presence/domain/UseCase/GroupUseCase.cs
2024-11-13 12:00:26 +03:00

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C#
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using data.LocalData;
using data.Repository;
using domain.Models;
namespace domain.UseCase
{
public class GroupUseCase
{
private readonly IGroupRepository _repositoryGroupImpl;
public GroupUseCase(IGroupRepository repositoryGroupImpl)
{
_repositoryGroupImpl = repositoryGroupImpl;
}
private GroupLocalEntity ValidateGroupExistence(int groupId)
{
var existingGroup = _repositoryGroupImpl.GetAllGroup()
.FirstOrDefault(g => g.Id == groupId);
if (existingGroup == null)
{
throw new ArgumentException("Группа не найдена.");
}
return existingGroup;
}
public List<Group> GetAllGroups()
{
return [.. _repositoryGroupImpl.GetAllGroup()
.Select(it => new Group { Id = it.Id, Name = it.Name })];
}
public Group FindGroupById(int groupId)
{
var group = GetAllGroups().FirstOrDefault(g => g.Id == groupId);
if (group == null)
{
throw new ArgumentException("Группа не найдена.");
}
return group;
}
public void AddGroup(string groupName)
{
var newId = _repositoryGroupImpl.GetAllGroup().Any()
? _repositoryGroupImpl.GetAllGroup().Max(g => g.Id) + 1
: 1;
GroupLocalEntity newGroup = new GroupLocalEntity
{
Id = newId,
Name = groupName
};
_repositoryGroupImpl.AddGroup(newGroup);
}
public void RemoveGroupById(int groupId)
{
var existingGroup = ValidateGroupExistence(groupId);
List<Group> _groups = GetAllGroups();
// Находим группу по ID и удаляем ее
var groupToRemove = _groups.FirstOrDefault(g => g.Id == existingGroup.Id);
if (groupToRemove != null)
{
_groups.Remove(groupToRemove);
_repositoryGroupImpl.RemoveGroupById(existingGroup.Id);
}
else
{
throw new ArgumentException("Группа не найдена.");
}
}
// Метод для изменения названия группы
public void UpdateGroup(int groupId, string newGroupName)
{
var existingGroup = ValidateGroupExistence(groupId);
existingGroup.Name = newGroupName;
_repositoryGroupImpl.UpdateGroupById(existingGroup.Id, existingGroup);
}
}
}