119 lines
3.4 KiB
C#
119 lines
3.4 KiB
C#
using HotelContracts.BindingModels;
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using HotelContracts.ViewModels;
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using HotelDataModels.Models;
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace HotelDataBaseImplement.Models
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{
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public class Conference : IConferenceModel
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{
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public int Id { get; private set; }
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[Required]
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public string ConferenceName { get; set; } = string.Empty;
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[Required]
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public string Subject { get; set; } = string.Empty;
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[Required]
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public DateTime StartDate { get; set; } = DateTime.Now;
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public int OrganiserId { get; private set; }
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public virtual Organiser Organiser { get; set; }
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private Dictionary<int, IParticipantModel> _conferenceParticipents = null;
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[ForeignKey("ConferenceId")]
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public virtual List<ConferenceBooking> Bookings { get; set; } = new();
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[ForeignKey("ConferenceId")]
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public virtual List<ConferenceParticipant> Participants { get; set; } = new();
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[NotMapped]
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public Dictionary<int, IParticipantModel> ConferenceParticipants
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{
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get
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{
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if (_conferenceParticipents == null)
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{
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using var context = new HotelDataBase();
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_conferenceParticipents = Participants.ToDictionary(x => x.ParticipantId, x => (context.Participants
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.FirstOrDefault(y => y.Id == x.ParticipantId)! as IParticipantModel));
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}
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return _conferenceParticipents;
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}
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}
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public static Conference Create(HotelDataBase context, ConferenceBindingModel model)
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{
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return new Conference()
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{
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Id = model.Id,
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ConferenceName = model.ConferenceName,
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Subject = model.Subject,
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StartDate = model.StartDate,
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OrganiserId = model.OrganiserId,
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Participants = model.ConferenceParticipants.Select(x => new ConferenceParticipant
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{
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Participant = context.Participants.First(y => y.Id == x.Key),
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}).ToList()
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};
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}
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public void Update(ConferenceBindingModel model)
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{
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ConferenceName = model.ConferenceName;
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Subject = model.Subject;
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StartDate = model.StartDate;
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OrganiserId = model.OrganiserId;
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}
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public ConferenceViewModel GetViewModel => new()
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{
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Id = Id,
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ConferenceName = ConferenceName,
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Subject = Subject,
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StartDate= StartDate,
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OrganiserId = OrganiserId,
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ConferenceParticipants = ConferenceParticipants
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};
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public void UpdateMembers(HotelDataBase context, ConferenceBindingModel model)
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{
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var сonferenceParticipants = context.ConferenceParticipants.Where(rec => rec.ConferenceId == model.Id).ToList();
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if (сonferenceParticipants != null && сonferenceParticipants.Count > 0)
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{
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context.ConferenceParticipants.RemoveRange(сonferenceParticipants.Where(rec => !model.ConferenceParticipants.ContainsKey(rec.ParticipantId)));
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context.SaveChanges();
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foreach (var updateParticipant in сonferenceParticipants)
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{
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model.ConferenceParticipants.Remove(updateParticipant.ParticipantId);
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}
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context.SaveChanges();
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}
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var conference = context.Conferences.First(x => x.Id == Id);
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foreach (var cm in model.ConferenceParticipants)
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{
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context.ConferenceParticipants.Add(new ConferenceParticipant
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{
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Conference = conference,
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Participant = context.Participants.First(x => x.Id == cm.Key),
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});
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context.SaveChanges();
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}
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_conferenceParticipents = null;
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}
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}
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}
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