Merge branch 'release' into 'master'

Release

See merge request theappsmith/internal-tools-client!54

app/client/.gitignore

@@ -26,3 +26,4 @@ yarn-error.log*
 /out
 /public/fonts/*
 /src/assets/icons/fonts/*
+.idea

app/client/src/constants/errors.ts

@@ -0,0 +1,3 @@
+export const DEFAULT_ERROR_MESSAGE = "There was an error";
+export const DEFAULT_ACTION_ERROR = (action: string) =>
+  `Incurred an error when ${action}`;

app/client/src/editorComponents/ToastComponent.tsx

@@ -0,0 +1,7 @@
+import { Position, Toaster } from "@blueprintjs/core";
+
+// To add a toast import this instance and call .show()
+// https://blueprintjs.com/docs/#core/components/toast.example
+export default Toaster.create({
+  position: Position.BOTTOM_RIGHT,
+});

app/client/src/sagas/ErrorSagas.tsx

@@ -1,9 +1,15 @@
+import _ from "lodash";
+import { Intent } from "@blueprintjs/core";
 import {
   ReduxActionTypes,
   ReduxActionErrorTypes,
   ReduxAction,
 } from "../constants/ReduxActionConstants";
-
+import AppToaster from "../editorComponents/ToastComponent";
+import {
+  DEFAULT_ERROR_MESSAGE,
+  DEFAULT_ACTION_ERROR,
+} from "../constants/errors";
 import { ApiResponse } from "../api/ApiResponses";
 import { put, takeLatest } from "redux-saga/effects";
 
@@ -21,10 +27,34 @@ export function* validateResponse(response: ApiResponse) {
   }
 }
 
-export function* errorSaga(errorAction: ReduxAction<{ error: any }>) {
+type ErrorPayloadType = object | { message: string };
+
+const ActionErrorDisplayMap: {
+  [key: string]: (error: ErrorPayloadType) => string;
+} = {
+  [ReduxActionErrorTypes.API_ERROR]: error =>
+    _.get(error, "message", DEFAULT_ERROR_MESSAGE),
+  [ReduxActionErrorTypes.FETCH_PAGE_ERROR]: () =>
+    DEFAULT_ACTION_ERROR("fetching the page"),
+  [ReduxActionErrorTypes.SAVE_PAGE_ERROR]: () =>
+    DEFAULT_ACTION_ERROR("saving the page"),
+  [ReduxActionErrorTypes.FETCH_WIDGET_CARDS_ERROR]: () => DEFAULT_ERROR_MESSAGE,
+  [ReduxActionErrorTypes.WIDGET_OPERATION_ERROR]: () => DEFAULT_ERROR_MESSAGE,
+};
+
+export function* errorSaga(
+  errorAction: ReduxAction<{ error: ErrorPayloadType }>,
+) {
   // Just a pass through for now.
   // Add procedures to customize errors here
-  console.log(errorAction.payload.error);
+  console.log({ error: errorAction });
+  // Show a toast when the error occurs
+  const {
+    type,
+    payload: { error },
+  } = errorAction;
+  const message = ActionErrorDisplayMap[type](error);
+  AppToaster.show({ message, intent: Intent.DANGER });
   yield put({
     type: ReduxActionTypes.REPORT_ERROR,
     payload: {