Create a seperate function to handle csv downloads from dashboard cells

ui/spec/shared/parsing/resultsToCSVSpec.js

@@ -1,4 +1,4 @@
-import resultsToCSV, {formatDate} from 'shared/parsing/resultsToCSV'
+import {resultsToCSV, formatDate} from 'shared/parsing/resultsToCSV'
 
 describe('formatDate', () => {
   it('converts timestamp to an excel compatible date string', () => {

ui/src/data_explorer/components/VisHeader.js

@@ -3,7 +3,7 @@ import classnames from 'classnames'
 import _ from 'lodash'
 
 import {fetchTimeSeriesAsync} from 'shared/actions/timeSeries'
-import resultsToCSV from 'src/shared/parsing/resultsToCSV.js'
+import {resultsToCSV} from 'src/shared/parsing/resultsToCSV.js'
 import download from 'src/external/download.js'
 
 const getCSV = (query, errorThrown) => async () => {

ui/src/shared/components/LayoutCell.js

@@ -5,6 +5,9 @@ import LayoutCellMenu from 'shared/components/LayoutCellMenu'
 import LayoutCellHeader from 'shared/components/LayoutCellHeader'
 import {fetchTimeSeriesAsync} from 'shared/actions/timeSeries'
 import {removeUnselectedTemplateValues} from 'src/dashboards/constants'
+import {errorThrown} from 'shared/actions/errors'
+import {dashboardtoCSV} from 'shared/parsing/resultsToCSV'
+import download from 'src/external/download.js'
 
 class LayoutCell extends Component {
   constructor(props) {
@@ -32,17 +35,12 @@ class LayoutCell extends Component {
     this.props.onSummonOverlayTechnologies(cell)
   }
 
-  handleDataDownload = cell => async () => {
-    console.log(cell.name)
-    const qs = this.props.queries
-    const templates = this.props.templates
-    const resolution = 740
+  handleCSVDownload = cell => () => {
+    const {queries, templates} = this.props
+    const joined_name = cell.name.split(' ').join('_')
+    const resolution = undefined // TODO
 
-    if (!qs.length) {
-      console.log('empty!') // TODO
-    }
-
-    const timeSeriesPromises = qs.map(query => {
+    const timeSeriesPromises = queries.map(query => {
       const {host, database, rp} = query
       const templatesWithResolution = templates.map(temp => {
         if (temp.tempVar === ':interval:') {
@@ -62,10 +60,16 @@ class LayoutCell extends Component {
         resolution,
       })
     })
-    Promise.all(timeSeriesPromises).then(timeSeries => {
-      console.log('zomG successfull')
-      const newSeries = timeSeries.map(response => ({response}))
-      console.log(newSeries)
+
+    Promise.all(timeSeriesPromises).then(results => {
+      console.log(results)
+      const CSVString = dashboardtoCSV(results)
+      try {
+        download(CSVString, `${joined_name}.csv`, 'text/plain')
+      } catch (error) {
+        errorThrown(error, 'Unable to download .csv file')
+        console.error(error)
+      }
     })
   }
 
@@ -79,13 +83,14 @@ class LayoutCell extends Component {
       <div className="dash-graph">
         <LayoutCellMenu
           cell={cell}
+          queriesExist={queries.length}
           isDeleting={isDeleting}
           isEditable={isEditable}
           onDelete={this.handleDeleteCell}
           onEdit={this.handleSummonOverlay}
           handleClickOutside={this.closeMenu}
           onDeleteClick={this.handleDeleteClick}
-          onDataDownload={this.handleDataDownload}
+          onCSVDownload={this.handleCSVDownload}
         />
         <LayoutCellHeader
           queries={queries}

ui/src/shared/components/LayoutCellMenu.js

@@ -2,7 +2,15 @@ import React, {PropTypes} from 'react'
 import OnClickOutside from 'react-onclickoutside'
 
 const LayoutCellMenu = OnClickOutside(
-  ({isDeleting, onEdit, onDeleteClick, onDelete, onDataDownload, cell}) =>
+  ({
+    isDeleting,
+    onEdit,
+    onDeleteClick,
+    onDelete,
+    onCSVDownload,
+    queriesExist,
+    cell,
+  }) =>
     <div
       className={
         isDeleting
@@ -13,12 +21,14 @@ const LayoutCellMenu = OnClickOutside(
       <div className="dash-graph-context--button" onClick={onEdit(cell)}>
         <span className="icon pencil" />
       </div>
-      <div
-        className="dash-graph-context--button"
-        onClick={onDataDownload(cell)}
-      >
-        <span className="icon download" />
-      </div>
+      {queriesExist
+        ? <div
+            className="dash-graph-context--button"
+            onClick={onCSVDownload(cell)}
+          >
+            <span className="icon download" />
+          </div>
+        : null}
       {isDeleting
         ? <div className="dash-graph-context--button active">
             <span className="icon trash" />

ui/src/shared/parsing/resultsToCSV.js

@@ -4,7 +4,7 @@ import moment from 'moment'
 export const formatDate = timestamp =>
   moment(timestamp).format('M/D/YYYY h:mm:ss A')
 
-const resultsToCSV = results => {
+export const resultsToCSV = results => {
   if (!_.get(results, ['0', 'series', '0'])) {
     return {flag: 'no_data', name: '', CSVString: ''}
   }
@@ -30,4 +30,24 @@ const resultsToCSV = results => {
   return {flag: 'ok', name, CSVString}
 }
 
-export default resultsToCSV
+export const dashboardtoCSV = data => {
+  const columnNames = _.flatten(
+    data.map(r => _.get(r, 'results[0].series[0].columns')) // TODO default?
+  )
+  const timeIndices = columnNames
+    .map((e, i) => (e === 'time' ? i : -1))
+    .filter(e => e >= 0)
+
+  let values = data.map(r => _.get(r, 'results[0].series[0].values')) // TODO default?
+  values = _.unzip(values).map(v => _.flatten(v))
+  if (timeIndices) {
+    values.map(v => {
+      timeIndices.forEach(i => (v[i] = formatDate(v[i])))
+      return v
+    })
+  }
+  const CSVString = [columnNames.join(',')]
+    .concat(values.map(v => v.join(',')))
+    .join('\n')
+  return CSVString
+}