Added storage section

templates/demo/app/components/storage.js

@@ -0,0 +1,174 @@
+import EmbarkJS from 'Embark/EmbarkJS';
+import React from 'react';
+import { Alert, Form, FormGroup, FormControl, HelpBlock, Button } from 'react-bootstrap';
+ 
+class Storage extends React.Component {
+
+    constructor(props) {
+      super(props);
+      
+      this.state = {
+          textToSave: 'hello world!',
+          generatedHash: '',
+          loadText: '',
+          storedText: '',
+          fileToUpload: null,
+          fileHash: '',
+          imageToDownload: '',
+          url: '',
+          logs: []
+      };
+
+      this.setText = this.setText.bind(this);
+      this.loadHash = this.loadHash.bind(this);
+      this.uploadFile = this.uploadFile.bind(this);
+      this.handleFileUpload = this.handleFileUpload.bind(this);
+      this.loadFile = this.loadFile.bind(this);
+    }
+
+    handleChange(e, name){
+        this.state[name] = e.target.value;
+        this.setState(this.state);
+    }
+
+    handleFileUpload(e){
+        this.setState({ fileToUpload: [e.target] });
+    }
+
+    _addToLog(txt){
+        this.state.logs.push(txt);
+        this.setState({logs: this.state.logs});
+    }
+
+    setText(e){
+        e.preventDefault();
+        
+        let _this = this;
+
+        EmbarkJS.Storage.saveText(this.state.textToSave)
+            .then(function(hash) {
+                _this.setState({
+                    generatedHash: hash,
+                    loadText: hash
+                });
+                _this._addToLog("EmbarkJS.Storage.saveText('" + _this.state.textToSave + "').then(function(hash) { })");
+                })
+            .catch(function(err) {
+                if(err){
+                    console.log("Storage saveText Error => " + err.message);
+                }
+            });
+    }
+
+    loadHash(e){
+        e.preventDefault();
+
+        let _this = this;
+
+        EmbarkJS.Storage.get(this.state.loadText)
+            .then(function(content) {
+                _this.setState({storedText: content});
+                _this._addToLog("EmbarkJS.Storage.get('" + _this.state.loadText + "').then(function(content) { })");
+            })
+            .catch(function(err) {
+                if(err){
+                    console.log("Storage get Error => " + err.message);
+                }
+            });
+    }
+
+    uploadFile(e){
+        e.preventDefault();
+
+        let _this = this;
+
+        EmbarkJS.Storage.uploadFile(this.state.fileToUpload)
+            .then(function(hash) {
+                _this.setState({
+                    fileHash: hash,
+                    imageToDownload: hash
+                });
+                _this._addToLog("EmbarkJS.Storage.uploadFile(this.state.fileToUpload).then(function(hash) { })");
+                })
+            .catch(function(err) {
+                if(err){
+                    console.log("Storage uploadFile Error => " + err.message);
+                }
+            });
+    }
+
+    loadFile(e){
+        let _url = EmbarkJS.Storage.getUrl(this.state.imageToDownload);
+        this.setState({url: _url})
+        this._addToLog("EmbarkJS.Storage.getUrl('" + this.state.imageToDownload + "')");
+    }
+
+    render(){
+        return <React.Fragment>
+            {
+                !this.props.enabled ?
+                <React.Fragment>
+                <Alert bsStyle="warning">The node you are using does not support IPFS. Please ensure <a href="https://github.com/ipfs/js-ipfs-api#cors" target="_blank">CORS</a> is setup for the IPFS node.</Alert>
+                </React.Fragment> : ''
+            }
+
+            <h3>Save text to storage</h3>
+            <Form inline>
+                <FormGroup>
+                    <FormControl
+                        type="text"
+                        defaultValue={this.state.textToSave}
+                        onChange={e => this.handleChange(e, 'textToSave')} />
+                    <Button bsStyle="primary" onClick={this.setText}>Save Text</Button>
+                    <HelpBlock>generated Hash: <span className="textHash">{this.state.generatedHash}</span></HelpBlock>
+                </FormGroup>
+            </Form> 
+            
+            <h3>Load text from storage given an hash</h3>
+            <Form inline>
+                <FormGroup>
+                    <FormControl
+                        type="text"
+                        value={this.state.loadText}
+                        onChange={e => this.handleChange(e, 'loadText')} />
+                    <Button bsStyle="primary" onClick={this.loadHash}>Load</Button>
+                    <HelpBlock>result: <span className="textHash">{this.state.storedText}</span></HelpBlock>
+                </FormGroup>
+            </Form>
+
+            <h3>Upload file to storage</h3>
+            <Form inline>
+                <FormGroup>
+                    <FormControl
+                        type="file"
+                        onChange={this.handleFileUpload} />
+                    <Button bsStyle="primary" onClick={this.uploadFile}>Upload</Button>
+                    <HelpBlock>generated hash: <span className="fileHash">{this.state.fileHash}</span></HelpBlock>
+                </FormGroup>
+            </Form>
+        
+            <h3>Get file or image from storage</h3>
+            <Form inline>
+                <FormGroup>
+                    <FormControl
+                        type="text"
+                        value={this.state.imageToDownload}
+                        onChange={e => this.handleChange(e, 'imageToDownload')} />
+                    <Button bsStyle="primary" onClick={this.loadFile}>Download</Button>
+                    <HelpBlock>file available at: <span><a href={this.state.url} target="_blank">{this.state.url}</a></span></HelpBlock>
+                    <HelpBlock><img src={this.state.url} /></HelpBlock>
+                </FormGroup>
+            </Form>
+
+            <p>Javascript calls being made: </p>
+            <div className="logs">
+            <p>EmbarkJS.Storage.setProvider('ipfs',{'{'}server: 'localhost', port: '5001'{'}'})</p>
+            {
+                this.state.logs.map((item, i) => <p key={i}>{item}</p>)
+            }
+            </div>
+        </React.Fragment>;
+    }
+}
+
+export default Storage;

templates/demo/app/dapp.js

@@ -5,6 +5,7 @@ import { Tabs, Tab } from 'react-bootstrap';
 import EmbarkJS from 'Embark/EmbarkJS';
 import Blockchain from './components/blockchain';
 import Whisper from './components/whisper';
+import Storage from './components/storage';
 
 import './dapp.css';
 
@@ -14,14 +15,16 @@ class App extends React.Component {
     super(props);
 
     this.state = {
-      whisperEnabled: false
+      whisperEnabled: false,
+      storageEnabled: false
     }
   }
 
   componentDidMount(){ 
-    // TODO Verify if whisper & swarm are available
+    // TODO Verify if whisper & swarm/ipfs are available
     this.setState({
-      whisperEnabled: false
+      whisperEnabled: false,
+      storageEnabled: false
     });
   }
 
@@ -40,8 +43,8 @@ class App extends React.Component {
         <Tab eventKey={1} title="Blockchain">
           <Blockchain />
         </Tab>
-        <Tab eventKey={2} title="Decentralized Storage (IPFS)">
+        <Tab eventKey={2} title={this._renderStatus('Decentralized Storage', this.state.storageEnabled)}>
-          Tab 2 content
+          <Storage />
         </Tab>
         <Tab eventKey={3} title={this._renderStatus('P2P communication (Whisper/Orbit)', this.state.whisperEnabled)}>
           <Whisper enabled={this.state.whisperEnabled} />