Stable multitenancy

PostFundManagement.Domain/Entities/Activity.cs

@@ -1,10 +1,12 @@
+using PostFundManagement.Domain.Abstractions;
 using static PostFundManagement.Domain.Extensions.Constants;
 
 namespace PostFundManagement.Domain.Entities;
 
-[EntityTypeConfiguration<ActivityConfiguration, Activity>]
-public class Activity : Models.Activity
+public class Activity : Models.Activity, ITenantEntity
 {
+    public virtual Tenant? Tenant { get; set; }
+
     public virtual User? Creator { get; set; }
 
     public virtual User? Updator { get; set; }
@@ -26,6 +28,7 @@ public sealed class ActivityConfiguration : IEntityTypeConfiguration<Activity>
 
         builder.HasKey(pk => pk.Id);
         builder.Property(f => f.ProjectId).IsRequired();
+        builder.Property(f => f.TenantId).IsRequired();
         builder.Property(f => f.MilestoneId).IsRequired();
         builder.Property(f => f.CreatedBy).IsRequired();
         builder.Property(f => f.UpdatedBy).IsRequired(false);
@@ -40,6 +43,12 @@ public sealed class ActivityConfiguration : IEntityTypeConfiguration<Activity>
         builder.Property(f => f.Title).IsRequired().HasMaxLength(LabelLength);
         builder.Property(f => f.Description).IsRequired().HasMaxLength(TextLength);
 
+        builder.HasOne(f => f.Tenant)
+            .WithMany()
+            .HasForeignKey(fk => fk.TenantId)
+            .IsRequired()
+            .OnDelete(DeleteBehavior.NoAction);
+
         builder.HasOne(f => f.Project)
             .WithMany()
             .HasForeignKey(fk => fk.ProjectId)