1 files changed, 45 insertions, 0 deletions

diff --git a/src/stores/DictionaryStore.js b/src/stores/DictionaryStore.js
new file mode 100644
index 000000000..b9c5f2abf
--- /dev/null
+++ b/src/stores/DictionaryStore.js
@@ -0,0 +1,45 @@
+import { observable } from 'mobx';
+import { createDownloader } from 'hunspell-dict-downloader';
+
+import Store from './lib/Store';
+
+import { DICTIONARY_PATH } from '../config';
+
+const debug = require('debug')('Franz:DictionaryStore');
+
+export default class DictionaryStore extends Store {
+  @observable available = []
+  @observable installed = []
+
+  _dictDownloader = null
+
+  constructor(...args) {
+    super(...args);
+
+    this.registerReactions([
+      this._downloadDictForUserLocale.bind(this),
+    ]);
+  }
+
+  async setup() {
+    this._dictDownloader = await createDownloader(DICTIONARY_PATH);
+    debug('dicts', this._dictDownloader);
+
+    this.available = this._dictDownloader.availableDictionaries;
+    this.installed = this._dictDownloader.installedDictionaries;
+
+    if (!this.installed.includes('en-us')) {
+      this._dictDownloader.installDictionary('en-us');
+    }
+  }
+
+  _downloadDictForUserLocale() {
+    const spellcheckerLanguage = this.stores.settings.app.spellcheckerLanguage;
+
+    debug('trying to Downloading dict for', spellcheckerLanguage);
+    if (!this.installed.includes(spellcheckerLanguage) && this.available.includes(spellcheckerLanguage) && spellcheckerLanguage !== 'en-us') {
+      debug('Downloading dict for', spellcheckerLanguage);
+      this._dictDownloader.installDictionary(spellcheckerLanguage);
+    }
+  }
+}