feat: add dead letter queue

internal/deadletter/deadletter.go

@@ -0,0 +1,35 @@
+package deadletter
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+
+	"git.front.kjuulh.io/kjuulh/orbis/internal/deadletter/repositories"
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type DeadLetter struct {
+	db     *pgxpool.Pool
+	logger *slog.Logger
+}
+
+func NewDeadLetter(db *pgxpool.Pool, logger *slog.Logger) *DeadLetter {
+	return &DeadLetter{
+		db:     db,
+		logger: logger,
+	}
+}
+
+func (d *DeadLetter) InsertDeadLetter(ctx context.Context, schedule uuid.UUID) error {
+	repo := repositories.New(d.db)
+
+	d.logger.WarnContext(ctx, "deadlettering schedule", "schedule", schedule)
+	if err := repo.InsertDeadLetter(ctx, schedule); err != nil {
+		return fmt.Errorf("failed to insert item into dead letter: %w", err)
+	}
+
+	return nil
+
+}