109 lines
3.7 KiB
C#
109 lines
3.7 KiB
C#
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using System.ComponentModel.DataAnnotations.Schema;
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using System.ComponentModel.DataAnnotations;
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using TravelAgencyContracts.BindingModels;
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using TravelAgencyContracts.ViewModels;
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using TravelAgencyDataModels.Models;
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namespace TravelAgencyDatabaseImplement.Models
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{
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public class ExcursionGroup : IExcursionGroupModel
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{
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public int Id { get; set; }
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[Required]
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public string ExcursionGroupName { get; set; } = string.Empty;
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[Required]
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public int ParticipantsAmount { get; set; }
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[Required]
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public int UserId { get; set; }
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[Required]
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public int GuideId { get; set; }
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public virtual Guide Guide { get; set; }
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public virtual User User { get; set; }
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private Dictionary<int, ITourModel>? _excursionGroupTours = null;
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[NotMapped]
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public Dictionary<int, ITourModel> ExcursionGroupTours
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{
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get
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{
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if (_excursionGroupTours == null)
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{
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_excursionGroupTours = Tours
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.ToDictionary(recPC => recPC.TourId, recPC => recPC.Tour as ITourModel);
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}
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return _excursionGroupTours;
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}
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}
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[ForeignKey("ExcursionGroupId")]
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public virtual List<ExcursionGroupTour> Tours { get; set; } = new();
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public static ExcursionGroup? Create(TravelAgencyDatabase context, ExcursionGroupBindingModel? model)
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{
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if (model == null)
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{
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return null;
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}
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return new ExcursionGroup()
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{
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Id = model.Id,
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ExcursionGroupName = model.ExcursionGroupName,
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ParticipantsAmount = model.ParticipantsAmount,
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UserId = model.UserId,
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GuideId = model.GuideId,
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Tours = model.ExcursionGroupTours.Select(x => new ExcursionGroupTour
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{
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Tour = context.Tours.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(ExcursionGroupBindingModel? model)
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{
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if (model == null)
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{
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return;
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}
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ExcursionGroupName = model.ExcursionGroupName;
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ParticipantsAmount = model.ParticipantsAmount;
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}
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public ExcursionGroupViewModel GetViewModel => new()
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{
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Id = Id,
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ExcursionGroupName = ExcursionGroupName,
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ParticipantsAmount = ParticipantsAmount,
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UserId = UserId,
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GuideId = GuideId,
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ExcursionGroupTours = ExcursionGroupTours
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};
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public void UpdateTours(TravelAgencyDatabase context, ExcursionGroupBindingModel model)
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{
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var excursionGroupTours = context.ExcursionGroupTours.Where(rec => rec.ExcursionGroupId == model.Id).ToList();
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if (excursionGroupTours != null && excursionGroupTours.Count > 0)
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{ // удалили те, которых нет в модели
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context.ExcursionGroupTours.RemoveRange(excursionGroupTours.Where(rec => !model.ExcursionGroupTours.ContainsKey(rec.TourId)));
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context.SaveChanges();
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}
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var excursionGroup = context.ExcursionGroups.First(x => x.Id == Id);
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foreach (var et in model.ExcursionGroupTours)
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{
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context.ExcursionGroupTours.Add(new ExcursionGroupTour
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{
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ExcursionGroup = excursionGroup,
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Tour = context.Tours.First(x => x.Id == et.Key)
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});
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context.SaveChanges();
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}
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_excursionGroupTours = null;
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}
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}
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}
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