/**
*
* 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.domain.structure.organization;
import static org.qi4j.api.query.QueryExpressions.eq;
import static org.qi4j.api.query.QueryExpressions.templateFor;
import org.qi4j.api.common.Optional;
import org.qi4j.api.concern.ConcernOf;
import org.qi4j.api.concern.Concerns;
import org.qi4j.api.entity.Aggregated;
import org.qi4j.api.entity.EntityBuilder;
import org.qi4j.api.entity.Identity;
import org.qi4j.api.entity.IdentityGenerator;
import org.qi4j.api.entity.association.ManyAssociation;
import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.injection.scope.This;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.api.query.Query;
import org.qi4j.api.specification.Specification;
import org.qi4j.api.structure.Module;
import org.qi4j.api.util.Iterables;
import se.streamsource.streamflow.api.ErrorResources;
import se.streamsource.streamflow.infrastructure.event.domain.DomainEvent;
import se.streamsource.streamflow.web.domain.structure.casetype.PriorityOnCase;
/**
* Contains priority definitions.
*/
@Concerns( {Priorities.RemovePriorityConcern.class} )
@Mixins( {Priorities.Mixin.class} )
public interface Priorities
{
Priority createPriority();
void addPriority( Priority priority );
boolean removePriority( Priority priority );
void changePriorityOrder( Priority priority, int direction );
interface Data
{
@Aggregated
ManyAssociation<Priority> prioritys();
}
interface Event
{
Priority createdPriority( @Optional DomainEvent event, String id );
void addedPriority( @Optional DomainEvent event, Priority priority );
void removedPriority( @Optional DomainEvent event, Priority priority );
}
abstract class Mixin
implements Priorities, Event
{
@This
Data data;
@This
Event event;
@Structure
Module module;
@Service
IdentityGenerator idgen;
public Priority createPriority()
{
Priority priority = createdPriority( null, idgen.generate( Identity.class ) );
addPriority( priority );
return priority;
}
public void addPriority( Priority priority )
{
if( !data.prioritys().contains( priority ) )
event.addedPriority( null, priority );
}
public boolean removePriority( Priority priority )
{
if (data.prioritys().contains( priority ))
{
event.removedPriority( null, priority );
priority.removeEntity();
return true;
} else
return false;
}
public void changePriorityOrder( final Priority priority, final int direction )
{
// check bounds first - we may not move priorities outside the priority range
Integer oldPriority = ((PrioritySettings.Data)priority).priority().get();
int movingTo = oldPriority.intValue() + direction;
if( movingTo >= 0 && movingTo <= (data.prioritys().count() - 1) )
{
Priority move = Iterables.first( Iterables.filter( new Specification<Priority>()
{
public boolean satisfiedBy( Priority item )
{
return ((PrioritySettings.Data)item).priority().get().compareTo( new Integer( ((PrioritySettings.Data)priority).priority().get().intValue() + direction ) ) == 0;
}
}, data.prioritys().toList() ) );
priority.changePriority( ((PrioritySettings.Data)move).priority().get() );
move.changePriority( new Integer( ((PrioritySettings.Data)move).priority().get().intValue() + (direction * -1) ) );
}
}
public Priority createdPriority( @Optional DomainEvent event, String id )
{
EntityBuilder<Priority> builder = module.unitOfWorkFactory().currentUnitOfWork().newEntityBuilder( Priority.class, id );
builder.instanceFor( PrioritySettings.Data.class ).priority().set( data.prioritys().count() );
return builder.newInstance();
}
}
abstract class RemovePriorityConcern
extends ConcernOf<Priorities>
implements Priorities
{
@Structure
Module module;
@This
Data data;
public boolean removePriority(Priority priority)
{
Query<PriorityOnCase> query = module.queryBuilderFactory().newQueryBuilder( PriorityOnCase.class )
.where( eq(
templateFor( PriorityOnCase.Data.class ).defaultPriority(),
priority ) )
.newQuery( module.unitOfWorkFactory().currentUnitOfWork() );
if( query.count() > 0 )
throw new IllegalStateException( ErrorResources.priority_remove_failed_default_exist.toString() );
final Integer removedPriority = ((PrioritySettings.Data)priority).priority().get();
boolean result = next.removePriority( priority );
Iterable<Priority> updatePriorities= Iterables.filter( new Specification<Priority>()
{
public boolean satisfiedBy( Priority item )
{
return removedPriority.compareTo( ((PrioritySettings.Data)item).priority().get() ) == -1;
}
}, data.prioritys().toList() );
for( Priority movePrio : updatePriorities )
{
movePrio.changePriority( ((PrioritySettings.Data)movePrio).priority().get() - 1 );
}
return result;
}
}
}