bom layer: add service and controller for BOM and variant nodes

buildtime/server/services/bomService.go

@@ -0,0 +1,133 @@
+package services
+
+import (
+	"fmt"
+	"simplycpq/models"
+	"simplycpq/repositories"
+)
+
+type BomService struct {
+	bomRepository *repositories.BomRepository
+}
+
+func NewBomService(bomRepo *repositories.BomRepository) *BomService {
+	return &BomService{
+		bomRepository: bomRepo,
+	}
+}
+
+func (bs *BomService) GetBOMByProductID(productID int) ([]models.BillOfMaterial, error) {
+	bomData, err := bs.bomRepository.GetBOMByProductID(productID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve BOM data: %w", err)
+	}
+	return bomData, nil
+}
+
+func (bs *BomService) CreateBillOfMaterial(bom *models.BillOfMaterial) error {
+	// Validate the BOM data
+	if bom.ProductID <= 0 {
+		return fmt.Errorf("invalid product ID")
+	}
+
+	// Create the BOM in the repository
+	err := bs.bomRepository.CreateBillOfMaterial(bom)
+	if err != nil {
+		return fmt.Errorf("failed to create BOM: %w", err)
+	}
+	return nil
+}
+
+func (bs *BomService) GetBOMProductsByBOMId(bomId int64) ([]models.Product, error) {
+	products, err := bs.bomRepository.GetBOMProductsByBOMId(bomId)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve BOM products: %w", err)
+	}
+	return products, nil
+}
+
+func (bs *BomService) GetBOMVariantNodesByBOMId(bomId int64) ([]models.VariantNode, error) {
+	variantNodes, err := bs.bomRepository.GetBOMVariantNodesByBOMId(bomId)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve BOM variant nodes: %w", err)
+	}
+	return variantNodes, nil
+}
+
+func (bs *BomService) CreateVariantNode(variantNode *models.VariantNode) (*models.VariantNode, error) {
+
+	// Create the VariantNode in the repository
+	variantNode, err := bs.bomRepository.CreateVariantNode(variantNode)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create VariantNode: %w", err)
+	}
+	return variantNode, nil
+}
+
+func (bs *BomService) GetVariantNodeByID(id int64) (*models.VariantNode, error) {
+	variantNode, err := bs.bomRepository.GetVariantNodeByID(id)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve VariantNode: %w", err)
+	}
+	return variantNode, nil
+}
+
+func (bs *BomService) UpdateVariantNode(variantNode *models.VariantNode) error {
+	// Update the VariantNode in the repository
+	err := bs.bomRepository.UpdateVariantNode(variantNode)
+	if err != nil {
+		return fmt.Errorf("failed to update VariantNode: %w", err)
+	}
+	return nil
+}
+
+func (bs *BomService) DeleteVariantNode(id int64) error {
+	// Delete the VariantNode in the repository
+	err := bs.bomRepository.DeleteVariantNode(id)
+	if err != nil {
+		return fmt.Errorf("failed to delete VariantNode: %w", err)
+	}
+	return nil
+}
+
+func (bs *BomService) GetVariantNode(parentID int64) ([]models.VariantNode, error) {
+	variantNodes, err := bs.bomRepository.GetVariantNode(parentID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve VariantNodes: %w", err)
+	}
+	return variantNodes, nil
+}
+
+func (bs *BomService) GetVariantNodeProductsByVariantNodeId(parentID int64) ([]models.Product, error) {
+	products, err := bs.bomRepository.GetVariantNodeProductsByVariantNodeId(parentID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve VariantNode products: %w", err)
+	}
+	return products, nil
+}
+
+func (bs *BomService) UpdateBillOfMaterial(bom *models.BillOfMaterial) error {
+	// Update the BOM in the repository
+	err := bs.bomRepository.UpdateBillOfMaterial(bom)
+	if err != nil {
+		return fmt.Errorf("failed to update BOM: %w", err)
+	}
+	return nil
+}
+
+func (bs *BomService) DeleteBillOfMaterial(id int64) error {
+	// Delete the BOM in the repository
+	err := bs.bomRepository.DeleteBillOfMaterial(id)
+	if err != nil {
+		return fmt.Errorf("failed to delete BOM: %w", err)
+	}
+	return nil
+}
+
+func (bs *BomService) GetBillOfMaterial(id int64) (*models.BillOfMaterial, error) {
+	bom, err := bs.bomRepository.GetBillOfMaterial(id)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve BOM: %w", err)
+	}
+	return bom, nil
+}