package com.sap.wishlist.document;
import java.net.URI;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import javax.annotation.ManagedBean;
import javax.inject.Inject;
import javax.ws.rs.NotFoundException;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.springframework.beans.factory.annotation.Value;
import com.sap.cloud.yaas.servicesdk.authorization.AccessToken;
import com.sap.cloud.yaas.servicesdk.jerseysupport.pagination.PaginatedCollection;
import com.sap.cloud.yaas.servicesdk.jerseysupport.pagination.PaginationRequest;
import com.sap.cloud.yaas.servicesdk.patternsupport.schemas.ResourceLocation;
import com.sap.wishlist.api.generated.Wishlist;
import com.sap.wishlist.api.generated.WishlistItem;
import com.sap.wishlist.api.generated.WishlistMedia;
import com.sap.wishlist.api.generated.YaasAwareParameters;
import com.sap.wishlist.client.document.DocumentClient;
import com.sap.wishlist.utility.ErrorHandler;
@ManagedBean
public class DocumentClientService {
private static final String WISHLIST_PATH = "wishlist";
private static final String WISHLIST_MEDIA_PATH = "wishlistMedia";
@Value("${YAAS_CLIENT}")
private String client;
@Inject
private DocumentClient documentClient;
public PaginatedCollection<Wishlist> getWishlists(final PaginationRequest paginationRequest,
final YaasAwareParameters yaasAware, final AccessToken token) {
final Response response = documentClient.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_PATH)
.prepareGet()
.withPageNumber(paginationRequest.getPageNumber())
.withPageSize(paginationRequest.getPageSize())
.withTotalCount(paginationRequest.isCountingTotal())
.withAuthorization(token.toAuthorizationHeaderValue())
.execute();
if (response.getStatus() == Response.Status.OK.getStatusCode()) {
final List<Wishlist> wishlists = Arrays.stream(response.readEntity(DocumentWishlist[].class))
.map(document -> transformWishlist(document))
.collect(Collectors.toList());
return PaginatedCollection.<Wishlist> of(wishlists)
.with(response, paginationRequest)
.build();
} else if (response.getStatus() == Status.NOT_FOUND.getStatusCode()) {
return PaginatedCollection.of(Collections.<Wishlist> emptyList()).build();
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
private Wishlist transformWishlist(final DocumentWishlist documentWishlist) {
final Wishlist result = documentWishlist.getWishlist();
result.setCreatedAt(documentWishlist.getMetadata().getCreatedAt());
return result;
}
public String createWishlist(final YaasAwareParameters yaasAware, final Wishlist wishlist,
final AccessToken token) {
final DocumentWishlist documentWishlist = new DocumentWishlist();
documentWishlist.setWishlist(wishlist);
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_PATH)
.dataId(wishlist.getId())
.preparePost()
.withAuthorization(token.toAuthorizationHeaderValue())
.withPayload(Entity.json(documentWishlist))
.execute();
if (response.getStatus() == Status.CREATED.getStatusCode()) {
return response.readEntity(ResourceLocation.class).getId();
} else if (response.getStatus() == Status.CONFLICT.getStatusCode()) {
throw new WebApplicationException("Duplicate ID. Please provide another ID for the wishlist.", response);
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
public Wishlist getWishlist(final YaasAwareParameters yaasAware, final String id, final AccessToken token) {
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_PATH)
.dataId(id)
.prepareGet()
.withAuthorization(token.toAuthorizationHeaderValue())
.execute();
if (response.getStatus() == Status.OK.getStatusCode()) {
final DocumentWishlist documentWishlist = response.readEntity(DocumentWishlist.class);
final Wishlist wishlist = documentWishlist.getWishlist();
wishlist.setCreatedAt(documentWishlist.getMetadata().getCreatedAt());
return wishlist;
} else if (response.getStatus() == Status.NOT_FOUND.getStatusCode()) {
throw new NotFoundException("Cannot find wishlist with ID " + id, response);
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
public void updateWishlist(final YaasAwareParameters yaasAware, final String wishlistId, final Wishlist wishlist,
final AccessToken token) {
final DocumentWishlist documentWishlist = new DocumentWishlist();
documentWishlist.setWishlist(wishlist);
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_PATH)
.dataId(wishlistId)
.preparePut()
.withAuthorization(token.toAuthorizationHeaderValue())
.withPayload(Entity.json(documentWishlist))
.execute();
if (response.getStatus() == Status.OK.getStatusCode()) {
return;
} else if (response.getStatus() == Status.NOT_FOUND.getStatusCode()) {
throw new NotFoundException("Cannot find wishlist with ID " + wishlistId, response);
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
public void deleteWishlist(final YaasAwareParameters yaasAware, final String wishlistId, final AccessToken token) {
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_PATH)
.dataId(wishlistId)
.prepareDelete()
.withAuthorization(token.toAuthorizationHeaderValue())
.execute();
