From 5596a6b37c440522176fdc05217161d7de7e169c Mon Sep 17 00:00:00 2001
From: JoramWilander <jwawilander@gmail.com>
Date: Thu, 23 Jul 2015 12:45:08 -0400
Subject: added client predictive commenting

---
 web/react/components/create_comment.jsx | 24 ++++++++++++---
 web/react/components/create_post.jsx    | 30 ++++++++++++++-----
 web/react/components/post_info.jsx      |  7 +++--
 web/react/components/post_right.jsx     | 53 +++++++++++++++++++++++++++++++--
 4 files changed, 97 insertions(+), 17 deletions(-)

(limited to 'web/react/components')

diff --git a/web/react/components/create_comment.jsx b/web/react/components/create_comment.jsx
index 885efab7a..fbb05c77f 100644
--- a/web/react/components/create_comment.jsx
+++ b/web/react/components/create_comment.jsx
@@ -2,15 +2,16 @@
 // See License.txt for license information.
 
 var client = require('../utils/client.jsx');
-var AsyncClient =require('../utils/async_client.jsx');
+var AsyncClient = require('../utils/async_client.jsx');
 var SocketStore = require('../stores/socket_store.jsx');
 var ChannelStore = require('../stores/channel_store.jsx');
+var UserStore = require('../stores/user_store.jsx');
 var PostStore = require('../stores/post_store.jsx');
 var Textbox = require('./textbox.jsx');
 var MsgTyping = require('./msg_typing.jsx');
 var FileUpload = require('./file_upload.jsx');
 var FilePreview = require('./file_preview.jsx');
-
+var utils = require('../utils/utils.jsx');
 var Constants = require('../utils/constants.jsx');
 
 module.exports = React.createClass({
@@ -39,10 +40,16 @@ module.exports = React.createClass({
             return;
         }
 
+        var user_id = UserStore.getCurrentId();
+
         post.channel_id = this.props.channelId;
         post.root_id = this.props.rootId;
-        post.parent_id = this.props.parentId;
+        post.parent_id = this.props.rootId;
         post.filenames = this.state.previews;
+        var time = utils.getTimestamp();
+        post.pending_post_id = user_id + ":"+ time;
+        post.user_id = user_id;
+        post.create_at = time;
 
         this.setState({submitting: true, serverError: null});
 
@@ -69,10 +76,19 @@ module.exports = React.createClass({
                         $('#post_deleted').modal('show');
                     }
                 } else {
-                    this.setState(state);
+                    post.did_fail = true;
+                    PostStore.updatePendingPost(post);
                 }
+
+                state.submitting = false;
+                this.setState(state);
             }.bind(this)
         );
+
+        post.is_loading = true;
+        PostStore.storePendingPost(post);
+        PostStore.storeCommentDraft(this.props.rootId, null);
+        this.setState({ messageText: '', submitting: false, post_error: null, previews: [], server_error: null, limit_error: null });
     },
     commentMsgKeyPress: function(e) {
         if (e.which === 13 && !e.shiftKey && !e.altKey) {
diff --git a/web/react/components/create_post.jsx b/web/react/components/create_post.jsx
index 76f2bf262..8110f5886 100644
--- a/web/react/components/create_post.jsx
+++ b/web/react/components/create_post.jsx
@@ -214,20 +214,34 @@ module.exports = React.createClass({
         var channelId = ChannelStore.getCurrentId();
         if (this.state.channelId !== channelId) {
             var draft = PostStore.getCurrentDraft();
-            this.setState({
-                channelId: channelId, messageText: draft['message'], initialText: draft['message'], submitting: false,
-                serverError: null, postError: null, previews: draft['previews'], uploadsInProgress: draft['uploadsInProgress']
-            });
+
+            var previews = [];
+            var messageText = '';
+            var uploadsInProgress = 0;
+            if (draft && draft['previews'] && draft['message']) {
+                previews = draft['previews'];
+                messageText = draft['message'];
+                uploadsInProgress = draft['uploadsInProgress'];
+            }
+
+            this.setState({channelId: channelId, messageText: messageText, initialText: messageText, submitting: false, serverError: null, postError: null, previews: previews, uploadsInProgress: uploadsInProgress});
         }
     },
     getInitialState: function() {
         PostStore.clearDraftUploads();
+        PostStore.clearPendingPosts(ChannelStore.getCurrentId());
 
         var draft = PostStore.getCurrentDraft();
-        return {
-            channelId: ChannelStore.getCurrentId(), messageText: draft['message'], uploadsInProgress: draft['uploadsInProgress'],
-            previews: draft['previews'], submitting: false, initialText: draft['message']
-        };
+        var previews = [];
+        var messageText = '';
+        var uploadsInProgress = 0;
+        if (draft && draft["previews"] && draft["message"]) {
+            previews = draft['previews'];
+            messageText = draft['message'];
+            uploadsInProgress = draft['uploadsInProgress'];
+        }
+
+        return { channelId: ChannelStore.getCurrentId(), messageText: messageText, uploadsInProgress: uploadsInProgress, previews: previews, submitting: false, initialText: messageText};
     },
     getFileCount: function(channelId) {
         if (channelId === this.state.channelId) {
diff --git a/web/react/components/post_info.jsx b/web/react/components/post_info.jsx
index 8eaaf4e8c..93d028e18 100644
--- a/web/react/components/post_info.jsx
+++ b/web/react/components/post_info.jsx
@@ -22,16 +22,19 @@ module.exports = React.createClass({
 
         var comments = "";
         var lastCommentClass = this.props.isLastComment ? " comment-icon__container__show" : " comment-icon__container__hide";
-        if (this.props.commentCount >= 1) {
+        if (this.props.commentCount >= 1  && !post.did_fail && !post.is_loading) {
             comments = <a href="#" className={"comment-icon__container theme" + lastCommentClass} onClick={this.props.handleCommentClick}><span className="comment-icon" dangerouslySetInnerHTML={{__html: Constants.COMMENT_ICON }} />{this.props.commentCount}</a>;
         }
 
