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

2 files changed, 87 insertions, 0 deletions

diff --git a/webapp/components/post_view/commented_on_files_message/commented_on_files_message.jsx b/webapp/components/post_view/commented_on_files_message/commented_on_files_message.jsx
new file mode 100644
index 000000000..a09b2b156
--- /dev/null
+++ b/webapp/components/post_view/commented_on_files_message/commented_on_files_message.jsx
@@ -0,0 +1,51 @@
+// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import React from 'react';
+
+import * as Utils from 'utils/utils.jsx';
+
+export default class CommentedOnFilesMessage extends React.PureComponent {
+    static propTypes = {
+
+        /*
+         * The id of the post that was commented on
+         */
+        parentPostId: React.PropTypes.string.isRequired,
+
+        /*
+         * An array of file metadata for the parent post
+         */
+        fileInfos: React.PropTypes.arrayOf(React.PropTypes.object),
+
+        actions: React.PropTypes.shape({
+
+            /*
+             * Function to get file metadata for a post
+             */
+            getFilesForPost: React.PropTypes.func.isRequired
+        }).isRequired
+    }
+
+    componentDidMount() {
+        if (!this.props.fileInfos || this.props.fileInfos.length === 0) {
+            this.props.actions.getFilesForPost(this.props.parentPostId);
+        }
+    }
+
+    render() {
+        let message = ' ';
+
+        if (this.props.fileInfos && this.props.fileInfos.length > 0) {
+            message = this.props.fileInfos[0].name;
+
+            if (this.props.fileInfos.length === 2) {
+                message += Utils.localizeMessage('post_body.plusOne', ' plus 1 other file');
+            } else if (this.props.fileInfos.length > 2) {
+                message += Utils.localizeMessage('post_body.plusMore', ' plus {count} other files').replace('{count}', (this.props.fileInfos.length - 1).toString());
+            }
+        }
+
+        return <span>{message}</span>;
+    }
+}
diff --git a/webapp/components/post_view/commented_on_files_message/index.js b/webapp/components/post_view/commented_on_files_message/index.js
new file mode 100644
index 000000000..fd6aa7193
--- /dev/null
+++ b/webapp/components/post_view/commented_on_files_message/index.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import {connect} from 'react-redux';
+import {bindActionCreators} from 'redux';
+import {getFilesForPost} from 'mattermost-redux/actions/files';
+
+import {makeGetFilesForPost} from 'mattermost-redux/selectors/entities/files';
+
+import CommentedOnFilesMessage from './commented_on_files_message.jsx';
+
+function makeMapStateToProps() {
+    const selectFileInfosForPost = makeGetFilesForPost();
+
+    return function mapStateToProps(state, ownProps) {
+        let fileInfos;
+        if (ownProps.parentPostId) {
+            fileInfos = selectFileInfosForPost(state, {id: ownProps.parentPostId});
+        }
+
+        return {
+            ...ownProps,
+            fileInfos
+        };
+    };
+}
+
+function mapDispatchToProps(dispatch) {
+    return {
+        actions: bindActionCreators({
+            getFilesForPost
+        }, dispatch)
+    };
+}
+
+export default connect(makeMapStateToProps, mapDispatchToProps)(CommentedOnFilesMessage);