feat(zendesk): add zendesk integration (#1385)

* feat(zendesk): add zendesk integration

* Add Zendesk connection documentation

* docs(zendesk/connection): add missing steps

* feat(zendesk): add more auth scopes for planned triggers/actions

* fix(zendesk): fix instanceUrl

---------

Co-authored-by: Ali BARIN <ali.barin53@gmail.com>

packages/backend/src/apps/zendesk/common/add-auth-headers.ts

@@ -0,0 +1,17 @@
+import { TBeforeRequest } from '@automatisch/types';
+
+const addAuthHeader: TBeforeRequest = ($, requestConfig) => {
+  const { instanceUrl, tokenType, accessToken } = $.auth.data;
+
+  if (instanceUrl) {
+    requestConfig.baseURL = instanceUrl as string;
+  }
+
+  if (tokenType && accessToken) {
+    requestConfig.headers.Authorization = `${tokenType} ${$.auth.data.accessToken}`;
+  }
+
+  return requestConfig;
+};
+
+export default addAuthHeader;

packages/backend/src/apps/zendesk/common/auth-scope.ts

@@ -0,0 +1,3 @@
+const authScope: string[] = ['read', 'write'];
+
+export default authScope;

packages/backend/src/apps/zendesk/common/get-current-user.ts

@@ -0,0 +1,10 @@
+import { IGlobalVariable, IJSONObject } from '@automatisch/types';
+
+const getCurrentUser = async ($: IGlobalVariable): Promise<IJSONObject> => {
+  const response = await $.http.get('/api/v2/users/me');
+  const currentUser = response.data.user;
+
+  return currentUser;
+};
+
+export default getCurrentUser;