Add SimplenoteImporter (#975)

* Add SimplenoteImporter

* Cap file size at 1 MB

Will tweak later

* Fix tests

.babelrc

@@ -12,5 +12,10 @@
     "@babel/plugin-proposal-class-properties",
     "@babel/plugin-proposal-object-rest-spread",
     "@babel/plugin-syntax-dynamic-import"
-  ]
+  ],
+  "env": {
+    "test": {
+      "plugins": ["dynamic-import-node"]
+    }
+  }
 }

lib/utils/import/index.js

@@ -65,7 +65,7 @@ class CoreImporter extends EventEmitter {
     this.noteBucket.add(importedNote);
   };
 
-  importNotes = (notes = {}) => {
+  importNotes = (notes = {}, options) => {
     if (isEmpty(notes)) {
       this.emit('status', 'error', 'No notes to import.');
       return;
@@ -80,9 +80,9 @@ class CoreImporter extends EventEmitter {
       return;
     }
 
-    get(notes, 'activeNotes', []).map(note => this.importNote(note));
+    get(notes, 'activeNotes', []).map(note => this.importNote(note, options));
     get(notes, 'trashedNotes', []).map(note =>
-      this.importNote(note, { isTrashed: true })
+      this.importNote(note, { ...options, isTrashed: true })
     );
   };
 }

lib/utils/import/simplenote/index.js

@@ -0,0 +1,59 @@
+import { EventEmitter } from 'events';
+import CoreImporter from '../';
+import { endsWith, isEmpty } from 'lodash';
+
+class SimplenoteImporter extends EventEmitter {
+  constructor({ noteBucket, tagBucket, options }) {
+    super();
+    this.noteBucket = noteBucket;
+    this.tagBucket = tagBucket;
+    this.options = options;
+  }
+
+  importNotes = filesArray => {
+    const coreImporter = new CoreImporter({
+      noteBucket: this.noteBucket,
+      tagBucket: this.tagBucket,
+    });
+
+    if (isEmpty(filesArray)) {
+      this.emit('status', 'error', 'No file to import.');
+      return;
+    }
+
+    const file = filesArray[0];
+
+    if (!endsWith(file.name.toLowerCase(), '.json')) {
+      this.emit('status', 'error', 'File name does not end in ".json".');
+      return;
+    }
+
+    // Limit file size we will read to 1mb
+    if (file.size > 1000000) {
+      this.emit('status', 'error', 'File should be less than 1 MB.');
+      return;
+    }
+
+    const fileReader = new FileReader();
+
+    fileReader.onload = event => {
+      const fileContent = event.target.result;
+
+      if (!fileContent) {
+        this.emit('status', 'error', 'File was empty.');
+        return;
+      }
+
+      const dataObj = JSON.parse(fileContent);
+      const noteCount =
+        dataObj.activeNotes.length + dataObj.trashedNotes.length;
+
+      coreImporter.importNotes(dataObj, this.options);
+      this.emit('status', 'complete', noteCount);
+    };
+
+    fileReader.readAsText(file);
+  };
+}
+
+export default SimplenoteImporter;

package.json

@@ -60,6 +60,7 @@
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "7.2.3",
     "babel-loader": "8.0.0",
+    "babel-plugin-dynamic-import-node": "2.2.0",
     "classnames": "2.2.5",
     "concurrently": "^4.0.1",
     "css-loader": "0.28.9",