feat(purchasae): added team with category parent and central

internal/repository/category_repository.go

@@ -48,6 +48,26 @@ func (r *CategoryRepositoryImpl) GetByOrganization(ctx context.Context, organiza
 	return categories, err
 }
 
+// ListParentCategories returns the top-level categories of an organization. These are
+// the buckets the parent category reports roll up to via COALESCE(parent_id, id), so
+// the list is deliberately every top-level category, not only those with children —
+// otherwise a team could show up in a report but not be selectable on a purchase.
+// Categories with no outlet of their own are shared, so they are always included.
+func (r *CategoryRepositoryImpl) ListParentCategories(ctx context.Context, organizationID uuid.UUID, outletID *uuid.UUID) ([]*entities.Category, error) {
+	var categories []*entities.Category
+
+	query := r.db.WithContext(ctx).
+		Where("organization_id = ?", organizationID).
+		Where("parent_id IS NULL")
+
+	if outletID != nil {
+		query = query.Where("outlet_id = ? OR outlet_id IS NULL", *outletID)
+	}
+
+	err := query.Order("\"order\" ASC, name ASC").Find(&categories).Error
+	return categories, err
+}
+
 func (r *CategoryRepositoryImpl) GetByBusinessType(ctx context.Context, businessType string) ([]*entities.Category, error) {
 	var categories []*entities.Category
 	err := r.db.WithContext(ctx).Where("business_type = ?", businessType).Find(&categories).Error

internal/repository/purchase_order_repository.go

@@ -10,6 +10,7 @@ import (
 	"apskel-pos-be/internal/entities"
 
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 )
 
 type PurchaseOrderRepositoryImpl struct {
@@ -30,6 +31,7 @@ func (r *PurchaseOrderRepositoryImpl) GetByID(ctx context.Context, id uuid.UUID)
 	var po entities.PurchaseOrder
 	err := r.db.WithContext(ctx).
 		Preload("Vendor").
+		Preload("TeamCategory").
 		Preload("Items.Ingredient").
 		Preload("Items.PurchaseCategory").
 		Preload("Items.Unit").
@@ -45,6 +47,7 @@ func (r *PurchaseOrderRepositoryImpl) GetByIDAndOrganizationID(ctx context.Conte
 	var po entities.PurchaseOrder
 	err := r.db.WithContext(ctx).
 		Preload("Vendor").
+		Preload("TeamCategory").
 		Preload("Items.Ingredient").
 		Preload("Items.PurchaseCategory").
 		Preload("Items.Unit").
@@ -58,7 +61,10 @@ func (r *PurchaseOrderRepositoryImpl) GetByIDAndOrganizationID(ctx context.Conte
 }
 
 func (r *PurchaseOrderRepositoryImpl) Update(ctx context.Context, po *entities.PurchaseOrder) error {
-	return r.db.WithContext(ctx).Save(po).Error
+	// Omit associations so preloaded relations are not upserted back. Items and
+	// attachments are rewritten explicitly by the processor, and without this a
+	// preloaded TeamCategory would be written over the category row itself.
+	return r.db.WithContext(ctx).Omit(clause.Associations).Save(po).Error
 }
 
 func (r *PurchaseOrderRepositoryImpl) Delete(ctx context.Context, id uuid.UUID) error {
@@ -87,6 +93,14 @@ func (r *PurchaseOrderRepositoryImpl) List(ctx context.Context, organizationID u
 			if vendorID, ok := value.(uuid.UUID); ok {
 				query = query.Where("vendor_id = ?", vendorID)
 			}
+		case "team_scope":
+			if teamScope, ok := value.(string); ok && teamScope != "" {
+				query = query.Where("team_scope = ?", teamScope)
+			}
+		case "team_category_id":
+			if teamCategoryID, ok := value.(uuid.UUID); ok {
+				query = query.Where("team_category_id = ?", teamCategoryID)
+			}
 		case "start_date":
 			if startDate, ok := value.(time.Time); ok {
 				query = query.Where("transaction_date >= ?", startDate)
@@ -106,6 +120,7 @@ func (r *PurchaseOrderRepositoryImpl) List(ctx context.Context, organizationID u
 
 	err := query.
 		Preload("Vendor").
+		Preload("TeamCategory").
 		Preload("Items.Ingredient").
 		Preload("Items.PurchaseCategory").
 		Preload("Items.Unit").
@@ -137,6 +152,14 @@ func (r *PurchaseOrderRepositoryImpl) Count(ctx context.Context, organizationID
 			if vendorID, ok := value.(uuid.UUID); ok {
 				query = query.Where("vendor_id = ?", vendorID)
 			}
+		case "team_scope":
+			if teamScope, ok := value.(string); ok && teamScope != "" {
+				query = query.Where("team_scope = ?", teamScope)
+			}
+		case "team_category_id":
+			if teamCategoryID, ok := value.(uuid.UUID); ok {
+				query = query.Where("team_category_id = ?", teamCategoryID)
+			}
 		case "start_date":
 			if startDate, ok := value.(time.Time); ok {
 				query = query.Where("transaction_date >= ?", startDate)
@@ -170,6 +193,7 @@ func (r *PurchaseOrderRepositoryImpl) GetByStatus(ctx context.Context, organizat
 	err := r.db.WithContext(ctx).
 		Where("organization_id = ? AND status = ?", organizationID, status).
 		Preload("Vendor").
+		Preload("TeamCategory").
 		Preload("Items.Ingredient").
 		Preload("Items.PurchaseCategory").
 		Preload("Items.Unit").
@@ -182,6 +206,7 @@ func (r *PurchaseOrderRepositoryImpl) GetOverdue(ctx context.Context, organizati
 	err := r.db.WithContext(ctx).
 		Where("organization_id = ? AND due_date < ? AND status IN (?)", organizationID, time.Now(), []string{"draft", "sent", "approved"}).
 		Preload("Vendor").
+		Preload("TeamCategory").
 		Preload("Items.Ingredient").
 		Preload("Items.PurchaseCategory").
 		Preload("Items.Unit").