/**
* JBoss, Home of Professional Open Source
* Copyright Red Hat, Inc., and individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.aerogear.unifiedpush.rest.registry.applications;
import org.jboss.aerogear.unifiedpush.api.Installation;
import org.jboss.aerogear.unifiedpush.dao.PageResult;
import org.jboss.aerogear.unifiedpush.service.ClientInstallationService;
import org.jboss.aerogear.unifiedpush.service.impl.SearchManager;
import org.jboss.resteasy.spi.Link;
import org.jboss.resteasy.spi.LinkHeader;
import javax.inject.Inject;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
@Path("/applications/{variantID}/installations/")
public class InstallationManagementEndpoint {
private static final int MAX_PAGE_SIZE = 50;
private static final int DEFAULT_PAGE_SIZE = 25;
@Inject
private SearchManager searchManager;
@Inject
private ClientInstallationService clientInstallationService;
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response findInstallations(@PathParam("variantID") String variantId, @QueryParam("page") Integer page,
@QueryParam("per_page") Integer pageSize, @Context UriInfo uri) {
if (pageSize != null) {
pageSize = Math.min(MAX_PAGE_SIZE, pageSize);
} else {
pageSize = DEFAULT_PAGE_SIZE;
}
if (page == null) {
page = 0;
}
//Find the variant using the variantID
if (!searchManager.getSearchService().existsVariantIDForDeveloper(variantId)) {
return Response.status(Response.Status.NOT_FOUND).entity("Could not find requested Variant").build();
}
//Find the installations using the variantID
PageResult<Installation> pageResult = clientInstallationService.findInstallationsByVariant(variantId, page, pageSize);
final long totalPages = pageResult.getCount() / pageSize;
LinkHeader header = getLinkHeader(page, totalPages, uri);
return Response.ok(pageResult.getResultList())
.header("Link", header.toString())
.header("total", pageResult.getCount())
.build();
}
LinkHeader getLinkHeader(Integer page, long totalPages, UriInfo uri) {
LinkHeader header = new LinkHeader();
if (page != 0) {
header.addLink(buildLink("prev", page - 1, uri));
header.addLink(buildLink("first", 0, uri));
}
if (page < totalPages) {
header.addLink(buildLink("next", page + 1, uri));
header.addLink(buildLink("last", totalPages, uri));
}
return header;
}
private Link buildLink(String rel, long pageNo, UriInfo uri) {
Link link = new Link();
link.setHref(uri.getAbsolutePathBuilder().queryParam("page", pageNo).build().toASCIIString());
link.setRelationship(rel);
return link;
}
@GET
@Path("/{installationID}")
@Produces(MediaType.APPLICATION_JSON)
public Response findInstallation(@PathParam("variantID") String variantId, @PathParam("installationID") String installationId) {
Installation installation = clientInstallationService.findById(installationId);
if (installation == null) {
return Response.status(Response.Status.NOT_FOUND).entity("Could not find requested Installation").build();
}
return Response.ok(installation).build();
}
@PUT
@Path("/{installationID}")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response updateInstallation(Installation entity, @PathParam("variantID") String variantId, @PathParam("installationID") String installationId) {
Installation installation = clientInstallationService.findById(installationId);
if (installation == null) {
return Response.status(Response.Status.NOT_FOUND).entity("Could not find requested Installation").build();
}
clientInstallationService.updateInstallation(installation, entity);
return Response.noContent().build();
}
@DELETE
@Path("/{installationID}")
@Produces(MediaType.APPLICATION_JSON)
public Response removeInstallation(@PathParam("variantID") String variantId, @PathParam("installationID") String installationId) {
Installation installation = clientInstallationService.findById(installationId);
if (installation == null) {
return Response.status(Response.Status.NOT_FOUND).entity("Could not find requested Installation").build();
}
// remove it
clientInstallationService.removeInstallation(installation);
return Response.noContent().build();
}
}