6 files changed, 36 insertions, 42 deletions
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index c5173a2e..d454aa22 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -117,7 +117,10 @@ class Backend {
             ['logIndicatorClear', {handler: this._onApiLogIndicatorClear.bind(this), async: false}],
             ['createActionPort', {handler: this._onApiCreateActionPort.bind(this), async: false}]
         ]);
-        this._messageHandlersWithProgress = new Map();
+        this._messageHandlersWithProgress = new Map([
+            ['importDictionaryArchive', {handler: this._onApiImportDictionaryArchive.bind(this), async: true}],
+            ['deleteDictionary', {handler: this._onApiDeleteDictionary.bind(this), async: true}]
+        ]);
 
         this._commandHandlers = new Map([
             ['search', this._onCommandSearch.bind(this)],
@@ -771,7 +774,8 @@ class Backend {
 
     async _onApiPurgeDatabase(params, sender) {
         this._validatePrivilegedMessageSender(sender);
-        return await this.translator.purgeDatabase();
+        this.translator.clearDatabaseCaches();
+        await this.database.purge();
     }
 
     async _onApiGetMedia({targets}) {
@@ -814,12 +818,23 @@ class Backend {
         return portName;
     }
 
+    async _onApiImportDictionaryArchive({archiveContent, details}, sender, onProgress) {
+        this._validatePrivilegedMessageSender(sender);
+        return await this.dictionaryImporter.import(this.database, archiveContent, details, onProgress);
+    }
+
+    async _onApiDeleteDictionary({dictionaryName}, sender, onProgress) {
+        this._validatePrivilegedMessageSender(sender);
+        this.translator.clearDatabaseCaches();
+        await this.database.deleteDictionary(dictionaryName, {rate: 1000}, onProgress);
+    }
+
     // Command handlers
 
     _createActionListenerPort(port, sender, handlers) {
         let hasStarted = false;
 
-        const onProgress = (data) => {
+        const onProgress = (...data) => {
             try {
                 if (port === null) { return; }
                 port.postMessage({type: 'progress', data});
@@ -847,7 +862,7 @@ class Backend {
                 port.postMessage({type: 'complete', data: result});
             } catch (e) {
                 if (port !== null) {
-                    port.postMessage({type: 'error', data: e});
+                    port.postMessage({type: 'error', data: errorToJson(e)});
                 }
                 cleanup();
             }
diff --git a/ext/bg/js/database.js b/ext/bg/js/database.js
index a94aa720..930cd0d0 100644
--- a/ext/bg/js/database.js
+++ b/ext/bg/js/database.js
@@ -129,7 +129,7 @@ class Database {
         await this.prepare();
     }
 
-    async deleteDictionary(dictionaryName, onProgress, progressSettings) {
+    async deleteDictionary(dictionaryName, progressSettings, onProgress) {
         this._validate();
 
         const targets = [
diff --git a/ext/bg/js/dictionary-importer.js b/ext/bg/js/dictionary-importer.js
index 3727f7ee..10e30cec 100644
--- a/ext/bg/js/dictionary-importer.js
+++ b/ext/bg/js/dictionary-importer.js
@@ -27,7 +27,7 @@ class DictionaryImporter {
         this._schemas = new Map();
     }
 
-    async import(database, archiveSource, onProgress, details) {
+    async import(database, archiveSource, details, onProgress) {
         if (!database) {
             throw new Error('Invalid database');
         }
diff --git a/ext/bg/js/settings/dictionaries.js b/ext/bg/js/settings/dictionaries.js
index 50add4c7..632c01ea 100644
--- a/ext/bg/js/settings/dictionaries.js
+++ b/ext/bg/js/settings/dictionaries.js
@@ -17,8 +17,10 @@
 
 /* global
  * PageExitPrevention
+ * apiDeleteDictionary
  * apiGetDictionaryCounts
  * apiGetDictionaryInfo
+ * apiImportDictionaryArchive
  * apiOptionsGet
  * apiOptionsGetFull
  * apiPurgeDatabase
@@ -29,8 +31,6 @@
  * storageEstimate
  * storageUpdateStats
  * utilBackgroundIsolate
- * utilDatabaseDeleteDictionary
- * utilDatabaseImport
  */
 
 let dictionaryUI = null;
@@ -312,7 +312,7 @@ class SettingsDictionaryEntryUI {
                 progressBar.style.width = `${percent}%`;
             };
 
-            await utilDatabaseDeleteDictionary(this.dictionaryInfo.title, onProgress, {rate: 1000});
+            await apiDeleteDictionary(this.dictionaryInfo.title, onProgress);
         } catch (e) {
             dictionaryErrorsShow([e]);
         } finally {
@@ -679,7 +679,8 @@ async function onDictionaryImport(e) {
                 dictImportInfo.textContent = `(${i + 1} of ${ii})`;
             }
 
-            const {result, errors} = await utilDatabaseImport(files[i], updateProgress, importDetails);
+            const archiveContent = await dictReadFile(files[i]);
+            const {result, errors} = await apiImportDictionaryArchive(archiveContent, importDetails, updateProgress);
             for (const {options} of toIterable((await getOptionsFullMutable()).profiles)) {
                 const dictionaryOptions = SettingsDictionaryListUI.createDictionaryOptions();
                 dictionaryOptions.enabled = true;
@@ -713,6 +714,15 @@ async function onDictionaryImport(e) {
     }
 }
 
+function dictReadFile(file) {
+    return new Promise((resolve, reject) => {
+        const reader = new FileReader();
+        reader.onload = () => resolve(reader.result);
+        reader.onerror = () => reject(reader.error);
+        reader.readAsBinaryString(file);
+    });
+}
+
 
 async function onDatabaseEnablePrefixWildcardSearchesChanged(e) {
     const optionsFull = await getOptionsFullMutable();
diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index 8708e4d8..3fd329d1 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -45,14 +45,8 @@ class Translator {
         this.deinflector = new Deinflector(reasons);
     }
 
-    async purgeDatabase() {
+    clearDatabaseCaches() {
         this.tagCache.clear();
-        await this.database.purge();
-    }
-
-    async deleteDictionary(dictionaryName) {
-        this.tagCache.clear();
-        await this.database.deleteDictionary(dictionaryName);
     }
 
     async getSequencedDefinitions(definitions, mainDictionary) {
diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index d2fb0e49..8f86e47a 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -66,31 +66,6 @@ function utilBackend() {
     return backend;
 }
 
-async function utilDatabaseDeleteDictionary(dictionaryName, onProgress) {
-    return utilIsolate(await utilBackend().translator.database.deleteDictionary(
-        utilBackgroundIsolate(dictionaryName),
-        utilBackgroundFunctionIsolate(onProgress)
-    ));
-}
-
-async function utilDatabaseImport(data, onProgress, details) {
-    data = await utilReadFile(data);
-    return utilIsolate(await utilBackend().importDictionary(
-        utilBackgroundIsolate(data),
-        utilBackgroundFunctionIsolate(onProgress),
-        utilBackgroundIsolate(details)
-    ));
-}
-
-function utilReadFile(file) {
-    return new Promise((resolve, reject) => {
-        const reader = new FileReader();
-        reader.onload = () => resolve(reader.result);
-        reader.onerror = () => reject(reader.error);
-        reader.readAsBinaryString(file);
-    });
-}
-
 function utilReadFileArrayBuffer(file) {
     return new Promise((resolve, reject) => {
         const reader = new FileReader();