001// --------------------------------------------------------------------------------
002// Copyright 2002-2025 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.TrainingClass;
022import com.echothree.model.data.training.server.entity.TrainingClassAnswer;
023import com.echothree.model.data.training.server.entity.TrainingClassPage;
024import com.echothree.model.data.training.server.entity.TrainingClassQuestion;
025import com.echothree.model.data.training.server.entity.TrainingClassSection;
026import com.echothree.util.common.message.ExecutionErrors;
027import com.echothree.util.server.control.BaseLogic;
028import com.echothree.util.server.message.ExecutionErrorAccumulator;
029import com.echothree.util.server.persistence.EntityPermission;
030import com.echothree.util.server.persistence.Session;
031import javax.enterprise.context.ApplicationScoped;
032import javax.enterprise.inject.spi.CDI;
033
034@ApplicationScoped
035public class TrainingClassLogic
036        extends BaseLogic {
037
038    protected TrainingClassLogic() {
039        super();
040    }
041
042    public static TrainingClassLogic getInstance() {
043        return CDI.current().select(TrainingClassLogic.class).get();
044    }
045    
046    private TrainingClass getTrainingClassByName(final ExecutionErrorAccumulator eea, final String trainingClassName, EntityPermission entityPermission) {
047        var trainingControl = Session.getModelController(TrainingControl.class);
048        var trainingClass = trainingControl.getTrainingClassByName(trainingClassName, entityPermission);
049
050        if(trainingClass == null) {
051            handleExecutionError(UnknownTrainingClassNameException.class, eea, ExecutionErrors.UnknownTrainingClassName.name(), trainingClassName);
052        }
053
054        return trainingClass;
055    }
056    
057    public TrainingClass getTrainingClassByName(final ExecutionErrorAccumulator eea, final String trainingClassName) {
058        return getTrainingClassByName(eea, trainingClassName, EntityPermission.READ_ONLY);
059    }
060    
061    public TrainingClass getTrainingClassByNameForUpdate(final ExecutionErrorAccumulator eea, final String trainingClassName) {
062        return getTrainingClassByName(eea, trainingClassName, EntityPermission.READ_WRITE);
063    }
064    
065    private TrainingClassSection getTrainingClassSectionByName(final ExecutionErrorAccumulator eea, final TrainingClass trainingClass,
066            final String trainingClassSectionName, EntityPermission entityPermission) {
067        var trainingControl = Session.getModelController(TrainingControl.class);
068        var trainingClassSection = trainingControl.getTrainingClassSectionByName(trainingClass, trainingClassSectionName, entityPermission);
069
070        if(trainingClassSection == null) {
071            var trainingClassDetail = trainingClass.getLastDetail();
072            
073            handleExecutionError(UnknownTrainingClassNameException.class, eea, ExecutionErrors.UnknownTrainingClassSectionName.name(),
074                    trainingClassDetail.getTrainingClassName(), trainingClassSectionName);
075        }
076
077        return trainingClassSection;
078    }
079    
080    public TrainingClassSection getTrainingClassSectionByName(final ExecutionErrorAccumulator eea, final TrainingClass trainingClass,
081            final String trainingClassSectionName) {
082        return getTrainingClassSectionByName(eea, trainingClass, trainingClassSectionName, EntityPermission.READ_ONLY);
083    }
084    
085    public TrainingClassSection getTrainingClassSectionByNameForUpdate(final ExecutionErrorAccumulator eea, final TrainingClass trainingClass,
086            final String trainingClassSectionName) {
087        return getTrainingClassSectionByName(eea, trainingClass, trainingClassSectionName, EntityPermission.READ_WRITE);
088    }
089    
090    private TrainingClassPage getTrainingClassPageByName(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
091            final String trainingClassPageName, EntityPermission entityPermission) {
092        var trainingControl = Session.getModelController(TrainingControl.class);
093        var trainingClassPage = trainingControl.getTrainingClassPageByName(trainingClassSection, trainingClassPageName, entityPermission);
094
095        if(trainingClassPage == null) {
096            var trainingClassSectionDetail = trainingClassSection.getLastDetail();
097            var trainingClassDetail = trainingClassSectionDetail.getTrainingClass().getLastDetail();
098            
099            handleExecutionError(UnknownTrainingClassNameException.class, eea, ExecutionErrors.UnknownTrainingClassPageName.name(),
