From 047dad1c4cf969c62ed6ca42c86adab65d7af6b8 Mon Sep 17 00:00:00 2001
From: Enrico Fasoli <fazius2009@gmail.com>
Date: Wed, 23 Dec 2015 11:47:31 +0100
Subject: [PATCH] implemented writing comments

---
 lib/boards-api.js             | 42 ++++++++++++++++++++
 webapp/components/comment.jsx | 73 +++++++++++++++++++++++++++++++++--
 webapp/components/post.jsx    | 13 ++++++-
 webapp/pages/commentpage.jsx  | 16 +++++---
 webapp/pages/postpage.jsx     |  7 +++-
 webapp/style.css              |  1 +
 6 files changed, 139 insertions(+), 13 deletions(-)

diff --git a/lib/boards-api.js b/lib/boards-api.js
index 1fa9dfd..f2842b2 100644
--- a/lib/boards-api.js
+++ b/lib/boards-api.js
@@ -207,6 +207,48 @@ BoardsAPI.prototype.createPost = function (post, board, done) {
     }
   ], done)
 }
+BoardsAPI.prototype.createComment = function (comment, parent, done) {
+  try {
+    comment.date = parseInt((new Date()).getTime() / 1000, 10)
+    comment.op = this.id
+    comment.parent = parent
+    var comment_str = JSON.stringify(comment)
+  } catch (e) {
+    console.log('Error, invalid Post:', e)
+    return done(e)
+  }
+  if (!comment.text) return done('empty comment')
+  console.log('Commenting:', comment)
+  var dest = '/ipfs-boards-profile/comments/' + parent + '/' + comment.date + '.json'
+  var commenthash
+  asyncjs.waterfall([
+    // Create required directories
+    cb => this.ipfs.files.mkdir('/ipfs-boards-profile/comments/' + parent + '/', { p: true }, cb),
+    (e, cb) => {
+      // Remove old comment file if present
+      this.ipfs.files.rm(dest, { r: true }, res => cb())
+    },
+    (cb) => {
+      // Serialize comment and add to IPFS
+      this.ipfs.add(new Buffer(comment_str), cb)
+    },
+    (res, cb) => {
+      // Move post into mfs
+      console.log('added Comment to IPFS:', res.Hash)
+      commenthash = res.Hash
+      var spath = '/ipfs/' + res.Hash
+      this.ipfs.files.cp([spath, dest], cb)
+    },
+    (e, cb) => this.ipfs.files.stat('/', cb),
+    (res, cb) => {
+      var profile_hash = res.Hash
+      console.log('Publishing profile...')
+      this.ipfs.name.publish(profile_hash, err => {
+        done(err, commenthash)
+      })
+    }
+  ], done)
+}
 
 BoardsAPI.prototype.delete = function (opts, done) {
   var url = '/ipfs-boards-profile/'
diff --git a/webapp/components/comment.jsx b/webapp/components/comment.jsx
index 1dddf58..6f7b362 100644
--- a/webapp/components/comment.jsx
+++ b/webapp/components/comment.jsx
@@ -4,6 +4,62 @@ var Icon = require('icon.jsx')
 var Clock = require('clock.jsx')
 var Link = require('react-router').Link
 var UserID = require('userID.jsx')
+var { Error, Success } = require('status-components.jsx')
+
+var CommentEditor = React.createClass({
+  getInitialState () {
+    return { }
+  },
+  componentDidMount () {
+    this.init(this.props)
+  },
+  componentWillReceiveProps (props) {
+    this.init(props)
+  },
+  init (props) {
+    this.setState({ api: props.api })
+  },
+  handleChange (event) {
+    var obj = {}
+    obj[event.target.id] = event.target.value
+    this.setState(obj)
+  },
+  save () {
+    var boards = this.props.api
+    var comment = { text: this.state.text }
+    this.setState({ loading: true })
+    boards.createComment(comment, this.props.parent, (err, hash) => {
+      if (err) {
+        this.setState({ loading: false, error: err })
+      } else {
+        this.setState({ loading: false, success: true, hash })
+      }
+    })
+  },
+  render () {
+    if (this.state.error) {
+      return <Error error={this.state.error} />
+    } else if (this.state.loading) {
+      return <div className="center-block text-center find-content">
+        <Icon name="refresh" className="fa-3x center-block light fa-spin" />
+        <h4>Publishing Comment</h4>
+      </div>
+    } else if (this.state.success) {
+      var url = '/@' + this.props.adminID + '/' + this.props.board + '/' + (this.props.post || this.props.parent) + '/' + this.state.hash
+      return <Success title="Comment Published">
+        <Link className="button button-primary" to={url}>View</Link>
+      </Success>
+    } else {
+      return <div>
+        <textarea className="u-full-width" id="text" value={this.state.text} onChange={this.handleChange} placeholder="Speak your mind! Markdown is supported." />
+        <p><b>Note</b>: this version of the app doesn't check wether you are allowed to post on this board, so there are no guarantees that your post will be visible.</p>
+        <div className="buttons">
+          <button className="button button-primary" onClick={this.save}>Send</button>
+        </div>
+      </div>
+    }
+  }
+})
 
