From e55733c9512980f37ba09f4ca3e85f1106a24377 Mon Sep 17 00:00:00 2001
From: Nishant Arora <na.nishantarora@gmail.com>
Date: Fri, 30 Dec 2016 18:21:12 +0530
Subject: [PATCH] Added article history view page

---
 api/archives.js                       | 58 +++++++++++++++++++++
 client/app/index.jsx                  |  2 +
 client/app/static/article.jsx         |  1 +
 client/app/static/browse_archives.jsx | 75 +++++++++++++++++++++++++++
 client/app/static/history.jsx         | 38 ++++++++++++++
 client/app/static/simple_article.jsx  | 70 +++++++++++++++++++++++++
 index.js                              |  3 ++
 7 files changed, 247 insertions(+)
 create mode 100644 api/archives.js
 create mode 100644 client/app/static/browse_archives.jsx
 create mode 100644 client/app/static/history.jsx
 create mode 100644 client/app/static/simple_article.jsx

diff --git a/api/archives.js b/api/archives.js
new file mode 100644
index 0000000..263f6cc
--- /dev/null
+++ b/api/archives.js
@@ -0,0 +1,58 @@
+/*
+This file contains all endpoints related to archives
+*/
+
+var Articles = require('../models/article.js');
+var Topics = require('../models/topic.js');
+var Archives = require('../models/archive.js');
+var Users = require('../models/user.js');
+
+var db = require('../db.js'); //this file contains the knex file import. it's equal to knex=require('knex')
+
+module.exports =  function(app){
+  app.get('/archives/:id/',function(req,res){
+    /*
+    This is a GET endpoint that responds with one article of the specific ID (identified through the ID param)
+    the article is present in the data object in the returning object.
+    the error key in the returning object is a boolen which is false if there is no error and true otherwise
+    */
+    Archives.forge({id: req.params.id})
+    .fetch()
+      .then(function (archive) {
+        console.log("ARCHIVE=================================");
+        console.log(archive);
+        Users.forge({id: archive.attributes.user_id}).fetch().then(function(user){
+          archiveObj = archive.toJSON();
+          userObj = user.toJSON();
+          archiveObj.user = {
+            id: userObj.id,
+            name: userObj.name,
+            email: userObj.email,
+            about: userObj.about
+          };
+        })
+        .then(function(){
+            res.json({
+              error: {
+                error: false,
+                message: ''
+              },
+              code: 'B113',
+              data: archiveObj
+            });
+        })
+      })
+      .catch(function (error) {
+        res.status(500).json({
+          error: {
+            error: true,
+            message: error.message
+          },
+          code: 'B114',
+          data: {
+
+          }
+        });
+      });
+  });
+}
diff --git a/client/app/index.jsx b/client/app/index.jsx
index dc233e9..5694ecf 100644
--- a/client/app/index.jsx
+++ b/client/app/index.jsx
@@ -10,6 +10,7 @@ import Product from './static/product.jsx';
 import Article from './static/article.jsx';
 import NewArticle from './static/new.jsx';
 import EditArticle from './static/edit.jsx';
+import ArticleHistory from './static/history.jsx';
 
 render(
   <Router history={hashHistory}>
@@ -21,6 +22,7 @@ render(
       <Route path="product" component={Product}/>
       <Route path="article/new" component={NewArticle}/>
       <Route path="article/edit/:articleId" component={EditArticle}/>
+      <Route path="article/history/:articleId" component={ArticleHistory}/>
       <Route path="article/:articleId" component={Article}/>
     </Route>
   </Router>
diff --git a/client/app/static/article.jsx b/client/app/static/article.jsx
index efe4ff2..20e9c24 100644
--- a/client/app/static/article.jsx
+++ b/client/app/static/article.jsx
@@ -85,6 +85,7 @@ class ViewArticle extends React.Component {
             <p>{this.state.article.user.about}</p>
             </div>
             <Link to={'/article/edit/'+this.state.article.id} className="btn btn-default btn-block btn-lg">Edit</Link>
+            <Link to={'/article/history/'+this.state.article.id} className="btn btn-default btn-block btn-lg">History</Link>
           </div>
             </div>
 
