feature: Prometheus Metrics, Supervisor Dashboard, and Promotion Retry Job

2026-06-27 13:29:04 +08:00
parent e22d33b654
commit 04bdb7e85c
31 changed files with 4482 additions and 259 deletions
@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+public class PromotionAttemptConfiguration : IEntityTypeConfiguration<PromotionAttempt>
+{
+    public void Configure(EntityTypeBuilder<PromotionAttempt> builder)
+    {
+        builder.ToTable("promotion_attempts");
+        builder.HasKey(a => a.Id);
+        builder.Property(a => a.Id).HasColumnName("id").HasDefaultValueSql("gen_random_uuid()");
+        builder.Property(a => a.BatchId).HasColumnName("batch_id").IsRequired();
+        builder.Property(a => a.AttemptNumber).HasColumnName("attempt_number").IsRequired();
+        builder.Property(a => a.Succeeded).HasColumnName("succeeded").HasDefaultValue(false);
+        builder.Property(a => a.ErrorMessage).HasColumnName("error_message").HasMaxLength(2000);
+        builder.Property(a => a.AttemptedAt).HasColumnName("attempted_at").HasDefaultValueSql("NOW()");
+        builder.Property(a => a.NextRetryAt).HasColumnName("next_retry_at");
+
+        builder.HasOne(a => a.Batch)
+            .WithMany()
+            .HasForeignKey(a => a.BatchId)
+            .OnDelete(DeleteBehavior.Restrict);
+
+        builder.HasIndex(a => new { a.BatchId, a.AttemptNumber })
+            .IsUnique()
+            .HasDatabaseName("ix_promotion_attempts_batch_attempt");
+
+        builder.HasIndex(a => a.NextRetryAt)
+            .HasFilter("succeeded = false AND next_retry_at IS NOT NULL")
+            .HasDatabaseName("ix_promotion_attempts_pending_retry");
+    }
+}