using ForumContracts.BindingModels; using ForumContracts.SearchModels; using ForumContracts.StorageContracts; using ForumContracts.ViewModels; using ForumDatabaseImplement.Models; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ForumDatabaseImplement.Implements { public class UserStorage : IUserStorage { public UserViewModel? Delete(UserBindingModel model) { using var context = new ForumDataBase(); var element = context.Users.FirstOrDefault(rec => rec.Id == model.Id); if (element != null) { context.Users.Remove(element); context.SaveChanges(); return element.GetViewModel; } return null; } public UserViewModel? GetElement(UserSearchModel model) { using var context = new ForumDataBase(); if (model.Id.HasValue) return context.Users.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel; if (!string.IsNullOrEmpty(model.Nickname) && !string.IsNullOrEmpty(model.Password)) return context.Users.FirstOrDefault(x => x.Nickname.Equals(model.Nickname) && x.Password.Equals(model.Password))?.GetViewModel; if (!string.IsNullOrEmpty(model.Email)) return context.Users.FirstOrDefault(x => x.Email.Equals(model.Email))?.GetViewModel; return null; } public List GetFilteredList(UserSearchModel model) { if (string.IsNullOrEmpty(model.Nickname)) { return new(); } using var context = new ForumDataBase(); return context.Users.Where(x => x.Nickname.Contains(model.Nickname)).Select(x => x.GetViewModel).ToList(); } public List GetFullList() { using var context = new ForumDataBase(); return context.Users.Select(x => x.GetViewModel).ToList(); } public UserViewModel? Insert(UserBindingModel model) { var newUser = User.Create(model); if (newUser == null) { return null; } using var context = new ForumDataBase(); context.Users.Add(newUser); context.SaveChanges(); return newUser.GetViewModel; } public UserViewModel? Update(UserBindingModel model) { using var context = new ForumDataBase(); var user = context.Users.FirstOrDefault(x => x.Id == model.Id); if (user == null) { return null; } user.Update(model); context.SaveChanges(); return user.GetViewModel; } } }