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mattermost/web/react/components/post_list.jsx

686 lines
25 KiB
JavaScript

// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
var PostStore = require('../stores/post_store.jsx');
var ChannelStore = require('../stores/channel_store.jsx');
var UserStore = require('../stores/user_store.jsx');
var UserProfile = require('./user_profile.jsx');
var AsyncClient = require('../utils/async_client.jsx');
var Post = require('./post.jsx');
var LoadingScreen = require('./loading_screen.jsx');
var SocketStore = require('../stores/socket_store.jsx');
var utils = require('../utils/utils.jsx');
var Client = require('../utils/client.jsx');
var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
var Constants = require('../utils/constants.jsx');
var ActionTypes = Constants.ActionTypes;
export default class PostList extends React.Component {
constructor(props) {
super(props);
this.gotMorePosts = false;
this.scrolled = false;
this.prevScrollTop = 0;
this.seenNewMessages = false;
this.isUserScroll = true;
this.userHasSeenNew = false;
this.loadInProgress = false;
this.onChange = this.onChange.bind(this);
this.onTimeChange = this.onTimeChange.bind(this);
this.onSocketChange = this.onSocketChange.bind(this);
this.createChannelIntroMessage = this.createChannelIntroMessage.bind(this);
this.loadMorePosts = this.loadMorePosts.bind(this);
this.loadFirstPosts = this.loadFirstPosts.bind(this);
this.activate = this.activate.bind(this);
this.deactivate = this.deactivate.bind(this);
this.resize = this.resize.bind(this);
this.state = this.getStateFromStores(props.channelId);
this.state.numToDisplay = Constants.POST_CHUNK_SIZE;
this.state.isFirstLoadComplete = false;
}
getStateFromStores(id) {
var postList = PostStore.getPosts(id);
if (postList != null) {
var deletedPosts = PostStore.getUnseenDeletedPosts(id);
if (deletedPosts && Object.keys(deletedPosts).length > 0) {
for (var pid in deletedPosts) {
if (deletedPosts.hasOwnProperty(pid)) {
postList.posts[pid] = deletedPosts[pid];
postList.order.unshift(pid);
}
}
postList.order.sort(function postSort(a, b) {
if (postList.posts[a].create_at > postList.posts[b].create_at) {
return -1;
}
if (postList.posts[a].create_at < postList.posts[b].create_at) {
return 1;
}
return 0;
});
}
var pendingPostList = PostStore.getPendingPosts(id);
if (pendingPostList) {
postList.order = pendingPostList.order.concat(postList.order);
for (var ppid in pendingPostList.posts) {
if (pendingPostList.posts.hasOwnProperty(ppid)) {
postList.posts[ppid] = pendingPostList.posts[ppid];
}
}
}
}
return {
postList: postList
};
}
componentDidMount() {
window.onload = () => this.scrollToBottom();
if (this.props.isActive) {
this.activate();
this.loadFirstPosts(this.props.channelId);
}
}
componentWillUnmount() {
this.deactivate();
}
activate() {
this.gotMorePosts = false;
this.scrolled = false;
this.prevScrollTop = 0;
this.seenNewMessages = false;
this.isUserScroll = true;
this.userHasSeenNew = false;
PostStore.clearUnseenDeletedPosts(this.props.channelId);
PostStore.addChangeListener(this.onChange);
UserStore.addStatusesChangeListener(this.onTimeChange);
SocketStore.addChangeListener(this.onSocketChange);
var postHolder = $(React.findDOMNode(this.refs.postlist));
$(window).on('resize.' + this.props.channelId, function resize() {
this.resize();
if (!this.scrolled) {
this.scrollToBottom();
}
}.bind(this));
postHolder.on('scroll', function scroll() {
var position = postHolder.scrollTop() + postHolder.height() + 14;
