Add category table

internal/repository/purchase_category_repository.go

@@ -0,0 +1,91 @@
+package repository
+
+import (
+	"context"
+
+	"apskel-pos-be/internal/entities"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type PurchaseCategoryRepositoryImpl struct {
+	db *gorm.DB
+}
+
+func NewPurchaseCategoryRepositoryImpl(db *gorm.DB) *PurchaseCategoryRepositoryImpl {
+	return &PurchaseCategoryRepositoryImpl{db: db}
+}
+
+func (r *PurchaseCategoryRepositoryImpl) Create(ctx context.Context, category *entities.PurchaseCategory) error {
+	return r.db.WithContext(ctx).Create(category).Error
+}
+
+func (r *PurchaseCategoryRepositoryImpl) GetByIDAndOrganizationID(ctx context.Context, id, organizationID uuid.UUID) (*entities.PurchaseCategory, error) {
+	var category entities.PurchaseCategory
+	err := r.db.WithContext(ctx).
+		First(&category, "id = ? AND organization_id = ?", id, organizationID).Error
+	if err != nil {
+		return nil, err
+	}
+	return &category, nil
+}
+
+func (r *PurchaseCategoryRepositoryImpl) Update(ctx context.Context, category *entities.PurchaseCategory) error {
+	return r.db.WithContext(ctx).Save(category).Error
+}
+
+func (r *PurchaseCategoryRepositoryImpl) SoftDelete(ctx context.Context, id, organizationID uuid.UUID) error {
+	return r.db.WithContext(ctx).
+		Model(&entities.PurchaseCategory{}).
+		Where("id = ? AND organization_id = ?", id, organizationID).
+		Update("is_active", false).Error
+}
+
+func (r *PurchaseCategoryRepositoryImpl) List(ctx context.Context, organizationID uuid.UUID, filters map[string]interface{}, limit, offset int) ([]*entities.PurchaseCategory, int64, error) {
+	var categories []*entities.PurchaseCategory
+	var total int64
+
+	query := r.db.WithContext(ctx).
+		Model(&entities.PurchaseCategory{}).
+		Where("organization_id = ?", organizationID)
+
+	for key, value := range filters {
+		switch key {
+		case "search":
+			searchValue := "%" + value.(string) + "%"
+			query = query.Where("name ILIKE ? OR code ILIKE ?", searchValue, searchValue)
+		case "parent_id":
+			query = query.Where("parent_id = ?", value)
+		case "type":
+			query = query.Where("type = ?", value)
+		case "is_active":
+			query = query.Where("is_active = ?", value)
+		}
+	}
+
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	err := query.
+		Order("parent_id NULLS FIRST, sort_order ASC, name ASC").
+		Limit(limit).
+		Offset(offset).
+		Find(&categories).Error
+	return categories, total, err
+}
+
+func (r *PurchaseCategoryRepositoryImpl) ExistsByCode(ctx context.Context, organizationID uuid.UUID, code string, excludeID *uuid.UUID) (bool, error) {
+	query := r.db.WithContext(ctx).
+		Model(&entities.PurchaseCategory{}).
+		Where("organization_id = ? AND code = ?", organizationID, code)
+
+	if excludeID != nil {
+		query = query.Where("id != ?", *excludeID)
+	}
+
+	var count int64
+	err := query.Count(&count).Error
+	return count > 0, err
+}