89 lines
3.2 KiB
C#
89 lines
3.2 KiB
C#
using System;
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using System.Linq;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Identity;
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using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore;
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using Oqtane.Models;
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namespace Oqtane.Repository
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{
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public class DBContextBase : IdentityUserContext<IdentityUser>
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{
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private ITenantResolver _tenantResolver;
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private IHttpContextAccessor _accessor;
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public DBContextBase(ITenantResolver tenantResolver, IHttpContextAccessor accessor)
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{
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_tenantResolver = tenantResolver;
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_accessor = accessor;
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}
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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var tenant = _tenantResolver.GetTenant();
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if (tenant != null)
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{
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optionsBuilder.UseSqlServer(tenant.DBConnectionString
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.Replace("|DataDirectory|", AppDomain.CurrentDomain.GetData("DataDirectory")?.ToString())
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);
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}
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base.OnConfiguring(optionsBuilder);
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}
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public override int SaveChanges()
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{
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ChangeTracker.DetectChanges();
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string username = "";
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if (_accessor.HttpContext != null && _accessor.HttpContext.User.Identity.Name != null)
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{
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username = _accessor.HttpContext.User.Identity.Name;
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}
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DateTime date = DateTime.UtcNow;
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var created = ChangeTracker.Entries()
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.Where(x => x.State == EntityState.Added);
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foreach(var item in created)
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{
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if (item.Entity is IAuditable)
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{
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item.CurrentValues[nameof(IAuditable.CreatedBy)] = username;
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item.CurrentValues[nameof(IAuditable.CreatedOn)] = date;
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}
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}
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var modified = ChangeTracker.Entries()
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.Where(x => x.State == EntityState.Modified || x.State == EntityState.Added);
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foreach (var item in modified)
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{
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if (item.Entity is IAuditable)
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{
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item.CurrentValues[nameof(IAuditable.ModifiedBy)] = username;
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item.CurrentValues[nameof(IAuditable.ModifiedOn)] = date;
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}
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if (item.Entity is IDeletable && item.State != EntityState.Added)
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{
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if ((bool)item.CurrentValues[nameof(IDeletable.IsDeleted)]
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&& !item.GetDatabaseValues().GetValue<bool>(nameof(IDeletable.IsDeleted)))
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{
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item.CurrentValues[nameof(IDeletable.DeletedBy)] = username;
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item.CurrentValues[nameof(IDeletable.DeletedOn)] = date;
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}
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else if (!(bool)item.CurrentValues[nameof(IDeletable.IsDeleted)]
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&& item.GetDatabaseValues().GetValue<bool>(nameof(IDeletable.IsDeleted)))
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{
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item.CurrentValues[nameof(IDeletable.DeletedBy)] = null;
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item.CurrentValues[nameof(IDeletable.DeletedOn)] = null;
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}
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}
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}
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return base.SaveChanges();
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}
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}
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}
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