Create endpoint for groups

scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupCollectionResource.java

@@ -1,4 +1,78 @@
 package sonia.scm.api.v2.resources;
 
-public class GroupCollectionResource {
+import com.google.inject.Inject;
+import com.webcohesion.enunciate.metadata.rs.ResponseCode;
+import com.webcohesion.enunciate.metadata.rs.ResponseHeader;
+import com.webcohesion.enunciate.metadata.rs.StatusCodes;
+import com.webcohesion.enunciate.metadata.rs.TypeHint;
+import sonia.scm.api.rest.resources.AbstractManagerResource;
+import sonia.scm.group.Group;
+import sonia.scm.group.GroupException;
+import sonia.scm.group.GroupManager;
+import sonia.scm.web.VndMediaType;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.GenericEntity;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
+import java.io.IOException;
+import java.util.Collection;
+
+@Produces(VndMediaType.GROUP_COLLECTION)
+public class GroupCollectionResource extends AbstractManagerResource<Group, GroupException> {
+  public static final int DEFAULT_PAGE_SIZE = 10;
+  private final GroupDto2GroupMapper dtoToGroupMapper;
+  private final Group2GroupDtoMapper groupToDtoMapper;
+
+  @Inject
+  public GroupCollectionResource(GroupManager manager, GroupDto2GroupMapper dtoToGroupMapper, Group2GroupDtoMapper groupToDtoMapper) {
+    super(manager);
+    this.dtoToGroupMapper = dtoToGroupMapper;
+    this.groupToDtoMapper = groupToDtoMapper;
+  }
+
+
+  /**
+   * Creates a new group.
+   * @param groupDto The group to be created.
+   * @return A response with the link to the new group (if created successfully).
+   */
+  @POST
+  @Path("")
+  @StatusCodes({
+    @ResponseCode(code = 201, condition = "create success", additionalHeaders = {
+      @ResponseHeader(name = "Location", description = "uri to the created group")
+    }),
+    @ResponseCode(code = 403, condition = "forbidden, the current user has no admin privileges"),
+    @ResponseCode(code = 500, condition = "internal server error")
+  })
+  @TypeHint(TypeHint.NO_CONTENT.class)
+  @Consumes(VndMediaType.GROUP)
+  public Response create(@Context UriInfo uriInfo, GroupDto groupDto) throws IOException, GroupException {
+    Group group = dtoToGroupMapper.groupDtoToGroup(groupDto);
+    System.out.println(group);
+    manager.create(group);
+
+    LinkBuilder builder = new LinkBuilder(uriInfo, GroupV2Resource.class, GroupSubResource.class);
+    return Response.created(builder.method("getGroupSubResource").parameters(group.getName()).method("get").parameters().create()).build();
+  }
+
+  @Override
+  protected GenericEntity<Collection<Group>> createGenericEntity(Collection<Group> items) {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  protected String getId(Group item) {
+    return item.getName();
+  }
+
+  @Override
+  protected String getPathPart() {
+    throw new UnsupportedOperationException();
+  }
 }