using Microsoft.EntityFrameworkCore; using Microsoft.EntityFrameworkCore.Metadata.Builders; public class AlertFeedbackConfiguration : IEntityTypeConfiguration { public void Configure(EntityTypeBuilder builder) { builder.ToTable("alert_feedbacks"); builder.HasKey(f => f.Id); builder.Property(f => f.Id).HasColumnName("id").HasDefaultValueSql("gen_random_uuid()"); builder.Property(f => f.AlertId).HasColumnName("alert_id").IsRequired(); builder.Property(f => f.UserId).HasColumnName("user_id").IsRequired(); builder.Property(f => f.FeedbackType).HasColumnName("feedback_type").HasMaxLength(30).IsRequired() .HasConversion(v => v.ToDbString(), v => AlertFeedbackTypeExtensions.FromDbString(v)); builder.Property(f => f.Comment).HasColumnName("comment").HasMaxLength(1000); builder.Property(f => f.CreatedAt).HasColumnName("created_at").HasDefaultValueSql("NOW()"); builder.HasOne(f => f.Alert) .WithMany(a => a.Feedbacks) .HasForeignKey(f => f.AlertId) .OnDelete(DeleteBehavior.Cascade); builder.HasIndex(f => f.AlertId); builder.HasIndex(f => f.FeedbackType); builder.HasIndex(f => new { f.AlertId, f.UserId }).IsUnique(); } }