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AMREZ.EOP.Infrastructures/Tenancy/TenantProvisioner.cs

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+using AMREZ.EOP.Abstractions.Applications.Tenancy;
+using AMREZ.EOP.Abstractions.Applications.UseCases.Tenancy;
+using AMREZ.EOP.Infrastructures.Data;
+using AMREZ.EOP.Infrastructures.Options;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
+
+namespace AMREZ.EOP.Infrastructures.Tenancy;
+
+public sealed class TenantProvisioner : ITenantProvisioner
+{
+    private readonly TenantMap _map;
+    private readonly ITenantDbContextFactory _factory;
+    private readonly IOptions<AuthOptions> _conn;
+
+    public TenantProvisioner(TenantMap map, ITenantDbContextFactory factory, IOptions<AuthOptions> conn)
+    { _map = map; _factory = factory; _conn = conn; }
+
+    public async Task ProvisionAsync(string tenantKey, CancellationToken ct = default)
+    {
+        if (!_map.TryGetBySlug(tenantKey, out var ctx))
+        {
+            ctx = new TenantContext
+            {
+                Id = tenantKey,
+                Schema = tenantKey,
+                ConnectionString = _conn.Value.DefaultConnection,
+                Mode = AMREZ.EOP.Domain.Shared.Tenancy.TenantMode.Rls
+            };
+            _map.UpsertTenant(tenantKey, (TenantContext)ctx);
+        }
+
+        if (_conn.Value.UseSchemaPerTenant)
+        {
+            await using var db = _factory.Create<AppDbContext>(ctx);
+            await db.Database.MigrateAsync(ct); // idempotent
+        }
+    }
+}