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

browser/components/CodeEditor.js

@@ -2,6 +2,7 @@ import React, { PropTypes } from 'react'
 import _ from 'lodash'
 import CodeMirror from 'codemirror'
 import path from 'path'
+import copyImage from 'browser/main/lib/dataApi/copyImage'
 
 CodeMirror.modeURL = '../node_modules/codemirror/mode/%N/%N.js'
 
@@ -168,13 +169,16 @@ export default class CodeEditor extends React.Component {
     e.preventDefault()
     const imagePath = e.dataTransfer.files[0].path
     const filename = path.basename(imagePath)
-    const imageMd = `![${encodeURI(filename)}](${encodeURI(imagePath)})`
-    this.insertImage(imageMd)
+
+    copyImage(imagePath, this.props.storageKey).then((imagePathInTheStorage) => {
+      const imageMd = `![${encodeURI(filename)}](${imagePathInTheStorage})`
+      this.insertImageMd(imageMd)
+    })
   }
 
-  insertImage (imageMd) {
-    const textarea = this.editor.getInputField()
-    textarea.value = textarea.value.substr(0, textarea.selectionStart) + imageMd + textarea.value.substr(textarea.selectionEnd)
+  insertImageMd (imageMd) {
+    const cm = this.editor
+    cm.setValue(cm.getValue() + imageMd)
   }
 
   render () {

browser/components/MarkdownEditor.js

@@ -180,7 +180,7 @@ class MarkdownEditor extends React.Component {
   }
 
   render () {
-    let { className, value, config } = this.props
+    let { className, value, config, storageKey } = this.props
 
     let editorFontSize = parseInt(config.editor.fontSize, 10)
     if (!(editorFontSize > 0 && editorFontSize < 101)) editorFontSize = 14
@@ -210,6 +210,7 @@ class MarkdownEditor extends React.Component {
           fontSize={editorFontSize}
           indentType={config.editor.indentType}
           indentSize={editorIndentSize}
+          storageKey={storageKey}
           onChange={(e) => this.handleChange(e)}
           onBlur={(e) => this.handleBlur(e)}
         />

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 +1,32 @@
+const fs = require('fs')
+const path = require('path')
+const _ = require('lodash')
+const sander = require('sander')
+
+/**
+ * @description To copy an image and return the path.
+ * @param {String} filePath
+ * @param {String} storageKey
+ * @return {String} an image path
+ */
+function copyImage (filePath, storageKey) {
+  return new Promise((resolve, reject) => {
+    try {
+      const cachedStorageList = JSON.parse(localStorage.getItem('storages'))
+      if (!_.isArray(cachedStorageList)) throw new Error('Target storage doesn\'t exist.')
+      const storage = _.find(cachedStorageList, {key: storageKey})
+      if (storage === undefined) throw new Error('Target storage doesn\'t exist.')
+      const targetStorage = storage
+
+      const inputImage = fs.createReadStream(filePath)
+      const imageName = path.basename(filePath)
+      const outputImage = fs.createWriteStream(path.join(targetStorage.path, 'images', imageName))
+      inputImage.pipe(outputImage)
+      resolve(`${encodeURI(targetStorage.path)}/images/${encodeURI(imageName)}`)
+    } catch (e) {
+      return reject(e)
+    }
+  })
+}
+
+module.exports = copyImage