/**
 *
 * Copyright
 * 2009-2015 Jayway Products AB
 * 2016-2017 Föreningen Sambruk
 *
 * Licensed under AGPL, Version 3.0 (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.gnu.org/licenses/agpl.txt
 *
 * 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 se.streamsource.streamflow.web.context.workspace.cases.attachment;

import static se.streamsource.streamflow.api.workspace.cases.CaseStates.DRAFT;
import static se.streamsource.streamflow.api.workspace.cases.CaseStates.OPEN;

import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;

import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.io.Inputs;
import org.qi4j.api.structure.Module;

import se.streamsource.dci.api.IndexContext;
import se.streamsource.dci.api.RoleMap;
import se.streamsource.streamflow.web.context.RequiresPermission;
import se.streamsource.streamflow.web.domain.entity.RequiresRemoved;
import se.streamsource.streamflow.web.domain.interaction.gtd.RequiresStatus;
import se.streamsource.streamflow.web.domain.interaction.security.PermissionType;
import se.streamsource.streamflow.web.domain.structure.attachment.Attachment;
import se.streamsource.streamflow.web.domain.structure.attachment.Attachments;
import se.streamsource.streamflow.web.infrastructure.attachment.AttachmentStore;

/**
 * JAVADOC
 */
public class AttachmentsContext
      implements IndexContext<Iterable<Attachment>>
{
   @Structure
   Module module;

   @Service
   AttachmentStore store;

   public Iterable<Attachment> index()
   {
      return RoleMap.role( Attachments.Data.class ).attachments();
   }

   @RequiresStatus({OPEN, DRAFT})
   @RequiresRemoved(false)
   @RequiresPermission(PermissionType.write)
   public Attachment createAttachment(InputStream inputStream) throws IOException, URISyntaxException
   {
      String id = store.storeAttachment( Inputs.byteBuffer(inputStream, 4096));

      String url = "store:" + id;

      Attachments attachments = RoleMap.role( Attachments.class );
      return attachments.createAttachment( url );
   }
}