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Этап 3. Исправлена ошибка с циклическим удалением

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This commit is contained in:
prodigygirl 2023-04-06 13:31:20 +04:00
parent ee7b714fc6
commit 96a411f449
6 changed files with 78 additions and 21 deletions
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27
Hospital/HospitalDatabaseImplement/HospitalDatabase.cs
View File

@ -1,5 +1,12 @@
using HospitalDatabaseImplement.Models;
using Microsoft.EntityFrameworkCore;
using System.Reflection.Metadata;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace HospitalDatabaseImplement
{
@ -13,6 +20,26 @@ namespace HospitalDatabaseImplement
}
base.OnConfiguring(optionsBuilder);
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
// решение проблемы с циклическим удалением - запрет на удаление аптекарей, если они связаны с другими сущностями
modelBuilder
.Entity<Medicine>().HasOne(e => e.Apothecary)
.WithMany(e => e.Medicines)
.OnDelete(DeleteBehavior.Restrict);
modelBuilder
.Entity<Recipe>().HasOne(e => e.Apothecary)
.WithMany(e => e.Recipes)
.OnDelete(DeleteBehavior.Restrict);
modelBuilder
.Entity<Prescription>().HasOne(e => e.Apothecary)
.WithMany(e => e.Prescriptions)
.OnDelete(DeleteBehavior.Restrict);
}
public virtual DbSet<Apothecary> Apothecaries { set; get; }
public virtual DbSet<Recipe> Recipes { set; get; }
public virtual DbSet<Medicine> Medicines { set; get; }

26
Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.Designer.cs → Hospital/HospitalDatabaseImplement/Migrations/20230406091825_InitCreate.Designer.cs generated
View File

@ -12,8 +12,8 @@ using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
namespace HospitalDatabaseImplement.Migrations
{
[DbContext(typeof(HospitalDatabase))]
[Migration("20230405144953_InitialCreate")]
partial class InitialCreate
[Migration("20230406091825_InitCreate")]
partial class InitCreate
{
/// <inheritdoc />
protected override void BuildTargetModel(ModelBuilder modelBuilder)
@ -98,6 +98,7 @@ namespace HospitalDatabaseImplement.Migrations
.HasColumnType("nvarchar(max)");
b.Property<string>("Surname")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<int>("TreatmentId")
@ -296,9 +297,9 @@ namespace HospitalDatabaseImplement.Migrations
modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
{
b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
.WithMany()
.WithMany("Medicines")
.HasForeignKey("ApothecaryId")
.OnDelete(DeleteBehavior.Cascade)
.OnDelete(DeleteBehavior.Restrict)
.IsRequired();
b.Navigation("Apothecary");
@ -318,9 +319,9 @@ namespace HospitalDatabaseImplement.Migrations
modelBuilder.Entity("HospitalDatabaseImplement.Models.Prescription", b =>
{
b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
.WithMany()
.WithMany("Prescriptions")
.HasForeignKey("ApothecaryId")
.OnDelete(DeleteBehavior.Cascade)
.OnDelete(DeleteBehavior.Restrict)
.IsRequired();
b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
@ -356,9 +357,9 @@ namespace HospitalDatabaseImplement.Migrations
modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
{
b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
.WithMany()
.WithMany("Recipes")
.HasForeignKey("ApothecaryId")
.OnDelete(DeleteBehavior.Cascade)
.OnDelete(DeleteBehavior.Restrict)
.IsRequired();
b.Navigation("Apothecary");
@ -421,6 +422,15 @@ namespace HospitalDatabaseImplement.Migrations
b.Navigation("Treatment");
});
modelBuilder.Entity("HospitalDatabaseImplement.Models.Apothecary", b =>
{
b.Navigation("Medicines");
b.Navigation("Prescriptions");
b.Navigation("Recipes");
});
modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
{
b.Navigation("Prescriptions");

12
Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.cs → Hospital/HospitalDatabaseImplement/Migrations/20230406091825_InitCreate.cs
View File

