/*
* This file is part of LibrePlan
*
* Copyright (C) 2009-2010 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
* Copyright (C) 2010-2011 Igalia, S.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.libreplan.ws.materials.impl;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.libreplan.business.common.Registry;
import org.libreplan.business.common.exceptions.InstanceNotFoundException;
import org.libreplan.business.common.exceptions.ValidationException;
import org.libreplan.business.materials.entities.Material;
import org.libreplan.business.materials.entities.MaterialCategory;
import org.libreplan.business.materials.entities.UnitType;
import org.libreplan.ws.materials.api.MaterialCategoryDTO;
import org.libreplan.ws.materials.api.MaterialCategoryListDTO;
import org.libreplan.ws.materials.api.MaterialDTO;
/**
* Converter from/to material-related entities to/from DTOs.
* @author Susana Montes Pedreira <smontes@wirelessgalicia.com>
*/
public final class MaterialConverter {
private MaterialConverter() {
}
public final static MaterialCategoryDTO toDTO(
MaterialCategory materialCategory) {
// converter the materials
List<MaterialDTO> materialDTOs = new ArrayList<MaterialDTO>();
for (Material m : materialCategory.getMaterials()) {
materialDTOs.add(toDTO(m));
}
if (materialDTOs.isEmpty()) {
materialDTOs = null;
}
// converter the subcategories
MaterialCategoryListDTO subcategories = createSubcategoriesList(materialCategory
.getSubcategories());
// get the parent code
String parentCode = null;
if (materialCategory.getParent() != null) {
parentCode = materialCategory.getParent().getCode();
}
return new MaterialCategoryDTO(materialCategory.getCode(),
materialCategory.getName(), parentCode, subcategories,
materialDTOs);
}
private static MaterialCategoryListDTO createSubcategoriesList(
Set<MaterialCategory> subcategories) {
List<MaterialCategoryDTO> DTOs = new ArrayList<MaterialCategoryDTO>();
for (MaterialCategory m : subcategories) {
DTOs.add(toDTO(m));
}
if (DTOs.isEmpty()) {
return null;
}
return new MaterialCategoryListDTO(DTOs);
}
public final static MaterialDTO toDTO(Material material) {
String unitTypeCode = null;
if (material.getUnitType() != null) {
unitTypeCode = material.getUnitType().getCode();
}
return new MaterialDTO(material.getCode(), material.getDescription(),
material.getDefaultUnitPrice(), unitTypeCode, material
.getDisabled());
}
public final static MaterialCategory toEntity(
MaterialCategoryDTO materialCategoryDTO) {
MaterialCategory materialCategory = toEntityCategory(materialCategoryDTO);
// find the parent
if (materialCategoryDTO.parent != null) {
try {
MaterialCategory parentCategory = Registry
.getMaterialCategoryDAO().findByCode(
materialCategoryDTO.parent);
materialCategory.setParent(parentCategory);
} catch (InstanceNotFoundException e) {
throw new ValidationException(
"There is no material category with this code");
}
}
return materialCategory;
}
public final static MaterialCategory toEntityCategory(
MaterialCategoryDTO materialCategoryDTO) {
MaterialCategory materialCategory = MaterialCategory.createUnvalidated(
StringUtils.trim(materialCategoryDTO.code), StringUtils
.trim(materialCategoryDTO.name));
// Create and add the materials
if (materialCategoryDTO.materials != null) {
for (MaterialDTO materialDTO : materialCategoryDTO.materials) {
materialCategory.addMaterial(toEntity(materialDTO));
}
}
// Create and add the subcategories
if (materialCategoryDTO.subcategories != null) {
for (MaterialCategoryDTO subCategoryDTO : materialCategoryDTO.subcategories.materialCategoryDTOs) {
materialCategory.addSubcategory(toEntitySubCategories(
subCategoryDTO, materialCategory));
}
}
return materialCategory;
}
public final static MaterialCategory toEntitySubCategories(
MaterialCategoryDTO materialCategoryDTO, MaterialCategory parent) {
MaterialCategory materialCategory = toEntityCategory(materialCategoryDTO);
// find the parent
if (materialCategoryDTO.parent != null) {
if (!materialCategoryDTO.parent.equalsIgnoreCase(parent.getCode())) {
throw new ValidationException("inconsistent parent code.");
}
}
return materialCategory;
}
private static Material toEntity(MaterialDTO materialDTO) {
Material material = Material.createUnvalidated(StringUtils
.trim(materialDTO.code), StringUtils
.trim(materialDTO.description), materialDTO.defaultPrice,
materialDTO.disabled);
if (materialDTO.unitType != null) {
try {
UnitType unitType = Registry.getUnitTypeDAO()
.findByCodeAnotherTransaction(
materialDTO.unitType);
material.setUnitType(unitType);
} catch (InstanceNotFoundException e) {
throw new ValidationException("unit type code not found");
}
}
return material;
}
public final static void updateMaterialCategory(
MaterialCategory materialCategory,
MaterialCategoryDTO materialCategoryDTO) throws ValidationException {
/* check the parent code */
if (((materialCategoryDTO.parent != null)
&& (materialCategory.getParent() != null)
&& (!materialCategory.getParent().getCode().equalsIgnoreCase(
materialCategoryDTO.parent)))
|| ((!(materialCategoryDTO.parent == null) && (materialCategory
.getParent() == null)))) {
throw new ValidationException("inconsistent parent code.");
}
/*
* 1: Update basic properties in existing material category and add new
* materials.
*/
if (materialCategoryDTO.materials != null) {
for (MaterialDTO materialDTO : materialCategoryDTO.materials) {
/* Step 1.1 requires each material DTO to have a code. */
if (StringUtils.isBlank(materialDTO.code)) {
throw new ValidationException("missing code in a material");
}
try {
Material material = materialCategory
.getMaterialByCode(materialDTO.code);
updateMaterial(material, materialDTO);
} catch (InstanceNotFoundException e) {
materialCategory.addMaterial(toEntity(materialDTO));
}
}
}
/*
* 2: Update basic properties in existing subcategories and add new
* subcategories.
*/
if (materialCategoryDTO.subcategories != null) {
for (MaterialCategoryDTO subcategoryDTO : materialCategoryDTO.subcategories.materialCategoryDTOs) {
/* Step 2.1 requires each subcategory DTO to have a code. */
if (StringUtils.isBlank(subcategoryDTO.code)) {
throw new ValidationException(
"missing code in a subcategory");
}
try {
MaterialCategory subcategory = materialCategory
.getSubcategoryByCode(subcategoryDTO.code);
updateMaterialCategory(subcategory, subcategoryDTO);
} catch (InstanceNotFoundException e) {
materialCategory
.addSubcategory(toEntity(subcategoryDTO));
}
}
}
/* 3: Update material category basic properties. */
materialCategory.updateUnvalidated(StringUtils
.trim(materialCategoryDTO.name));
}
public final static void updateMaterial(Material material,
MaterialDTO materialDTO) throws ValidationException {
if (materialDTO.unitType != null) {
try {
UnitType type = Registry.getUnitTypeDAO()
.findByCodeAnotherTransaction(
materialDTO.unitType);
material.setUnitType(type);
} catch (InstanceNotFoundException e) {
throw new ValidationException("unit type code not found");
}
}
material.updateUnvalidated(StringUtils.trim(materialDTO.description),
materialDTO.defaultPrice, materialDTO.disabled);
}
}