UnivatePropertiesAPI/UnivateProperties_API/Context/DataContext.cs

using Microsoft.EntityFrameworkCore;
using UnivateProperties_API.Model.Communication;
using UnivateProperties_API.Model.Users;
using UnivateProperties_API.Model.Property;
using UnivateProperties_API.Model.Region;
using UnivateProperties_API.Model.Timeshare;
using System.Linq;
using UnivateProperties_API.Model;
using UnivateProperties_API.Model.Misc;

namespace UnivateProperties_API.Context
{
    public class DataContext : DbContext
    {
        public DataContext(DbContextOptions<DataContext> options) : base(options)
        {

        }

        #region User
        public virtual DbSet<Agency> Agencies { get; set; }
        public virtual DbSet<Agent> Agents { get; set; }
        public virtual DbSet<User> Users { get; set; }
        public virtual DbSet<Individual> Individuals { get; set; }
        public virtual DbSet<Address> Addresses { get; set; }
        #endregion User

        #region Communication
        public virtual DbSet<Email> Emails { get; set; }
        public virtual DbSet<SMTPAccount> Accounts { get; set; }
        public virtual DbSet<SMTPHost> Hosts { get; set; }
        #endregion Communication

        #region Property
        public DbSet<Property> Properties { get; set; }
        public DbSet<PropertyImage> PropertyImages { get; set; }
        public DbSet<PropertyType> PropertyTypes { get; set; }
        public DbSet<PropertyUserField> PropertyUserFields { get; set; }
        public DbSet<UserDefinedField> UserDefinedFields { get; set; }
        public DbSet<UserDefinedGroup> UserDefinedGroups { get; set; }
        #endregion

        #region Region 
        public DbSet<Province> Provinces { get; set; }
        public DbSet<City> Cities { get; set; }
        public DbSet<Suburb> Suburbs { get; set; }
        #endregion

        #region Timeshare
        public DbSet<TimeshareWeek> Weeks { get; set; }
        public DbSet<Status> Status { get; set; }
        public DbSet<UnitConfiguration> UnitConfigurations { get; set; }
        public DbSet<UnitConfigurationType> UnitConfigurationTypes { get; set; }
        public DbSet<Season> Seasons { get; set; }
        #endregion Timeshare

        public override int SaveChanges()
        {
            foreach(var item in ChangeTracker
                                    .Entries()
                                    .Where(x => x.State == EntityState.Modified || x.State == EntityState.Added)
                                    .Select(x => x.Entity)
                                    .ToList())
            {
                if(item is BaseEntity)
                {
                    (item as BaseEntity).UpdateModified(string.Empty);
                }
            }
            return base.SaveChanges();
        }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            modelBuilder.Entity<SMTPHost>().ToTable("Hosts");
            modelBuilder.Entity<UnitConfiguration>()
                .HasIndex(u => u.Code)
                .IsUnique();
        }
    }
}