496068e99c
* Group addDatesToPostList options into object * Clean up imports in PostList * Dry up code for adding dates to posts in PostList * Allow user to load more posts in channel post list * Load more posts upon scrolling to end instead of with button * Wait for initial posts to be loaded before loading more * Return data in getPosts actions * Check how many posts were fetched to determine if there are more * Insert load-more-posts into list in PostList not post_utils.js * Rename component for LoadMorePosts * Use LoadMorePosts to indicate if more posts are loading * Only try to load more posts if initial posts have been loaded * Don’t show LoadMorePosts if posts list is empty * Don’t try to load more posts if first post has been loaded * Don’t show LoadMorePosts if first post has been loaded * Set hasFirstPost in willReceiveProps of PostList * Use constant for load-more-posts token string * Only show LoadMorePosts if pagination is enabled on PostList * Fix logic for determining if posts loaded in PostList * Ensure PostList ListView rerenders * Move load more posts logic into ChannelPostList * Remove unused getTheme from ChannelPostList container * Avoid clever variable assignment in LoadMorePosts
48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
|
|
// See License.txt for license information.
|
|
|
|
import {Constants} from 'service/constants';
|
|
|
|
export function isSystemMessage(post) {
|
|
return post.type && post.type.startsWith(Constants.SYSTEM_MESSAGE_PREFIX);
|
|
}
|
|
|
|
export function shouldIgnorePost(post) {
|
|
return Constants.IGNORE_POST_TYPES.includes(post.type);
|
|
}
|
|
|
|
export function addDatesToPostList(posts, options = {}) {
|
|
const {indicateNewMessages, currentUserId, lastViewedAt} = options;
|
|
|
|
const out = [];
|
|
|
|
let lastDate = null;
|
|
let subsequentPostIsUnread = false;
|
|
let subsequentPostUserId;
|
|
let postIsUnread;
|
|
for (const post of posts) {
|
|
postIsUnread = post.create_at > lastViewedAt;
|
|
if (indicateNewMessages && subsequentPostIsUnread && !postIsUnread && subsequentPostUserId !== currentUserId) {
|
|
out.push(Constants.START_OF_NEW_MESSAGES);
|
|
}
|
|
subsequentPostIsUnread = postIsUnread;
|
|
subsequentPostUserId = post.user_id;
|
|
|
|
const postDate = new Date(post.create_at);
|
|
|
|
// Push on a date header if the last post was on a different day than the current one
|
|
if (lastDate && lastDate.toDateString() !== postDate.toDateString()) {
|
|
out.push(lastDate);
|
|
}
|
|
|
|
lastDate = postDate;
|
|
out.push(post);
|
|
}
|
|
|
|
// Push on the date header for the oldest post
|
|
if (lastDate) {
|
|
out.push(lastDate);
|
|
}
|
|
|
|
return out;
|
|
}
|