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