IDepartmentService.cs

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using System;
using System.Collections.Generic;
using ScientificReport.DAL.Entities;
using ScientificReport.DAL.Entities.Publications;
using ScientificReport.DAL.Entities.UserProfile;
using ScientificReport.DTO.Models.Department;

namespace ScientificReport.BLL.Interfaces
{
    public interface IDepartmentService
    {
        int GetCount();
        IEnumerable<Department> GetPage(int page, int count);
        IEnumerable<Department> GetAll();
        IEnumerable<Department> Filter(DepartmentIndexModel model);
        IEnumerable<Department> GetAllWhere(Func<Department, bool> predicate);
        Department GetById(Guid id);
        Department Get(Func<Department, bool> predicate);
        void CreateItem(Department department);
        void UpdateItem(Department department);
        void DeleteById(Guid id);
        bool Exists(Guid id);
        void AddScientificWork(Guid id, ScientificWork scientificWork);
        void RemoveScientificWork(Guid id, ScientificWork scientificWork);
        void AddUser(Guid id, UserProfile user);
        void RemoveUser(Guid id, UserProfile user);
        bool UserIsHired(UserProfile user);
        bool UserWorksInDepartment(UserProfile headOfDepartment, Guid userId);
        IEnumerable<Department> SortDepartmentsBy(Department.SortByOption option, int page, int count);
    }
}