();
}
}