Files
Aaru.Server/DiscImageChef.Server/Models/Context.cs

277 lines
14 KiB
C#

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Context.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : DiscImageChef Server.
//
// --[ Description ] ----------------------------------------------------------
//
// Entity framework database context.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2019 Natalia Portillo
// ****************************************************************************/
using System.Data.Common;
using DiscImageChef.CommonTypes.Metadata;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
namespace DiscImageChef.Server.Models
{
public sealed class DicServerContext : IdentityDbContext<IdentityUser>
{
public DicServerContext() { }
public DicServerContext(DbContextOptions<DicServerContext> options) : base(options) { }
public DbSet<Device> Devices { get; set; }
public DbSet<UploadedReport> Reports { get; set; }
public DbSet<Command> Commands { get; set; }
public DbSet<DeviceStat> DeviceStats { get; set; }
public DbSet<Filesystem> Filesystems { get; set; }
public DbSet<Filter> Filters { get; set; }
public DbSet<Media> Medias { get; set; }
public DbSet<MediaFormat> MediaFormats { get; set; }
public DbSet<OperatingSystem> OperatingSystems { get; set; }
public DbSet<Partition> Partitions { get; set; }
public DbSet<Version> Versions { get; set; }
public DbSet<UsbVendor> UsbVendors { get; set; }
public DbSet<UsbProduct> UsbProducts { get; set; }
public DbSet<CompactDiscOffset> CdOffsets { get; set; }
public DbSet<CommonTypes.Metadata.Ata> Ata { get; set; }
public DbSet<BlockDescriptor> BlockDescriptor { get; set; }
public DbSet<Chs> Chs { get; set; }
public DbSet<FireWire> FireWire { get; set; }
public DbSet<Mmc> Mmc { get; set; }
public DbSet<MmcSd> MmcSd { get; set; }
public DbSet<MmcFeatures> MmcFeatures { get; set; }
public DbSet<Pcmcia> Pcmcia { get; set; }
public DbSet<Scsi> Scsi { get; set; }
public DbSet<ScsiMode> ScsiMode { get; set; }
public DbSet<ScsiPage> ScsiPage { get; set; }
public DbSet<Ssc> Ssc { get; set; }
public DbSet<SupportedDensity> SupportedDensity { get; set; }
public DbSet<TestedMedia> TestedMedia { get; set; }
public DbSet<TestedSequentialMedia> TestedSequentialMedia { get; set; }
public DbSet<Usb> Usb { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
if(optionsBuilder.IsConfigured)
return;
IConfigurationBuilder builder = new ConfigurationBuilder().AddJsonFile("appsettings.json");
IConfigurationRoot configuration = builder.Build();
optionsBuilder.UseMySql(configuration.GetConnectionString("DefaultConnection"));
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.Ata", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.TestedMedia", "ReadCapabilities").WithMany().
HasForeignKey("ReadCapabilitiesId").OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.BlockDescriptor", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.ScsiMode", null).WithMany("BlockDescriptors").
HasForeignKey("ScsiModeId").OnDelete(DeleteBehavior.Cascade);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.DensityCode", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.SscSupportedMedia", null).WithMany("DensityCodes").
HasForeignKey("SscSupportedMediaId").OnDelete(DeleteBehavior.Cascade);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.Mmc", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.MmcFeatures", "Features").WithMany().
HasForeignKey("FeaturesId").OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.Scsi", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.ScsiMode", "ModeSense").WithMany().
HasForeignKey("ModeSenseId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Mmc", "MultiMediaDevice").WithMany().
HasForeignKey("MultiMediaDeviceId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.TestedMedia", "ReadCapabilities").WithMany().
HasForeignKey("ReadCapabilitiesId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ssc", "SequentialDevice").WithMany().
HasForeignKey("SequentialDeviceId").OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.ScsiPage", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.Scsi", null).WithMany("EVPDPages").HasForeignKey("ScsiId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.ScsiMode", null).WithMany("ModePages").
HasForeignKey("ScsiModeId").OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.SscSupportedMedia", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ssc", null).WithMany("SupportedMediaTypes").