 var Comment = React.createClass({
   getInitialState () {
@@ -29,7 +85,10 @@ var Comment = React.createClass({
     }
   },
   getComments () {
-    return <Comments className="shifted" parent={this.props.comment.hash} post={this.props.post} adminID={this.props.adminID} board={this.props.board} api={this.props.api} />
+    return <Comments className="shifted" allowReply={this.props.allowReply} parent={this.props.comment.hash} post={this.props.post} adminID={this.props.adminID} board={this.props.board} api={this.props.api} />
+  },
+  toggleReply () {
+    this.setState({ reply: !this.state.reply })
   },
   render () {
     if (this.props.comment) {
@@ -38,9 +97,15 @@ var Comment = React.createClass({
           <UserID id={this.props.comment.op} api={this.props.api} />
           <Clock date={this.props.comment.date} />
           {this.getPermalink()}
+          { this.props.allowReply
+          ? <a className="nounderline" onClick={this.toggleReply}><Icon className="not-first" name="reply" /> Reply</a>
+          : <a/> }
           {this.getParentlink()}
         </div>
         <Markdown source={this.props.comment.text} />
+        { this.state.reply
+        ? <CommentEditor parent={this.props.comment.hash} post={this.props.post} api={this.props.api} adminID={this.props.adminID} board={this.props.board} />
+        : <div/>}
       <hr/>{this.getComments()}</div>
     } else {
       return <div><hr/>Invalid Comment<hr/></div>
@@ -56,7 +121,7 @@ var Comments = React.createClass({
     if (this.props.api) this.init(this.props.api)
   },
   componentWillReceiveProps (props) {
-    if (props.api) this.init(props.api)
+    if (props.api !== this.props.api) this.init(props.api)
   },
   init (boards) {
     boards.getEventEmitter().on('comment for ' + this.props.parent, cmnt => {
@@ -76,7 +141,7 @@ var Comments = React.createClass({
   },
   getComments () {
     if (this.state.comments.length > 0) {
-      return this.state.comments.map(cmnt => (<Comment key={cmnt.hash} comment={cmnt} post={this.props.post} adminID={this.props.adminID} board={this.props.board} api={this.props.api} />))
+      return this.state.comments.map(cmnt => (<Comment allowReply={this.props.allowReply} key={cmnt.hash} comment={cmnt} post={this.props.post} adminID={this.props.adminID} board={this.props.board} api={this.props.api} />))
     } else return <div></div>
   },
   render () {
@@ -90,4 +155,4 @@ var Comments = React.createClass({
   }
 })
 
-module.exports = { Comment, Comments }
+module.exports = { Comment, Comments, CommentEditor }
diff --git a/webapp/components/post.jsx b/webapp/components/post.jsx
index c887c4a..b73ba9a 100644
--- a/webapp/components/post.jsx
+++ b/webapp/components/post.jsx
@@ -5,7 +5,7 @@ var Link = require('react-router').Link
 var Clock = require('clock.jsx')
 var UserID = require('userID.jsx')
 var { Error } = require('status-components.jsx')
-var Comments = require('comment.jsx').Comments
+var { Comments, CommentEditor } = require('comment.jsx')
 