var bottom = postHolder[0].scrollHeight;
if (position >= bottom) {
this.scrolled = false;
} else {
this.scrolled = true;
}
if (this.isUserScroll) {
this.userHasSeenNew = true;
}
this.isUserScroll = true;
}.bind(this));
$('.post-list__content div .post').removeClass('post--last');
$('.post-list__content div:last-child .post').addClass('post--last');
if (!this.state.isFirstLoadComplete) {
this.loadFirstPosts(this.props.channelId);
}
this.resize();
this.onChange();
this.scrollToBottom();
}
deactivate() {
PostStore.removeChangeListener(this.onChange);
UserStore.removeStatusesChangeListener(this.onTimeChange);
SocketStore.removeChangeListener(this.onSocketChange);
$('body').off('click.userpopover');
$(window).off('resize.' + this.props.channelId);
var postHolder = $(React.findDOMNode(this.refs.postlist));
postHolder.off('scroll');
}
componentDidUpdate(prevProps, prevState) {
if (!this.props.isActive) {
return;
}
$('.post-list__content div .post').removeClass('post--last');
$('.post-list__content div:last-child .post').addClass('post--last');
if (this.state.postList == null || prevState.postList == null) {
this.scrollToBottom();
return;
}
var order = this.state.postList.order || [];
var posts = this.state.postList.posts || {};
var oldOrder = prevState.postList.order || [];
var oldPosts = prevState.postList.posts || {};
var userId = UserStore.getCurrentId();
var firstPost = posts[order[0]] || {};
var isNewPost = oldOrder.indexOf(order[0]) === -1;
if (this.props.isActive && !prevProps.isActive) {
this.scrollToBottom();
} else if (oldOrder.length === 0) {
this.scrollToBottom();
// the user is scrolled to the bottom
} else if (!this.scrolled) {
this.scrollToBottom();
// there's a new post and
// it's by the user and not a comment
} else if (isNewPost &&
userId === firstPost.user_id &&
!utils.isComment(firstPost)) {
this.scrollToBottom(true);
// the user clicked 'load more messages'
} else if (this.gotMorePosts && oldOrder.length > 0) {
let index;
if (prevState.numToDisplay >= oldOrder.length) {
index = oldOrder.length - 1;
} else {
index = prevState.numToDisplay;
}
const lastPost = oldPosts[oldOrder[index]];
$('#post_' + lastPost.id)[0].scrollIntoView();
this.gotMorePosts = false;
} else {
this.scrollTo(this.prevScrollTop);
}
}
componentWillUpdate() {
var postHolder = $(React.findDOMNode(this.refs.postlist));
this.prevScrollTop = postHolder.scrollTop();
}
componentWillReceiveProps(nextProps) {
if (nextProps.isActive === true && this.props.isActive === false) {
this.activate();
} else if (nextProps.isActive === false && this.props.isActive === true) {
this.deactivate();
}
}
resize() {
const postHolder = $(React.findDOMNode(this.refs.postlist));
if ($('#create_post').length > 0) {
const height = $(window).height() - $('#create_post').height() - $('#error_bar').outerHeight() - 50;
postHolder.css('height', height + 'px');
}
}
scrollTo(val) {
this.isUserScroll = false;
var postHolder = $(React.findDOMNode(this.refs.postlist));
postHolder[0].scrollTop = val;
}
scrollToBottom(force) {
this.isUserScroll = false;
var postHolder = $(React.findDOMNode(this.refs.postlist));
if ($('#new_message_' + this.props.channelId)[0] && !this.userHasSeenNew && !force) {
$('#new_message_' + this.props.channelId)[0].scrollIntoView();
} else {
postHolder.addClass('hide-scroll');
postHolder[0].scrollTop = postHolder[0].scrollHeight;
postHolder.removeClass('hide-scroll');
}
}
loadFirstPosts(id) {
if (this.loadInProgress) {
return;
}
if (this.props.channelId == null) {
return;
}
