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mirror of https://gitlab.com/comunic/comunicmobile synced 2024-12-28 13:58:51 +00:00
comunicmobile/lib/ui/tiles/post_tile.dart

547 lines
15 KiB
Dart

import 'dart:io';
import 'package:comunic/enums/likes_type.dart';
import 'package:comunic/enums/post_kind.dart';
import 'package:comunic/enums/post_visibility_level.dart';
import 'package:comunic/helpers/comments_helper.dart';
import 'package:comunic/helpers/likes_helper.dart';
import 'package:comunic/helpers/posts_helper.dart';
import 'package:comunic/lists/groups_list.dart';
import 'package:comunic/lists/users_list.dart';
import 'package:comunic/models/comment.dart';
import 'package:comunic/models/like_element.dart';
import 'package:comunic/models/new_comment.dart';
import 'package:comunic/models/post.dart';
import 'package:comunic/models/user.dart';
import 'package:comunic/ui/tiles/comment_tile.dart';
import 'package:comunic/ui/widgets/account_image_widget.dart';
import 'package:comunic/ui/widgets/network_image_widget.dart';
import 'package:comunic/utils/date_utils.dart';
import 'package:comunic/utils/files_utils.dart';
import 'package:comunic/utils/intl_utils.dart';
import 'package:comunic/utils/navigation_utils.dart';
import 'package:comunic/utils/post_utils.dart';
import 'package:comunic/utils/ui_utils.dart';
import 'package:flutter/material.dart';
/// Single posts tile
///
/// @author Pierre HUBERT
/// User style
const TextStyle _userNameStyle = TextStyle(
color: Color.fromRGBO(0x72, 0xaf, 0xd2, 1.0), //#72afd2
fontWeight: FontWeight.w600,
fontSize: 16.0);
/// Post actions
enum _PostActions { DELETE, UPDATE_CONTENT }
class PostTile extends StatefulWidget {
final Post post;
final UsersList usersInfo;
final GroupsList groupsInfo;
final void Function(Post) onDeletedPost;
final bool showPostTarget;
final bool userNamesClickable;
const PostTile({
Key key,
@required this.post,
@required this.usersInfo,
@required this.onDeletedPost,
@required this.showPostTarget,
@required this.groupsInfo,
@required this.userNamesClickable,
}) : assert(post != null),
assert(usersInfo != null),
assert(onDeletedPost != null),
assert(showPostTarget != null),
assert(groupsInfo != null),
assert(userNamesClickable != null),
super(key: key);
@override
State<StatefulWidget> createState() => _PostTileState();
}
class _PostTileState extends State<PostTile> {
// Helpers
final _postsHelper = PostsHelper();
final _likesHelper = LikesHelper();
final _commentsHelper = CommentsHelper();
// Class members
TextEditingController _commentController = TextEditingController();
File _commentImage;
bool _submitting = false;
User get _user => widget.usersInfo.getUser(widget.post.userID);
bool get _commentValid => _commentController.text.toString().length > 3;
bool get _hasImage => _commentImage != null;
bool get _canSubmitComment => !_submitting && (_commentValid || _hasImage);
set _sendingComment(bool sending) => setState(() => _submitting = sending);
String _getPostTarget() {
if (!widget.showPostTarget ||
(!widget.post.isGroupPost &&
widget.post.userID == widget.post.userPageID)) return "";
return " > " +
(widget.post.isGroupPost
? widget.groupsInfo[widget.post.groupID].displayName
: widget.usersInfo.getUser(widget.post.userPageID).displayName);
}
Widget _buildHeaderRow() {
// Header row
return Row(
children: <Widget>[
// User account image
Padding(
padding: const EdgeInsets.only(right: 8.0, left: 8.0),
child: InkWell(
child: AccountImageWidget(user: _user),
onTap: widget.userNamesClickable
? () => openUserPage(
userID: _user.id,
context: context,
)
: null,
),
),
// Column with user name + post target
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Text(
_user.displayName + _getPostTarget(),
style: _userNameStyle,
),
Text(diffTimeFromNowToStr(widget.post.timeSent)),
],
),
),
InkWell(
child: Icon(
PostVisibilityLevelsMapIcons[widget.post.visibilityLevel],
color: Colors.grey,
),
onTap: widget.post.canUpdate ? updatePostVisibilityLevel : null,
),
PopupMenuButton<_PostActions>(
itemBuilder: (c) => [
// Update post content