+        var show_dropdown = isOwner || (this.props.allowReply === "true" && type != "Comment");
+        if (post.did_fail || post.is_loading) show_dropdown = false;
+
         return (
             <ul className="post-header post-info">
                 <li className="post-header-col"><time className="post-profile-time">{ utils.displayDateTime(post.create_at) }</time></li>
                     <li className="post-header-col post-header__reply">
                         <div className="dropdown">
-                        { isOwner || (this.props.allowReply === "true" && type != "Comment") ?
+                        { show_dropdown ?
                             <div>
                                 <a href="#" className="dropdown-toggle theme" type="button" data-toggle="dropdown" aria-expanded="false" />
                                 <ul className="dropdown-menu" role="menu">
diff --git a/web/react/components/post_right.jsx b/web/react/components/post_right.jsx
index e46979ff7..69e514e11 100644
--- a/web/react/components/post_right.jsx
+++ b/web/react/components/post_right.jsx
@@ -12,6 +12,7 @@ var CreateComment = require( './create_comment.jsx' );
 var Constants = require('../utils/constants.jsx');
 var FileAttachmentList = require('./file_attachment_list.jsx');
 var FileUploadOverlay = require('./file_upload_overlay.jsx');
+var client = require('../utils/client.jsx');
 var ActionTypes = Constants.ActionTypes;
 
 RhsHeaderPost = React.createClass({
@@ -119,10 +120,36 @@ RootPost = React.createClass({
 });
 
 CommentPost = React.createClass({
+    retryComment: function(e) {
+        e.preventDefault();
+
+        var post = this.props.post;
+        client.createPost(post, post.channel_id,
+            function(data) {
+                AsyncClient.getPosts(true);
+
+                var member = ChannelStore.getMember(post.channel_id);
+                member.msg_count = channel.total_msg_count;
+                member.last_viewed_at = (new Date).getTime();
+                ChannelStore.setChannelMember(member);
+            }.bind(this),
+            function(err) {
+                post.did_fail = true;
+                PostStore.updatePendingPost(post);
+                this.forceUpdate();
+            }.bind(this)
+        );
+
+        post.did_fail = false;
+        post.is_loading = true;
+        PostStore.updatePendingPost(post);
+        this.forceUpdate();
+    },
     render: function() {
         var post = this.props.post;
 
         var commentClass = "post";
+        var post = this.props.post;
 
         var currentUserCss = "";
         if (UserStore.getCurrentId() === post.user_id) {
@@ -139,6 +166,16 @@ CommentPost = React.createClass({
         var message = utils.textToJsx(post.message);
         var timestamp = UserStore.getCurrentUser().update_at;
 
+        var loading;
+        var postClass = "";
+        if (post.did_fail) {
+            postClass += " post-fail";
+            loading = <a className="post-retry pull-right" href="#" onClick={this.retryComment}>Retry</a>;
+        } else if (post.is_loading) {
+            postClass += " post-waiting";
+            loading = <img className="post-loading-gif pull-right" src="/static/images/load.gif"/>;
+        }
+
         return (
             <div className={commentClass + " " + currentUserCss}>
                 <div className="post-profile-img__container">
@@ -149,7 +186,7 @@ CommentPost = React.createClass({
                         <li className="post-header-col"><strong><UserProfile userId={post.user_id} /></strong></li>
                         <li className="post-header-col"><time className="post-right-comment-time">{ utils.displayDateTime(post.create_at) }</time></li>
                         <li className="post-header-col post-header__reply">
-                        { isOwner ?
+                        { isOwner && !post.did_fail && !post.is_loading ?
                         <div className="dropdown" onClick={function(e){$('.post-list-holder-by-time').scrollTop($(".post-list-holder-by-time").scrollTop() + 50);}}>
                             <a href="#" className="dropdown-toggle theme" type="button" data-toggle="dropdown" aria-expanded="false" />
                             <ul className="dropdown-menu" role="menu">
@@ -161,7 +198,7 @@ CommentPost = React.createClass({
                         </li>
                     </ul>
                     <div className="post-body">
-                        <p>{message}</p>
+                        <p className={postClass}>{loading}{message}</p>
                         { post.filenames && post.filenames.length > 0 ?
                             <FileAttachmentList
                                 filenames={post.filenames}
@@ -177,7 +214,17 @@ CommentPost = React.createClass({
 });
 
 function getStateFromStores() {
-  return { post_list: PostStore.getSelectedPost() };
+    var post_list = PostStore.getSelectedPost();
+    if (!post_list || post_list.order.length < 1) return { post_list: {} };
+
+    var channel_id = post_list.posts[post_list.order[0]].channel_id;
+    var pending_post_list = PostStore.getPendingPosts(channel_id);
+
+    if (pending_post_list) {
+        for (var pid in pending_post_list.posts) { post_list.posts[pid] = pending_post_list.posts[pid] };
+    }
+
+    return { post_list: post_list };
 }
 
 module.exports = React.createClass({
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