From ee5f3a4a78cd9a4cc2ed259ce599db95765f24ce Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 11 Jun 2019 14:56:08 +0300
Subject: Message editing

---
 vnext/src/api/index.js                      |  8 ++++
 vnext/src/ui/Message.js                     |  8 ++++
 vnext/src/ui/MessageInput.js                |  9 +++--
 vnext/src/ui/Post.js                        | 13 +++---
 vnext/src/ui/Thread.js                      | 61 ++++++++++++++++++-----------
 vnext/src/ui/__tests__/MessageInput-test.js | 59 +++++++++++++++-------------
 6 files changed, 99 insertions(+), 59 deletions(-)

diff --git a/vnext/src/api/index.js b/vnext/src/api/index.js
index 2332ed48..e6b1d2ef 100644
--- a/vnext/src/api/index.js
+++ b/vnext/src/api/index.js
@@ -75,6 +75,14 @@ export function comment(mid, rid, body, attach) {
     return client.post('/api/comment', form);
 }
 
+export function update(mid, rid, body) {
+    let form = new FormData();
+    form.append('mid', mid);
+    form.append('rid', rid);
+    form.append('body', body);
+    return client.post('/api/update', form);
+}
+
 export function updateAvatar(newAvatar) {
     let form = new FormData();
     form.append('avatar', newAvatar);
diff --git a/vnext/src/ui/Message.js b/vnext/src/ui/Message.js
index eb008bfe..fd225282 100644
--- a/vnext/src/ui/Message.js
+++ b/vnext/src/ui/Message.js
@@ -38,7 +38,15 @@ export default function Message({ data, visitor, children, ...rest }) {
                                 {moment.utc(data.timestamp).fromNow()}
                             </time>
                         </Link>
+                        {
+                            visitor.uid == data.user.uid &&
+                            <>
+                                <span>&nbsp;&middot;&nbsp;</span>
+                                <Link to={{ pathname: '/post', state: { draft: data }}}>Edit</Link>
+                            </>
+                        }
                     </div>
+
                 </Avatar>
                 <TagsList user={data.user} data={data.tags || []} />
             </header>
diff --git a/vnext/src/ui/MessageInput.js b/vnext/src/ui/MessageInput.js
index e4988d59..fc3596cc 100644
--- a/vnext/src/ui/MessageInput.js
+++ b/vnext/src/ui/MessageInput.js
@@ -21,9 +21,8 @@ export default function MessageInput({ text, data, rows, children, onSend }) {
         }
     };
     useEffect(() => {
-        textareaRef.current.value = text || '';
         updateFocus();
-    }, [text]);
+    }, []);
 
     let handleCtrlEnter = (event) => {
         if (event.ctrlKey && (event.charCode == 10 || event.charCode == 13)) {
@@ -37,7 +36,9 @@ export default function MessageInput({ text, data, rows, children, onSend }) {
         el.style.height = `${height + offset}px`;
     };
     const [attach, setAttach] = useState('');
-    const [formState, { textarea }] = useFormState();
+    const [formState, { textarea }] = useFormState({
+        body: text
+    });
     let uploadValueChanged = (attach) => {
         setAttach(attach);
     };
@@ -62,7 +63,7 @@ export default function MessageInput({ text, data, rows, children, onSend }) {
         <form className="msg-comment-target" style={{ padding: '12px' }} onSubmit={onSubmit}>
             <div style={commentStyle}>
                 <textarea onChange={textChanged} onKeyPress={handleCtrlEnter}
-                    ref={textareaRef} style={textInputStyle} value={formState.values.body}
+                    ref={textareaRef} style={textInputStyle}
                     rows={rows || '1'} placeholder={children} {...textarea('body')} />
                 <div style={inputBarStyle}>
                     <UploadButton inputRef={fileinput} value={attach} onChange={uploadValueChanged} />
diff --git a/vnext/src/ui/Post.js b/vnext/src/ui/Post.js
index 3dc23613..dc1c7a9d 100644
--- a/vnext/src/ui/Post.js
+++ b/vnext/src/ui/Post.js
@@ -7,23 +7,25 @@ import qs from 'qs';
 
 import MessageInput from './MessageInput';
 
-import { post } from '../api';
+import { post, update } from '../api';
 
-function PostComponent(props) {
+function PostComponent({ location, visitor, history }) {
+  let draftMessage = (location.state || {}).draft || {};
   let params = qs.parse(window.location.search.substring(1));
   let postMessage = (template) => {
     const { attach, body } = template;
-    post(body, attach)
+    const postAction = draftMessage.mid ? update(draftMessage.mid, 0, body) : post(body, attach);
+    postAction
       .then(response => {
         if (response.status === 200) {
           const msg = response.data.newMessage;
-          this.props.history.push(`/${this.props.visitor.uname}/${msg.mid}`);
+          history.push(`/${visitor.uname}/${msg.mid}`);
         }
       }).catch(console.log);
   };
   return (
     <div className="msg-cont">
-      <MessageInput rows="7" text={params.body || ''} data={{ mid: 0, timestamp: '0' }} onSend={postMessage}>
+      <MessageInput rows="7" text={params.body || draftMessage.body || ''} data={{ mid: 0, timestamp: '0' }} onSend={postMessage}>
         *weather It is very cold today!
           </MessageInput>
     </div>
@@ -33,6 +35,7 @@ function PostComponent(props) {
 export default memo(PostComponent);
 
