52 lines
1.5 KiB
C#
52 lines
1.5 KiB
C#
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using Demo.Data.LocalData;
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using Demo.Data.Repository;
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using Demo.domain.Models;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace Demo.Domain.UseCase
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{
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public class GroupUseCase
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{
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private List<GroupLocalEntity> _groups = LocalStaticData.groups;
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public List<GroupLocalEntity> GetAllGroups() => _groups;
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public void AddGroup(GroupLocalEntity group)
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{
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group.Id = _groups.Any() ? _groups.Max(g => g.Id) + 1 : 1;
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_groups.Add(group);
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}
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public void UpdateGroup(GroupLocalEntity group)
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{
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var existingGroup = _groups.FirstOrDefault(g => g.Id == group.Id);
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if (existingGroup != null)
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{
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existingGroup.Name = group.Name;
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}
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}
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public void RenameGroup(int groupId, string newName)
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{
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if (string.IsNullOrWhiteSpace(newName))
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{
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throw new ArgumentException("Новое имя группы не может быть пустым", nameof(newName));
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}
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var existingGroup = _groups.FirstOrDefault(g => g.Id == groupId);
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if (existingGroup == null)
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{
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throw new KeyNotFoundException($"Группа с ID {groupId} не найдена.");
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}
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existingGroup.Name = newName;
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}
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}
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}
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