все crud сделаны. Привязка из нескольких записей групп для приказа сделана. Привязка из одной записи студента для статуса обучения сделана.

Остались отчеты, возможно графики и дезигн

UniversityBusinessLogic/BusinessLogics/EducationGroupLogic.cs

@@ -4,13 +4,14 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using UniversityContracts.BindingModels;
+using UniversityContracts.BusinessLogicContracts;
 using UniversityContracts.SearchModels;
 using UniversityContracts.StoragesContracts;
 using UniversityContracts.ViewModels;
 
 namespace UniversityBusinessLogic.BusinessLogics
 {
-    public class EducationGroupLogic
+    public class EducationGroupLogic : IEducationGroupLogic
     {
         private readonly IEducationGroupStorage _egStorage;
 

UniversityContracts/BindingModels/DocumentBindingModel.cs

@@ -15,5 +15,6 @@ namespace UniversityContracts.BindingModels
         public DateTime Date { get; set; } = DateTime.Now;
         public int UserId { get; set; }
         public List<StudentViewModel> DocumentStudents { get; set; } = new();
+        public List<EducationGroupViewModel> DocumentGroups { get; set; } = new();
     }
 }

UniversityContracts/ViewModels/DocumentViewModel.cs

@@ -18,5 +18,6 @@ namespace UniversityContracts.ViewModels
         [DisplayName("Дата создания документа")]
         public DateTime Date { get; set; } = DateTime.Now;
         public List<StudentViewModel> DocumentStudents { get; set; } = new();
+        public List<EducationGroupViewModel> DocumentEdGroups { get; set; } = new();        
     }
 }

UniversityContracts/ViewModels/EducationGroupViewModel.cs

@@ -4,16 +4,27 @@ using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using UniversityModels.Models;
 
 namespace UniversityContracts.ViewModels
 {
-    public class EducationGroupViewModel
+    public class EducationGroupViewModel : IEducationGroupModel
     {
         public int Id { get; set; }
         [DisplayName("Название группы")]
         public string Name { get; set; } = string.Empty;
         [DisplayName("Количество студентов в группе")]
-        public int NumberOfStudents { get; set; }
+        public int NumberOfStudent { get; set; }
         public int UserId { get; set; }
+
+        public EducationGroupViewModel() { }
+
+        public EducationGroupViewModel(IEducationGroupModel model)
+        {
+            Id = model.Id;
+            UserId = model.UserId;
+            Name = model.Name;
+            NumberOfStudent = model.NumberOfStudent;
+        }
     }
 }

UniversityDataBaseImplemet/Implements/DocumentStorage.cs

@@ -28,6 +28,8 @@ namespace UniversityDataBaseImplemet.Implements
                 .Include(record => record.User)
                 .Include(record => record.Students)
                     .ThenInclude(record => record.Student)
+                .Include(record => record.EducationGroupDocument)
+                    .ThenInclude(record => record.EducationGroup)
                 .FirstOrDefault(record => record.Id == model.Id
                     || record.Name.Equals(model.Name))
                 ?.GetViewModel;
@@ -113,6 +115,7 @@ namespace UniversityDataBaseImplemet.Implements
                 document.Update(model);
                 context.SaveChanges();
                 document.UpdateStudents(context, model);
+                document.UpdateGroups(context, model);
                 transaction.Commit();
                 return document.GetViewModel;
             }
@@ -127,6 +130,7 @@ namespace UniversityDataBaseImplemet.Implements
             using var context = new Database();
             var document = context.Documents
                 .Include(record => record.User)
+                .Include(record => record.Students)
                 .FirstOrDefault(record => record.Id.Equals(model.Id));
             if (document == null)
             {

UniversityDataBaseImplemet/Implements/EducationGroupStorage.cs

@@ -1,16 +1,18 @@
-using System;
+using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using UniversityContracts.BindingModels;
 using UniversityContracts.SearchModels;
+using UniversityContracts.StoragesContracts;
 using UniversityContracts.ViewModels;
 using UniversityDataBaseImplemet.Models;
 
 namespace UniversityDataBaseImplemet.Implements
 {
-    public class EducationGroupStorage
+    public class EducationGroupStorage : IEducationGroupStorage
     {
         public EducationGroupViewModel? GetElement(EducationGroupSearchModel model)
         {