 PostComponent.propTypes = {
+  location: ReactRouterPropTypes.location,
   history: ReactRouterPropTypes.history.isRequired,
   visitor: UserType
 };
diff --git a/vnext/src/ui/Thread.js b/vnext/src/ui/Thread.js
index 30fa0723..6cbb5188 100644
--- a/vnext/src/ui/Thread.js
+++ b/vnext/src/ui/Thread.js
@@ -12,13 +12,13 @@ import Button from './Button';
 
 import { format, embedUrls } from '../utils/embed';
 
-import { getMessages, comment, markReadTracker, fetchUserUri } from '../api';
+import { getMessages, comment, update, markReadTracker, fetchUserUri, updateAvatar } from '../api';
 
 import './Thread.css';
 
 let isMounted;
 
-function Comment({ msg, visitor, active, setActive, postComment }) {
+function Comment({ msg, draft, visitor, active, setActive, onStartEditing, postComment }) {
   const embedRef = useRef();
   const msgRef = useRef();
   const [author, setAuthor] = useState(msg.user);
@@ -33,16 +33,16 @@ function Comment({ msg, visitor, active, setActive, postComment }) {
   useEffect(() => {
     isMounted = true;
     if (author.uri) {
-        fetchUserUri(author.uri).then(response => {
-            if (isMounted) {
-                setAuthor(response.data);
-            }
-        });
+      fetchUserUri(author.uri).then(response => {
+        if (isMounted) {
+          setAuthor(response.data);
+        }
+      });
     }
     return () => {
-        isMounted = false;
+      isMounted = false;
     };
-}, [author.uri]);
+  }, [author.uri]);
   return (
     <div>
       <div className="msg-header" style={{ padding: '6px', display: 'flex', alignItems: 'flex-start' }}>
@@ -59,6 +59,13 @@ function Comment({ msg, visitor, active, setActive, postComment }) {
             visitor.uid > 0 ? (
               <>
                 {active === msg.rid || <span style={linkStyle} onClick={() => setActive(msg.rid)}>Reply</span>}
+                {
+                  visitor.uid == msg.user.uid &&
+                  <>
+                    <span>&nbsp;&middot;&nbsp;</span>
+                    <span style={linkStyle} onClick={() => onStartEditing(msg)}>Edit</span>
+                  </>
+                }
               </>
             ) : (
                 <>
@@ -77,18 +84,18 @@ function Comment({ msg, visitor, active, setActive, postComment }) {
             </div>
         }
       </div>
-        {
-          msg.photo &&
-          <div className="msg-media">
-            <a href={`//i.juick.com/p/${msg.mid}-${msg.rid}.${msg.attach}`} data-fname={`${msg.mid}-${msg.rid}.${msg.attach}`}>
-              <img src={`//i.juick.com/p/${msg.mid}-${msg.rid}.${msg.attach}`} alt="" />
-            </a>
-          </div>
-        }
+      {
+        msg.photo &&
+        <div className="msg-media">
+          <a href={`//i.juick.com/p/${msg.mid}-${msg.rid}.${msg.attach}`} data-fname={`${msg.mid}-${msg.rid}.${msg.attach}`}>
+            <img src={`//i.juick.com/p/${msg.mid}-${msg.rid}.${msg.attach}`} alt="" />
+          </a>
+        </div>
+      }
       <div className="embedContainer" ref={embedRef} />
       <div className="msg-links">
         {
-          active === msg.rid && <MessageInput data={msg} onSend={postComment}>Write a comment...</MessageInput>
+          active === msg.rid && <MessageInput data={msg} text={draft || ''} onSend={postComment}>Write a comment...</MessageInput>
         }
       </div>
     </div>
@@ -97,9 +104,11 @@ function Comment({ msg, visitor, active, setActive, postComment }) {
 
 Comment.propTypes = {
   msg: MessageType.isRequired,
+  draft: PropTypes.string.isRequired,
   visitor: UserType.isRequired,
   active: PropTypes.number.isRequired,
   setActive: PropTypes.func.isRequired,
+  onStartEditing: PropTypes.func.isRequired,
   postComment: PropTypes.func.isRequired
 };
 
