namespace VAL.Data { using System; using System.Collections.Generic; using System.Data; using System.Data.Common; using System.Data.Entity; using System.Data.Entity.Infrastructure; using System.Data.Entity.ModelConfiguration; using System.Data.Entity.Validation; using System.Linq; using System.Reflection; using VAL.Model; using VAL.Model.Mapping; /// <summary> /// Object context /// </summary> public class DataContext : DbContext, IDbContext { public DataContext() { } public DataContext(IDataSettings dataSettings) : base(dataSettings.ConnectionString) { this.Configuration.ProxyCreationEnabled = false; this.Configuration.LazyLoadingEnabled = false; } public string CreateDatabaseScript() { return ((IObjectContextAdapter)this).ObjectContext.CreateDatabaseScript(); } public new IDbSet<TEntity> Set<TEntity>() where TEntity : PocoEntityBase { return base.Set<TEntity>(); } public bool ChangeTrackingDisabled { get; set; } public new int SaveChanges() { try { return base.SaveChanges(); } catch (DbEntityValidationException dbEx) { var msg = string.Empty; foreach (var validationErrors in dbEx.EntityValidationErrors) foreach (var validationError in validationErrors.ValidationErrors) msg += string.Format("Property: {0} Error: {1}", validationError.PropertyName, validationError.ErrorMessage) + Environment.NewLine; var fail = new Exception(msg, dbEx); throw fail; } } public EntityState GetState(object entity) { return Entry(entity).State; } public void SetModifed(object original, object updated) { var objectState = this.Entry(original); objectState.CurrentValues.SetValues(updated); objectState.State = EntityState.Modified; } protected override void OnModelCreating(DbModelBuilder modelBuilder) { modelBuilder.Conventions.Remove<IncludeMetadataConvention>(); modelBuilder.Configurations.Add(new FileMap()); modelBuilder.Configurations.Add(new FileTypeMap()); modelBuilder.Configurations.Add(new GroupMap()); modelBuilder.Configurations.Add(new GroupTypeMap()); modelBuilder.Configurations.Add(new GroupUserMap()); modelBuilder.Configurations.Add(new PermissionMap()); modelBuilder.Configurations.Add(new UserActivityMap()); modelBuilder.Configurations.Add(new UserMap()); } public void SetEntityState(object entity, EntityState state) { this.Entry(entity).State = state; } } }
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