сделала возможными нулл поля SymptomId в таблице препаратов и CourseId в таблице рецептов, а еще допилила форму создания рецептов

Polyclinic/PolyclinicContracts/BindingModels/MedicamentBindingModel.cs

@@ -5,11 +5,9 @@ namespace PolyclinicContracts.BindingModels
     public class MedicamentBindingModel : IMedicamentModel
     {
         public int Id { get; set; }
-        public int SymptomId { get; set; }
+        public int? SymptomId { get; set; }
         public int ProcedureId { get; set; }
         public string Name { get; set; } = string.Empty;
         public string Comment { get; set; } = string.Empty;
-        public Dictionary<int, ISymptomModel> MedicamentSymptomes { get; set; } = new();
-        public Dictionary<int, IProcedureModel> MedicamentProcedures { get; set; } = new();
     }
 }

Polyclinic/PolyclinicContracts/BindingModels/RecipeBindingModel.cs

@@ -5,7 +5,7 @@ namespace PolyclinicContracts.BindingModels
     public class RecipeBindingModel : IRecipeModel
     {
         public int Id { get; set; }
-        public int CourseId { get; set; }
+        public int? CourseId { get; set; }
         public int ProceduresCount { get; set; }
         public string Comment { get; set; } = string.Empty;
         public Dictionary<int, IProcedureModel> RecipeProcedures { get; } = new();

Polyclinic/PolyclinicContracts/ViewModels/MedicamentViewModel.cs

@@ -7,7 +7,7 @@ namespace PolyclinicContracts.ViewModels
     {
         public int Id { get; set; }
         public int ProcedureId { get; set; }
-        public int SymptomId { get; set; }
+        public int? SymptomId { get; set; }
         [DisplayName("Название медикамента")]
         public string Name { get; set; } = string.Empty;
         [DisplayName("Комментарий")]

Polyclinic/PolyclinicContracts/ViewModels/RecipeViewModel.cs

@@ -12,7 +12,7 @@ namespace PolyclinicContracts.ViewModels
 
         [DisplayName("Комментарий")]
         public string Comment { get; set; } = string.Empty;
-        public int CourseId { get; set; }
+        public int? CourseId { get; set; }
         public Dictionary<int, IProcedureModel> RecipeProcedures { get; } = new();
     }
 }

Polyclinic/PolyclinicDataModels/Models/IMedicamentModel.cs

@@ -5,6 +5,6 @@
         string Name { get; }
         string Comment { get; }
         int ProcedureId { get; }
-        int SymptomId { get; }
+        int? SymptomId { get; }
     }
 }

Polyclinic/PolyclinicDataModels/Models/IRecipeModel.cs

@@ -4,7 +4,7 @@
     {
         int ProceduresCount { get; set; }
         string Comment { get; set; }
-        int CourseId { get; set; }
+        int? CourseId { get; set; }
         Dictionary<int, IProcedureModel> RecipeProcedures { get; }
     }
 }

Polyclinic/PolyclinicDatabaseImplement/Migrations/20240430202621_InitCreate.Designer.cs

@@ -1,4 +1,5 @@
 // <auto-generated />
+using System;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Metadata;
@@ -11,8 +12,8 @@ using SecuritySystemDatabaseImplement;
 namespace PolyclinicDatabaseImplement.Migrations
 {
     [DbContext(typeof(PolyclinicDatabase))]
-    [Migration("20240430185032_InitDatabase")]
+    [Migration("20240430202621_InitCreate")]
-    partial class InitDatabase
+    partial class InitCreate
     {
         /// <inheritdoc />
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -115,7 +116,8 @@ namespace PolyclinicDatabaseImplement.Migrations
                     b.Property<int>("ProcedureId")
                         .HasColumnType("int");
 
-                    b.Property<int>("SymptomId")
+                    b.Property<int?>("SymptomId")
+                        .IsRequired()
                         .HasColumnType("int");
 
                     b.HasKey("Id");
@@ -163,7 +165,7 @@ namespace PolyclinicDatabaseImplement.Migrations
                         .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
-                    b.Property<int>("CourseId")
+                    b.Property<int?>("CourseId")
                         .HasColumnType("int");
 
                     b.Property<int>("ProceduresCount")
@@ -347,9 +349,7 @@ namespace PolyclinicDatabaseImplement.Migrations
                 {
                     b.HasOne("PolyclinicDatabaseImplement.Models.Course", "Course")
                         .WithMany()
-                        .HasForeignKey("CourseId")
+                        .HasForeignKey("CourseId");
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
 
                     b.Navigation("Course");
                 });

Polyclinic/PolyclinicDatabaseImplement/Migrations/20240430202621_InitCreate.cs

@@ -5,7 +5,7 @@
 namespace PolyclinicDatabaseImplement.Migrations
 {
     /// <inheritdoc />
-    public partial class InitDatabase : Migration
+    public partial class InitCreate : Migration
     {
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
@@ -78,7 +78,7 @@ namespace PolyclinicDatabaseImplement.Migrations
                         .Annotation("SqlServer:Identity", "1, 1"),
                     ProceduresCount = table.Column<int>(type: "int", nullable: false),
                     Comment = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    CourseId = table.Column<int>(type: "int", nullable: false)
+                    CourseId = table.Column<int>(type: "int", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -87,8 +87,7 @@ namespace PolyclinicDatabaseImplement.Migrations
                         name: "FK_Recipes_Courses_CourseId",
                         column: x => x.CourseId,
                         principalTable: "Courses",
-                        principalColumn: "Id",
+                        principalColumn: "Id");
-                        onDelete: ReferentialAction.Cascade);
                 });
 
             migrationBuilder.CreateTable(

Polyclinic/PolyclinicDatabaseImplement/Migrations/PolyclinicDatabaseModelSnapshot.cs

