Feat: create SSO user account on platform

apps/OpenSignServer/cloud/parsefunction/isextenduser.js

@@ -0,0 +1,30 @@
+/**
+ * Checks if a user exists in the extended class 'contracts_Users' based on the provided email.
+ * @param email - The request contains parameters, such as the user's email.
+ * @returns {Object} - Returns an object indicating whether the user exists.
+ */
+export default async function isextenduser(request) {
+  try {
+    // Query the 'contracts_Users' class in the database based on the provided email
+    const userQuery = new Parse.Query('contracts_Users');
+    userQuery.equalTo('Email', request.params.email);
+
+    // Execute the query
+    const res = await userQuery.first({ useMasterKey: true });
+
+    // Check if a user was found
+    if (res) {
+      // If user exists, return object with 'isUserExist' set to true
+      return { isUserExist: true };
+    } else {
+      // If user does not exist, return object with 'isUserExist' set to false
+      return { isUserExist: false };
+    }
+  } catch (err) {
+    // Handle errors
+    console.log('Error in userexist', err);
+    const code = err?.code || 400;
+    const message = err?.message || 'Something went wrong.';
+    throw new Parse.Error(code, message);
+  }
+}