001// --------------------------------------------------------------------------------
002// Copyright 2002-2026 Echo Three, LLC
003//
004// Licensed under the Apache License, Version 2.0 (the "License");
005// you may not use this file except in compliance with the License.
006// You may obtain a copy of the License at
007//
008//     http://www.apache.org/licenses/LICENSE-2.0
009//
010// Unless required by applicable law or agreed to in writing, software
011// distributed under the License is distributed on an "AS IS" BASIS,
012// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013// See the License for the specific language governing permissions and
014// limitations under the License.
015// --------------------------------------------------------------------------------
016
017package com.echothree.model.control.training.server.logic;
018
019import com.echothree.model.control.training.common.exception.UnknownTrainingClassNameException;
020import com.echothree.model.control.training.server.control.TrainingControl;
021import com.echothree.model.data.training.server.entity.TrainingClassPage;
022import com.echothree.model.data.training.server.entity.TrainingClassSection;
023import com.echothree.util.common.message.ExecutionErrors;
024import com.echothree.util.server.control.BaseLogic;
025import com.echothree.util.server.message.ExecutionErrorAccumulator;
026import com.echothree.util.server.persistence.EntityPermission;
027import javax.enterprise.context.ApplicationScoped;
028import javax.enterprise.inject.spi.CDI;
029import javax.inject.Inject;
030
031@ApplicationScoped
032public class TrainingClassPageLogic
033        extends BaseLogic {
034
035    @Inject
036    private TrainingControl trainingControl;
037
038    protected TrainingClassPageLogic() {
039        super();
040    }
041
042    public static TrainingClassPageLogic getInstance() {
043        return CDI.current().select(TrainingClassPageLogic.class).get();
044    }
045
046    private TrainingClassPage getTrainingClassPageByName(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
047            final String trainingClassPageName, EntityPermission entityPermission) {
048        var trainingClassPage = trainingControl.getTrainingClassPageByName(trainingClassSection, trainingClassPageName, entityPermission);
049
050        if(trainingClassPage == null) {
051            var trainingClassSectionDetail = trainingClassSection.getLastDetail();
052            var trainingClassDetail = trainingClassSectionDetail.getTrainingClass().getLastDetail();
053
054            handleExecutionError(UnknownTrainingClassNameException.class, eea, ExecutionErrors.UnknownTrainingClassPageName.name(),
055                    trainingClassDetail.getTrainingClassName(), trainingClassSectionDetail.getTrainingClassSectionName(), trainingClassPageName);
056        }
057
058        return trainingClassPage;
059    }
060
061    public TrainingClassPage getTrainingClassPageByName(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
062            final String trainingClassPageName) {
063        return getTrainingClassPageByName(eea, trainingClassSection, trainingClassPageName, EntityPermission.READ_ONLY);
064    }
065
066    public TrainingClassPage getTrainingClassPageByNameForUpdate(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
067            final String trainingClassPageName) {
068        return getTrainingClassPageByName(eea, trainingClassSection, trainingClassPageName, EntityPermission.READ_WRITE);
069    }
070
071}