UniversityDataBaseImplemet/Implements/EducationStatusStorage.cs

@@ -57,7 +57,6 @@ namespace UniversityDataBaseImplemet.Implements
         {
             using var context = new Database();
             return context.EducationStatuses                
-                .Include(record => record.User)
                 .Select(record => record.GetViewModel)
                 .ToList();
         }
@@ -108,6 +107,7 @@ namespace UniversityDataBaseImplemet.Implements
             using var context = new Database();
             var educationStatus = context.EducationStatuses
                 .Include(record => record.User)
+                .Include(record => record.Students)
                 .FirstOrDefault(record => record.Id.Equals(model.Id));
             if (educationStatus == null)
             {

UniversityDataBaseImplemet/Migrations/20230518085846_fix.Designer.cs

@@ -0,0 +1,485 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using UniversityDataBaseImplemet;
+
+#nullable disable
+
+namespace UniversityDataBaseImplemet.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20230518085846_fix")]
+    partial class fix
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Discipline", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Hours")
+                        .HasColumnType("integer");
+
+                    b.Property<bool>("MarkType")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("StreamId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("StreamId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Discipline");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Document", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Documents");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationGroup", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("NumberOfStudent")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("EducationGroups");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationGroupDocument", b =>
+                {
+                    b.Property<int>("EducationGroupId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("DocumentId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("EducationGroupId", "DocumentId");
+
+                    b.HasIndex("DocumentId");
+
+                    b.ToTable("EducationGroupsDocuments");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationGroupStream", b =>
+                {
+                    b.Property<int>("EducationGroupId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("StreamId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("EducationGroupId", "StreamId");
+
+                    b.HasIndex("StreamId");
+
+                    b.ToTable("EducationGroupsStreams");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationStatus", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("EducationStatuses");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Stream", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Course")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Streams");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Student", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateOfBirth")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int?>("EducationStatusId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("StudentCard")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Surname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("EducationStatusId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Students");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.StudentDocument", b =>
+                {
+                    b.Property<int>("StudentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("DocumentId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("StudentId", "DocumentId");
+
+                    b.HasIndex("DocumentId");
+
+                    b.ToTable("StudentDocuments");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.StudentStream", b =>
+                {
+                    b.Property<int>("StudentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("StreamId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("StudentId", "StreamId");
+
+                    b.HasIndex("StreamId");
+
+                    b.ToTable("StudentStreams");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Role")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("User");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Discipline", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.Stream", "Stream")
+                        .WithMany()
+                        .HasForeignKey("StreamId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("UniversityDataBaseImplemet.Models.User", "User")
+                        .WithMany("Disciplines")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Stream");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Document", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.User", "User")
+                        .WithMany("Documents")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationGroup", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.User", "User")
+                        .WithMany("EducationGroups")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationGroupDocument", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.Document", "Document")
+                        .WithMany("EducationGroupDocument")
+                        .HasForeignKey("DocumentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("UniversityDataBaseImplemet.Models.EducationGroup", "EducationGroup")
+                        .WithMany("EducationGroupDocument")
+                        .HasForeignKey("EducationGroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Document");
+
+                    b.Navigation("EducationGroup");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationGroupStream", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.EducationGroup", "EducationGroup")
+                        .WithMany("EducationGroupStream")
+                        .HasForeignKey("EducationGroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("UniversityDataBaseImplemet.Models.Stream", "Stream")
+                        .WithMany("EducationGroupStream")
+                        .HasForeignKey("StreamId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("EducationGroup");
+
+                    b.Navigation("Stream");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationStatus", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.User", "User")
+                        .WithMany("EducationStatuses")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Stream", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.User", "User")
+                        .WithMany("Streams")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Student", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.EducationStatus", "EducationStatus")
+                        .WithMany("Students")
+                        .HasForeignKey("EducationStatusId");
+
+                    b.HasOne("UniversityDataBaseImplemet.Models.User", "User")
+                        .WithMany("Students")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("EducationStatus");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.StudentDocument", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.Document", "Document")
+                        .WithMany("Students")
+                        .HasForeignKey("DocumentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("UniversityDataBaseImplemet.Models.Student", "Student")
+                        .WithMany("DocumentStudents")
+                        .HasForeignKey("StudentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Document");
+
+                    b.Navigation("Student");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.StudentStream", b =>
+                {
+                    b.HasOne("UniversityDataBaseImplemet.Models.Stream", "Stream")
+                        .WithMany("StreamStudents")
+                        .HasForeignKey("StreamId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("UniversityDataBaseImplemet.Models.Student", "Student")
+                        .WithMany("StudentStream")
+                        .HasForeignKey("StudentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Stream");
+
+                    b.Navigation("Student");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Document", b =>
+                {
+                    b.Navigation("EducationGroupDocument");
+
+                    b.Navigation("Students");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationGroup", b =>
+                {
+                    b.Navigation("EducationGroupDocument");
+
+                    b.Navigation("EducationGroupStream");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.EducationStatus", b =>
+                {
+                    b.Navigation("Students");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Stream", b =>
+                {
+                    b.Navigation("EducationGroupStream");
+
+                    b.Navigation("StreamStudents");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.Student", b =>
+                {
+                    b.Navigation("DocumentStudents");
+
+                    b.Navigation("StudentStream");
+                });
+
+            modelBuilder.Entity("UniversityDataBaseImplemet.Models.User", b =>
+                {
+                    b.Navigation("Disciplines");
+
+                    b.Navigation("Documents");
+
+                    b.Navigation("EducationGroups");
+
+                    b.Navigation("EducationStatuses");
+
+                    b.Navigation("Streams");
+
+                    b.Navigation("Students");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