@@ -108,6 +117,7 @@ export default function Thread(props) {
   const [replies, setReplies] = useState([]);
   const [loading, setLoading] = useState(false);
   const [active, setActive] = useState(0);
+  const [editing, setEditing] = useState({});
   useEffect(() => {
     setActive(0);
     loadReplies();
@@ -157,19 +167,26 @@ export default function Thread(props) {
   }, [message]);
   let postComment = (template) => {
     const { mid, rid, body, attach } = template;
-    comment(mid, rid, body, attach).then(res => {
+    let commentAction = editing.rid ? update(mid, editing.rid, body) : comment(mid, rid, body, attach);
+    commentAction.then(res => {
+      setEditing({});
       loadReplies();
     })
       .catch(console.log);
   };
 
+  let startEditing = (reply) => {
+    setActive(reply.replyto);
+    setEditing(reply);
+  };
+
   const loaders = Math.min(message.replies || 0, 10);
   return (
     <>
       {
         message.mid ? (
           <Message data={message} visitor={props.visitor}>
-            {active === (message.rid || 0) && <MessageInput data={message} onSend={postComment}>Write a comment...</MessageInput>}
+            {active === (message.rid || 0) && <MessageInput data={message} text={editing.body || ''} onSend={postComment}>Write a comment...</MessageInput>}
           </Message>
         ) : (
             <Spinner />
@@ -179,7 +196,7 @@ export default function Thread(props) {
         {
           !loading ? replies.map((msg) => (
             <li id={msg.rid} key={msg.rid}>
-              <Comment msg={msg} visitor={props.visitor} active={active} setActive={setActive} postComment={postComment} />
+              <Comment msg={msg} draft={msg.rid === editing.replyto && editing.body} visitor={props.visitor} active={active} setActive={setActive} onStartEditing={startEditing} postComment={postComment} />
             </li>
           )) : (
               <>
@@ -201,5 +218,5 @@ Thread.propTypes = {
   history: ReactRouterPropTypes.history,
   match: ReactRouterPropTypes.match,
   visitor: UserType.isRequired,
-  connection: PropTypes.object.isRequired
+  connection: PropTypes.object.isRequired,
 };
diff --git a/vnext/src/ui/__tests__/MessageInput-test.js b/vnext/src/ui/__tests__/MessageInput-test.js
index 7ac69ed0..9603d1fe 100644
--- a/vnext/src/ui/__tests__/MessageInput-test.js
+++ b/vnext/src/ui/__tests__/MessageInput-test.js
@@ -12,31 +12,35 @@ const testMessage = {
     to: {}
 };
 
-window.matchMedia = window.matchMedia || function () {
+window.matchMedia = window.matchMedia || function() {
     return {
         matches: true,
-        addListener: function () { },
-        removeListener: function () { }
+        addListener: function() { },
+        removeListener: function() { }
     };
 };
 
+function createMessageInput(data, onFocus, onSend, draft) {
+    return create(<MessageInput data={data} onSend={onSend} text={draft} />, {
+        createNodeMock: (element) => {
+            if (element.type === 'textarea') {
+                // mock a focus function
+                return {
+                    focus: onFocus,
+                    style: {}
+                };
+            }
+            return null;
+        }
+    });
+}
+
 it('Gives immediate focus on to textarea on load', () => {
     let focused = false;
     act(() => {
-        create(<MessageInput data={testMessage} onSend={() => { }} />, {
-            createNodeMock: (element) => {
-                if (element.type === 'textarea') {
-                    // mock a focus function
-                    return {
-                        focus: () => {
-                            focused = true;
-                        },
-                        style: {}
-                    };
-                }
-                return null;
-            }
-        });
+        createMessageInput(testMessage, () => {
+            focused = true;
+        }, () => { });
     });
     expect(focused).toEqual(true, 'textarea was not focused');
 });
@@ -46,17 +50,7 @@ it('Submits on ctrl-enter', () => {
     const onSend = jest.fn();
     var messageInput = null;
     act(() => {
-        messageInput = create(<MessageInput data={testMessage} onSend={onSend} />, {
-            createNodeMock: (element) => {
-                if (element.type === 'textarea') {
-                    return {
-                        focus: () => { },
-                        style: {}
-                    };
-                }
-                return null;
-            }
-        });
+        messageInput = createMessageInput(testMessage, () => {}, onSend);
     });
     let textarea = messageInput.root.findByType('textarea');
     act(() => {
@@ -93,3 +87,12 @@ it('Submits on ctrl-enter', () => {
     });
     expect(textarea.props.value).toEqual('', 'Value should be cleared after submit');
 });
+
+it('Show draft text', () => {
+    var messageInput;
+    act(() => {
+        messageInput = createMessageInput(testMessage, () => {}, () => {}, 'yo');
+    });
+    let textarea = messageInput.root.findByType('textarea');
+    expect(textarea.props.value).toEqual('yo', 'Value should match draft');
+});
-- 
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