oqtane.framework/Oqtane.Server/Repository/Context/DBContextBase.cs
2019-09-27 18:40:24 +02:00

93 lines
3.1 KiB
C#

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore;
using Oqtane.Models;
using System;
using System.Linq;
namespace Oqtane.Repository
{
public class DBContextBase : IdentityUserContext<IdentityUser>
{
private Tenant tenant;
private IHttpContextAccessor accessor;
public DBContextBase(ITenantResolver TenantResolver, IHttpContextAccessor accessor)
{
tenant = TenantResolver.GetTenant();
this.accessor = accessor;
}
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
optionsBuilder.UseSqlServer(tenant.DBConnectionString
.Replace("|DataDirectory|", AppDomain.CurrentDomain.GetData("DataDirectory").ToString())
);
base.OnConfiguring(optionsBuilder);
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
if (tenant.DBSchema != "")
{
modelBuilder.HasDefaultSchema(tenant.DBSchema);
}
}
public override int SaveChanges()
{
ChangeTracker.DetectChanges();
string username = "";
if (accessor.HttpContext.User.Identity.Name != null)
{
username = accessor.HttpContext.User.Identity.Name;
}
DateTime date = DateTime.UtcNow;
var created = ChangeTracker.Entries()
.Where(x => x.State == EntityState.Added);
foreach(var item in created)
{
if (item.Entity is IAuditable entity)
{
item.CurrentValues[nameof(IAuditable.CreatedBy)] = username;
item.CurrentValues[nameof(IAuditable.CreatedOn)] = date;
}
}
var modified = ChangeTracker.Entries()
.Where(x => x.State == EntityState.Modified || x.State == EntityState.Added);
foreach (var item in modified)
{
if (item.Entity is IAuditable entity)
{
item.CurrentValues[nameof(IAuditable.ModifiedBy)] = username;
item.CurrentValues[nameof(IAuditable.ModifiedOn)] = date;
}
if (item.Entity is ISoftDeletable softDeleted)
{
if ((bool)item.CurrentValues[nameof(ISoftDeletable.IsSoftDeleted)])
{
item.CurrentValues[nameof(ISoftDeletable.DeletedBy)] = username;
item.CurrentValues[nameof(ISoftDeletable.DeletedOn)] = date;
}
else
{
item.CurrentValues[nameof(ISoftDeletable.DeletedBy)] = null;
item.CurrentValues[nameof(ISoftDeletable.DeletedOn)] = null;
}
}
}
return base.SaveChanges();
}
}
}