feat(backend): add PostgreSQL schema, RLS policies, and multi-tenant middleware

- Add EF Core migrations for initial schema (clubs, members, work_items, shifts, shift_signups)
- Implement RLS policies with SET LOCAL for tenant isolation
- Add Finbuckle multi-tenant middleware with ClaimStrategy + HeaderStrategy fallback
- Create TenantValidationMiddleware to enforce JWT claims match X-Tenant-Id header
- Add tenant-aware DB interceptors (SaveChangesTenantInterceptor, TenantDbConnectionInterceptor)
- Configure AppDbContext with tenant scoping and RLS support
- Add test infrastructure: CustomWebApplicationFactory, TestAuthHandler, DatabaseFixture
- Write TDD integration tests for multi-tenant isolation and RLS enforcement
- Add health check null safety for connection string

Tasks: 7 (PostgreSQL schema + migrations + RLS), 8 (Finbuckle multi-tenancy + validation), 12 (test infrastructure)
This commit is contained in:
WorkClub Automation
2026-03-03 14:32:21 +01:00
parent b9edbb8a65
commit 28964c6767
35 changed files with 4006 additions and 5 deletions

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using Microsoft.EntityFrameworkCore;
using WorkClub.Domain.Entities;
namespace WorkClub.Infrastructure.Data;
public class AppDbContext : DbContext
{
public AppDbContext(DbContextOptions<AppDbContext> options) : base(options)
{
}
public DbSet<Club> Clubs => Set<Club>();
public DbSet<Member> Members => Set<Member>();
public DbSet<WorkItem> WorkItems => Set<WorkItem>();
public DbSet<Shift> Shifts => Set<Shift>();
public DbSet<ShiftSignup> ShiftSignups => Set<ShiftSignup>();
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.ApplyConfigurationsFromAssembly(typeof(AppDbContext).Assembly);
}
}

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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using WorkClub.Domain.Entities;
namespace WorkClub.Infrastructure.Data.Configurations;
public class ClubConfiguration : IEntityTypeConfiguration<Club>
{
public void Configure(EntityTypeBuilder<Club> builder)
{
builder.ToTable("clubs");
builder.HasKey(c => c.Id);
builder.Property(c => c.TenantId)
.IsRequired()
.HasMaxLength(200);
builder.Property(c => c.Name)
.IsRequired()
.HasMaxLength(200);
builder.Property(c => c.Description)
.HasMaxLength(2000);
builder.Property(c => c.SportType)
.IsRequired()
.HasConversion<int>();
builder.Property(c => c.CreatedAt)
.IsRequired();
builder.Property(c => c.UpdatedAt)
.IsRequired();
builder.HasIndex(c => c.TenantId)
.HasDatabaseName("ix_clubs_tenant_id");
}
}

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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using WorkClub.Domain.Entities;
namespace WorkClub.Infrastructure.Data.Configurations;
public class MemberConfiguration : IEntityTypeConfiguration<Member>
{
public void Configure(EntityTypeBuilder<Member> builder)
{
builder.ToTable("members");
builder.HasKey(m => m.Id);
builder.Property(m => m.TenantId)
.IsRequired()
.HasMaxLength(200);
builder.Property(m => m.ExternalUserId)
.IsRequired()
.HasMaxLength(200);
builder.Property(m => m.DisplayName)
.IsRequired()
.HasMaxLength(200);
builder.Property(m => m.Email)
.IsRequired()
.HasMaxLength(200);
builder.Property(m => m.Role)
.IsRequired()
.HasConversion<int>();
builder.Property(m => m.ClubId)
.IsRequired();
builder.Property(m => m.CreatedAt)
.IsRequired();
builder.Property(m => m.UpdatedAt)
.IsRequired();
builder.HasIndex(m => m.TenantId)
.HasDatabaseName("ix_members_tenant_id");
builder.HasIndex(m => m.ClubId)
.HasDatabaseName("ix_members_club_id");
builder.HasIndex(m => new { m.TenantId, m.ExternalUserId })
.HasDatabaseName("ix_members_tenant_external_user");
}
}

