♻️ Refactored using controller as post editing
This commit is contained in:
354
lib/controllers/post_write_controller.dart
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354
lib/controllers/post_write_controller.dart
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@ -0,0 +1,354 @@
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import 'dart:io';
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import 'package:dio/dio.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:provider/provider.dart';
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import 'package:surface/providers/sn_attachment.dart';
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import 'package:surface/providers/sn_network.dart';
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import 'package:surface/types/attachment.dart';
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import 'package:surface/types/post.dart';
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import 'package:surface/widgets/dialog.dart';
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import 'package:surface/widgets/universal_image.dart';
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enum PostWriteMediaType {
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image,
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video,
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audio,
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file,
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}
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class PostWriteMedia {
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late String name;
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late PostWriteMediaType type;
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final SnAttachment? attachment;
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final XFile? file;
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final Uint8List? raw;
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PostWriteMedia(this.attachment, {this.file, this.raw}) {
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name = attachment!.name;
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switch (attachment?.mimetype.split('/').firstOrNull) {
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case 'image':
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type = PostWriteMediaType.image;
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break;
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case 'video':
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type = PostWriteMediaType.video;
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break;
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case 'audio':
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type = PostWriteMediaType.audio;
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break;
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default:
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type = PostWriteMediaType.file;
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}
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}
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PostWriteMedia.fromFile(this.file, {this.attachment, this.raw}) {
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name = file!.name;
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switch (file?.mimeType?.split('/').firstOrNull) {
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case 'image':
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type = PostWriteMediaType.image;
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break;
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case 'video':
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type = PostWriteMediaType.video;
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break;
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case 'audio':
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type = PostWriteMediaType.audio;
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break;
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default:
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type = PostWriteMediaType.file;
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}
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}
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PostWriteMedia.fromBytes(this.raw, this.name, this.type,
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{this.attachment, this.file});
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bool get isEmpty => attachment == null && file == null && raw == null;
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Future<int?> length() async {
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if (attachment != null) {
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return attachment!.size;
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} else if (file != null) {
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return await file!.length();
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} else if (raw != null) {
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return raw!.length;
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}
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return null;
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}
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XFile? toFile() {
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if (file != null) {
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return file!;
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} else if (raw != null) {
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return XFile.fromData(raw!, name: name);
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}
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return null;
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}
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ImageProvider? getImageProvider(
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BuildContext context, {
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int? width,
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int? height,
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}) {
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if (attachment != null) {
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final sn = context.read<SnNetworkProvider>();
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return UniversalImage.provider(sn.getAttachmentUrl(attachment!.rid));
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} else if (file != null) {
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final ImageProvider provider =
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kIsWeb ? NetworkImage(file!.path) : FileImage(File(file!.path));
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if (width != null && height != null) {
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return ResizeImage(
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provider,
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width: width,
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height: height,
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policy: ResizeImagePolicy.fit,
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);
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}
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return provider;
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} else if (raw != null) {
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final provider = MemoryImage(raw!);
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if (width != null && height != null) {
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return ResizeImage(
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provider,
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width: width,
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height: height,
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policy: ResizeImagePolicy.fit,
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);
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}
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return provider;
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}
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return null;
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}
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}
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class PostWriteController extends ChangeNotifier {
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static const Map<String, String> kTitleMap = {
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'stories': 'writePostTypeStory',
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'articles': 'writePostTypeArticle',
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};
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static const kAttachmentProgressWeight = 0.9;
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static const kPostingProgressWeight = 0.1;
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final TextEditingController contentController = TextEditingController();
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final TextEditingController titleController = TextEditingController();
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final TextEditingController descriptionController = TextEditingController();
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PostWriteController() {
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titleController.addListener(() => notifyListeners());
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descriptionController.addListener(() => notifyListeners());
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}
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String mode = kTitleMap.keys.first;
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String get title => titleController.text;
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String get description => descriptionController.text;
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bool get isRelatedNull =>
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![editingPost, repostingPost, replyingPost].any((ele) => ele != null);
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bool isLoading = false, isBusy = false;
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double? progress;
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SnPublisher? publisher;
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SnPost? editingPost, repostingPost, replyingPost;
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List<PostWriteMedia> attachments = List.empty(growable: true);
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DateTime? publishedAt, publishedUntil;
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Future<void> fetchRelatedPost(
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BuildContext context, {
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int? editing,
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int? reposting,
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int? replying,
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}) async {
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final sn = context.read<SnNetworkProvider>();
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final attach = context.read<SnAttachmentProvider>();
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isLoading = true;
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notifyListeners();
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try {
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if (editing != null) {
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final resp = await sn.client.get('/cgi/co/posts/$editing');
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final post = SnPost.fromJson(resp.data);
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final alts = await attach
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.getMultiple(post.body['attachments']?.cast<String>() ?? []);
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publisher = post.publisher;