UniversityDataBaseImplemet/Migrations/20230518085846_fix.cs

@@ -0,0 +1,62 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace UniversityDataBaseImplemet.Migrations
+{
+    /// <inheritdoc />
+    public partial class fix : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "StudentStreams");
+
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "StudentDocuments");
+
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "EducationGroupsStreams");
+
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "EducationGroupsDocuments");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "Id",
+                table: "StudentStreams",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<int>(
+                name: "Id",
+                table: "StudentDocuments",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<int>(
+                name: "Id",
+                table: "EducationGroupsStreams",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<int>(
+                name: "Id",
+                table: "EducationGroupsDocuments",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+        }
+    }
+}

UniversityDataBaseImplemet/Migrations/DatabaseModelSnapshot.cs

@@ -113,9 +113,6 @@ namespace UniversityDataBaseImplemet.Migrations
                     b.Property<int>("DocumentId")
                         .HasColumnType("integer");
 
-                    b.Property<int>("Id")
-                        .HasColumnType("integer");
-
                     b.HasKey("EducationGroupId", "DocumentId");
 
                     b.HasIndex("DocumentId");
@@ -131,9 +128,6 @@ namespace UniversityDataBaseImplemet.Migrations
                     b.Property<int>("StreamId")
                         .HasColumnType("integer");
 
-                    b.Property<int>("Id")
-                        .HasColumnType("integer");
-
                     b.HasKey("EducationGroupId", "StreamId");
 
                     b.HasIndex("StreamId");
@@ -233,9 +227,6 @@ namespace UniversityDataBaseImplemet.Migrations
                     b.Property<int>("DocumentId")
                         .HasColumnType("integer");
 
-                    b.Property<int>("Id")
-                        .HasColumnType("integer");
-
                     b.HasKey("StudentId", "DocumentId");
 
                     b.HasIndex("DocumentId");
@@ -251,9 +242,6 @@ namespace UniversityDataBaseImplemet.Migrations
                     b.Property<int>("StreamId")
                         .HasColumnType("integer");
 
-                    b.Property<int>("Id")
-                        .HasColumnType("integer");
-
                     b.HasKey("StudentId", "StreamId");
 
                     b.HasIndex("StreamId");