@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Migrations;
namespace HospitalDatabaseImplement.Migrations
{
/// <inheritdoc />
public partial class InitialCreate : Migration
public partial class InitCreate : Migration
{
/// <inheritdoc />
protected override void Up(MigrationBuilder migrationBuilder)
@ -60,7 +60,7 @@ namespace HospitalDatabaseImplement.Migrations
Name = table.Column<string>(type: "nvarchar(60)", maxLength: 60, nullable: false),
Cost = table.Column<double>(type: "float", nullable: false),
Dose = table.Column<string>(type: "nvarchar(10)", maxLength: 10, nullable: false),
ApothecaryId = table.Column<int>(type: "int", nullable: false, defaultValue: -1)
ApothecaryId = table.Column<int>(type: "int", nullable: false)
},
constraints: table =>
{
@ -70,7 +70,7 @@ namespace HospitalDatabaseImplement.Migrations
column: x => x.ApothecaryId,
principalTable: "Apothecaries",
principalColumn: "Id",
onDelete: ReferentialAction.SetDefault);
onDelete: ReferentialAction.Restrict);
});
migrationBuilder.CreateTable(
@ -91,7 +91,7 @@ namespace HospitalDatabaseImplement.Migrations
column: x => x.ApothecaryId,
principalTable: "Apothecaries",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
onDelete: ReferentialAction.Restrict);
});
migrationBuilder.CreateTable(
@ -100,7 +100,7 @@ namespace HospitalDatabaseImplement.Migrations
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
Surname = table.Column<string>(type: "nvarchar(max)", nullable: true),
Surname = table.Column<string>(type: "nvarchar(max)", nullable: false),
Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
Patronymic = table.Column<string>(type: "nvarchar(max)", nullable: true),
BirthDate = table.Column<DateTime>(type: "datetime2", nullable: false),
@ -162,7 +162,7 @@ namespace HospitalDatabaseImplement.Migrations
column: x => x.ApothecaryId,
principalTable: "Apothecaries",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
onDelete: ReferentialAction.Restrict);
table.ForeignKey(
name: "FK_Prescriptions_Medicines_MedicineId",
column: x => x.MedicineId,

22
Hospital/HospitalDatabaseImplement/Migrations/HospitalDatabaseModelSnapshot.cs
View File

@ -95,6 +95,7 @@ namespace HospitalDatabaseImplement.Migrations
.HasColumnType("nvarchar(max)");
b.Property<string>("Surname")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<int>("TreatmentId")
@ -293,9 +294,9 @@ namespace HospitalDatabaseImplement.Migrations
modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
{
b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
.WithMany()
.WithMany("Medicines")
.HasForeignKey("ApothecaryId")
.OnDelete(DeleteBehavior.Cascade)
.OnDelete(DeleteBehavior.Restrict)
.IsRequired();
b.Navigation("Apothecary");
@ -315,9 +316,9 @@ namespace HospitalDatabaseImplement.Migrations
modelBuilder.Entity("HospitalDatabaseImplement.Models.Prescription", b =>
{
b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
.WithMany()
.WithMany("Prescriptions")
.HasForeignKey("ApothecaryId")
.OnDelete(DeleteBehavior.Cascade)
.OnDelete(DeleteBehavior.Restrict)
.IsRequired();
b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
@ -353,9 +354,9 @@ namespace HospitalDatabaseImplement.Migrations
modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
{
b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
.WithMany()
.WithMany("Recipes")
.HasForeignKey("ApothecaryId")
.OnDelete(DeleteBehavior.Cascade)
.OnDelete(DeleteBehavior.Restrict)
.IsRequired();
b.Navigation("Apothecary");
@ -418,6 +419,15 @@ namespace HospitalDatabaseImplement.Migrations
b.Navigation("Treatment");
});
modelBuilder.Entity("HospitalDatabaseImplement.Models.Apothecary", b =>
{
b.Navigation("Medicines");
b.Navigation("Prescriptions");
b.Navigation("Recipes");
});
modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
{
b.Navigation("Prescriptions");

10
Hospital/HospitalDatabaseImplement/Models/Apothecary.cs
View File

@ -2,6 +2,7 @@
using HospitalContracts.ViewModels;
using HospitalDataModels.Models;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace HospitalDatabaseImplement.Models
{
@ -15,6 +16,15 @@ namespace HospitalDatabaseImplement.Models
[MaxLength(55)]
public string Password { get; private set; } = string.Empty;
[ForeignKey("ApothecaryId")]
public virtual List<Medicine> Medicines { get; set; } = new();
[ForeignKey("ApothecaryId")]
public virtual List<Recipe> Recipes { get; set; } = new();
[ForeignKey("ApothecaryId")]
public virtual List<Prescription> Prescriptions { get; set; } = new();
public static Apothecary? Create(ApothecaryBindingModel model)
{
if (model == null)

2
Hospital/HospitalDatabaseImplement/Models/Medicine.cs
View File

@ -22,7 +22,7 @@ namespace HospitalDatabaseImplement.Models
public string Dose { get; private set; } = string.Empty;
[Required]
public int ApothecaryId { get; private set; } = -1;
public int ApothecaryId { get; private set; }
public virtual Apothecary Apothecary { get; set; }