HasForeignKey("SscId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.TestedSequentialMedia", null).
WithMany("SupportedMediaTypes").HasForeignKey("TestedSequentialMediaId").
OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.SupportedDensity", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ssc", null).WithMany("SupportedDensities").
HasForeignKey("SscId").OnDelete(DeleteBehavior.Cascade);
b.HasOne("DiscImageChef.CommonTypes.Metadata.TestedSequentialMedia", null).
WithMany("SupportedDensities").HasForeignKey("TestedSequentialMediaId").
OnDelete(DeleteBehavior.Cascade);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.TestedMedia", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ata", null).WithMany("RemovableMedias").
HasForeignKey("AtaId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Chs", "CHS").WithMany().HasForeignKey("CHSId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Chs", "CurrentCHS").WithMany().
HasForeignKey("CurrentCHSId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Mmc", null).WithMany("TestedMedia").HasForeignKey("MmcId").
OnDelete(DeleteBehavior.Cascade);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Scsi", null).WithMany("RemovableMedias").
HasForeignKey("ScsiId").OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.CommonTypes.Metadata.TestedSequentialMedia", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ssc", null).WithMany("TestedMedia").HasForeignKey("SscId").
OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.Server.Models.Device", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ata", "ATA").WithMany().HasForeignKey("ATAId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ata", "ATAPI").WithMany().HasForeignKey("ATAPIId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.Server.Models.CompactDiscOffset", "CdOffset").WithMany("Devices").
HasForeignKey("CdOffsetId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.FireWire", "FireWire").WithMany().
HasForeignKey("FireWireId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.MmcSd", "MultiMediaCard").WithMany().
HasForeignKey("MultiMediaCardId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Pcmcia", "PCMCIA").WithMany().HasForeignKey("PCMCIAId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Scsi", "SCSI").WithMany().HasForeignKey("SCSIId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.MmcSd", "SecureDigital").WithMany().
HasForeignKey("SecureDigitalId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Usb", "USB").WithMany().HasForeignKey("USBId").
OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.Server.Models.DeviceStat", b =>
{
b.HasOne("DiscImageChef.Server.Models.Device", "Report").WithMany().HasForeignKey("ReportId").
OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity("DiscImageChef.Server.Models.UploadedReport", b =>
{
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ata", "ATA").WithMany().HasForeignKey("ATAId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Ata", "ATAPI").WithMany().HasForeignKey("ATAPIId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.FireWire", "FireWire").WithMany().
HasForeignKey("FireWireId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.MmcSd", "MultiMediaCard").WithMany().
HasForeignKey("MultiMediaCardId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Pcmcia", "PCMCIA").WithMany().HasForeignKey("PCMCIAId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Scsi", "SCSI").WithMany().HasForeignKey("SCSIId").
OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.MmcSd", "SecureDigital").WithMany().
HasForeignKey("SecureDigitalId").OnDelete(DeleteBehavior.SetNull);
b.HasOne("DiscImageChef.CommonTypes.Metadata.Usb", "USB").WithMany().HasForeignKey("USBId").
OnDelete(DeleteBehavior.SetNull);
});
modelBuilder.Entity<CompactDiscOffset>().HasIndex(b => b.ModifiedWhen);
modelBuilder.Entity<Device>().HasIndex(b => b.ModifiedWhen);
modelBuilder.Entity<UsbProduct>().HasIndex(b => b.ModifiedWhen);
modelBuilder.Entity<UsbProduct>().HasIndex(b => b.ProductId);
modelBuilder.Entity<UsbProduct>().HasIndex(b => b.VendorId);
modelBuilder.Entity<UsbVendor>().HasIndex(b => b.ModifiedWhen);
modelBuilder.Entity<UsbVendor>().HasIndex(b => b.VendorId).IsUnique();
}
internal static bool TableExists(string tableName)
{
using var db = new DicServerContext();
DbConnection connection = db.Database.GetDbConnection();
connection.Open();
DbCommand command = connection.CreateCommand();
command.CommandText =
$"SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME=\"{tableName}\"";
long result = (long)command.ExecuteScalar();
return result != 0;
}
}
}