StroevVladimir/CourseWork
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Многие ко многим егор

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GokaPek 2024-05-28 19:17:05 +04:00
parent 74537d905a
commit 9da8a0fd79
3 changed files with 92 additions and 45 deletions
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76
University/UniversityClientApp/APIStorekeeper.cs
View File

@ -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);
}
}
}

53
University/UniversityClientApp/Controllers/HomeController.cs
View File

@ -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");
}
}*/

8
University/UniversityContracts/ViewModels/DisciplineViewModel.cs
View File

@ -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);
}
}
}