UniversityDataBaseImplemet/Models/Document.cs

@@ -38,6 +38,19 @@ namespace UniversityDataBaseImplemet.Models
                 return _documentStudents;
             }
         }
+        private List<EducationGroupViewModel>? _documentEdGroups = null;
+        [NotMapped]
+        public List<EducationGroupViewModel> DocumentEdGroups
+        {
+            get
+            {
+                if (_documentEdGroups == null)
+                {
+                    _documentEdGroups = EducationGroupDocument.Select(x => new EducationGroupViewModel(x.EducationGroup)).ToList();
+                }
+                return _documentEdGroups;
+            }
+        }
         public static Document? Create(Database context, DocumentBindingModel? model)
         {
             if (model == null)
@@ -89,13 +102,37 @@ namespace UniversityDataBaseImplemet.Models
             }
             _documentStudents = null;
         }
+        public void UpdateGroups(Database context, DocumentBindingModel model)
+        {
+            var documentGroups = context.EducationGroupsDocuments.Where(x => x.DocumentId == model.Id).ToList();
+            List<int> currentGroups = documentGroups.Select(x => x.EducationGroupId).ToList();
+            List<int> modelGroups = model.DocumentGroups.Select(x => x.Id).ToList();
+            if (documentGroups != null && documentGroups.Count > 0)
+            {
+                context.EducationGroupsDocuments.RemoveRange(documentGroups.Where(x => !modelGroups.Contains(x.EducationGroupId)));
+                model.DocumentGroups.RemoveAll(x => currentGroups.Contains(x.Id));
+                context.SaveChanges();
+            }
+            var document = context.Documents.First(x => x.Id == Id);
+            foreach (var record in model.DocumentGroups)
+            {
+                context.EducationGroupsDocuments.Add(new EducationGroupDocument
+                {
+                    Document = document,
+                    EducationGroup = context.EducationGroups.First(x => x.Id == record.Id),
+                });
+                context.SaveChanges();
+            }
+            _documentEdGroups = null;
+        }
         public DocumentViewModel GetViewModel => new()
         {
             Id = Id,
             Name = Name,
             Date = Date,
             UserId = UserId,
-            DocumentStudents = DocumentStudents
+            DocumentStudents = DocumentStudents,
+            DocumentEdGroups = DocumentEdGroups,
         };
     }
 }

UniversityDataBaseImplemet/Models/EducationGroup.cs

@@ -50,7 +50,7 @@ namespace UniversityDataBaseImplemet.Models
             Id = Id,
             Name = Name,
             UserId = UserId,
-            NumberOfStudents= NumberOfStudent
+            NumberOfStudent = NumberOfStudent
         };
 
     }

UniversityDataBaseImplemet/Models/EducationGroupDocument.cs

@@ -9,7 +9,6 @@ namespace UniversityDataBaseImplemet.Models
 {
     public class EducationGroupDocument
     {
-        public int Id { get; set; }
         [Required]
         public int EducationGroupId { get; set; }
         [Required]

UniversityDataBaseImplemet/Models/EducationGroupStream.cs

@@ -9,7 +9,6 @@ namespace UniversityDataBaseImplemet.Models
 {
     public class EducationGroupStream
     {
-        public int Id { get; set; }
         [Required]
         public int EducationGroupId { get; set; }
         [Required]

UniversityDataBaseImplemet/Models/StudentDocument.cs

@@ -9,7 +9,6 @@ namespace UniversityDataBaseImplemet.Models
 {
     public class StudentDocument
     {
-        public int Id { get; set; }
         [Required]
         public int StudentId { get; set; }
         [Required]

UniversityDataBaseImplemet/Models/StudentStream.cs

@@ -9,7 +9,6 @@ namespace UniversityDataBaseImplemet.Models
 {
     public class StudentStream
     {
-        public int Id { get; set; }
         [Required]
         public int StudentId { get; set; }
         [Required]

UniversityProvider/Controllers/DocumentController.cs

@@ -69,6 +69,26 @@ namespace UniversityProvider.Controllers
 			APIClient.PostRequest("api/document/update", documentModel);
 		}
 
