Add exporting to CSV (#2147)

js/package.json

@@ -115,6 +115,7 @@
     "geopattern": "^1.2.3",
     "isomorphic-fetch": "^2.2.1",
     "js-sha3": "^0.5.2",
+    "json2csv": "^3.7.1",
     "lodash": "^4.11.1",
     "marked": "^0.3.6",
     "material-ui": "^0.16.1",

js/src/ui/Actionbar/Export/export.js

@@ -15,7 +15,11 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 import React, { Component, PropTypes } from 'react';
+import IconMenu from 'material-ui/IconMenu';
+import MenuItem from 'material-ui/MenuItem';
+
 import FileSaver from 'file-saver';
+import json2csv from 'json2csv';
 import FileDownloadIcon from 'material-ui/svg-icons/file/file-download';
 
 import { Button } from '../../';
@@ -30,27 +34,87 @@ class ActionbarExport extends Component {
     className: PropTypes.string
   }
 
+  state = {
+    menuOpen: false
+  }
+
   render () {
     const { className } = this.props;
 
     return (
-      <Button
-        className={ className }
-        icon={ <FileDownloadIcon /> }
-        label='export'
-        onClick={ this.onDownloadBackup } />
+      <IconMenu
+        iconButtonElement={
+          <Button
+            className={ className }
+            icon={ <FileDownloadIcon /> }
+            label='export'
+            onClick={ this.handleMenuOpen }
+          />
+        }
+        open={ this.state.menuOpen }
+        onRequestChange={ this.handleMenuChange }
+        onItemTouchTap={ this.handleExport }
+        targetOrigin={ { horizontal: 'right', vertical: 'top' } }
+        anchorOrigin={ { horizontal: 'right', vertical: 'top' } }
+        >
+        <MenuItem value='json' primaryText='Export to JSON' />
+        <MenuItem value='csv' primaryText='Export to CSV' />
+      </IconMenu>
     );
   }
 
-  onDownloadBackup = () => {
+  onDownloadBackup = (filetype) => {
     const { filename, content } = this.props;
 
-    const text = (typeof content === 'string')
-      ? content
-      : JSON.stringify(content, null, 4);
+    const text = this.contentAsString(content, filetype);
+    const extension = this.getExtension(filetype);
 
     const blob = new Blob([ text ], { type: 'text/plain;charset=utf-8' });
-    FileSaver.saveAs(blob, filename);
+    FileSaver.saveAs(blob, `${filename}.${extension}`);
+  }
+
+  getExtension = (filetype) => {
+    switch (filetype) {
+      case 'json':
+      case 'csv':
+        return filetype;
+      default:
+        return 'txt';
+    }
+  }
+
+  contentAsString = (data, filetype) => {
+    if (typeof data === 'string') {
+      return data;
+    }
+
+    switch (filetype) {
+      case 'json':
+        return JSON.stringify(data, null, 4);
+      case 'csv':
+        return this.toCSV(data);
+      default:
+        return data.toString();
+    }
+  }
+
+  toCSV = (data) => {
+    const json = Object.values(data);
+    console.log(json);
+    return json2csv({ data: json });
+  }
+
+  handleExport = (event, child) => {
+    const type = child.props.value;
+    this.onDownloadBackup(type);
+  }
+
+  handleMenuOpen = () => {
+    this.setState({ menuOpen: true });
+  }
+
+  handleMenuChange = (open) => {
+    this.setState({ menuOpen: open });
   }
 }
 

js/src/views/Accounts/accounts.js

@@ -108,7 +108,7 @@ class Accounts extends Component {
       <ActionbarExport
         key='exportAccounts'
         content={ accounts }
-        filename='accounts.json' />,
+        filename='accounts' />,
 
       this.renderSearchButton(),
       this.renderSortButton()

js/src/views/Addresses/addresses.js

@@ -105,7 +105,7 @@ class Addresses extends Component {
       <ActionbarExport
         key='exportAddressbook'
         content={ contacts }
-        filename='addressbook.json' />,
+        filename='addressbook' />,
 
       this.renderSearchButton(),
       this.renderSortButton()