Produkte und Properties im Server

2026-08-16 18:22:05 +02:00
parent 5b60189b07
commit 5060fe5a2e
10 changed files with 818 additions and 14 deletions
@@ -0,0 +1,152 @@
+package repositories
+
+import (
+	"database/sql"
+	"simplycpq/models"
+)
+
+type ProductGroupRepository struct {
+	db              *sql.DB
+	valueRepository *ValueRepository
+}
+
+func NewProductGroupRepository(db *sql.DB, valueRepository *ValueRepository) *ProductGroupRepository {
+	return &ProductGroupRepository{
+		db:              db,
+		valueRepository: valueRepository,
+	}
+}
+
+func (r *ProductGroupRepository) CreateProductGroup(productGroup *models.ProductGroup) (*models.ProductGroup, error) {
+	// Insert the product group into the database
+	query := "INSERT INTO product_groups (label, description, parentgroupid) VALUES($1,$2,$3) RETURNING id"
+	err := r.db.QueryRow(query, productGroup.Label, productGroup.Description, productGroup.ParentGroupID).Scan(&productGroup.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	// get all properties from parent group and copy them to the new group
+	if productGroup.ParentGroupID != 0 {
+		properties, err := r.GetPropertiesFromProductGroupId(productGroup.ParentGroupID)
+		if err != nil {
+			return nil, err
+		}
+		for _, prop := range properties {
+			_, err := r.valueRepository.createPropertyFromProperty(productGroup.ID, 0, prop)
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+	return productGroup, nil
+}
+
+func (r *ProductGroupRepository) UpdateProductGroup(productGroup *models.ProductGroup) (*models.ProductGroup, error) {
+	query := "UPDATE product_groups SET label=$1, description=$2, parentgroupid=$3 WHERE id=$4"
+	_, err := r.db.Exec(query, productGroup.Label, productGroup.Description, productGroup.ParentGroupID, productGroup.ID)
+	if err != nil {
+		return nil, err
+	}
+	return productGroup, nil
+}
+
+func (r *ProductGroupRepository) DeleteProductGroup(id int) error {
+	query := "DELETE FROM product_groups WHERE id=$1"
+	_, err := r.db.Exec(query, id)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *ProductGroupRepository) GetProductGroup(id int) (*models.ProductGroup, error) {
+	query := "SELECT id, label, description, parentgroupid FROM product_groups WHERE id=$1"
+	row := r.db.QueryRow(query, id)
+	productGroup := &models.ProductGroup{}
+	err := row.Scan(&productGroup.ID, &productGroup.Label, &productGroup.Description, &productGroup.ParentGroupID)
+	if err != nil {
+		return nil, err
+	}
+	return productGroup, nil
+}
+
+func (r *ProductGroupRepository) GetProductGroupsByParentId(parentId int) ([]*models.ProductGroup, error) {
+	query := "SELECT id, label, description, parentgroupid FROM product_groups WHERE parentgroupid=$1"
+	rows, err := r.db.Query(query, parentId)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var productGroups []*models.ProductGroup
+	for rows.Next() {
+		var productGroup models.ProductGroup
+		err := rows.Scan(&productGroup.ID, &productGroup.Label, &productGroup.Description, &productGroup.ParentGroupID)
+		if err != nil {
+			return nil, err
+		}
+		productGroups = append(productGroups, &productGroup)
+	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+	return productGroups, nil
+}
+
+func (r *ProductGroupRepository) DeleteProductFromProductGroupId(productGroupId int) error {
+	query := "DELETE FROM products WHERE productgroupid=$1"
+	_, err := r.db.Exec(query, productGroupId)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *ProductGroupRepository) GetPropertiesFromProductGroupId(productGroupId int) ([]*models.Property, error) {
+	query := "SELECT id, label, description, propertytypeid, productid, productgroupid FROM properties WHERE productgroupid=$1"
+	rows, err := r.db.Query(query, productGroupId)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var properties []*models.Property
+	for rows.Next() {
+		var property models.Property
+		err := rows.Scan(&property.ID, &property.Label, &property.Description, &property.PropertyTypeID, &property.ProductID, &property.ProductGroupID)
+		if err != nil {
+			return nil, err
+		}
+		properties = append(properties, &property)
+	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+	return properties, nil
+}
+
+func (r *ProductGroupRepository) DeletePropertyFromProductGroup(productGroupId int, propertyId int) error {
+	query := "DELETE FROM properties WHERE productgroupid=$1 AND id=$2"
+	_, err := r.db.Exec(query, productGroupId, propertyId)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *ProductGroupRepository) CreatePropertyFromProductGroup(productGroupId int, property *models.Property) (*models.Property, error) {
+	query := "INSERT INTO properties (label, description, propertytypeid, productid, productgroupid) VALUES($1,$2,$3,$4,$5) RETURNING id"
+	err := r.db.QueryRow(query, property.Label, property.Description, property.PropertyTypeID, property.ProductID, productGroupId).Scan(&property.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	// copy property values from parent group to new property
+	if productGroupId != 0 {
+		err := r.valueRepository.copyValuesFromPropertyTypeToProperty(property.ID, property.PropertyTypeID)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return property, nil
+}