title Create User Record
actor User
participant Controller.cs #90EE90
participant RDSFactory #26abff
participant UserAccount #CBC3E3
participant SystemAccountManager #ffffe0
participant AccountService #ff8b3d
participant SqlDAO #D3D3D3
//SqlDAO
database SqlServer(MariaDB) #00FFFF

//activate User 
activate Controller.cs #90EE90
User->Controller.cs: ++Create new User++

//RelatDSFactory
Controller.cs->RDSFactory:++factory = new RDSFactory()++
activate RDSFactory #26abff
RDSFactory->RDSFactory:++Constructor()++
Controller.cs<--RDSFactory:++return RDSFactory++
deactivate RDSFactory
Controller.cs->SqlDAO:++IDataSource factory.GetDataSource(string DbName, string connInfo)++
activate SqlDAO #D3D3D3
SqlDAO->SqlDAO:++Constructor(string connInfo)++
group #red Data Store Timed Out #white
SqlDAO->SqlDAO: ++Catch SqlException++
Controller.cs<--SqlDAO:++return "Data Source Timed Out"++
end
group #blue Data Store Online #white
Controller.cs<--SqlDAO: ++return SqlDAO++
deactivate SqlDAO


// Create new Admin
Controller.cs->SystemAccountManager:++ manager = new SystemAccountManager(IDataSource conn)++
activate SystemAccountManager #ffffe0
SystemAccountManager->SystemAccountManager:++Constructor(IDataSource conn)++
Controller.cs<--SystemAccountManager:++ New SystemAccountManager++
deactivate SystemAccountManager

//
activate UserAccount #CBC3E3
Controller.cs->UserAccount:++ new UserAccount(string username,\n string password,\n string email,\n DateTime RegistrationTimeStamp)++
UserAccount->UserAccount: ++Constructor(string username,\n string password,\n string email,\n DateTime RegistrationTimeStamp)++
Controller.cs<--UserAccount:++New UserAccount++
deactivate UserAccount
//
Controller.cs->SystemAccountManager:++manager.CreateUserRecord(user:UserAccount)++

//check if there is an admin user
activate SystemAccountManager #ffffe0
SystemAccountManager->SqlDAO:++bool isAdmin(user:UserAccount)++
activate SqlDAO #D3D3D3
SqlDAO->SqlServer(MariaDB):++SqlRead confirmAdmin()++
activate SqlServer(MariaDB)#00FFFF
//authorized
SqlServer(MariaDB)->SqlServer(MariaDB):++Select * from Admins\n where Username = @UserName \nand Password = @Pwd++
//Unauthorized role section
group #red Unauthorized User #white
SqlDAO<--SqlServer(MariaDB):++SqlException++
SqlDAO->SqlDAO:      ++Catch\nSqlException++
SystemAccountManager<--SqlDAO:++return false++
Controller.cs<--SystemAccountManager:++ return "Access Denied: \nUnauthorized"++
User<--Controller.cs:++return "Access Denied: \nUnauthorized"++
end
//Unauthorized role section
group #red Unauthorized User #white
SqlDAO<--SqlServer(MariaDB):++return false++
SystemAccountManager<--SqlDAO:++return false++
Controller.cs<--SystemAccountManager:++ return "Access Denied: \nUnauthorized"++
User<--Controller.cs:++return "Access Denied: \nUnauthorized"++
end


//Authorized role section
group #blue Authorized User #white
SqlDAO<--SqlServer(MariaDB):++return true++
deactivate SqlServer(MariaDB)
SystemAccountManager<--SqlDAO:++return true++
deactivate SqlDAO
deactivate SystemAccountManager
activate SystemAccountManager #ffffe0
SystemAccountManager->SystemAccountManager:++isInputValid(user: UserAccount)++

group #red Invalid Information #white
Controller.cs<--SystemAccountManager:++return "Invalid input"++
User<--Controller.cs:++ return "Invalid input"++
deactivate SystemAccountManager
end
group #green Valid Information #white
activate SystemAccountManager #ffffe0
SystemAccountManager->AccountService:++AccountService\n.CreateUserRecord(user:UserAccount)++
activate AccountService 	#ff8b3d
AccountService->SqlDAO:++SqlDAO\n.CreateUserRecord(user:UserAccount)++
activate SqlDAO #D3D3D3
SqlDAO->SqlServer(MariaDB):++SqlRead \nisUser(user:UserAccount)++
activate SqlServer(MariaDB) #00FFFF
SqlServer(MariaDB)->SqlServer(MariaDB):++ Select *\nFrom Users\nwhere Username\n= @UserName OR\nemail = @Email++
group #red data store timed out #white
SqlDAO<--SqlServer(MariaDB):++SqlException++
deactivate SqlServer(MariaDB)
SqlDAO->SqlDAO:      ++Catch\nSqlException++
AccountService<--SqlDAO:++return "Database timed out"++

SystemAccountManager<--AccountService:++ return "Database timed out"++
Controller.cs<--SystemAccountManager:++ return "Database timed out"++
User<--Controller.cs:++ return "Database timed out"++
end
group #blue data store is online #white
// User exists
group #green User does exist #white
activate SqlServer(MariaDB) #00FFFF
SqlDAO<--SqlServer(MariaDB):++ return True++
AccountService<--SqlDAO:++return "User is already registered"++
SystemAccountManager<--AccountService:++return "User is already registered"++
Controller.cs<--SystemAccountManager:++return "User is already registered"++
User<--Controller.cs:++               return \n"User is already registered"++
deactivate SqlServer(MariaDB)
end 
// User doesn't exist
group #green User does not exist #white
activate SqlServer(MariaDB) #00FFFF
SqlDAO<--SqlServer(MariaDB):++ return False++
SqlDAO->SqlServer(MariaDB):++ SQL insert\nuser credentials++
SqlDAO<--SqlServer(MariaDB):++ return 1++
AccountService<--SqlDAO:++return "User is now registered"++
SystemAccountManager<--AccountService:++return "User is now registered"++
Controller.cs<--SystemAccountManager:++return "User is now registered"++
User<--Controller.cs:++               return \n"User is now registered"++
deactivate AccountService
deactivate SqlDAO
deactivate SqlServer(MariaDB)
deactivate SystemAccountManager
deactivate Controller.cs
end
//deactivate User
end
end
end
end
end