+        public IActionResult Bind(int id)
+        {
+            if (APIClient.User == null)
+            {
+                return Redirect("~/Home/Enter");
+            }
+            ViewBag.Document = APIClient.GetRequest<DocumentViewModel>($"api/document/get?id={id}");
+            return View();
+        }
+
+        [HttpPost]
+        public void Bind([FromBody] DocumentBindingModel documentModel)
+        {
+            if (APIClient.User == null)
+            {
+                throw new Exception("403");
+            }
+            APIClient.PostRequest("api/document/update", documentModel);
+        }
+
         [HttpPost]
 		public void Delete(int id)
 		{
@@ -90,6 +110,16 @@ namespace UniversityProvider.Controllers
 			return document ?? new();
 		}
 
+        public List<EducationGroupViewModel> GetAllGroups()
+        {
+            if (APIClient.User == null)
+            {
+                return new();
+            }
+            List<EducationGroupViewModel>? group = APIClient.GetRequest<List<EducationGroupViewModel>>("api/document/GetAllGroups");
+            return group ?? new();
+        }
+
         public DocumentViewModel? Get(int id)
 		{
 			if (APIClient.User == null)

UniversityProvider/Views/Document/Bind.cshtml

@@ -0,0 +1,35 @@
+@{
+    ViewData["Title"] = "Приказ";
+}
+
+@{
+    <h4 id="document-data" class="fw-bold" data-id="@ViewBag.Document.Id">Привязка группы к приказу</h4>
+
+    <div id="error-div-shell" class="error-div-shell mb-2">
+        <div>
+            <p id="error-p" class="error-p"></p>
+        </div>
+    </div>
+
+    <p class="mb-0">Название:</p>
+    <input type="text" readonly value="@ViewBag.Document.Name" id="name-input" name="name" class="form-control mb-3" />
+
+    <button id="create-button" type="button" class="button-primary text-button">
+        Сохранить привязку
+    </button>
+
+    <div>
+        <div class="scrollable-table">
+            <table class="table table-bordered">
+                <thead class="thead-light">
+                    <tr>
+                        <th>Название группы:</th>
+                    </tr>
+                </thead>
+                <tbody id="scrollable-table__tbody">
+                </tbody>
+            </table>
+        </div>
+    </div>
+}
+<script src="~/js/document/document-bind.js" asp-append-version="true"></script>

UniversityProvider/Views/Document/Update.cshtml

@@ -1,5 +1,39 @@
-@*
+@{
-    For more information on enabling MVC for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
+    ViewData["Title"] = "Приказ";
-*@
-@{
 }
+
+@{
+    <h4 id="document-data" class="fw-bold" data-id="@ViewBag.Document.Id">Обновление приказа</h4>
+
+    <div id="error-div-shell" class="error-div-shell mb-2">
+        <div>
+            <p id="error-p" class="error-p"></p>
+        </div>
+    </div>
+
+    <p class="mb-0">Название:</p>
+    <input type="text" value="@ViewBag.Document.Name" id="name-input" name="name" class="form-control mb-3" />
+
+    <button id="create-button" type="button" class="button-primary text-button">
+        Сохранить изменения
+    </button>
+
+    <div>
+        <div class="scrollable-table">
+            <table class="table table-bordered">
+                <thead class="thead-light">
+                <tr>
+                    <th>Имя</th>
+                    <th>Фамилия</th>
+                    <th>Дата рождения</th>
+                    <th>Номер студ. билета</th>
+                    <th>Статус обучения</th>
+                </tr>
+                </thead>
+                <tbody id="scrollable-table__tbody">
+                </tbody>
+            </table>
+         </div>
+    </div>
+}
+<script src="~/js/document/document-update.js" asp-append-version="true"></script>

UniversityProvider/Views/Home/Documents.cshtml

@@ -55,6 +55,9 @@
 						<td>
 							@item.Date.ToString("yyyy-MM-dd")
 						</td>
+						<td>
+							<a id="update-button-@item.Id" class="btn btn-secondary" asp-controller="Document" asp-action="Bind" asp-route-id="@item.Id">Привязка</a>
+						</td>
 						<td>
 							<a id="update-button-@item.Id" class="btn btn-secondary" asp-controller="Document" asp-action="Update" asp-route-id="@item.Id">Изменить</a>
 						</td>
@@ -68,4 +71,4 @@
 	}
 </div>
 
-<script src="~/js/documents/documents.js" asp-append-version="true"></script>
+<script src="~/js/document/documents.js" asp-append-version="true"></script>