diff --git a/client/app/static/browse_archives.jsx b/client/app/static/browse_archives.jsx
new file mode 100644
index 0000000..f69ba19
--- /dev/null
+++ b/client/app/static/browse_archives.jsx
@@ -0,0 +1,75 @@
+import React from 'react';
+import Error from './error.jsx';
+import Loader from './loader.jsx';
+import {hashHistory} from 'react-router';
+
+class BrowseArchives extends React.Component {
+  constructor(props) {
+    super(props);
+    this.archiveSelect = this.archiveSelect.bind(this);
+    this.state = {error: "", archives: []};
+  }
+
+  componentDidMount() {
+    console.log("Component Mounted!");
+    var myHeaders = new Headers({
+        "Content-Type": "application/x-www-form-urlencoded",
+        "x-access-token": localStorage.getItem('userToken')
+    });
+    var myInit = { method: 'GET',
+               headers: myHeaders,
+               };
+    var that = this;
+    var url = '/api/articles/'+this.props.articleId+'/history';
+    fetch(url,myInit)
+    .then(function(response) {
+      console.log(response);
+      return response.json();
+    })
+    .then(function(response) {
+      if(response.error.error)
+        that.setState({error: response.error.message})
+      else {
+        that.setState({archives: response.data})
+        console.log(that.state.archives);
+      }
+      console.log(response);
+    });
+  }
+
+  archiveSelect(id,e) {
+    e.preventDefault();
+    this.props.archiveChange(id)
+  }
+
+
+  render () {
+    if(this.state.error) {
+      return <Error error={this.state.error} />
+    }
+    if(this.state.archives.length<1) {
+      return <Loader />;
+    }
+    else {
+      return(
+        <div className="custom-collapse">
+          <div className="visible-xs">
+        <button className="collapse-toggle btn btn-default" type="button" data-toggle="collapse" data-parent="custom-collapse" data-target="#side-menu-collapse">
+          View Topics
+         </button>
+        <br/>
+        <br/>
+        </div>
+        <div className="list-group collapse" id="side-menu-collapse">
+            {this.state.archives.map(archive => (
+              <a key={archive.id} href="#" className="list-group-item dropdown-toggle" onClick={(e) => this.archiveSelect(archive.id,e)}>
+                <h4 className="list-group-item-heading">{new Date(archive.updated_at).toDateString()}</h4>
+                <p className="list-group-item-text">{archive.what_changed}</p>
+              </a>
+          ))}</div>
+      </div>);
+    }
+  }
+}
+
+export default BrowseArchives;
diff --git a/client/app/static/history.jsx b/client/app/static/history.jsx
new file mode 100644
index 0000000..ddc7595
--- /dev/null
+++ b/client/app/static/history.jsx
@@ -0,0 +1,38 @@
+import React from 'react';
+import {Link} from 'react-router';
+import Loader from './loader.jsx';
+import Error from './error.jsx';
+import BrowseArchives from './browse_archives.jsx';
+import SimpleArticle from './simple_article.jsx';
+var Remarkable = require('remarkable');
+
+class ArticleHistory extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.archiveUpdate = this.archiveUpdate.bind(this);
+    this.state = {archive_id: ""};
+  }
+
+
+  archiveUpdate(id) {
+    this.setState({archive_id: id});
+  }
+
+  render () {
+      return(
+        <div className="row">
+          <div className="col-md-3">
+            <label>Archives</label>
+          <BrowseArchives archiveChange={this.archiveUpdate} articleId={this.props.params.articleId} />
+          </div>
+          <div className="col-md-9">
+            <label>View Article</label>
+          <SimpleArticle archiveId={this.state.archive_id} />
+          </div>
+        </div>
+            );
+  }
+}
+
+export default ArticleHistory;
diff --git a/client/app/static/simple_article.jsx b/client/app/static/simple_article.jsx
new file mode 100644
index 0000000..4c49f25
--- /dev/null
+++ b/client/app/static/simple_article.jsx
@@ -0,0 +1,70 @@
+import React from 'react';
+import {Link} from 'react-router';
+import Loader from './loader.jsx';
+import Error from './error.jsx';
+var Remarkable = require('remarkable');
+
+class SimpleArticle extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {error: "", article: {}};
+  }
+
+  componentWillReceiveProps(nextProps){
+    var myHeaders = new Headers({
+        "Content-Type": "application/x-www-form-urlencoded",
+        "x-access-token": localStorage.getItem('userToken')
+    });
+    var myInit = { method: 'GET',
+               headers: myHeaders,
+               };
+    var that = this;
+    fetch('/api/archives/'+nextProps.archiveId,myInit)
+    .then(function(response) {
+      console.log(response);
+      return response.json();
+    })
+    .then(function(response) {
+      if(response.error.error)
+        that.setState({error: response.error.message})
+      else {
+        that.setState({article: response.data})
+      }
+      console.log(response);
+    });
+  }
+
+  getRawMarkupBody() {
+    var md = new Remarkable();
+    return { __html: md.render(this.state.article.body) };
+  }
+
+
+  render () {
+    if(this.state.error) {
+      return <Error error={this.state.error} />
+    }
+    if(this.state.article && this.state.article.user) {
+      return(<div className="row">
+          <div className="col-md-12">
+            <div className="article-heading">
+                <h1 className="single-article-title">{this.state.article.title}
+                </h1>
+                <div className="single-article-meta">
+                  Edited by <b>{this.state.article.user.name}</b>
+              </div>
+            </div>
+            <div className="single-article-body"
+              dangerouslySetInnerHTML={this.getRawMarkupBody()}>
+            </div>
+          </div>
+          </div>
+            );
+    }
+    else {
+      return <center><p className="help-block">Please select the archive</p></center>;
+    }
+  }
+}
+
+export default SimpleArticle;
diff --git a/index.js b/index.js
index f3bbee6..20bf3ab 100644
--- a/index.js
+++ b/index.js
@@ -83,6 +83,9 @@ require('./api/topics')(apiRoutes);
 // Importing all endpoints for users
 require('./api/users')(apiRoutes);
 
+// Importing all endpoints for archives
+require('./api/archives')(apiRoutes);
+
 app.use('/api', apiRoutes);
 
 app.use(express.static(__dirname + '/client'));