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titleController.text = post.body['title'] ?? '';
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descriptionController.text = post.body['description'] ?? '';
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contentController.text = post.body['content'] ?? '';
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publishedAt = post.publishedAt;
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publishedUntil = post.publishedUntil;
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attachments.addAll(alts.map((ele) => PostWriteMedia(ele)));
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editingPost = post.copyWith(
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preload: SnPostPreload(
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attachments: alts,
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),
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);
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}
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if (replying != null) {
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final resp = await sn.client.get('/cgi/co/posts/$replying');
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final post = SnPost.fromJson(resp.data);
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replyingPost = post.copyWith(
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preload: SnPostPreload(
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attachments: await attach
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.getMultiple(post.body['attachments']?.cast<String>() ?? []),
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),
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);
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}
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if (reposting != null) {
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final resp = await sn.client.get('/cgi/co/posts/$reposting');
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final post = SnPost.fromJson(resp.data);
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repostingPost = post.copyWith(
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preload: SnPostPreload(
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attachments: await attach
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.getMultiple(post.body['attachments']?.cast<String>() ?? []),
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),
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);
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}
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} catch (err) {
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if (!context.mounted) return;
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context.showErrorDialog(err);
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} finally {
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isLoading = false;
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notifyListeners();
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}
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}
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void post(BuildContext context) async {
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if (isBusy || publisher == null) return;
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final sn = context.read<SnNetworkProvider>();
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final attach = context.read<SnAttachmentProvider>();
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progress = 0;
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isBusy = true;
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notifyListeners();
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// Uploading attachments
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try {
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for (int i = 0; i < attachments.length; i++) {
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final media = attachments[i];
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if (media.attachment != null) continue; // Already uploaded, skip
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if (media.isEmpty) continue; // Nothing to do, skip
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final place = await attach.chunkedUploadInitialize(
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(await media.length())!,
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media.name,
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'interactive',
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null,
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);
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final item = await attach.chunkedUploadParts(
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media.toFile()!,
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place.$1,
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place.$2,
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onProgress: (progress) {
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// Calculate overall progress for attachments
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progress = ((i + progress) / attachments.length) *
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kAttachmentProgressWeight;
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notifyListeners();
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},
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);
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attachments[i] = PostWriteMedia(item);
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}
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} catch (err) {
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isBusy = false;
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notifyListeners();
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if (!context.mounted) return;
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context.showErrorDialog(err);
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return;
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}
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progress = kAttachmentProgressWeight;
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notifyListeners();
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// Posting the content
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try {
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final baseProgressVal = progress!;
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await sn.client.request(
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[
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'/cgi/co/$mode',
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if (editingPost != null) '${editingPost!.id}',
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].join('/'),
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data: {
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'publisher': publisher!.id,
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'content': contentController.text,
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'title': titleController.text,
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'description': descriptionController.text,
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'attachments': attachments
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.where((e) => e.attachment != null)
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.map((e) => e.attachment!.rid)
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.toList(),
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if (publishedAt != null)
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'published_at': publishedAt!.toUtc().toIso8601String(),
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if (publishedUntil != null)
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'published_until': publishedAt!.toUtc().toIso8601String(),
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if (replyingPost != null) 'reply_to': replyingPost!.id,
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if (repostingPost != null) 'repost_to': repostingPost!.id,
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},
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onSendProgress: (count, total) {
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progress =
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baseProgressVal + (count / total) * (kPostingProgressWeight / 2);
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notifyListeners();
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},
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onReceiveProgress: (count, total) {
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progress = baseProgressVal +
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(kPostingProgressWeight / 2) +
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(count / total) * (kPostingProgressWeight / 2);
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notifyListeners();
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},
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options: Options(
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method: editingPost != null ? 'PUT' : 'POST',
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),
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);
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if (!context.mounted) return;
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Navigator.pop(context, true);
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} catch (err) {
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if (!context.mounted) return;
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context.showErrorDialog(err);
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} finally {
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isBusy = false;
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notifyListeners();
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}
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}
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void addAttachments(Iterable<PostWriteMedia> items) {
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attachments.addAll(items);
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notifyListeners();
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}
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void removeAttachmentAt(int idx) {
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attachments.removeAt(idx);
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notifyListeners();
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}
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void setPublisher(SnPublisher? item) {
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publisher = item;
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notifyListeners();
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}
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void setPublishedAt(DateTime? value) {
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publishedAt = value;
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notifyListeners();
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}
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void setPublishedUntil(DateTime? value) {
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publishedUntil = value;
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notifyListeners();
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}
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@override
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void dispose() {
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contentController.dispose();
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titleController.dispose();
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descriptionController.dispose();
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super.dispose();
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}
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}
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