PopupMenuItem(
child: Text(tr("Update content")),
value: _PostActions.UPDATE_CONTENT,
enabled: widget.post.canUpdate,
),
// Delete post
PopupMenuItem(
child: Text(tr("Delete")),
value: _PostActions.DELETE,
enabled: widget.post.canDelete,
),
],
onSelected: _selectedPostMenuAction,
)
],
);
}
Widget _buildContentRow() {
Widget postContent;
switch (widget.post.kind) {
case PostKind.IMAGE:
postContent = _buildPostImage();
break;
default:
}
return Column(
children: <Widget>[
// Post "rich" content
Container(child: postContent),
// Post text
Container(
child: widget.post.hasContent ? Text(widget.post.content) : null),
],
);
}
Widget _buildButtonsArea() {
return Padding(
padding:
const EdgeInsets.only(top: 16.0, left: 8.0, right: 8.0, bottom: 16.0),
child: Column(
children: <Widget>[
// Like button
Center(
child: InkWell(
onTap: () => _updatePostLike(),
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.only(left: 8.0, right: 8.0),
child: Icon(
Icons.thumb_up,
color: widget.post.userLike ? Colors.blue : null,
),
),
Text(widget.post.likes < 2
? tr("%num% like",
args: {"num": widget.post.likes.toString()})
: tr("%num% likes",
args: {"num": widget.post.likes.toString()}))
],
),
),
),
],
),
);
}
@override
Widget build(BuildContext context) {
return Card(
elevation: 1.0,
child: Column(
children: <Widget>[
Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: <Widget>[
_buildHeaderRow(),
_buildContentRow(),
_buildButtonsArea(),
],
),
),
Container(
child: widget.post.hasComments ? _buildComments() : null,
),
],
),
);
}
Widget _buildPostImage() {
return NetworkImageWidget(
url: widget.post.fileURL,
allowFullScreen: true,
roundedEdges: false,
loadingHeight: 150,
);
}
/// Build the list of comments
Widget _buildComments() {
assert(widget.post.hasComments);
final comments = List<Widget>.generate(
widget.post.comments.length,
(num) => CommentTile(
comment: widget.post.comments[num],
user: widget.usersInfo.getUser(widget.post.comments[num].userID),
onUpdateLike: _updateCommentLike,
onUpdateComment: _updateCommentContent,
onDeleteComment: _deleteComment,
),
);
// Add comments form
comments.add(_buildCommentsForm());
return Container(
color: Colors.grey[300],
child: Padding(
padding: const EdgeInsets.only(top: 8.0, bottom: 8.0),
child: Column(
children: comments,
),
),
);
}
/// Build comments form
Widget _buildCommentsForm() {
return Padding(
padding: EdgeInsets.only(
left: 8.0,
right: 8.0,
top: (widget.post.comments.length > 0 ? 8.0 : 0)),
child: Row(
children: <Widget>[
// Comment input
Expanded(
child: TextField(
// Comment max size
maxLength: 255,
maxLines: null,
buildCounter: smartInputCounterWidgetBuilder,
controller: _commentController,
onChanged: (s) => setState(() {}),
onSubmitted: _canSubmitComment ? (s) => _submitComment() : null,
decoration: InputDecoration(
hintText: tr("New comment..."),
hintStyle: TextStyle(color: Colors.grey, fontSize: 12),
fillColor: Colors.white,
filled: true,
border: OutlineInputBorder(
borderSide: BorderSide(width: 0.5, color: Colors.grey),
borderRadius: BorderRadius.only(
topLeft: Radius.circular(3),
bottomLeft: Radius.circular(3),
),
gapPadding: 1),
contentPadding: EdgeInsets.only(
left: 10,
right: 10,
bottom: 5,
top: 5,
),
),
),
),
// Image button
Container(
width: 30,
child: FlatButton(
padding: EdgeInsets.only(),
onPressed: _pickImageForComment,
child: Icon(
Icons.image,
color: _hasImage ? Colors.blue : Colors.grey,
),
),
),
// Submit button
Container(
width: 40,
child: FlatButton(
padding: EdgeInsets.only(),
onPressed: _canSubmitComment ? () => _submitComment() : null,
child: Icon(
Icons.send,
color: _canSubmitComment ? Colors.blue : Colors.grey,
),
),
),
],
),
);
}
/// Clear comments submitting form
void clearCommentForm() {
setState(() {
_commentController.text = "";
_commentImage = null;
});
}
/// Pick an image
Future<void> _pickImageForComment() async {
// Ask the user to confirm image removal if there is already one selected
if (_hasImage) {
if (await showConfirmDialog(
context: context,
title: tr("Remove selected image"),
