Module.PremiumArea/Server/Repository/PremiumAreaRepository.cs

using System;
using Microsoft.EntityFrameworkCore;
using System.Linq;
using System.Collections.Generic;
using Oqtane.Modules;

namespace SZUAbsolventenverein.Module.PremiumArea.Repository
{
    public interface IPremiumAreaRepository
    {
        IEnumerable<Models.PremiumArea> GetPremiumAreas(int ModuleId);
        Models.PremiumArea GetPremiumArea(int PremiumAreaId);
        Models.PremiumArea GetPremiumArea(int PremiumAreaId, bool tracking);
        Models.PremiumArea AddPremiumArea(Models.PremiumArea PremiumArea);
        Models.PremiumArea UpdatePremiumArea(Models.PremiumArea PremiumArea);
        void DeletePremiumArea(int PremiumAreaId);
    }

    public class PremiumAreaRepository : IPremiumAreaRepository, ITransientService
    {
        private readonly IDbContextFactory<PremiumAreaContext> _factory;

        public PremiumAreaRepository(IDbContextFactory<PremiumAreaContext> factory)
        {
            _factory = factory;
        }

        public IEnumerable<Models.PremiumArea> GetPremiumAreas(int ModuleId)
        {
            using var db = _factory.CreateDbContext();
            return db.PremiumArea.Where(item => item.ModuleId == ModuleId).ToList();
        }

        public Models.PremiumArea GetPremiumArea(int PremiumAreaId)
        {
            return GetPremiumArea(PremiumAreaId, true);
        }

        public Models.PremiumArea GetPremiumArea(int PremiumAreaId, bool tracking)
        {
            using var db = _factory.CreateDbContext();
            if (tracking)
            {
                return db.PremiumArea.Find(PremiumAreaId);
            }
            else
            {
                return db.PremiumArea.AsNoTracking().FirstOrDefault(item => item.PremiumAreaId == PremiumAreaId);
            }
        }

        public Models.PremiumArea AddPremiumArea(Models.PremiumArea PremiumArea)
        {
            using var db = _factory.CreateDbContext();
            PremiumArea.CreatedBy = PremiumArea.CreatedBy ?? "system";
            PremiumArea.CreatedOn = DateTime.UtcNow;
            PremiumArea.ModifiedBy = PremiumArea.ModifiedBy ?? "system";
            PremiumArea.ModifiedOn = DateTime.UtcNow;
            db.PremiumArea.Add(PremiumArea);
            db.SaveChanges();
            return PremiumArea;
        }

        public Models.PremiumArea UpdatePremiumArea(Models.PremiumArea PremiumArea)
        {
            using var db = _factory.CreateDbContext();
            var existing = db.PremiumArea.Find(PremiumArea.PremiumAreaId);
            if (existing != null)
            {
                existing.Name = PremiumArea.Name;
                existing.ModifiedBy = PremiumArea.ModifiedBy ?? "system";
                existing.ModifiedOn = DateTime.UtcNow;
                db.SaveChanges();
            }
            return PremiumArea;
        }

        public void DeletePremiumArea(int PremiumAreaId)
        {
            using var db = _factory.CreateDbContext();
            Models.PremiumArea PremiumArea = db.PremiumArea.Find(PremiumAreaId);
            db.PremiumArea.Remove(PremiumArea);
            db.SaveChanges();
        }
    }
}