/**
*
* 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.util;
import org.qi4j.api.common.Optional;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.injection.scope.Uses;
import org.qi4j.api.specification.Specification;
import org.qi4j.api.structure.Module;
import org.qi4j.api.util.Function;
import org.qi4j.api.util.Iterables;
import se.streamsource.streamflow.api.workspace.cases.general.FieldSubmissionDTO;
import se.streamsource.streamflow.api.workspace.cases.general.FormDraftDTO;
import se.streamsource.streamflow.api.workspace.cases.general.PageSubmissionDTO;
import se.streamsource.streamflow.util.Strings;
import se.streamsource.streamflow.web.domain.entity.form.FieldEntity;
import se.streamsource.streamflow.web.domain.entity.form.PageEntity;
import se.streamsource.streamflow.web.domain.structure.SubmittedFieldValue;
import se.streamsource.streamflow.web.domain.structure.form.SubmittedFormValue;
import se.streamsource.streamflow.web.domain.structure.form.SubmittedPageValue;
import se.streamsource.streamflow.web.domain.structure.form.VisibilityRule;
/**
* This class is able to validate visibility rules for a SubmittedFormValue.
*
*/
public class FormVisibilityRuleValidator
{
@Structure
Module module;
private SubmittedFormValue submittedForm;
private FormDraftDTO formDraft;
public FormVisibilityRuleValidator( @Optional @Uses SubmittedFormValue submittedForm, @Optional @Uses FormDraftDTO formDraft )
{
this.submittedForm = submittedForm;
this.formDraft = formDraft;
}
public boolean visible( SubmittedFieldValue submittedFieldValue )
{
boolean visible;
final VisibilityRule fieldRule = module.unitOfWorkFactory().currentUnitOfWork().get( FieldEntity.class, submittedFieldValue.field().get().identity() );
if( fieldRule.getRule() == null || Strings.empty( fieldRule.getRule().field().get() ))
{
visible = true;
} else
{
// find submitted field matching rule field and fetch value - check if submitted field is visible - yes - validate
// this call will be recursive if several fields are chained by visibility rules.
SubmittedFieldValue fieldValue = Iterables.first( Iterables.filter( new Specification<SubmittedFieldValue>()
{
public boolean satisfiedBy( SubmittedFieldValue field )
{
return field.field().get().identity().equals( fieldRule.getRule().field().get() );
}
}, submittedForm.fields() ) );
if( visible( fieldValue ) )
{
// validate
visible = fieldRule.validate( fieldValue.value().get() );
} else
{
visible = false;
}
}
return visible;
}
public boolean visible( SubmittedPageValue submittedPageValue )
{
boolean visible;
final VisibilityRule pageRule = module.unitOfWorkFactory().currentUnitOfWork().get( PageEntity.class, submittedPageValue.page().get().identity() );
if( pageRule.getRule() == null || Strings.empty( pageRule.getRule().field().get() ))
{
visible = true;
} else
{
//find submitted field matching rule field and fetch value - check if submitted field is visible - yes - validate
SubmittedFieldValue fieldValue = Iterables.first( Iterables.filter( new Specification<SubmittedFieldValue>()
{
public boolean satisfiedBy( SubmittedFieldValue field )
{
return field.field().get().identity().equals( pageRule.getRule().field().get() );
}
}, submittedForm.fields() ) );
if( visible( fieldValue ) )
{
// validate
visible = pageRule.validate( fieldValue.value().get() );
} else
{
visible = false;
}
}
return visible;
}
public boolean visible( FieldSubmissionDTO fieldSubmission )
{
boolean visible;
final VisibilityRule fieldRule = module.unitOfWorkFactory().currentUnitOfWork().get( FieldEntity.class, fieldSubmission.field().get().field().get().identity() );
if( fieldRule.getRule() == null || Strings.empty( fieldRule.getRule().field().get() ))
{
visible = true;
} else
{
// find form draft submission field matching rule field and fetch value - check if submitted field is visible - yes - validate
// this call will be recursive if several fields are chained by visibility rules.
FieldSubmissionDTO submissionValue = Iterables.first( Iterables.filter( new Specification<FieldSubmissionDTO>()
{
public boolean satisfiedBy( FieldSubmissionDTO field )
{
return field.field().get().field().get().identity().equals( fieldRule.getRule().field().get() );
}
}, Iterables.flatten( Iterables.map( new Function<PageSubmissionDTO, Iterable<FieldSubmissionDTO>>()
{
public Iterable<FieldSubmissionDTO> map( PageSubmissionDTO page )
{
return page.fields().get();
}
} , formDraft.pages().get() ) ) ) );
if( visible( submissionValue ) )
{
// validate
visible = fieldRule.validate( submissionValue.value().get() );
} else
{
visible = false;
}
}
return visible;
}
public boolean visible( PageSubmissionDTO pageSubmissionDTO )
{
boolean visible;
final VisibilityRule pageRule = module.unitOfWorkFactory().currentUnitOfWork().get( PageEntity.class, pageSubmissionDTO.page().get().identity() );
if( pageRule.getRule() == null || Strings.empty( pageRule.getRule().field().get() ))
{
visible = true;
} else
{
//find submitted field matching rule field and fetch value - check if submitted field is visible - yes - validate
FieldSubmissionDTO submissionValue = Iterables.first( Iterables.filter( new Specification<FieldSubmissionDTO>()
{
public boolean satisfiedBy( FieldSubmissionDTO field )
{
return field.field().get().field().get().identity().equals( pageRule.getRule().field().get() );
}
}, Iterables.flatten( Iterables.map( new Function<PageSubmissionDTO, Iterable<FieldSubmissionDTO>>()
{
public Iterable<FieldSubmissionDTO> map( PageSubmissionDTO page )
{
return page.fields().get();
}
}, formDraft.pages().get() ) ) ) );
if( visible( submissionValue ) )
{
// validate
visible = pageRule.validate( submissionValue.value().get() );
} else
{
visible = false;
}
}
return visible;
}
}