fileStorage: add didDeleteFile and didFailToDeleteFile actions

This will allow handling errors if removing a file from storage fails.

src/fileStorage/actions.ts

@@ -78,12 +78,37 @@ export const fileStorageDidFailToWriteFile = createAction(
     }),
 );
 
-/** Request to delete a file from storage. */
+/**
+ * Request to delete a file from storage.
+ * @param fileName The name of the file to delete.
+ */
 export const fileStorageDeleteFile = createAction((fileName: string) => ({
     type: 'fileStorage.action.deleteFile',
     fileName,
 }));
 
+/**
+ * Indicates that fileStorageDeleteFile(fileName) succeeded.
+ * @param fileName The name of the file that was deleted.
+ */
+export const fileStorageDidDeleteFile = createAction((fileName: string) => ({
+    type: 'fileStorage.action.didDeleteFile',
+    fileName,
+}));
+
+/**
+ *  Indicates that fileStorageDeleteFile(fileName) failed.
+ * @param fileName The name of the file that should have been deleted.
+ * @param error The error.
+ */
+export const fileStorageDidFailToDeleteFile = createAction(
+    (fileName: string, error: Error) => ({
+        type: 'fileStorage.action.didFailToDeleteFile',
+        fileName,
+        error,
+    }),
+);
+
 /**
  * Request to export (download) a file.
  * @param fileName The name of the file.

src/fileStorage/sagas.test.ts

@@ -9,6 +9,7 @@ import {
     fileStorageDeleteFile,
     fileStorageDidArchiveAllFiles,
     fileStorageDidChangeItem,
+    fileStorageDidDeleteFile,
     fileStorageDidExportFile,
     fileStorageDidFailToArchiveAllFiles,
     fileStorageDidFailToExportFile,
@@ -127,7 +128,10 @@ it('should delete files', async () => {
     saga.put(fileStorageDeleteFile(testFileName));
 
     const action = await saga.take();
-    expect(action).toEqual(fileStorageDidRemoveItem(testFileName));
+    expect(action).toEqual(fileStorageDidDeleteFile(testFileName));
+
+    const action2 = await saga.take();
+    expect(action2).toEqual(fileStorageDidRemoveItem(testFileName));
 
     await saga.end();
 });

src/fileStorage/sagas.ts

@@ -15,8 +15,10 @@ import {
     fileStorageDeleteFile,
     fileStorageDidArchiveAllFiles,
     fileStorageDidChangeItem,
+    fileStorageDidDeleteFile,
     fileStorageDidExportFile,
     fileStorageDidFailToArchiveAllFiles,
+    fileStorageDidFailToDeleteFile,
     fileStorageDidFailToExportFile,
     fileStorageDidFailToInitialize,
     fileStorageDidFailToReadFile,
@@ -156,7 +158,12 @@ function* handleDeleteFile(
     files: LocalForage,
     action: ReturnType<typeof fileStorageDeleteFile>,
 ) {
-    yield* call(() => files.removeItem(action.fileName));
+    try {
+        yield* call(() => files.removeItem(action.fileName));
+        yield* put(fileStorageDidDeleteFile(action.fileName));
+    } catch (err) {
+        yield* put(fileStorageDidFailToDeleteFile(action.fileName, ensureError(err)));
+    }
 }
 
 function* handleArchiveAllFiles(files: LocalForage): Generator {