🥅 Introduce new IntegrationErrorTypes and delegate them to the frontend

Author: ratkowski

src/models/integration-error.model.ts

@@ -1,6 +1,13 @@
 export enum IntegrationErrorType {
   INTEGRATION_INVALID_URL = "integration/invalid-url",
+
+  // TODO: rename to INTEGRATION_ERROR_REFRESH = "integration/error/refresh"
   INTEGRATION_REFRESH_ERROR = "integration/refresh-error",
+  INTEGRATION_ERROR_FORBIDDEN = "integration/error/forbidden",
+  INTEGRATION_ERROR_UNAVAILABLE = "integration/error/unavailable",
+
+  ENTITY_ERROR_CONFLICT = "entity/error/conflict",
+
   CONTACT_CREATE_ERROR_CONFLICT = "contact/create-error/conflict",
   CONTACT_CREATE_ERROR_EMAIL_CONFLICT = "contact/create-error/email-conflict",
   CONTACT_ERROR_TOO_MANY_NUMBERS = "contact/error/too-many-numbers",

src/util/error.ts

@@ -0,0 +1,46 @@
+import { AxiosError } from "axios";
+import {
+  DELEGATE_TO_FRONTEND_CODE,
+  IntegrationErrorType,
+  ServerError,
+} from "../models";
+
+export const generateError = (
+  error: Error | AxiosError,
+  intentMessage: string
+): ServerError => {
+  if (error instanceof AxiosError) {
+    const message = error.response?.data
+      ? JSON.stringify(error.response?.data)
+      : error.message;
+    const status = error.response?.status || 500;
+    switch (status) {
+      case 401:
+        return new ServerError(
+          DELEGATE_TO_FRONTEND_CODE,
+          IntegrationErrorType.INTEGRATION_REFRESH_ERROR
+        );
+      case 403:
+        return new ServerError(
+          DELEGATE_TO_FRONTEND_CODE,
+          IntegrationErrorType.INTEGRATION_ERROR_FORBIDDEN
+        );
+      case 409:
+        return new ServerError(
+          DELEGATE_TO_FRONTEND_CODE,
+          IntegrationErrorType.ENTITY_ERROR_CONFLICT
+        );
+      case 502:
+      case 503:
+      case 504:
+        return new ServerError(
+          DELEGATE_TO_FRONTEND_CODE,
+          IntegrationErrorType.INTEGRATION_ERROR_UNAVAILABLE
+        );
+
+      default:
+        return new ServerError(status, `${intentMessage} (${message})`);
+    }
+  }
+  return new ServerError(500, "An internal error occurred");
+};

src/util/index.ts

@@ -2,3 +2,4 @@ export * from "./phone-number-utils";
 export * from "./anonymize-key";
 export * from "./logger.util";
 export * from "./call-comment";
+export * from "./error";