Add dataApi.copyImage for copying image to boostnote storage on an image to boostnote storage on an image doropped into CodeEditor

browser/main/Detail/MarkdownNoteDetail.js

@@ -292,6 +292,7 @@ class MarkdownNoteDetail extends React.Component {
             styleName='body-noteEditor'
             config={config}
             value={this.state.note.content}
+            storageKey={this.state.note.storage}
             onChange={(e) => this.handleChange(e)}
             ignorePreviewPointerEvents={this.props.ignorePreviewPointerEvents}
           />

browser/main/lib/dataApi/copyImage.js

@@ -0,0 +1,27 @@
+const fs = require('fs')
+const path = require('path')
+const _ = require('lodash')
+const sander = require('sander')
+
+function copyImage (filePath, storageKey) {
+  let targetStorage
+  try {
+    let cachedStorageList = JSON.parse(localStorage.getItem('storages'))
+    if (!_.isArray(cachedStorageList)) throw new Error('Target storage doesn\'t exist.')
+
+    targetStorage = _.find(cachedStorageList, {key: storageKey})
+    if (targetStorage == null) throw new Error('Target storage doesn\'t exist.')
+  } catch (e) {
+    return Promise.reject(e)
+  }
+
+  //return resolveStorageData(targetStorage)
+
+  const inputImage = fs.createReadStream(filePath)
+  const imageName = path.basename(filePath)
+  sander.mkdirSync(`${targetStorage.path}/images`)
+  const outputImage = fs.createWriteStream(path.join(targetStorage.path, 'images', imageName))
+  inputImage.pipe(outputImage)
+}
+
+module.exports = copyImage