Многие ко многим егор

University/UniversityClientApp/APIStorekeeper.cs

@@ -4,6 +4,9 @@ using System.Net.Http.Headers;
 using Newtonsoft.Json;
 using System.Text;
 using UniversityContracts.ViewModels;
+using Azure.Core;
+using UniversityDataModels.Models;
+using UniversityDatabaseImplement.Models;
 
 namespace UniversityClientAppStorekeeper
 {
@@ -44,5 +47,78 @@ namespace UniversityClientAppStorekeeper
 				throw new Exception(result);
 			}
 		}
+        public static async Task<T?> GetRequestDisciplineAsync<T>(string requestUrl)
+        {
+        var response = await _client.GetAsync(requestUrl);
+        var result = await response.Content.ReadAsStringAsync();
+        if (response.IsSuccessStatusCode)
+        {
+            var settings = new JsonSerializerSettings
+            {
+                Converters = new List<JsonConverter> { new StudentConverter()}
+            };
+
+            return JsonConvert.DeserializeObject<T>(result, settings);
+        }
+        else
+        {
+            throw new Exception(result);
+        }
+        }
+	}
+
+    
+
+    public class StudentConverter : JsonConverter
+    {
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType == typeof(IStudentModel);
+            //return true;
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            if (reader.TokenType == JsonToken.Null)
+                return null;
+
+            if (existingValue is Student student)
+                return student;
+
+            var student1 = new Student();
+            serializer.Populate(reader, student1);
+            return student1;
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            if (value == null)
+            {
+                writer.WriteNull();
+                return;
+            }
+
+            var student = (Student)value;
+            serializer.Serialize(writer, student);
+        }
+    }
+
+    public class DisciplineConverter : JsonConverter
+    {
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType == typeof(IDisciplineModel);
+            //return true;
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            return serializer.Deserialize<Discipline>(reader);
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            serializer.Serialize(writer, value);
+        }
     }
 }

University/UniversityClientApp/Controllers/HomeController.cs

@@ -79,15 +79,21 @@ namespace UniversityClientApp.Controllers
 		}
 
         [HttpGet]
-        public IActionResult Disciplines()
+        public async Task<IActionResult> Disciplines()
         {
             if (APIStorekeeper.Client == null)
             {
                 return Redirect("~/Home/Enter");
             }
+
             ViewBag.Teachers = APIStorekeeper.GetRequest<List<TeacherViewModel>>($"api/teacher/getteachers?userId={APIStorekeeper.Client.Id}");
             ViewBag.Students = APIStorekeeper.GetRequest<List<StudentViewModel>>($"api/student/getstudents?userId={APIStorekeeper.Client.Id}");
-            return View(APIStorekeeper.GetRequest<List<DisciplineViewModel>>($"api/discipline/getdisciplines?teacherId={0}"));
+
+            // Îæèäàåì çàâåðøåíèÿ àñèíõðîííîé îïåðàöèè
+            var disciplines = await APIStorekeeper.GetRequestDisciplineAsync<List<DisciplineViewModel>>($"api/discipline/getdisciplines?teacherId={0}");
+
+            // Òåïåðü ìû ìîæåì ïåðåäàòü ðåçóëüòàò â ïðåäñòàâëåíèå
+            return View(disciplines);
         }
         [HttpPost]
         public void Disciplines(string name, string description, DateOnly date, int teacher, List<int> studentIds)
@@ -112,49 +118,6 @@ namespace UniversityClientApp.Controllers
 
             Response.Redirect("Disciplines");
         }
-        /*public IActionResult Disciplines(string name, string description, DateOnly date, int teacher, List<int> studentIds)
-        {
-            if (APIStorekeeper.Client == null)
-            {
-                return RedirectToAction("Enter", "Home");
-            }
-
-            // Ïðåäïîëàãàåì, ÷òî ó âàñ åñòü äîñòóï ê êîíòåêñòó áàçû äàííûõ UniversityDatabase
-            using (var context = new UniversityDatabase())
-            {
-                // Ñîçäàåì ñëîâàðü äëÿ õðàíåíèÿ ñòóäåíòîâ
-                var studentDisciplines = new Dictionary<int, IStudentModel>();
-
-                // Èòåðèðóåì ïî ñïèñêó èäåíòèôèêàòîðîâ ñòóäåíòîâ
-                foreach (var studentId in studentIds)
-                {
-                    // Ïîëó÷àåì ñòóäåíòà èç áàçû äàííûõ èëè ñîçäàåì íîâûé ýêçåìïëÿð Student
-                    // Âàì íóæíî áóäåò çàïîëíèòü íåîáõîäèìûå ñâîéñòâà, òàêèå êàê UserId, PlanOfStudyId, Name è PhoneNumber
-                    var student = context.Students.Find(studentId);
-                    
-                    // Äîáàâëÿåì ñòóäåíòà â ñëîâàðü
-                    studentDisciplines.Add(studentId, student);
-                }
-
-                var disciplineModel = new DisciplineBindingModel
-                {
-                    UserId = APIStorekeeper.Client.Id,
-                    Name = name,
-                    Description = description,
-                    Date = date,
-                    TeacherId = teacher,
-                    StudentDisciplines = studentDisciplines
-                };
-
-                APIStorekeeper.PostRequest("api/discipline/creatediscipline", disciplineModel);
-
-                return RedirectToAction("Disciplines");
-            }
-        }*/
-
-
-
-
 
 
 

University/UniversityContracts/ViewModels/DisciplineViewModel.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
 using System.Text;
+using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 using UniversityDataModels.Models;
 
@@ -25,5 +26,12 @@ namespace UniversityContracts.ViewModels
             get;
             set;
         } = new();
+
+        public DisciplineViewModel() { }
+
+        [JsonConstructor]
+        public DisciplineViewModel(Dictionary<int, StudentViewModel> disciplineStudents) {
+            this.StudentDisciplines = disciplineStudents.ToDictionary(x => x.Key, x => x.Value as IStudentModel);
+        }
     }
 }