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ProjectTemplateApplicationService.java
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ProjectTemplateApplicationService.java
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/*******************************************************************************
* Copyright (c) 2024 Obeo.
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.web.application.project.services;
import java.util.Comparator;
import java.util.List;
import java.util.Objects;
import org.eclipse.sirius.web.application.project.dto.ProjectTemplateDTO;
import org.eclipse.sirius.web.application.project.services.api.IProjectTemplateApplicationService;
import org.eclipse.sirius.web.application.project.services.api.IProjectTemplateProvider;
import org.eclipse.sirius.web.application.project.services.api.ProjectTemplate;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
/**
* Used to interact with project templates.
*
* @author sbegaudeau
*/
@Service
public class ProjectTemplateApplicationService implements IProjectTemplateApplicationService {
private final List<IProjectTemplateProvider> projectTemplateProviders;
public ProjectTemplateApplicationService(List<IProjectTemplateProvider> projectTemplateProviders) {
this.projectTemplateProviders = Objects.requireNonNull(projectTemplateProviders);
}
@Override
public Page<ProjectTemplateDTO> findAll(Pageable pageable) {
var projectTemplates = this.projectTemplateProviders.stream()
.map(IProjectTemplateProvider::getProjectTemplates)
.flatMap(List::stream)
.sorted(Comparator.comparing(ProjectTemplate::label))
.toList();
int startIndex = (int) pageable.getOffset() * pageable.getPageSize();
int endIndex = Math.min(((int) pageable.getOffset() + 1) * pageable.getPageSize(), projectTemplates.size());
var projectTemplateDTOs = projectTemplates.subList(startIndex, endIndex).stream()
.map(projectTemplate -> new ProjectTemplateDTO(projectTemplate.id(), projectTemplate.label(), projectTemplate.imageURL()))
.toList();
return new PageImpl<>(projectTemplateDTOs, pageable, projectTemplates.size());
}
}