this.loadInProgress = true;
Client.getPosts(
id,
PostStore.getLatestUpdate(id),
function success() {
this.loadInProgress = false;
this.setState({isFirstLoadComplete: true});
}.bind(this),
function fail() {
this.loadInProgress = false;
this.setState({isFirstLoadComplete: true});
}.bind(this)
);
}
onChange() {
var newState = this.getStateFromStores(this.props.channelId);
if (!utils.areStatesEqual(newState.postList, this.state.postList)) {
this.setState(newState);
}
}
onSocketChange(msg) {
var post;
if (msg.action === 'posted' || msg.action === 'post_edited') {
post = JSON.parse(msg.props.post);
PostStore.storePost(post);
} else if (msg.action === 'post_deleted') {
var activeRoot = $(document.activeElement).closest('.comment-create-body')[0];
var activeRootPostId = '';
if (activeRoot && activeRoot.id.length > 0) {
activeRootPostId = activeRoot.id;
}
post = JSON.parse(msg.props.post);
PostStore.storeUnseenDeletedPost(post);
PostStore.removePost(post, true);
PostStore.emitChange();
if (activeRootPostId === msg.props.post_id && UserStore.getCurrentId() !== msg.user_id) {
$('#post_deleted').modal('show');
}
} else if (msg.action === 'new_user') {
AsyncClient.getProfiles();
}
}
onTimeChange() {
if (!this.state.postList) {
return;
}
for (var id in this.state.postList.posts) {
if (!this.refs[id]) {
continue;
}
this.refs[id].forceUpdateInfo();
}
}
createDMIntroMessage(channel) {
var teammate = utils.getDirectTeammate(channel.id);
if (teammate) {
var teammateName = teammate.username;
if (teammate.nickname.length > 0) {
teammateName = teammate.nickname;
}
return (
<div className='channel-intro'>
<div className='post-profile-img__container channel-intro-img'>
<img
className='post-profile-img'
src={'/api/v1/users/' + teammate.id + '/image?time=' + teammate.update_at}
height='50'
width='50'
/>
</div>
<div className='channel-intro-profile'>
<strong><UserProfile userId={teammate.id} /></strong>
</div>
<p className='channel-intro-text'>
{'This is the start of your private message history with ' + teammateName + '.'}<br/>
{'Private messages and files shared here are not shown to people outside this area.'}
</p>
<a
className='intro-links'
href='#'
data-toggle='modal'
data-target='#edit_channel'
data-desc={channel.description}
data-title={channel.display_name}
data-channelid={channel.id}
>
<i className='fa fa-pencil'></i>Set a description
</a>
</div>
);
}
return (
<div className='channel-intro'>
<p className='channel-intro-text'>{'This is the start of your private message history with this teammate. Private messages and files shared here are not shown to people outside this area.'}</p>
</div>
);
}
createChannelIntroMessage(channel) {
if (channel.type === 'D') {
return this.createDMIntroMessage(channel);
} else if (ChannelStore.isDefault(channel)) {
return this.createDefaultIntroMessage(channel);
} else if (channel.name === Constants.OFFTOPIC_CHANNEL) {
return this.createOffTopicIntroMessage(channel);
} else if (channel.type === 'O' || channel.type === 'P') {
return this.createStandardIntroMessage(channel);
}
}
createDefaultIntroMessage(channel) {
return (
<div className='channel-intro'>
<h4 className='channel-intro__title'>Beginning of {channel.display_name}</h4>
<p className='channel-intro__content'>
Welcome to {channel.display_name}!
<br/><br/>
This is the first channel teammates see when they
<br/>
sign up - use it for posting updates everyone needs to know.
<br/><br/>
To create a new channel or join an existing one, go to
<br/>
the Left Hand Sidebar under Channels and click More.