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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
using WorkClub.Domain.Entities;
namespace WorkClub.Infrastructure.Data.Configurations;
public class ShiftConfiguration : IEntityTypeConfiguration<Shift>
{
public void Configure(EntityTypeBuilder<Shift> builder)
{
builder.ToTable("shifts");
builder.HasKey(s => s.Id);
builder.Property(s => s.TenantId)
.IsRequired()
.HasMaxLength(200);
builder.Property(s => s.Title)
.IsRequired()
.HasMaxLength(200);
builder.Property(s => s.Description)
.HasMaxLength(2000);
builder.Property(s => s.Location)
.HasMaxLength(500);
builder.Property(s => s.StartTime)
.IsRequired();
builder.Property(s => s.EndTime)
.IsRequired();
builder.Property(s => s.Capacity)
.IsRequired()
.HasDefaultValue(1);
builder.Property(s => s.ClubId)
.IsRequired();
builder.Property(s => s.CreatedById)
.IsRequired();
builder.Property(s => s.CreatedAt)
.IsRequired();
builder.Property(s => s.UpdatedAt)
.IsRequired();
builder.Property(s => s.RowVersion)
.IsRowVersion()
.HasColumnName("xmin")
.HasColumnType("xid")
.ValueGeneratedOnAddOrUpdate();
builder.HasIndex(s => s.TenantId)
.HasDatabaseName("ix_shifts_tenant_id");
builder.HasIndex(s => s.ClubId)
.HasDatabaseName("ix_shifts_club_id");
builder.HasIndex(s => s.StartTime)
.HasDatabaseName("ix_shifts_start_time");
}
}

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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using WorkClub.Domain.Entities;
namespace WorkClub.Infrastructure.Data.Configurations;
public class ShiftSignupConfiguration : IEntityTypeConfiguration<ShiftSignup>
{
public void Configure(EntityTypeBuilder<ShiftSignup> builder)
{
builder.ToTable("shift_signups");
builder.HasKey(ss => ss.Id);
builder.Property(ss => ss.TenantId)
.IsRequired()
.HasMaxLength(200);
builder.Property(ss => ss.ShiftId)
.IsRequired();
builder.Property(ss => ss.MemberId)
.IsRequired();
builder.Property(ss => ss.SignedUpAt)
.IsRequired();
builder.HasIndex(ss => ss.TenantId)
.HasDatabaseName("ix_shift_signups_tenant_id");
builder.HasIndex(ss => ss.ShiftId)
.HasDatabaseName("ix_shift_signups_shift_id");
builder.HasIndex(ss => new { ss.ShiftId, ss.MemberId })
.IsUnique()
.HasDatabaseName("ix_shift_signups_shift_member");
}
}

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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
using WorkClub.Domain.Entities;
namespace WorkClub.Infrastructure.Data.Configurations;
public class WorkItemConfiguration : IEntityTypeConfiguration<WorkItem>
{
public void Configure(EntityTypeBuilder<WorkItem> builder)
{
builder.ToTable("work_items");
builder.HasKey(w => w.Id);
builder.Property(w => w.TenantId)
.IsRequired()
.HasMaxLength(200);
builder.Property(w => w.Title)
.IsRequired()
.HasMaxLength(200);
builder.Property(w => w.Description)
.HasMaxLength(2000);
builder.Property(w => w.Status)
.IsRequired()
.HasConversion<int>();
builder.Property(w => w.AssigneeId);
builder.Property(w => w.CreatedById)
.IsRequired();
builder.Property(w => w.ClubId)
.IsRequired();
builder.Property(w => w.DueDate);
builder.Property(w => w.CreatedAt)
.IsRequired();
builder.Property(w => w.UpdatedAt)
.IsRequired();
builder.Property(w => w.RowVersion)
.IsRowVersion()
.HasColumnName("xmin")
.HasColumnType("xid")
.ValueGeneratedOnAddOrUpdate();
builder.HasIndex(w => w.TenantId)
.HasDatabaseName("ix_work_items_tenant_id");
builder.HasIndex(w => w.ClubId)
.HasDatabaseName("ix_work_items_club_id");
builder.HasIndex(w => w.Status)
.HasDatabaseName("ix_work_items_status");
builder.HasIndex(w => w.AssigneeId)
.HasDatabaseName("ix_work_items_assignee_id");
}
}

