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internal/repository/brand.go

@@ -0,0 +1,50 @@
+package repository
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"strings"
+
+	"github.com/luxsin/app-api/internal/model"
+)
+
+type BrandRepository struct {
+	db *sql.DB
+}
+
+func NewBrandRepository(db *sql.DB) *BrandRepository {
+	return &BrandRepository{db: db}
+}
+
+func (r *BrandRepository) List(ctx context.Context, brandName string) ([]model.Brand, error) {
+	query := "SELECT id, name FROM brand"
+	args := []any{}
+
+	if strings.TrimSpace(brandName) != "" {
+		query += " WHERE name LIKE ?"
+		args = append(args, "%"+brandName+"%")
+	}
+
+	query += " ORDER BY name ASC"
+
+	rows, err := r.db.QueryContext(ctx, query, args...)
+	if err != nil {
+		return nil, fmt.Errorf("query brand: %w", err)
+	}
+	defer rows.Close()
+
+	list := make([]model.Brand, 0)
+	for rows.Next() {
+		var b model.Brand
+		if err := rows.Scan(&b.ID, &b.Name); err != nil {
+			return nil, fmt.Errorf("scan brand: %w", err)
+		}
+		list = append(list, b)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("iterate brand: %w", err)
+	}
+
+	return list, nil
+}