<br/>
</p>
</div>
);
}
createOffTopicIntroMessage(channel) {
return (
<div className='channel-intro'>
<h4 className='channel-intro__title'>Beginning of {channel.display_name}</h4>
<p className='channel-intro__content'>
{'This is the start of ' + channel.display_name + ', a channel for non-work-related conversations.'}
<br/>
</p>
<a
className='intro-links'
href='#'
data-toggle='modal'
data-target='#edit_channel'
data-desc={channel.description}
data-title={channel.display_name}
data-channelid={channel.id}
>
<i className='fa fa-pencil'></i>Set a description
</a>
<a
className='intro-links'
href='#'
data-toggle='modal'
data-target='#channel_invite'
>
<i className='fa fa-user-plus'></i>Invite others to this channel
</a>
</div>
);
}
getChannelCreator(channel) {
if (channel.creator_id.length > 0) {
var creator = UserStore.getProfile(channel.creator_id);
if (creator) {
return creator.username;
}
}
var members = ChannelStore.getExtraInfo(channel.id).members;
for (var i = 0; i < members.length; i++) {
if (utils.isAdmin(members[i].roles)) {
return members[i].username;
}
}
}
createStandardIntroMessage(channel) {
var uiName = channel.display_name;
var creatorName = '';
var uiType;
var memberMessage;
if (channel.type === 'P') {
uiType = 'private group';
memberMessage = ' Only invited members can see this private group.';
} else {
uiType = 'channel';
memberMessage = ' Any member can join and read this channel.';
}
var createMessage;
if (creatorName !== '') {
createMessage = (<span>This is the start of the <strong>{uiName}</strong> {uiType}, created by <strong>{creatorName}</strong> on <strong>{utils.displayDate(channel.create_at)}</strong></span>);
} else {
createMessage = 'This is the start of the ' + uiName + ' ' + uiType + ', created on ' + utils.displayDate(channel.create_at) + '.';
}
return (
<div className='channel-intro'>
<h4 className='channel-intro__title'>Beginning of {uiName}</h4>
<p className='channel-intro__content'>
{createMessage}
{memberMessage}
<br/>
</p>
<a
className='intro-links'
href='#'
data-toggle='modal'
data-target='#edit_channel'
data-desc={channel.description}
data-title={channel.display_name}
data-channelid={channel.id}
>
<i className='fa fa-pencil'></i>Set a description
</a>
<a
className='intro-links'
href='#'
data-toggle='modal'
data-target='#channel_invite'
>
<i className='fa fa-user-plus'></i>Invite others to this {uiType}
</a>
</div>
);
}
createPosts(posts, order) {
var postCtls = [];
var previousPostDay = new Date(0);
var userId = UserStore.getCurrentId();
var renderedLastViewed = false;
var lastViewed = Number.MAX_VALUE;
if (ChannelStore.getMember(this.props.channelId) != null) {
lastViewed = ChannelStore.getMember(this.props.channelId).last_viewed_at;
}
var numToDisplay = this.state.numToDisplay;
if (order.length - 1 < numToDisplay) {
numToDisplay = order.length - 1;
}
for (var i = numToDisplay; i >= 0; i--) {
var post = posts[order[i]];
var parentPost = posts[post.parent_id];
var sameUser = false;
var sameRoot = false;
var hideProfilePic = false;
var prevPost = posts[order[i + 1]];
if (prevPost) {
sameUser = prevPost.user_id === post.user_id && post.create_at - prevPost.create_at <= 1000 * 60 * 5;
sameRoot = utils.isComment(post) && (prevPost.id === post.root_id || prevPost.root_id === post.root_id);
// we only hide the profile pic if the previous post is not a comment, the current post is not a comment, and the previous post was made by the same user as the current post
hideProfilePic = (prevPost.user_id === post.user_id) && !utils.isComment(prevPost) && !utils.isComment(post);
}
