Add refund order

internal/services/v2/categories/categories.go

@@ -0,0 +1,88 @@
+package category
+
+import (
+	"enaklo-pos-be/internal/common/logger"
+	"enaklo-pos-be/internal/common/mycontext"
+	"enaklo-pos-be/internal/entity"
+	"github.com/pkg/errors"
+	"go.uber.org/zap"
+)
+
+type Service interface {
+	Create(ctx mycontext.Context, category *entity.Category) (*entity.Category, error)
+	GetByPartnerID(ctx mycontext.Context, partnerID int64) ([]*entity.Category, error)
+	Update(ctx mycontext.Context, category *entity.Category) error
+	Delete(ctx mycontext.Context, id int64) error
+	GetByID(ctx mycontext.Context, id int64) (*entity.Category, error)
+}
+
+type Repository interface {
+	Create(ctx mycontext.Context, category *entity.Category) (*entity.Category, error)
+	GetByPartnerID(ctx mycontext.Context, partnerID int64) ([]*entity.Category, error)
+	Update(ctx mycontext.Context, category *entity.Category) error
+	Delete(ctx mycontext.Context, id int64) error
+	GetByID(ctx mycontext.Context, id int64) (*entity.Category, error)
+}
+
+type categorySvc struct {
+	repo Repository
+}
+
+func New(repo Repository) Service {
+	return &categorySvc{repo: repo}
+}
+
+func (s *categorySvc) Create(ctx mycontext.Context, category *entity.Category) (*entity.Category, error) {
+	existing, err := s.repo.GetByPartnerID(ctx, category.PartnerID)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to fetch categories")
+	}
+
+	for _, cat := range existing {
+		if cat.Name == category.Name {
+			return nil, errors.New("category name already exists for this partner")
+		}
+	}
+
+	newCategory, err := s.repo.Create(ctx, category)
+	if err != nil {
+		logger.ContextLogger(ctx).Error("failed to create category", zap.Error(err))
+		return nil, errors.Wrap(err, "failed to create category")
+	}
+
+	return newCategory, nil
+}
+
+func (s *categorySvc) GetByPartnerID(ctx mycontext.Context, partnerID int64) ([]*entity.Category, error) {
+	categories, err := s.repo.GetByPartnerID(ctx, partnerID)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get categories by partner")
+	}
+	return categories, nil
+}
+
+func (s *categorySvc) Update(ctx mycontext.Context, category *entity.Category) error {
+	err := s.repo.Update(ctx, category)
+	if err != nil {
+		logger.ContextLogger(ctx).Error("failed to update category", zap.Error(err))
+		return errors.Wrap(err, "failed to update category")
+	}
+	return nil
+}
+
+func (s *categorySvc) Delete(ctx mycontext.Context, id int64) error {
+	err := s.repo.Delete(ctx, id)
+	if err != nil {
+		logger.ContextLogger(ctx).Error("failed to delete category", zap.Error(err))
+		return errors.Wrap(err, "failed to delete category")
+	}
+	return nil
+}
+
+func (s *categorySvc) GetByID(ctx mycontext.Context, id int64) (*entity.Category, error) {
+	category, err := s.repo.GetByID(ctx, id)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get category by ID")
+	}
+	return category, nil
+}