updated user service api

Author: Aishwarya Nair

Frontend/src/User/UserServiceAPI.js

@@ -1,36 +1,217 @@
+// Provides APIs to Frontend
+
+import {
+	registerUserUsingFirebase,
+	loginUserUsingFirebase,
+	logoutUserUsingFirebase,
+	resetUserPasswordUsingFirebase,
+} from "../Authentication/UserAuthenticationController";
+
+import {
+	updateUserEmailInFirebase,
+	deleteUserAccountInFirebase,
+	updateUserPasswordInFirebase,
+} from "../Authentication/UserProfileUpdateController";
+
+import {
+	getUserData,
+	postUserData,
+	patchUserData,
+	deleteUserData,
+	updateUserPrivilege,
+	getAllUsersData,
+} from "./UserServiceClientController";
+
+import {getFirebaseUserCredentials} from "../Authentication/AuthenticationState";
+
+import {updateUserState, setUserState, isUserAdmin} from "./UserState";
+
+async function registerUser(
+	userName,
+	userEmail,
+	userPassword,
+	userGithubId,
+	userPreferredLanguage
+) {
+	const isFirebaseUserRegistrationSuccessful = await registerUserUsingFirebase(
+		userEmail,
+		userPassword
+	);
+
+	if (isFirebaseUserRegistrationSuccessful.success) {
+		const userId = getFirebaseUserCredentials().uid;
+		const result = await postUserData(
+			userId,
+			userName,
+			userEmail,
+			userGithubId,
+			userPreferredLanguage
+		);
+
+		if (result !== null && result.status === 201) {
+			setUserState(result.data.user);
+
+			return isFirebaseUserRegistrationSuccessful;
+		}
+
+		// Firebase Account Created, But Could Not Be Stored In User Service Database
+		await deleteUserAccountInFirebase();
+	}
+
+	isFirebaseUserRegistrationSuccessful.success = false;
+	return isFirebaseUserRegistrationSuccessful;
+}
+
+async function loginUser(userEmail, userPassword) {
+	const isFirebaseUserLoginSuccessful = await loginUserUsingFirebase(
+		userEmail,
+		userPassword
+	);
+
+	if (isFirebaseUserLoginSuccessful) {
+		const userId = getFirebaseUserCredentials().uid;
+		const result = await getUserData(userId);
+
+		if (result !== null && result.status === 200) {
+			setUserState(result.data.user);
+
+			return true;
+		}
+
+		// User Logged In, But User Data Could Not Be Obtained From User Service
+		await logoutUser();
+	}
+
+	return false;
+}
+
+async function logoutUser() {
+	const result = await logoutUserUsingFirebase();
+
+	if (result === true) {
+		setUserState(null);
+	}
+
+	return result;
+}
+
+async function resetUserPassword(userEmail) {
+	const result = await resetUserPasswordUsingFirebase(userEmail);
+
+	return result;
+}
+
+async function deleteUser() {
+	if (getFirebaseUserCredentials() !== null) {
+		const result = await deleteUserData(getFirebaseUserCredentials().uid);
+
+		if (result !== null && result.status === 200) {
+			const isDeletedFromFirebase = await deleteUserAccountInFirebase();
+
+			if (isDeletedFromFirebase) {
+				setUserState(null);
+
+				return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+async function updateUserData(
+	updatedUserName,
+	updatedUserEmail,
+	updatedUserGithubId,
+	updatedUserPreferredLanguage
+) {
+	const currentEmailId = getFirebaseUserCredentials().email;
+	const isEmailIdUpdated = currentEmailId !== updatedUserEmail;
+
+	if (isEmailIdUpdated) {
+		const result = await updateUserEmailInFirebase(updatedUserEmail);
+
+		if (result === false) {
+			return false;
+		}
+	}
+
+	const result = await patchUserData(
+		getFirebaseUserCredentials().uid,
+		updatedUserName,
+		updatedUserEmail,
+		updatedUserGithubId,
+		updatedUserPreferredLanguage
+	);
+
+	if (result !== null && result.status === 200) {
+		// Update User State
+		updateUserState(
+			updatedUserName,
+			updatedUserEmail,
+			updatedUserGithubId,
+			updatedUserPreferredLanguage
+		);
+
+		return true;
+	}
+
+	// Reset Updated Email
+	await updateUserEmailInFirebase(currentEmailId);
+	return false;
+}
+
+async function updateLoggedInUserPassword(updatedUserPassword) {
+	const result = await updateUserPasswordInFirebase(updatedUserPassword);
+
+	return result;
+}
+
+async function elevateUserPrivilege(userEmailToElevate) {
+	if ((await isUserAdmin()) === true) {
+		const result = await updateUserPrivilege(userEmailToElevate, true);
+
+		if (result !== null && result.status === 200) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
 async function lowerUserPrivilege(userEmailToLower) {
-  if ((await isUserAdmin()) === true) {
-   const result = await updateUserPrivilege(userEmailToLower, false);
- 
-   if (result !== null && result.status === 200) {
-    return true;
-   }
-  }
- 
-  return false;
- }
- 
- async function getAllRegisteredUsers() {
-  if ((await isUserAdmin()) === true) {
-   const result = await getAllUsersData();
- 
-   if (result !== null && result.status === 200) {
-    return result.data.users;
-   }
-  }
- 
-  return null;
- }
- 
- export {
-  registerUser,
-  loginUser,
-  logoutUser,
-  resetUserPassword,
-  deleteUser,
-  updateUserData,
-  updateLoggedInUserPassword,
-  elevateUserPrivilege,
-  lowerUserPrivilege,
-  getAllRegisteredUsers,
- };
+	if ((await isUserAdmin()) === true) {
+		const result = await updateUserPrivilege(userEmailToLower, false);
+
+		if (result !== null && result.status === 200) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+async function getAllRegisteredUsers() {
+	if ((await isUserAdmin()) === true) {
+		const result = await getAllUsersData();
+
+		if (result !== null && result.status === 200) {
+			return result.data.users;
+		}
+	}
+
+	return null;
+}
+
+export {
+	registerUser,
+	loginUser,
+	logoutUser,
+	resetUserPassword,
+	deleteUser,
+	updateUserData,
+	updateLoggedInUserPassword,
+	elevateUserPrivilege,
+	lowerUserPrivilege,
+	getAllRegisteredUsers,
+};