console_ui/GroupUI.cs

@@ -1,4 +1,6 @@
-using domain.Service;
+using domain.Request;
+using domain.Service;
+using domain.UseCase;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,8 +11,8 @@ namespace console_ui
 {
     class GroupUI
     {
-        private readonly GroupService _groupService;
-        public GroupUI(GroupService groupService)
+        private readonly IGroupUseCase _groupService;
+        public GroupUI(IGroupUseCase groupService)
         {
             _groupService = groupService;
         }
@@ -20,5 +22,24 @@ namespace console_ui
             Console.WriteLine("Enter group name: ");
             _groupService.AddGroup(new domain.Request.AddGroupRequest { Name = Console.ReadLine() });
         }
+
+        public void AddGroupWithStudents()
+        {
+            Console.WriteLine("Enter group name: ");
+            AddGroupRequest addGroupRequest = new AddGroupRequest { Name = Console.ReadLine() };
+            List<AddStudentRequest> addStudentRequests = new List<AddStudentRequest>()
+            {
+                new AddStudentRequest{ StudentName = "StudentName1"},
+                new AddStudentRequest{ StudentName = "StudentName2"},
+                new AddStudentRequest{ StudentName = "StudentName3"},
+                new AddStudentRequest{ StudentName = "StudentName4"},
+            };
+            AddGroupWithStudentsRequest addGroupWithStudents = new AddGroupWithStudentsRequest
+            {
+                addGroupRequest = addGroupRequest,
+                addStudentRequests = addStudentRequests
+            };
+            _groupService.AddGroupWithStudents(addGroupWithStudents);
+        }
     }
 }

console_ui/Program.cs

@@ -3,23 +3,28 @@ using data;
 using data.DAO;
 using data.Repository;
 using domain.Service;
+using domain.UseCase;
+using Microsoft.Extensions.DependencyInjection;
 
 void printAllGroups(IGroupRepository groupRepository)
 {
+    Console.WriteLine("Groups:");
     foreach (var item in groupRepository.getAllGroup())
     {
         Console.WriteLine(item.Name);
     }
 }
 
-RemoteDatabaseContext remoteDatabaseContext = new RemoteDatabaseContext();
-SQLGroupRepository groupRepository = new SQLGroupRepository(remoteDatabaseContext);
-LocalGroupRepository localGroupRepository = new LocalGroupRepository();
-GroupService groupService = new GroupService(groupRepository);
-GroupUI group = new GroupUI(groupService);
+IServiceCollection serviceCollection = new ServiceCollection();
 
-group.AddGroup();
+serviceCollection
+    .AddDbContext<RemoteDatabaseContext>()
+    .AddSingleton<IGroupRepository, SQLGroupRepository>()
+    .AddSingleton<IGroupUseCase, GroupService>()
+    .AddSingleton<GroupUI>();
 
-printAllGroups(groupRepository);
+var serviceProvider = serviceCollection.BuildServiceProvider();
+var groupUI = serviceProvider.GetService<GroupUI>();
+groupUI?.AddGroup();
 
 

console_ui/console_ui.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -7,6 +7,10 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\data\data.csproj" />
     <ProjectReference Include="..\domain\domain.csproj" />

data/Repository/IGroupRepository.cs

@@ -11,5 +11,6 @@ namespace data.Repository
     {
         public IEnumerable<GroupDAO> getAllGroup();
         public bool addGroup(GroupDAO group);
+        public bool addGroupWithStudents(GroupDAO group, IEnumerable<UserDAO> userDAOs);
     }
 }

data/Repository/LocalGroupRepository.cs

@@ -1,29 +0,0 @@
-using data.DAO;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace data.Repository
-{
-    public class LocalGroupRepository : IGroupRepository
-    {
-        private IEnumerable<GroupDAO> _groups = new List<GroupDAO>()
-        {
-            new GroupDAO{ Id = 1, Name = "g1" },
-            new GroupDAO{ Id = 2, Name = "g2" },
-            new GroupDAO{ Id = 3, Name = "g3" },
-            new GroupDAO{ Id = 4, Name = "g4" }
-        };
-        public bool addGroup(GroupDAO group)
-        {
-            throw new NotImplementedException();
-        }
-
-        public IEnumerable<GroupDAO> getAllGroup()
-        {
-            return _groups;
-        }
-    }
-}

data/Repository/SQLGroupRepository.cs

@@ -36,5 +36,27 @@ namespace data.Repository
                 return new List<GroupDAO>();
             }
         }
+
+        public bool addGroupWithStudents(GroupDAO groupDAO, IEnumerable<UserDAO> userDAOs)
+        {
+            using var transaction = dbContext.Database.BeginTransaction();
+            try
+            {
+                dbContext.groups.Add(groupDAO);
+                dbContext.SaveChanges();
+                foreach (var item in userDAOs)
+                {
+                    item.Group = groupDAO;
+                    dbContext.users.Add(item);
+                }
+                dbContext.SaveChanges();
+                transaction.Commit();
+                return true;
+            } catch
+            {
+                transaction.Rollback();
+            }
+            return false;
+        }
     }
 }

domain/Request/AddGroupWithStudentsRequest.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace domain.Request
+{
+    public class AddGroupWithStudentsRequest
+    {
+        public AddGroupRequest addGroupRequest { get; set; }
+        public IEnumerable<AddStudentRequest> addStudentRequests { get; set; }
+    }
+}

domain/Request/AddStudentRequest.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace domain.Request
+{
+    public class AddStudentRequest
+    {
+        public string StudentName { get; set; }
+    }
+}

domain/Service/GroupService.cs

@@ -1,4 +1,5 @@
-using data.Repository;
+using data.DAO;
+using data.Repository;
 using domain.Request;
 using domain.UseCase;
 using System;
@@ -20,5 +21,14 @@ namespace domain.Service
         {
             _groupRepository.addGroup(new data.DAO.GroupDAO { Name = addGroupRequest.Name });
         }
+
+        public void AddGroupWithStudents(AddGroupWithStudentsRequest addGroupWithStudents)
+        {
+            GroupDAO groupDAO = new GroupDAO() { Name = addGroupWithStudents.addGroupRequest.Name };
+            List<UserDAO> users = addGroupWithStudents.addStudentRequests
+                .Select(it => new UserDAO { Name = it.StudentName })
+                .ToList();
+            _groupRepository.addGroupWithStudents(groupDAO, users);
+        }
     }
 }

domain/UseCase/IGroupUseCase.cs

@@ -10,5 +10,6 @@ namespace domain.UseCase
     public interface IGroupUseCase
     {
         public void AddGroup(AddGroupRequest addGroupRequest);
+        public void AddGroupWithStudents(AddGroupWithStudentsRequest addGroupWithStudents);
     }
 }