Diplomarbeit-Absolventenverein/oqtane.framework
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Create new DbContextUtils class and move common SaveChanges code to this class. While MasterDbContext has no entities that support IDeletable it does not hurt to check and minimizes duplication

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This commit is contained in:
Charles Nurse
2021-03-06 16:06:29 -08:00
parent 8376a09ad6
commit c64f350f36
3 changed files with 67 additions and 80 deletions
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65
Oqtane.Server/Repository/Context/DbContextUtils.cs Normal file
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using System;
using System.Linq;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using Oqtane.Models;
namespace Oqtane.Repository
{
public class DbContextUtils
{
public static void SaveChanges(DbContext context, IHttpContextAccessor accessor)
{
var changeTracker = context.ChangeTracker;
changeTracker.DetectChanges();
string username = "";
if (accessor.HttpContext != null && 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)
{
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)
{
item.CurrentValues[nameof(IAuditable.ModifiedBy)] = username;
item.CurrentValues[nameof(IAuditable.ModifiedOn)] = date;
}
if (item.Entity is IDeletable && item.State != EntityState.Added)
{
if ((bool)item.CurrentValues[nameof(IDeletable.IsDeleted)]
&& !item.GetDatabaseValues().GetValue<bool>(nameof(IDeletable.IsDeleted)))
{
item.CurrentValues[nameof(IDeletable.DeletedBy)] = username;
item.CurrentValues[nameof(IDeletable.DeletedOn)] = date;
}
else if (!(bool)item.CurrentValues[nameof(IDeletable.IsDeleted)]
&& item.GetDatabaseValues().GetValue<bool>(nameof(IDeletable.IsDeleted)))
{
item.CurrentValues[nameof(IDeletable.DeletedBy)] = null;
item.CurrentValues[nameof(IDeletable.DeletedOn)] = null;
}
}
}
}
}
}