UniversityProvider/wwwroot/js/document/document-bind.js

@@ -0,0 +1,84 @@
+const createBtn = document.getElementById("create-button");
+const tbody = document.getElementById("scrollable-table__tbody");
+const nameInput = document.getElementById("name-input");
+const currentDocumentId = document.getElementById("document-data").dataset.id;
+var groups = [];
+var dataArray = [];
+var currentDocument = null;
+
+window.addEventListener('load', async () => {
+    await $.ajax({
+        url: "/document/getallgroups",
+        type: "GET",
+        contentType: "json"
+    }).done((result) => {
+        groups = result;   
+        console.log(groups)
+    });
+    await $.ajax({
+        url: `/document/get?id=${currentDocumentId}`,
+        type: "GET",
+        contentType: "json"
+    }).done((result) => {
+        currentDocument = result;
+        console.log(currentDocument)
+    });
+    groups.forEach((group) => createRowForGroupsTable(group));    
+})
+
+createBtn.addEventListener('click', () => {    
+    var documentGroupsUpdate = {
+        "Id": currentDocument.id,
+        "Name": currentDocument.name,
+        "Date": currentDocument.date,
+        "DocumentStudents": currentDocument.documentStudents,
+        "DocumentGroups": dataArray,
+    }
+    $.ajax({
+        url: "/document/update",
+        type: "POST",
+        contentType: "application/json",
+        data: JSON.stringify(documentGroupsUpdate)
+    }).done(() => {
+        window.location.href = "/Home/Documents";
+    });
+})
+
+const createRowForGroupsTable = (group) => {
+    const { id, name } = group;
+    const row = tbody.insertRow();
+    row.setAttribute("data-id", id);
+
+    const cells = [name];
+    cells.forEach((value) => {
+        const cell = row.insertCell();
+        cell.textContent = value;
+    });
+    console.log(currentDocument)
+    if (currentDocument.documentEdGroups?.find(x => parseInt(x.id) === parseInt(group.id))) {
+        row.classList.add("bg-success");
+        dataArray.push(group);
+    }
+
+    row.addEventListener('click', () => addAndRemoveFromList(row));
+};
+
+const formatDate = (dateString) => {
+    const date = new Date(dateString);
+    const year = date.getFullYear();
+    const month = ('0' + (date.getMonth() + 1)).slice(-2);
+    const day = ('0' + date.getDate()).slice(-2);
+    return `${year}-${month}-${day}`;
+};
+
+const addAndRemoveFromList = (row) => {
+    var id = parseInt(row.dataset.id);
+    var index = dataArray.indexOf(groups.find(x => x.id === id));
+    if (index === -1) {
+        dataArray.push(groups.find(x => x.id === id));
+        row.classList.add("bg-success");
+    } else {
+        dataArray.splice(index, 1);
+        row.classList.remove("bg-success");
+    }
+}