if (response.getStatus() == Status.NO_CONTENT.getStatusCode()) {
return;
} else if (response.getStatus() == Status.NOT_FOUND.getStatusCode()) {
throw new NotFoundException("Cannot find wishlist with ID " + wishlistId, response);
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
public String createWishlistMedia(final YaasAwareParameters yaasAware, final String wishlistId,
final String mediaId, URI location, final AccessToken token) {
final WishlistMedia wishlistMedia = new WishlistMedia();
wishlistMedia.setId(mediaId);
wishlistMedia.setUri(location);
final DocumentWishlistMedia documentWishlistMedia = new DocumentWishlistMedia();
documentWishlistMedia.setWishlistId(wishlistId);
documentWishlistMedia.setWishlistMedia(wishlistMedia);
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_MEDIA_PATH)
.preparePost()
.withAuthorization(token.toAuthorizationHeaderValue())
.withPayload(documentWishlistMedia)
.execute();
if (response.getStatus() == Response.Status.CREATED.getStatusCode()) {
return response.readEntity(ResourceLocation.class).getId();
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
public PaginatedCollection<WishlistMedia> getWishlistMedias(final YaasAwareParameters yaasAware,
final PaginationRequest paginationRequest, final String wishlistId, final AccessToken token) {
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_MEDIA_PATH)
// get only the media with wishlistId
.withQuery("q", "wishlistId:" + wishlistId)
.prepareGet()
.withAuthorization(token.toAuthorizationHeaderValue())
.withTotalCount(paginationRequest.isCountingTotal())
.withPageNumber(paginationRequest.getPageNumber())
.withPageSize(paginationRequest.getPageSize()).execute();
if (response.getStatus() == Response.Status.OK.getStatusCode()) {
final List<WishlistMedia> medias = Arrays.stream(response
.readEntity(DocumentWishlistMedia[].class))
.map(document -> transformWishlistMedia(document))
.collect(Collectors.toList());
return PaginatedCollection.<WishlistMedia> of(medias)
.with(response, paginationRequest)
.build();
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
private WishlistMedia transformWishlistMedia(final DocumentWishlistMedia media) {
final WishlistMedia result = new WishlistMedia();
result.setId(media.getId());
result.setUri(media.getWishlistMedia().getUri());
return result;
}
public WishlistMedia getWishlistMedia(final YaasAwareParameters yaasAware, final String mediaId,
final AccessToken token) {
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_MEDIA_PATH)
.dataId(mediaId)
.prepareGet()
.withAuthorization(token.toAuthorizationHeaderValue())
.execute();
if (response.getStatus() == Response.Status.OK.getStatusCode()) {
final DocumentWishlistMedia documentWishlistMedia = response.readEntity(DocumentWishlistMedia.class);
final WishlistMedia wishlistMedia = new WishlistMedia();
wishlistMedia.setId(documentWishlistMedia.getWishlistMedia().getId());
wishlistMedia.setUri(documentWishlistMedia.getWishlistMedia().getUri());
return wishlistMedia;
} else if (response.getStatus() == Status.NOT_FOUND.getStatusCode()) {
throw new NotFoundException("Cannot find wishlist media with ID " + mediaId, response);
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
public void deleteWishlistMedia(final YaasAwareParameters yaasAware, final String mediaId,
final AccessToken token) {
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_MEDIA_PATH)
.dataId(mediaId)
.prepareDelete()
.withAuthorization(token.toAuthorizationHeaderValue())
.execute();
if (response.getStatus() == Response.Status.NO_CONTENT.getStatusCode()) {
return;
} else if (response.getStatus() == Status.NOT_FOUND.getStatusCode()) {
throw new NotFoundException("Cannot find wishlist media with ID " + mediaId, response);
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
public List<WishlistItem> getWishlistItems(final PaginationRequest paged, final YaasAwareParameters yaasAware,
final String wishlistId, final AccessToken token) {
final Response response = documentClient
.tenant(yaasAware.getHybrisTenant())
.client(client)
.dataType(WISHLIST_PATH)
.dataId(wishlistId)
.prepareGet()
.withAuthorization(token.toAuthorizationHeaderValue())
.execute();
if (response.getStatus() == Status.OK.getStatusCode()) {
final Wishlist wishlist = response.readEntity(DocumentWishlist.class).getWishlist();
final List<WishlistItem> wishlistItems = wishlist.getItems();
if (wishlistItems == null) {
return Collections.emptyList();
}
final int lastIndexOfItems = wishlistItems.size() - 1;
final int pageNum = paged.getPageNumber();
final int pageSize = paged.getPageSize();
final int indexOfStartItem = pageNum * pageSize - pageSize;
final int indexOfEndItem = pageNum * pageSize - 1;
final int min = Math.min(indexOfEndItem, lastIndexOfItems);
return IntStream.range(indexOfStartItem, min + 1)
.mapToObj(i -> wishlistItems.get(i))
.collect(Collectors.toList());
} else if (response.getStatus() == Status.NOT_FOUND.getStatusCode()) {
return Collections.emptyList();
}
throw ErrorHandler.resolveErrorResponse(response, token);
}
}
