public bool AddProduct(Product product)
{
logger.logInfo("Try to add a new product in db.");
if (product == null)
{
ValidationException e = new ValidationException("Product is null");
logger.logError(e);
throw e;
}
if (product.Categories == null)
{
ValidationException e = new ValidationException("Product's categories are null");
logger.logError(e);
throw e;
}
CategoryService categoryService = new CategoryService();
foreach (Category categ in product.Categories)
{
if (categoryService.GetCategoryById(categ.IdCategory) == null)
{
EntityDoesNotExistException e = new EntityDoesNotExistException("One or more categories of the product do not exist");
logger.logError(e);
throw e;
}
}
var validationResults = Validation.Validate<Product>(product);
if (product.Name != null)
{
if (!validationResults.IsValid)
{
ValidationException e = new ValidationException("Invalid product's name/description.");
logger.logError(e);
throw e;
}
else
{
try
{
DataMapperFactoryMethod.GetCurrentFactory().ProductFactory.AddProduct(product);
}
catch (DuplicateException duplicateException)
{
logger.logError(duplicateException);
throw duplicateException;
}
}
}
else
{
ValidationException e = new ValidationException("Invalid product's name - null.");
logger.logError(e);
throw e;
}
logger.logInfo("Product added successfully!");
return true;
}
public bool AddCategory(Category category)
{
logger.logInfo("Try to add a new category in db.");
if (category == null)
{
ValidationException e = new ValidationException("Category is null");
logger.logError(e);
throw e;
}
var validationResults = Validation.Validate<Category>(category);
if (category.Name != null)
{
if (!validationResults.IsValid)
{
ValidationException e = new ValidationException("Invalid category's name/description.");
logger.logError(e);
foreach (ValidationResult vr in validationResults)
Console.WriteLine(vr.Message);
throw e;
}
else
{
try
{
DataMapperFactoryMethod.GetCurrentFactory().CategoryFactory.AddCategory(category);
}
catch (DuplicateException duplicateException)
{
logger.logError(duplicateException);
throw duplicateException;
}
catch (EntityDoesNotExistException entityDoesNotExist)
{
logger.logError(entityDoesNotExist);
throw entityDoesNotExist;
}
logger.logInfo("Category added successfully!");
}
}
else
{
ValidationException e = new ValidationException("Invalid category's name - null.");
logger.logError(e);
throw e;
}
return true;
}
public bool UpdateCategoryDescription(int id, String description)
{
logger.logInfo("Try to update category whit the id " + id);
Category category = this.GetCategoryById(id);
if (category == null)
{
EntityDoesNotExistException e = new EntityDoesNotExistException("Category is null");
logger.logError(e);
throw e;
}
String oldDescription = category.Description;
category.Description = description;
var validationResults = Validation.Validate<Category>(category);
if (validationResults.IsValid)
{
category.Description = oldDescription;
if (category.Description != description)
{
DataMapperFactoryMethod.GetCurrentFactory().CategoryFactory.UpdateCategoryDescription(category, description);
logger.logInfo("Category successfully updated");
}
}
else
{
ValidationException e = new ValidationException("Invalid category's description.");
logger.logError(e);
foreach (ValidationResult vr in validationResults)
Console.WriteLine(vr.Message);
throw e;
}
return true;
}
public bool UpdateCategory(int id, String newName)
{
logger.logInfo("Try to update category whit the id " + id);
Category category = this.GetCategoryById(id);
if (category == null)
{
EntityDoesNotExistException e = new EntityDoesNotExistException("Category is null");
logger.logError(e);
throw e;
}
if (category.Name != newName)
{
String oldName = category.Name;
category.Name = newName;
var validationResults = Validation.Validate<Category>(category);
if (newName != null)
{
if (validationResults.IsValid)
{
try
{
category.Name = oldName;
DataMapperFactoryMethod.GetCurrentFactory().CategoryFactory.UpdateCategory(category,newName);
}
catch (DuplicateException duplicateException)
{
logger.logError(duplicateException);
throw duplicateException;
}
}
else
{
ValidationException e = new ValidationException("Invalid category's name.");
logger.logError(e);
foreach (ValidationResult vr in validationResults)
Console.WriteLine(vr.Message);
throw e;
}
}
else
{
ValidationException e = new ValidationException("Invalid category's name.");
logger.logError(e);
throw e;
}
logger.logInfo("Category successfully updated");
}
else logger.logInfo("Category has the same name");
return true;
}
public bool UpdateProductDescription(int id, String description)
{
logger.logInfo("Try to update product whit the id " + id);
Product product = this.GetProductById(id);
if (product == null)
{
EntityDoesNotExistException e = new EntityDoesNotExistException("Product is null");
logger.logError(e);
throw e;
}
if (product.Description != description)
{
String oldDesc = product.Description;
product.Description = description;
var validationResults = Validation.Validate<Product>(product);
if (description != null)
{
if (validationResults.IsValid)
{
product.Description = oldDesc;
try
{
DataMapperFactoryMethod.GetCurrentFactory().ProductFactory.UpdateProductDescription(product, description);
}
catch (DuplicateException duplicateException)
{
logger.logError(duplicateException);
throw duplicateException;
}
}
else
{
ValidationException e = new ValidationException("Invalid product's description.");
logger.logError(e);
throw e;
}
}
else
{
ValidationException e = new ValidationException("Invalid product's description.");
logger.logError(e);
throw e;
}
}
else logger.logInfo("Product has the same description");
logger.logInfo("Product successfully updated");
return true;
}
