:drunk: Write shit code trying to split up the Auth (WIP)
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196
DysonNetwork.Pass/Data/PassDatabase.cs
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196
DysonNetwork.Pass/Data/PassDatabase.cs
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using System.Linq.Expressions;
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using System.Reflection;
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using DysonNetwork.Common.Models;
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using DysonNetwork.Pass.Permission;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Design;
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using NodaTime;
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using Quartz;
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namespace DysonNetwork.Pass.Data;
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public class PassDatabase(
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DbContextOptions<PassDatabase> options,
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IConfiguration configuration
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) : DbContext(options)
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{
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public DbSet<PermissionNode> PermissionNodes { get; set; }
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public DbSet<PermissionGroup> PermissionGroups { get; set; }
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public DbSet<PermissionGroupMember> PermissionGroupMembers { get; set; }
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public DbSet<MagicSpell> MagicSpells { get; set; }
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public DbSet<Account> Accounts { get; set; }
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public DbSet<AccountConnection> AccountConnections { get; set; }
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public DbSet<Profile> AccountProfiles { get; set; }
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public DbSet<AccountContact> AccountContacts { get; set; }
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public DbSet<AccountAuthFactor> AccountAuthFactors { get; set; }
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public DbSet<Relationship> AccountRelationships { get; set; }
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public DbSet<Notification> Notifications { get; set; }
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public DbSet<Badge> Badges { get; set; }
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public DbSet<ActionLog> ActionLogs { get; set; }
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public DbSet<AbuseReport> AbuseReports { get; set; }
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public DbSet<AuthSession> AuthSessions { get; set; }
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public DbSet<AuthChallenge> AuthChallenges { get; set; }
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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optionsBuilder.UseNpgsql(
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configuration.GetConnectionString("App"),
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opt => opt
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.ConfigureDataSource(optSource => optSource.EnableDynamicJson())
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.UseQuerySplittingBehavior(QuerySplittingBehavior.SplitQuery)
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.UseNetTopologySuite()
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.UseNodaTime()
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).UseSnakeCaseNamingConvention();
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optionsBuilder.UseAsyncSeeding(async (context, _, cancellationToken) =>
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{
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// Add any initial seeding logic here if needed for PassDatabase
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});
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optionsBuilder.UseSeeding((context, _) => {});
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base.OnConfiguring(optionsBuilder);
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}
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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base.OnModelCreating(modelBuilder);
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modelBuilder.Entity<PermissionGroupMember>()
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.HasKey(pg => new { pg.GroupId, pg.Actor });
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modelBuilder.Entity<PermissionGroupMember>()
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.HasOne(pg => pg.Group)
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.WithMany(g => g.Members)
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.HasForeignKey(pg => pg.GroupId)
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.OnDelete(DeleteBehavior.Cascade);
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modelBuilder.Entity<Relationship>()
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.HasKey(r => new { FromAccountId = r.AccountId, ToAccountId = r.RelatedId });
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modelBuilder.Entity<Relationship>()
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.HasOne(r => r.Account)
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.WithMany(a => a.OutgoingRelationships)
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.HasForeignKey(r => r.AccountId);
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modelBuilder.Entity<Relationship>()
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.HasOne(r => r.Related)
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.WithMany(a => a.IncomingRelationships)
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.HasForeignKey(r => r.RelatedId);
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// Automatically apply soft-delete filter to all entities inheriting BaseModel
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foreach (var entityType in modelBuilder.Model.GetEntityTypes())
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{
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if (!typeof(ModelBase).IsAssignableFrom(entityType.ClrType)) continue;
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var method = typeof(PassDatabase)
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.GetMethod(nameof(SetSoftDeleteFilter),
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BindingFlags.NonPublic | BindingFlags.Static)!
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.MakeGenericMethod(entityType.ClrType);
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method.Invoke(null, [modelBuilder]);
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}
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}
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private static void SetSoftDeleteFilter<TEntity>(ModelBuilder modelBuilder)
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where TEntity : ModelBase
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{
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modelBuilder.Entity<TEntity>().HasQueryFilter(e => e.DeletedAt == null);
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}
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public override async Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
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{
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var now = SystemClock.Instance.GetCurrentInstant();
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foreach (var entry in ChangeTracker.Entries<ModelBase>())
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{
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switch (entry.State)
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{
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case EntityState.Added:
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entry.Entity.CreatedAt = now;
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entry.Entity.UpdatedAt = now;
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break;
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case EntityState.Modified:
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entry.Entity.UpdatedAt = now;
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break;
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case EntityState.Deleted:
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entry.State = EntityState.Modified;
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entry.Entity.DeletedAt = now;
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break;
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case EntityState.Detached:
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case EntityState.Unchanged:
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default:
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break;
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}
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}
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return await base.SaveChangesAsync(cancellationToken);
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}
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}
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public class PassDatabaseFactory : IDesignTimeDbContextFactory<PassDatabase>
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{
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public PassDatabase CreateDbContext(string[] args)
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{
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var configuration = new ConfigurationBuilder()
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.SetBasePath(Directory.GetCurrentDirectory())
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.AddJsonFile("appsettings.json")
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.Build();
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var optionsBuilder = new DbContextOptionsBuilder<PassDatabase>();
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return new PassDatabase(optionsBuilder.Options, configuration);
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}
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}
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public class PassDatabaseRecyclingJob(PassDatabase db, ILogger<PassDatabaseRecyclingJob> logger) : IJob
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{
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public async Task Execute(IJobExecutionContext context)
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{
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var now = SystemClock.Instance.GetCurrentInstant();
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logger.LogInformation("Cleaning up expired records...");
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// Expired relationships
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var affectedRows = await db.AccountRelationships
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.Where(x => x.ExpiredAt != null && x.ExpiredAt <= now)
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.ExecuteDeleteAsync();
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logger.LogDebug("Removed {Count} records of expired relationships.", affectedRows);
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logger.LogInformation("Deleting soft-deleted records...");
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var threshold = now - Duration.FromDays(7);
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var entityTypes = db.Model.GetEntityTypes()
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.Where(t => typeof(ModelBase).IsAssignableFrom(t.ClrType) && t.ClrType != typeof(ModelBase))
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.Select(t => t.ClrType);
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foreach (var entityType in entityTypes)
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{
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var set = (IQueryable)db.GetType().GetMethod(nameof(DbContext.Set), Type.EmptyTypes)!
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.MakeGenericMethod(entityType).Invoke(db, null)!;
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var parameter = Expression.Parameter(entityType, "e");
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var property = Expression.Property(parameter, nameof(ModelBase.DeletedAt));
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var condition = Expression.LessThan(property, Expression.Constant(threshold, typeof(Instant?)));
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var notNull = Expression.NotEqual(property, Expression.Constant(null, typeof(Instant?)));
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var finalCondition = Expression.AndAlso(notNull, condition);
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var lambda = Expression.Lambda(finalCondition, parameter);
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var queryable = set.Provider.CreateQuery(
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Expression.Call(
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typeof(Queryable),
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"Where",
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[entityType],
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set.Expression,
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Expression.Quote(lambda)
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)
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);
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var toListAsync = typeof(EntityFrameworkQueryableExtensions)
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.GetMethod(nameof(EntityFrameworkQueryableExtensions.ToListAsync))!
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.MakeGenericMethod(entityType);
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var items = await (dynamic)toListAsync.Invoke(null, [queryable, CancellationToken.None])!;
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db.RemoveRange(items);
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}
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await db.SaveChangesAsync();
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}
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}
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