@@ -1,4 +1,5 @@
 // <auto-generated />
+using System;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Metadata;
@@ -112,7 +113,8 @@ namespace PolyclinicDatabaseImplement.Migrations
                     b.Property<int>("ProcedureId")
                         .HasColumnType("int");
 
-                    b.Property<int>("SymptomId")
+                    b.Property<int?>("SymptomId")
+                        .IsRequired()
                         .HasColumnType("int");
 
                     b.HasKey("Id");
@@ -160,7 +162,7 @@ namespace PolyclinicDatabaseImplement.Migrations
                         .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
-                    b.Property<int>("CourseId")
+                    b.Property<int?>("CourseId")
                         .HasColumnType("int");
 
                     b.Property<int>("ProceduresCount")
@@ -344,9 +346,7 @@ namespace PolyclinicDatabaseImplement.Migrations
                 {
                     b.HasOne("PolyclinicDatabaseImplement.Models.Course", "Course")
                         .WithMany()
-                        .HasForeignKey("CourseId")
+                        .HasForeignKey("CourseId");
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
 
                     b.Navigation("Course");
                 });

Polyclinic/PolyclinicDatabaseImplement/Models/Medicament.cs

@@ -20,7 +20,7 @@ namespace PolyclinicDatabaseImplement.Models
         public int ProcedureId { get; set; }
 
         [Required]
-        public int SymptomId { get; set; }
+        public int? SymptomId { get; set; }
 
         public virtual Symptom? Symptom { get; set; }
         public virtual Procedure? Procedure { get; set; }
@@ -49,7 +49,7 @@ namespace PolyclinicDatabaseImplement.Models
             Name = Name,
             Comment = Comment,
             ProcedureId = ProcedureId,
-            SymptomId = SymptomId
+            SymptomId = Symptom?.Id ?? null
         };
     }
 }

Polyclinic/PolyclinicDatabaseImplement/Models/Recipe.cs

@@ -16,7 +16,7 @@ namespace PolyclinicDatabaseImplement.Models
 
         [Required]
         public string Comment { get; set; } = string.Empty;
-        public int CourseId { get; set; }
+        public int? CourseId { get; set; }
         public virtual Course Course { get; set; } = new();
 
         private Dictionary<int, IProcedureModel>? _recipeProcedures = null;
@@ -64,7 +64,7 @@ namespace PolyclinicDatabaseImplement.Models
             Id = Id,
             ProceduresCount = ProceduresCount,
             Comment = Comment,
-            CourseId = CourseId,
+            CourseId = Course?.Id ?? null,
         };
 
         public void UpdateProcedures(PolyclinicDatabase database, RecipeBindingModel bindingModel)

Polyclinic/PolyclinicDatabaseImplement/PolyclinicDatabaseImplement.csproj

@@ -20,8 +20,4 @@
     <ProjectReference Include="..\PolyclinicDataModels\PolyclinicDataModels.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Migrations\" />
-  </ItemGroup>
-
 </Project>

Polyclinic/PolyclinicWebAppSuretor/PolyclinicWebAppSuretor.csproj

@@ -6,6 +6,13 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.16">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\PolyclinicBusinessLogic\PolyclinicBusinessLogic.csproj" />
     <ProjectReference Include="..\PolyclinicContracts\PolyclinicContracts.csproj" />

Polyclinic/PolyclinicWebAppSuretor/Views/Home/CreateRecipe.cshtml

@@ -15,22 +15,41 @@
             <h3 class="col-3">
                 Количество процедур:
             </h3>
-            <input class="col-6" type="text" />
+            <input class="col-6" type="text" style="width: 45vh" />
         </div>
 
         <div class="d-flex flex-row mb-5 flex-row justify-content-between align-items-center">
             <h3 class="col-3">
                 Комментарий:
             </h3>
-            <textarea class="col-6" id="comment" name="comment">
+            <textarea class="col-6" id="comment" name="comment" style="width: 45vh">
 
             </textarea>
 
         </div>
 
-        <div class="d-flex flex-row mb-5">
+        @* <div class="d-flex flex-row mb-5 flex-row justify-content-between align-items-center">
-            <select id="procedure" name="procedure" class="form-control">
+            <h3 class="col-3">
-                <option value="">Выберите процедуру/ы</option>
+                Курс приема препарата:
+            </h3>
+            <select id="courseId" name="courseId" style="width: 45vh">
+                <option value="">Выберите курс приема</option>
+                @{
+                    int countCourse = 10;
+                    for (int i = 0; i < countCourse; i++)
+                    {
+                        <option value="@i">Курс составляет @i дней, имя у него @i</option>
+                    }
+                }
+            </select>
+        </div> *@
+
+        <div class="d-flex flex-row mb-5 justify-content-between align-items-center">
+            <h3 class="col-3">
+                Выбор процедуры:
+            </h3>
+            <select id="procedureId" name="procedureId" style="width: 45vh">
+                @* <option value="">Выберите процедуру/ы</option> *@
                 @{
                     int count = 3;
                     for (int i = 1; i <= count; i++)