working version

init_db.go

@@ -1,23 +1,36 @@
-package outbox
+package repo
 
 import (
 	"context"
 	"database/sql"
 	_ "embed"
 	"errors"
+	"strings"
 )
 
-var (
-	ErrMigrate = errors.New("error creating outbox table")
-)
-
-//go:embed init_db.sql
-var initStatement string
+var initStatement = `
+CREATE TABLE IF NOT EXISTS -- (
+    id text PRIMARY KEY, 
+    created_at timestamp with time zone, 
+    updated_at timestamp with time zone,
+    deleted_at timestamp with time zone,
+    payload jsonb
+)`
 
 func initDB(ctx context.Context, db *sql.DB, tablename string) error {
-	_, err := db.ExecContext(ctx, initStatement, tablename)
+	if tablename == "" {
+		return errors.Join(ErrInitRepo, errors.New("tablename may not be empty"))
+	}
+
+	if db == nil {
+		return errors.Join(ErrInitRepo, errors.New("db instance is nil"))
+	}
+
+	query := strings.Replace(initStatement, "--", tablename, 1)
+
+	_, err := db.ExecContext(ctx, query)
 	if err != nil {
-		return errors.Join(ErrMigrate, err)
+		return errors.Join(ErrInitRepo, err)
 	}
 
 	return nil