74 lines
2.3 KiB
C#
74 lines
2.3 KiB
C#
using System;
|
|
using System.Linq;
|
|
using WD7UVN_HFT_2023241.Models;
|
|
using WD7UVN_HFT_2023241.Repository;
|
|
|
|
namespace WD7UVN_HFT_2023241.Logic
|
|
{
|
|
public interface ILogicServices
|
|
{
|
|
public ICRUD CRUDOperations { get; set; }
|
|
|
|
//additional, non-CRUD operations
|
|
public IQueryable<Employee> WhoWorksInMaintainerTeam(int maintainerTeamId);
|
|
public IQueryable<Employee> GetSubordinates(int managerId);
|
|
public IQueryable<Customer> WhoUsesService(int serviceId);
|
|
public Employee WhoIsResponsibleForService(int serviceId);
|
|
public IQueryable<Employee> WhoMaintainsService(int serviceId);
|
|
}
|
|
|
|
public class LogicServices : ILogicServices
|
|
{
|
|
public ICRUD CRUDOperations { get; set; }
|
|
|
|
public LogicServices(ICRUD CRUDOperations)
|
|
{
|
|
this.CRUDOperations = CRUDOperations;
|
|
}
|
|
|
|
public IQueryable<Employee> WhoMaintainsService(int serviceId)
|
|
{
|
|
IQueryable<Employee> query =
|
|
from employee in CRUDOperations.ReadAllEmployees()
|
|
join service in CRUDOperations.ReadAllServices() on employee.MAINTAINER_ID equals service.MAINTAINER_ID
|
|
where service.ID == serviceId
|
|
select employee;
|
|
|
|
return query;
|
|
}
|
|
|
|
public Employee WhoIsResponsibleForService(int serviceId)
|
|
{
|
|
var query =
|
|
from service in CRUDOperations.ReadAllServices()
|
|
join team in CRUDOperations.ReadAllMaintainerTeams() on service.MAINTAINER_ID equals team.ID
|
|
join employee in CRUDOperations.ReadAllEmployees() on team.LEADER_ID equals employee.ID
|
|
where service.ID == serviceId
|
|
select employee;
|
|
|
|
return query.FirstOrDefault();
|
|
}
|
|
|
|
public IQueryable<Employee> WhoWorksInMaintainerTeam(int maintainerTeamId)
|
|
{
|
|
return CRUDOperations
|
|
.ReadAllEmployees()
|
|
.Where(e => e.MAINTAINER_ID == maintainerTeamId);
|
|
}
|
|
|
|
public IQueryable<Employee> GetSubordinates(int managerId)
|
|
{
|
|
return CRUDOperations
|
|
.ReadAllEmployees()
|
|
.Where(e => e.MANAGER_ID == managerId);
|
|
}
|
|
|
|
public IQueryable<Customer> WhoUsesService(int serviceId)
|
|
{
|
|
return CRUDOperations
|
|
.ReadAllCustomers()
|
|
.Where(c => c.SERVICE_ID == serviceId);
|
|
}
|
|
}
|
|
}
|