♻️ Refactor post
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202
lib/widgets/post/compose_attachments.dart
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202
lib/widgets/post/compose_attachments.dart
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import 'package:flutter/material.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:island/models/file.dart';
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import 'package:island/services/responsive.dart';
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import 'package:island/widgets/attachment_uploader.dart';
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import 'package:island/widgets/content/attachment_preview.dart';
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import 'package:island/widgets/post/compose_shared.dart';
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/// A reusable widget for displaying attachments in compose screens.
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/// Supports both grid and list layouts based on screen width.
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class ComposeAttachments extends ConsumerWidget {
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final ComposeState state;
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final bool isCompact;
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const ComposeAttachments({
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super.key,
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required this.state,
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this.isCompact = false,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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if (state.attachments.value.isEmpty) {
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return const SizedBox.shrink();
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}
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return LayoutBuilder(
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builder: (context, constraints) {
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final isWide = isWideScreen(context);
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return isWide ? _buildWideGrid(ref) : _buildNarrowList(ref);
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},
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);
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}
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Widget _buildWideGrid(WidgetRef ref) {
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return GridView.builder(
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shrinkWrap: true,
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padding: EdgeInsets.zero,
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physics: const NeverScrollableScrollPhysics(),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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crossAxisSpacing: 8,
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mainAxisSpacing: 8,
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),
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itemCount: state.attachments.value.length,
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itemBuilder: (context, idx) {
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return _buildAttachmentItem(ref, idx, isCompact: true);
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},
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);
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}
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Widget _buildNarrowList(WidgetRef ref) {
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return Column(
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children: [
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for (var idx = 0; idx < state.attachments.value.length; idx++)
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Container(
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margin: const EdgeInsets.only(bottom: 8),
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child: _buildAttachmentItem(ref, idx, isCompact: false),
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),
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],
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);
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}
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Widget _buildAttachmentItem(
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WidgetRef ref,
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int idx, {
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required bool isCompact,
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}) {
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final progressMap = state.attachmentProgress.value;
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return AttachmentPreview(
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isCompact: isCompact,
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item: state.attachments.value[idx],
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progress: progressMap[idx],
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onRequestUpload: () async {
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final config = await showModalBottomSheet<AttachmentUploadConfig>(
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context: ref.context,
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isScrollControlled: true,
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useRootNavigator: true,
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builder:
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(context) =>
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AttachmentUploaderSheet(ref: ref, state: state, index: idx),
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);
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if (config != null) {
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await ComposeLogic.uploadAttachment(
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ref,
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state,
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idx,
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poolId: config.poolId,
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);
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}
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},
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onDelete: () => ComposeLogic.deleteAttachment(ref, state, idx),
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onUpdate: (value) => ComposeLogic.updateAttachment(state, value, idx),
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onMove: (delta) {
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state.attachments.value = ComposeLogic.moveAttachment(
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state.attachments.value,
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idx,
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delta,
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);
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},
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);
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}
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}
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/// A specialized attachment widget for article compose with expansion tile.
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class ArticleComposeAttachments extends ConsumerWidget {
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final ComposeState state;
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const ArticleComposeAttachments({super.key, required this.state});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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return ValueListenableBuilder<List<UniversalFile>>(
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valueListenable: state.attachments,
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builder: (context, attachments, _) {
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if (attachments.isEmpty) return const SizedBox.shrink();
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return Theme(
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data: Theme.of(context).copyWith(dividerColor: Colors.transparent),
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child: ExpansionTile(
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initiallyExpanded: true,
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title: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('attachments'),
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Text(
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'articleAttachmentHint',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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],
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),
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children: [
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ValueListenableBuilder<Map<int, double>>(
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valueListenable: state.attachmentProgress,
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builder: (context, progressMap, _) {
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return Wrap(
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runSpacing: 8,
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spacing: 8,
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children: [
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for (var idx = 0; idx < attachments.length; idx++)
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SizedBox(
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width: 180,
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height: 180,
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child: AttachmentPreview(
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isCompact: true,
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item: attachments[idx],
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progress: progressMap[idx],
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onRequestUpload: () async {
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final config = await showModalBottomSheet<
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AttachmentUploadConfig
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>(
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context: context,
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isScrollControlled: true,
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builder:
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(context) => AttachmentUploaderSheet(
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ref: ref,
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state: state,
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index: idx,
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),
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);
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if (config != null) {
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await ComposeLogic.uploadAttachment(
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ref,
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state,
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idx,
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poolId: config.poolId,
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);
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}
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},
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onUpdate:
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(value) => ComposeLogic.updateAttachment(
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state,
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value,
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idx,
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),
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onDelete:
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() => ComposeLogic.deleteAttachment(
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ref,
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state,
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idx,
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),
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onInsert:
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() => ComposeLogic.insertAttachment(
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ref,
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state,
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idx,
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),
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),
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),
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],
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);
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},
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),
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const SizedBox(height: 16),
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],
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),
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);
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},
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);
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}
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}
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