message: tr("Do you want to unselected currently selected image ?"),
)) {
setState(() {
_commentImage = null;
});
}
return;
}
// Pick a new image
final newImage = await pickImage(context);
setState(() {
_commentImage = newImage;
});
}
/// Submit comment entered by the user
Future<void> _submitComment() async {
_sendingComment = true;
final commentID = await _commentsHelper.createComment(NewComment(
postID: widget.post.id,
content: _commentController.text,
image: _commentImage,
));
_sendingComment = false;
if (commentID < 1)
return showSimpleSnack(context, tr("Could not create comment!"));
clearCommentForm();
// Get and show new comment
final newComment = await _commentsHelper.getSingle(commentID);
if (newComment == null)
return showSimpleSnack(
context, tr("Could not retrieve created comment!"));
setState(() {
widget.post.comments.add(newComment);
});
}
/// Update like status
Future<void> _updatePostLike() async {
_updateElementLike(LikesType.POST, widget.post);
}
/// Invert comment like status
Future<void> _updateCommentLike(Comment comment) async {
_updateElementLike(LikesType.COMMENT, comment);
}
/// Invert element like status
Future<void> _updateElementLike(LikesType type, LikeElement element) async {
// Update liking status
_likesHelper.setLiking(
type: type,
like: !element.userLike,
id: element.id,
);
// Save new like status
setState(() {
element.userLike = !element.userLike;
element.userLike ? element.likes++ : element.likes--;
});
}
/// Update comment content
Future<void> _updateCommentContent(Comment comment) async {
final newContent = await askUserString(
context: context,
title: tr("Update comment content"),
message: tr("New content:"),
defaultValue: comment.content,
hint: tr("New content..."),
);
if (!(await _commentsHelper.updateContent(comment.id, newContent)))
return showSimpleSnack(context, tr("Could not update comment content!"));
setState(() {
comment.content = newContent;
});
}
/// Process the deletion of a user
Future<void> _deleteComment(Comment comment) async {
if (!await showConfirmDialog(
context: context,
message: tr("Do you really want to delete this comment ?"),
title: tr("Delete comment"))) return;
if (!await _commentsHelper.delete(comment.id)) {
showSimpleSnack(context, tr("Could not delete the comment!"));
return;
}
// Remove the comment from the list
setState(() {
widget.post.comments.remove(comment);
});
}
/// Method called each time the user has selected an option
void _selectedPostMenuAction(_PostActions value) {
switch (value) {
// Update post content
case _PostActions.UPDATE_CONTENT:
updateContent();
break;
// Delete post
case _PostActions.DELETE:
confirmDelete();
break;
}
}
/// Update post visibility level
Future<void> updatePostVisibilityLevel() async {
final newLevel = await showPostVisibilityPicker(
context: context,
initialLevel: widget.post.visibilityLevel,
isGroup: widget.post.isGroupPost,
);
if (newLevel == null || newLevel == widget.post.visibilityLevel) return;
// Update post visibility
if (!await _postsHelper.setVisibility(widget.post.id, newLevel)) {
showSimpleSnack(context, tr("Could not update post visibility!"));
return;
}
setState(() => widget.post.visibilityLevel = newLevel);
}
/// Update post content
Future<void> updateContent() async {
final newContent = await askUserString(
context: context,
title: tr("Update post content"),
message: tr("Please enter message content: "),
defaultValue: widget.post.content,
hint: tr("Post content"),
);
if (newContent == null) return;
if (!await _postsHelper.updateContent(widget.post.id, newContent)) {
showSimpleSnack(context, tr("Could not update post content!"));
return;
}
setState(() => widget.post.content = newContent);
}
/// Perform the deletion of the post
Future<void> confirmDelete() async {
// Ask user confirmation
if (!await showConfirmDialog(
context: context,
message: tr(
"Do you really want to delete this post ? The operation can not be reverted !"),
)) return;
if (!await _postsHelper.delete(widget.post.id)) {
showSimpleSnack(context, tr("Could not delete the post!"));
return;
}
widget.onDeletedPost(widget.post);
}
}