PIbd-21_CourseWork_Polyclin.../Polyclinic/PolyclinicDatabaseImplement/Models/Course.cs

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using PolyclinicContracts.BindingModels;
using PolyclinicContracts.ViewModels;
using PolyclinicDataModels.Models;
using SecuritySystemDatabaseImplement;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace PolyclinicDatabaseImplement.Models
{
public class Course : ICourseModel
{
public int Id { get; set; }
[Required]
public int DaysCount { get; set; }
[Required]
public int PillsPerDay { get; set; }
public string Comment { get; set; } = string.Empty;
[ForeignKey("CourseId")]
public virtual List<CourseDiagnose> Diagnoses { get; set; } = new();
private Dictionary<int, IDiagnoseModel>? _courseDiagnoses = null;
[NotMapped]
public Dictionary<int, IDiagnoseModel> CourseDiagnoses
{
get
{
if (_courseDiagnoses == null)
{
_courseDiagnoses = Diagnoses.ToDictionary(
courseDiagnose => courseDiagnose.DiagnoseId,
courseDiagnose => courseDiagnose.Diagnose as IDiagnoseModel
);
}
return _courseDiagnoses;
}
}
public static Course Create(PolyclinicDatabase context, CourseBindingModel model)
{
return new Course()
{
Id = model.Id,
DaysCount = model.DaysCount,
PillsPerDay = model.PillsPerDay,
Comment = model.Comment,
Diagnoses = model.CourseDiagnoses.Select(courseDiagnose => new CourseDiagnose
{
Diagnose = context.Diagnoses.First(diagnose => diagnose.Id == courseDiagnose.Key)
}).ToList()
};
}
public void Update(CourseBindingModel model)
{
DaysCount = model.DaysCount;
PillsPerDay = model.PillsPerDay;
Comment = model.Comment;
}
public CourseViewModel GetViewModel => new()
{
Id = Id,
DaysCount = DaysCount,
PillsPerDay = PillsPerDay,
Comment = Comment,
CourseDiagnoses = CourseDiagnoses
};
public void UpdateDiagnoses(PolyclinicDatabase context, CourseBindingModel model)
{
var courseDiagnoses = context.CourseDiagnoses.Where(rec => rec.CourseId == model.Id).ToList();
if (courseDiagnoses != null && courseDiagnoses.Count > 0)
{
// удалили те, которых нет в модели
context.CourseDiagnoses.RemoveRange(courseDiagnoses
.Where(rec => !model.CourseDiagnoses.ContainsKey(rec.DiagnoseId)));
context.SaveChanges();
}
var course = context.Courses.First(x => x.Id == Id);
foreach (var pc in model.CourseDiagnoses)
{
context.CourseDiagnoses.Add(new CourseDiagnose
{
Course = course,
Diagnose = context.Diagnoses.First(x => x.Id == pc.Key),
});
context.SaveChanges();
}
_courseDiagnoses = null;
}
}
}