// check if it's the last comment in a consecutive string of comments on the same post
// it is the last comment if it is last post in the channel or the next post has a different root post
var isLastComment = utils.isComment(post) && (i === 0 || posts[order[i - 1]].root_id !== post.root_id);
var postCtl = (
<Post
key={post.id + 'postKey'}
ref={post.id}
sameUser={sameUser}
sameRoot={sameRoot}
post={post}
parentPost={parentPost}
posts={posts}
hideProfilePic={hideProfilePic}
isLastComment={isLastComment}
/>
);
let currentPostDay = utils.getDateForUnixTicks(post.create_at);
if (currentPostDay.toDateString() !== previousPostDay.toDateString()) {
postCtls.push(
<div
key={currentPostDay.toDateString()}
className='date-separator'
>
<hr className='separator__hr' />
<div className='separator__text'>{currentPostDay.toDateString()}</div>
</div>
);
}
if (post.user_id !== userId && post.create_at > lastViewed && !renderedLastViewed) {
renderedLastViewed = true;
// Temporary fix to solve ie10/11 rendering issue
let newSeparatorId = '';
if (!utils.isBrowserIE()) {
newSeparatorId = 'new_message_' + this.props.channelId;
}
postCtls.push(
<div
id={newSeparatorId}
key='unviewed'
className='new-separator'
>
<hr
className='separator__hr'
/>
<div className='separator__text'>New Messages</div>
</div>
);
}
postCtls.push(postCtl);
previousPostDay = currentPostDay;
}
return postCtls;
}
loadMorePosts() {
if (this.state.postList == null) {
return;
}
var posts = this.state.postList.posts;
var order = this.state.postList.order;
var channelId = this.props.channelId;
$(React.findDOMNode(this.refs.loadmore)).text('Retrieving more messages...');
Client.getPostsPage(
channelId,
order.length,
Constants.POST_CHUNK_SIZE,
function success(data) {
$(React.findDOMNode(this.refs.loadmore)).text('Load more messages');
this.gotMorePosts = true;
this.setState({numToDisplay: this.state.numToDisplay + Constants.POST_CHUNK_SIZE});
if (!data) {
return;
}
if (data.order.length === 0) {
return;
}
var postList = {};
postList.posts = $.extend(posts, data.posts);
postList.order = order.concat(data.order);
AppDispatcher.handleServerAction({
type: ActionTypes.RECIEVED_POSTS,
id: channelId,
post_list: postList
});
Client.getProfiles();
}.bind(this),
function fail(err) {
$(React.findDOMNode(this.refs.loadmore)).text('Load more messages');
AsyncClient.dispatchError(err, 'getPosts');
}.bind(this)
);
}
render() {
var order = [];
var posts;
var channel = ChannelStore.get(this.props.channelId);
if (this.state.postList != null) {
posts = this.state.postList.posts;
order = this.state.postList.order;
}
var moreMessages = <p className='beginning-messages-text'>Beginning of Channel</p>;
if (channel != null) {
if (order.length >= this.state.numToDisplay) {
moreMessages = (
<a
ref='loadmore'
className='more-messages-text theme'
href='#'
onClick={this.loadMorePosts}
>
Load more messages
</a>
);
} else {
moreMessages = this.createChannelIntroMessage(channel);
}
}
var postCtls = [];
if (posts && this.state.isFirstLoadComplete) {
postCtls = this.createPosts(posts, order);
} else {
postCtls.push(
<LoadingScreen
position='absolute'
key='loading'
/>);
}
var activeClass = '';
if (!this.props.isActive) {
activeClass = 'inactive';
}
return (
<div
ref='postlist'
className={'post-list-holder-by-time ' + activeClass}
>
<div className='post-list__table'>
<div className='post-list__content'>
{moreMessages}
{postCtls}
</div>
</div>
</div>
);
}
}
PostList.defaultProps = {
isActive: false,
channelId: null
};
PostList.propTypes = {
isActive: React.PropTypes.bool,
channelId: React.PropTypes.string
};