 module.exports = React.createClass({
   getInitialState () {
@@ -54,6 +54,9 @@ module.exports = React.createClass({
       }
     } else return <span/>
   },
+  toggleReply () {
+    this.setState({ reply: !this.state.reply })
+  },
   getContent () {
     if (this.state.error) {
       return <Error className="content" error={this.state.error} />
@@ -75,6 +78,9 @@ module.exports = React.createClass({
           <UserID id={this.state.post.op} api={this.props.api} ></UserID>
           <Clock className="not-first" date={this.state.post.date} />
           <Icon name="comments" className="not-first" /> <Link className="nounderline" to={this.postLink()}>View</Link>
+          { this.props.allowReply
+          ? <a className="nounderline" onClick={this.toggleReply}><Icon className="not-first" name="reply" /> Reply</a>
+          : <span/>}
           {this.editorLink()}
         </div>
       </div>
@@ -83,7 +89,10 @@ module.exports = React.createClass({
   render () {
     return <div>
       <div className="post">{this.getContent()}</div>
-      <Comments parent={this.props.hash} post={this.props.hash} api={this.props.api} adminID={this.props.adminID} board={this.props.board} />
+      { this.state.reply
+      ? <CommentEditor parent={this.props.hash} api={this.props.api} adminID={this.props.adminID} board={this.props.board} />
+      : <div/>}
+      <Comments allowReply={this.props.allowReply} parent={this.props.hash} post={this.props.hash} api={this.props.api} adminID={this.props.adminID} board={this.props.board} />
     </div>
   }
 })
diff --git a/webapp/pages/commentpage.jsx b/webapp/pages/commentpage.jsx
index 9e302d0..3d3d403 100644
--- a/webapp/pages/commentpage.jsx
+++ b/webapp/pages/commentpage.jsx
@@ -12,7 +12,6 @@ module.exports = function (boardsAPI) {
     },
     componentDidMount: function () {
       boardsAPI.use(boards => {
-        boards.init()
         boards.getEventEmitter().on('init', err => {
           if (!err && this.isMounted()) {
             this.init(boards)
@@ -24,7 +23,9 @@ module.exports = function (boardsAPI) {
       })
     },
     componentWillReceiveProps: function (nextProps) {
-      boardsAPI.use(boards => this.downloadComment(boards, nextProps))
+      if (this.props.params !== nextProps.params) {
+        boardsAPI.use(boards => this.downloadComment(boards, nextProps))
+      }
     },
     downloadComment: function (boards, props) {
       this.setState({ comment: false })
@@ -34,13 +35,18 @@ module.exports = function (boardsAPI) {
             comment: { title: 'Error', text: err.Message || err.Error }
           })
         } else {
-          this.setState({ comment })
+          if (!comment.parent && comment.text) {
+            // Redirect to post page
+            this.props.history.push('/@' + this.props.params.userid + '/' + this.props.params.boardname + '/' + this.props.params.commenthash)
+          } else {
+            this.setState({ comment })
+          }
         }
       })
     },
     init: function (boards) {
       if (this.state.init) return
-      this.setState({ api: true, boards: boards })
+      this.setState({ api: true, boards, canReply: boards.isInit && !boards.limited })
       this.downloadComment(boards, this.props)
     },
     getContext: function () {
@@ -54,7 +60,7 @@ module.exports = function (boardsAPI) {
     },
     showComment: function () {
       if (this.state.comment) {
-        return <Comment comment={this.state.comment} post={this.props.params.posthash} adminID={this.props.params.userid} board={this.props.params.boardname} showParent={true} api={this.state.boards} />
+        return <Comment canReply={this.state.canReply} comment={this.state.comment} post={this.props.params.posthash} adminID={this.props.params.userid} board={this.props.params.boardname} showParent={true} api={this.state.boards} />
       } else {
         return <div className="center-block text-center find-content">
           <Icon name="refresh" className="fa-3x center-block light fa-spin" />
diff --git a/webapp/pages/postpage.jsx b/webapp/pages/postpage.jsx
index 426e900..bf57a85 100644
--- a/webapp/pages/postpage.jsx
+++ b/webapp/pages/postpage.jsx
@@ -11,7 +11,10 @@ module.exports = function (boardsAPI) {
     },
     componentDidMount: function () {
       boardsAPI.use(boards => {
-        this.setState({ api: boards })
+        this.setState({ api: boards, allowReply: boards.isInit && !boards.limited })
+        boards.getEventEmitter().on('init', (err, limited) => {
+          this.setState({ api: boards, allowReply: !err && !limited })
+        })
       })
     },
     getContext: function () {
@@ -29,7 +32,7 @@ module.exports = function (boardsAPI) {
           <div className="text-center">
             {this.getContext()}
           </div>
-          <Post hash={this.props.params.posthash} board={this.props.params.boardname} api={this.state.api} adminID={this.props.params.userid} />
+          <Post allowReply={true} hash={this.props.params.posthash} board={this.props.params.boardname} api={this.state.api} adminID={this.props.params.userid} />
         </div>
       } else {
         return <GetIPFS api={this.state.boards} />
diff --git a/webapp/style.css b/webapp/style.css
index 75046ba..78d3538 100644
--- a/webapp/style.css
+++ b/webapp/style.css
@@ -14,6 +14,7 @@ hr {
 a {
   text-decoration: underline;
   color: #ababab;
+  cursor: pointer;
 }
 
 .nounderline {