100                    trainingClassDetail.getTrainingClassName(), trainingClassSectionDetail.getTrainingClassSectionName(), trainingClassPageName);
101        }
102
103        return trainingClassPage;
104    }
105    
106    public TrainingClassPage getTrainingClassPageByName(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
107            final String trainingClassPageName) {
108        return getTrainingClassPageByName(eea, trainingClassSection, trainingClassPageName, EntityPermission.READ_ONLY);
109    }
110    
111    public TrainingClassPage getTrainingClassPageByNameForUpdate(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
112            final String trainingClassPageName) {
113        return getTrainingClassPageByName(eea, trainingClassSection, trainingClassPageName, EntityPermission.READ_WRITE);
114    }
115    
116    private TrainingClassQuestion getTrainingClassQuestionByName(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
117            final String trainingClassQuestionName, EntityPermission entityPermission) {
118        var trainingControl = Session.getModelController(TrainingControl.class);
119        var trainingClassQuestion = trainingControl.getTrainingClassQuestionByName(trainingClassSection, trainingClassQuestionName, entityPermission);
120
121        if(trainingClassQuestion == null) {
122            var trainingClassSectionDetail = trainingClassSection.getLastDetail();
123            var trainingClassDetail = trainingClassSectionDetail.getTrainingClass().getLastDetail();
124            
125            handleExecutionError(UnknownTrainingClassNameException.class, eea, ExecutionErrors.UnknownTrainingClassQuestionName.name(),
126                    trainingClassDetail.getTrainingClassName(), trainingClassSectionDetail.getTrainingClassSectionName(), trainingClassQuestionName);
127        }
128
129        return trainingClassQuestion;
130    }
131    
132    public TrainingClassQuestion getTrainingClassQuestionByName(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
133            final String trainingClassQuestionName) {
134        return getTrainingClassQuestionByName(eea, trainingClassSection, trainingClassQuestionName, EntityPermission.READ_ONLY);
135    }
136    
137    public TrainingClassQuestion getTrainingClassQuestionByNameForUpdate(final ExecutionErrorAccumulator eea, final TrainingClassSection trainingClassSection,
138            final String trainingClassQuestionName) {
139        return getTrainingClassQuestionByName(eea, trainingClassSection, trainingClassQuestionName, EntityPermission.READ_WRITE);
140    }
141    
142    private TrainingClassAnswer getTrainingClassAnswerByName(final ExecutionErrorAccumulator eea, final TrainingClassQuestion trainingClassQuestion,
143            final String trainingClassAnswerName, EntityPermission entityPermission) {
144        var trainingControl = Session.getModelController(TrainingControl.class);
145        var trainingClassAnswer = trainingControl.getTrainingClassAnswerByName(trainingClassQuestion, trainingClassAnswerName, entityPermission);
146
147        if(trainingClassAnswer == null) {
148            var trainingClassQuestionDetail = trainingClassQuestion.getLastDetail();
149            var trainingClassSectionDetail = trainingClassQuestionDetail.getTrainingClassSection().getLastDetail();
150            var trainingClassDetail = trainingClassSectionDetail.getTrainingClass().getLastDetail();
151            
152            handleExecutionError(UnknownTrainingClassNameException.class, eea, ExecutionErrors.UnknownTrainingClassAnswerName.name(),
153                    trainingClassDetail.getTrainingClassName(), trainingClassSectionDetail.getTrainingClassSectionName(),
154                    trainingClassQuestionDetail.getTrainingClassQuestionName(), trainingClassAnswerName);
155        }
156
157        return trainingClassAnswer;
158    }
159    
160    public TrainingClassAnswer getTrainingClassAnswerByName(final ExecutionErrorAccumulator eea, final TrainingClassQuestion trainingClassQuestion,
161            final String trainingClassAnswerName) {
162        return getTrainingClassAnswerByName(eea, trainingClassQuestion, trainingClassAnswerName, EntityPermission.READ_ONLY);
163    }
164    
165    public TrainingClassAnswer getTrainingClassAnswerByNameForUpdate(final ExecutionErrorAccumulator eea, final TrainingClassQuestion trainingClassQuestion,
166            final String trainingClassAnswerName) {
167        return getTrainingClassAnswerByName(eea, trainingClassQuestion, trainingClassAnswerName, EntityPermission.READ_WRITE);
168    }
169    
170}