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using Finbuckle.MultiTenant;
using Finbuckle.MultiTenant.Abstractions;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.Extensions.Logging;
using WorkClub.Domain.Interfaces;
namespace WorkClub.Infrastructure.Data.Interceptors;
public class SaveChangesTenantInterceptor : SaveChangesInterceptor
{
private readonly IMultiTenantContextAccessor _tenantAccessor;
private readonly ILogger<SaveChangesTenantInterceptor> _logger;
public SaveChangesTenantInterceptor(
IMultiTenantContextAccessor tenantAccessor,
ILogger<SaveChangesTenantInterceptor> logger)
{
_tenantAccessor = tenantAccessor;
_logger = logger;
}
public override ValueTask<InterceptionResult<int>> SavingChangesAsync(
DbContextEventData eventData,
InterceptionResult<int> result,
CancellationToken cancellationToken = default)
{
SetTenantIdForNewEntities(eventData.Context);
return base.SavingChangesAsync(eventData, result, cancellationToken);
}
public override InterceptionResult<int> SavingChanges(
DbContextEventData eventData,
InterceptionResult<int> result)
{
SetTenantIdForNewEntities(eventData.Context);
return base.SavingChanges(eventData, result);
}
private void SetTenantIdForNewEntities(DbContext? context)
{
if (context == null) return;
var tenantId = _tenantAccessor.MultiTenantContext?.TenantInfo?.Identifier;
if (string.IsNullOrWhiteSpace(tenantId))
{
_logger.LogWarning("No tenant context available for SaveChanges");
return;
}
var addedEntries = context.ChangeTracker
.Entries()
.Where(e => e.State == EntityState.Added && e.Entity is ITenantEntity)
.ToList();
foreach (var entry in addedEntries)
{
if (entry.Entity is ITenantEntity tenantEntity)
{
if (string.IsNullOrWhiteSpace(tenantEntity.TenantId))
{
tenantEntity.TenantId = tenantId;
_logger.LogDebug("Set TenantId for entity {EntityType}: {TenantId}",
entry.Entity.GetType().Name, tenantId);
}
}
}
}
}

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using System.Data.Common;
using Finbuckle.MultiTenant;
using Finbuckle.MultiTenant.Abstractions;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.Extensions.Logging;
using Npgsql;
namespace WorkClub.Infrastructure.Data.Interceptors;
public class TenantDbConnectionInterceptor : DbConnectionInterceptor
{
private readonly IMultiTenantContextAccessor _tenantAccessor;
private readonly ILogger<TenantDbConnectionInterceptor> _logger;
public TenantDbConnectionInterceptor(
IMultiTenantContextAccessor tenantAccessor,
ILogger<TenantDbConnectionInterceptor> logger)
{
_tenantAccessor = tenantAccessor;
_logger = logger;
}
public override async ValueTask<InterceptionResult> ConnectionOpeningAsync(
DbConnection connection,
ConnectionEventData eventData,
InterceptionResult result,
CancellationToken cancellationToken = default)
{
await base.ConnectionOpeningAsync(connection, eventData, result, cancellationToken);
var tenantId = _tenantAccessor.MultiTenantContext?.TenantInfo?.Identifier;
if (string.IsNullOrWhiteSpace(tenantId))
{
_logger.LogWarning("No tenant context available for database connection");
return result;
}
if (connection is NpgsqlConnection npgsqlConnection)
{
await using var command = npgsqlConnection.CreateCommand();
command.CommandText = $"SET LOCAL app.current_tenant_id = '{tenantId}'";
try
{
await command.ExecuteNonQueryAsync(cancellationToken);
_logger.LogDebug("Set tenant context for database connection: {TenantId}", tenantId);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to set tenant context for connection");
throw;
}
}
return result;
}
public override void ConnectionOpened(DbConnection connection, ConnectionEndEventData eventData)
{
base.ConnectionOpened(connection, eventData);
var tenantId = _tenantAccessor.MultiTenantContext?.TenantInfo?.Identifier;
if (string.IsNullOrWhiteSpace(tenantId))
{
_logger.LogWarning("No tenant context available for database connection");
return;
}
if (connection is NpgsqlConnection npgsqlConnection)
{
using var command = npgsqlConnection.CreateCommand();
command.CommandText = $"SET LOCAL app.current_tenant_id = '{tenantId}'";
try
{
command.ExecuteNonQuery();
_logger.LogDebug("Set tenant context for database connection: {TenantId}", tenantId);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to set tenant context for connection");
throw;
}
}
}
}