128 lines
3.8 KiB
C#
128 lines
3.8 KiB
C#
using CaseAccountingContracts.BindingModels;
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using CaseAccountingContracts.ViewModels;
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using CaseAccountingDataModels.Models;
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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 CaseAccountingDataBaseImplement.Models
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{
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public class Deal : IDealModel
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{
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public int Id { get; set; }
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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 string Responsibilities { get; set; } = string.Empty;
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[Required]
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public DateTime Date { get; set; }
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[Required]
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public int UserId { get; set; }
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public virtual User User { get; set; } = new();
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[ForeignKey("DealId")]
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public virtual List<CaseDeal> CaseDeals { get; set; } = new();
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private Dictionary<int, ICaseModel>? _cases;
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[NotMapped]
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public Dictionary<int, ICaseModel> Cases
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{
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get
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{
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if (_cases == null)
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{
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_cases = CaseDeals.ToDictionary(
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x => x.CaseId, x => x.Case as ICaseModel);
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}
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return _cases;
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}
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}
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[ForeignKey("DealId")]
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public virtual List<DealContract> Contracts { get; set; } = new();
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public static Deal? Create(CaseAccountingDatabase context, DealBindingModel? 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 Deal()
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{
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Id = model.Id,
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Subject = model.Subject,
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Responsibilities = model.Responsibilities,
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Date = model.Date,
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UserId = model.UserId,
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User = context.Users.FirstOrDefault(x => x.Id == model.UserId) ?? throw new Exception("User не существует"),
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CaseDeals = model.Cases.Select(x => new CaseDeal
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{
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Case = context.Cases.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(DealBindingModel? 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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Subject = model.Subject;
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Responsibilities = model.Responsibilities;
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Date = model.Date;
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}
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public void UpdateCases(CaseAccountingDatabase context, DealBindingModel model)
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{
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var dealCases = context.CaseDeals
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.Where(x => x.DealId == model.Id)
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.ToList();
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if (dealCases != null)
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{
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context.CaseDeals
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.RemoveRange(dealCases
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.Where(x => !model.Cases
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.ContainsKey(x.CaseId))
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);
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context.SaveChanges();
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var deal = context.Deals
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.First(x => x.Id == Id);
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foreach (var dc in dealCases)
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{
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model.Cases.Remove(dc.CaseId);
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}
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foreach (var dc in model.Cases)
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{
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context.CaseDeals.Add(new CaseDeal
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{
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Deal = deal,
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Case = context.Cases.First(x => x.Id == dc.Key),
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});
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context.SaveChanges();
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}
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_cases = null;
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}
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}
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public DealViewModel GetViewModel => new()
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{
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Id = Id,
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Subject = Subject,
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Responsibilities = Responsibilities,
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Date = Date,
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UserId = UserId
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};
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}
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}
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