UniversityProvider/wwwroot/js/document/document-update.js

@@ -1 +1,82 @@
-
+const createBtn = document.getElementById("create-button");
+const tbody = document.getElementById("scrollable-table__tbody");
+const nameInput = document.getElementById("name-input");
+const currentDocumentId = document.getElementById("document-data").dataset.id;
+var students = [];
+var dataArray = [];
+var currentDocument = null;
+
+window.addEventListener('load', async () => {
+    await $.ajax({
+        url: "/student/getallbyuser",
+        type: "GET",
+        contentType: "json"
+    }).done((result) => {
+        students = result;        
+    });
+    await $.ajax({
+        url: `/document/get?id=${currentDocumentId}`,
+        type: "GET",
+        contentType: "json"
+    }).done((result) => {
+        currentDocument = result;
+    });
+    students.forEach((student) => createRowForStudentsTable(student));    
+})
+
+createBtn.addEventListener('click', () => {
+    var documentGroupsUpdate = {
+        "Id": currentDocument.id,
+        "Name": nameInput.value,
+        "Date": currentDocument.date,
+        "DocumentStudents": dataArray,
+        "DocumentGroups": currentDocument.documentEdGroups,
+    }
+    $.ajax({
+        url: "/document/update",
+        type: "POST",
+        contentType: "application/json",
+        data: JSON.stringify(documentGroupsUpdate)
+    }).done(() => {
+        window.location.href = "/Home/Documents";
+    });
+})
+
+const createRowForStudentsTable = (student) => {
+    const { id, name, surname, dateOfBirth, studentCard, educationStatusName } = student;
+    const row = tbody.insertRow();
+    row.setAttribute("data-id", id);
+
+    const cells = [name, surname, formatDate(dateOfBirth), studentCard, educationStatusName];
+    cells.forEach((value) => {
+        const cell = row.insertCell();
+        cell.textContent = value;
+    });
+
+    if (currentDocument.documentStudents.find(x => parseInt(x.id) === parseInt(student.id))) {
+        row.classList.add("bg-success");
+        dataArray.push(student);
+    }
+
+    row.addEventListener('click', () => addAndRemoveFromList(row));
+};
+
+const formatDate = (dateString) => {
+    const date = new Date(dateString);
+    const year = date.getFullYear();
+    const month = ('0' + (date.getMonth() + 1)).slice(-2);
+    const day = ('0' + date.getDate()).slice(-2);
+    return `${year}-${month}-${day}`;
+};
+
+const addAndRemoveFromList = (row) => {
+    var id = parseInt(row.dataset.id);
+    var index = dataArray.indexOf(students.find(x => x.id === id));
+    if (index === -1) {
+        dataArray.push(students.find(x => x.id === id));
+        row.classList.add("bg-success");
+    } else {
+        dataArray.splice(index, 1);
+        row.classList.remove("bg-success");
+    }
+}

UniversityProvider/wwwroot/js/document/documents.js

@@ -2,10 +2,12 @@
 const pageInput = document.getElementById("page-input");
 const removeButtons = document.querySelectorAll(".remove-btn");
 
+console.log(removeButtons)
+
 removeButtons.forEach(function (button) {
     button.addEventListener("click", function (event) {
         var id = this.dataset.id;
-
+        console.log(id)
         var result = confirm("Вы уверены, что хотите удалить эту запись?");
         if (result) {
             $.ajax({

UniversityRestAPI/Controllers/DocumentController.cs

@@ -11,10 +11,13 @@ namespace UniversityRestAPI.Controllers
     public class DocumentController : Controller
     {
         private readonly IDocumentLogic _documentLogic;
+        private readonly IEducationGroupLogic _edGroupLogic;
 
-        public DocumentController(IDocumentLogic documentLogic)
+        public DocumentController(IDocumentLogic documentLogic, 
+                            IEducationGroupLogic edGroupLogic)
         {
             _documentLogic = documentLogic;
+            _edGroupLogic = edGroupLogic;
         }
 
         [HttpGet]
@@ -56,6 +59,19 @@ namespace UniversityRestAPI.Controllers
             }
         }
 
+        [HttpGet]
+        public List<EducationGroupViewModel>? GetAllGroups()
+        {
+            try
+            {
+                return _edGroupLogic.ReadList(null);
+            }
+            catch (Exception ex)
+            {
+                throw;
+            }
+        }
+
         [HttpGet]
         public int GetNumberOfPages(int userId)
         {

UniversityRestAPI/Program.cs

@@ -11,11 +11,13 @@ builder.Services.AddTransient<IUserStorage, UserStorage>();
 builder.Services.AddTransient<IStudentStorage, StudentStorage>();
 builder.Services.AddTransient<IEducationStatusStorage, EducationStatusStorage>();
 builder.Services.AddTransient<IDocumentStorage, DocumentStorage>();
+builder.Services.AddTransient<IEducationGroupStorage, EducationGroupStorage>();
 
 builder.Services.AddTransient<IUserLogic, UserLogic>();
 builder.Services.AddTransient<IStudentLogic, StudentLogic>();
 builder.Services.AddTransient<IEducationStatusLogic, EducationStatusLogic>();
 builder.Services.AddTransient<IDocumentLogic, DocumentLogic>();
+builder.Services.AddTransient<IEducationGroupLogic, EducationGroupLogic>();
 
 builder.Services.AddControllers();