CourseWork_SchoolStudyAgain/SchoolAgainStudy/SchoolAgainStudyDataBaseImplements/Models/Task.cs

104 lines
3.5 KiB
C#

using SchoolAgainStudyContracts.BindingModel;
using SchoolAgainStudyContracts.ViewModel;
using SchoolAgainStudyDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SchoolAgainStudyDataBaseImplements.Models
{
public class Task : ITask
{
[Required]
public string Title { get; set; } = string.Empty;
[Required]
public DateTime DateIssue { get; set; }
[Required]
public DateTime DateDelivery { get; set; }
public int TeacherId { get; set; }
private Dictionary<int, IMaterial>? _TaskMaterials = null;
[NotMapped]
public Dictionary<int, IMaterial> TaskMaterials { get
{
if (_TaskMaterials == null)
{
_TaskMaterials = Materials
.ToDictionary(recPC => recPC.MaterialId, recPC => (recPC.Material as IMaterial));
}
return _TaskMaterials;
}
}
public int Id { get; set; }
[ForeignKey("TaskId")]
public virtual List<TaskMaterial> Materials { get; set; } = new();
[ForeignKey("TaskId")]
public virtual List<Diy> Diys { get; set; } = new();
public static Task Create(SchoolDataBase context, TaskBindingModel model)
{
return new Task()
{
Id = model.Id,
Title = model.Title,
DateIssue = model.DateIssue,
DateDelivery = model.DateDelivery,
TeacherId = model.TeacherId,
Materials = model.TaskMaterials.Select(x => new TaskMaterial
{
Material = context.Materials.First(y => y.Id == x.Key),
}).ToList()
};
}
public void Update(TaskBindingModel model)
{
Title = model.Title;
DateIssue = model.DateIssue;
DateDelivery = model.DateDelivery;
}
public TaskViewModel GetViewModel => new()
{
Id = Id,
Title = Title,
DateIssue = DateIssue,
DateDelivery = DateDelivery,
TeacherId = TeacherId,
TaskMaterials = TaskMaterials
};
public void UpdateMaterials(SchoolDataBase context, TaskBindingModel model)
{
var taskMaterials = context.TaskMaterials.Where(rec => rec.TaskId == model.Id).ToList();
if (taskMaterials != null && taskMaterials.Count > 0)
{
context.TaskMaterials.RemoveRange(taskMaterials.Where(rec => !model.TaskMaterials.ContainsKey(rec.MaterialId)));
context.SaveChanges();
foreach (var updateMaterial in taskMaterials)
{
model.TaskMaterials.Remove(updateMaterial.MaterialId);
}
context.SaveChanges();
}
var task = context.Tasks.First(x => x.Id == Id);
foreach (var pc in model.TaskMaterials)
{
context.TaskMaterials.Add(new TaskMaterial
{
Task = task,
Material = context.Materials.First(x => x.Id == pc.Key),
});
context.SaveChanges();
}
_TaskMaterials = null;
}
}
}