PLT-6215 Major post list refactor (#6501)

* Major post list refactor

* Fix post and thread deletion

* Fix preferences not selecting correctly

* Fix military time displaying

* Fix UP key for editing posts

* Fix ESLint error

* Various fixes and updates per feedback

* Fix for permalink view

* Revert to old scrolling method and various fixes

* Add floating timestamp, new message indicator, scroll arrows

* Update post loading for focus mode and add visibility limit

* Fix pinning posts and a react warning

* Add loading UI updates from Asaad

* Fix refreshing loop

* Temporarily bump post visibility limit

* Update infinite scrolling

* Remove infinite scrolling

webapp/components/post_view/index.js

@@ -3,22 +3,52 @@
 
 import {connect} from 'react-redux';
 import {bindActionCreators} from 'redux';
-import {viewChannel} from 'mattermost-redux/actions/channels';
 
-import PostViewCache from './post_view_cache.jsx';
+import {makeGetPostsInChannel, makeGetPostsAroundPost} from 'mattermost-redux/selectors/entities/posts';
+import {get} from 'mattermost-redux/selectors/entities/preferences';
+import {getChannel} from 'mattermost-redux/selectors/entities/channels';
+import {getCurrentUserId} from 'mattermost-redux/selectors/entities/users';
+import {getPosts, getPostsBefore, getPostsAfter, getPostThread} from 'mattermost-redux/actions/posts';
+import {increasePostVisibility} from 'actions/post_actions.jsx';
+import {Preferences} from 'utils/constants.jsx';
 
-function mapStateToProps(state, ownProps) {
-    return {
-        ...ownProps
+import PostList from './post_list.jsx';
+
+function makeMapStateToProps() {
+    const getPostsInChannel = makeGetPostsInChannel();
+    const getPostsAroundPost = makeGetPostsAroundPost();
+
+    return function mapStateToProps(state, ownProps) {
+        let posts;
+        if (ownProps.focusedPostId) {
+            posts = getPostsAroundPost(state, ownProps.focusedPostId, ownProps.channelId);
+        } else {
+            posts = getPostsInChannel(state, ownProps.channelId);
+        }
+
+        return {
+            channel: getChannel(state, ownProps.channelId),
+            lastViewedAt: state.views.channel.lastChannelViewTime[ownProps.channelId],
+            posts,
+            postVisibility: state.views.channel.postVisibility[ownProps.channelId],
+            loadingPosts: state.views.channel.loadingPosts[ownProps.channelId],
+            focusedPostId: ownProps.focusedPostId,
+            currentUserId: getCurrentUserId(state),
+            fullWidth: get(state, Preferences.CATEGORY_DISPLAY_SETTINGS, Preferences.CHANNEL_DISPLAY_MODE, Preferences.CHANNEL_DISPLAY_MODE_DEFAULT) === Preferences.CHANNEL_DISPLAY_MODE_FULL_SCREEN
+        };
     };
 }
 
 function mapDispatchToProps(dispatch) {
     return {
         actions: bindActionCreators({
-            viewChannel
+            getPosts,
+            getPostsBefore,
+            getPostsAfter,
+            getPostThread,
+            increasePostVisibility
         }, dispatch)
     };
 }
 
-export default connect(mapStateToProps, mapDispatchToProps)(PostViewCache);
+export default connect(makeMapStateToProps, mapDispatchToProps)(PostList);