import error handling

src/public/javascripts/dialogs/import.js

@@ -63,6 +63,12 @@ function importIntoNote(importNoteId) {
 }
 
 messagingService.subscribeToMessages(async message => {
+    if (message.type === 'import-error') {
+        infoService.showError(message.message);
+        $dialog.modal('hide');
+        return;
+    }
+
     if (!message.importId || message.importId !== importId) {
         // incoming messages must correspond to this import instance
         return;

src/routes/api/import.js

@@ -9,6 +9,7 @@ const messagingService = require('../../services/messaging');
 const cls = require('../../services/cls');
 const path = require('path');
 const noteCacheService = require('../../services/note_cache');
+const log = require('../../services/log');
 
 class ImportContext {
     constructor(importId) {
@@ -40,6 +41,14 @@ class ImportContext {
             noteId: noteId
         });
     }
+
+    // must remaing static
+    async reportError(message) {
+        await messagingService.sendMessageToAllClients({
+            type: 'import-error',
+            message: message
+        });
+    }
 }
 
 async function importToBranch(req) {
@@ -66,24 +75,29 @@ async function importToBranch(req) {
 
     const importContext = new ImportContext(importId);
 
+    try {
         if (extension === '.tar') {
             note = await tarImportService.importTar(importContext, file.buffer, parentNote);
-    }
-    else if (extension === '.opml') {
+        } else if (extension === '.opml') {
             note = await opmlImportService.importOpml(importContext, file.buffer, parentNote);
-    }
-    else if (extension === '.md') {
+        } else if (extension === '.md') {
             note = await singleImportService.importMarkdown(importContext, file, parentNote);
-    }
-    else if (extension === '.html' || extension === '.htm') {
+        } else if (extension === '.html' || extension === '.htm') {
             note = await singleImportService.importHtml(importContext, file, parentNote);
-    }
-    else if (extension === '.enex') {
+        } else if (extension === '.enex') {
             note = await enexImportService.importEnex(importContext, file, parentNote);
-    }
-    else {
+        } else {
             return [400, `Unrecognized extension ${extension}, must be .tar or .opml`];
         }
+    }
+    catch (e) {
+        const message = "Import failed with following error: '" + e.message + "'. More details might be in the logs.";
+        importContext.reportError(message);
+
+        log.error(message + e.stack);
+
+        return [500, message];
+    }
 
     // import has deactivated note events so note cache is not updated
     // instead we force it to reload (can be async)

src/services/import/tar.js

@@ -24,7 +24,7 @@ let lastSentCountTs = Date.now();
  */
 async function importTar(importContext, fileBuffer, importRootNote) {
     importNoteCount = 0;
-
+    throw new Error("Hello");
     // maps from original noteId (in tar file) to newly generated noteId
     const noteIdMap = {};
     const attributes = [];