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.control.user.term.server.command;
018
019import com.echothree.control.user.term.common.form.DeleteTermDescriptionForm;
020import com.echothree.model.control.party.server.control.PartyControl;
021import com.echothree.model.control.term.server.control.TermControl;
022import com.echothree.model.data.user.common.pk.UserVisitPK;
023import com.echothree.util.common.message.ExecutionErrors;
024import com.echothree.util.common.validation.FieldDefinition;
025import com.echothree.util.common.validation.FieldType;
026import com.echothree.util.common.command.BaseResult;
027import com.echothree.util.server.control.BaseSimpleCommand;
028import java.util.List;
029import javax.enterprise.context.Dependent;
030import javax.inject.Inject;
031
032@Dependent
033public class DeleteTermDescriptionCommand
034        extends BaseSimpleCommand<DeleteTermDescriptionForm> {
035    
036    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
037    
038    static {
039        FORM_FIELD_DEFINITIONS = List.of(
040                new FieldDefinition("TermName", FieldType.ENTITY_NAME, true, null, null),
041                new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, true, null, null)
042        );
043    }
044
045    @Inject
046    PartyControl partyControl;
047
048    @Inject
049    TermControl termControl;
050
051    
052    /** Creates a new instance of DeleteTermDescriptionCommand */
053    public DeleteTermDescriptionCommand() {
054        super(null, FORM_FIELD_DEFINITIONS, false);
055    }
056    
057    @Override
058    protected BaseResult execute() {
059        var termName = form.getTermName();
060        var term = termControl.getTermByName(termName);
061        
062        if(term != null) {
063            var languageIsoName = form.getLanguageIsoName();
064            var language = partyControl.getLanguageByIsoName(languageIsoName);
065            
066            if(language != null) {
067                var termDescription = termControl.getTermDescriptionForUpdate(term, language);
068                
069                if(termDescription != null) {
070                    termControl.deleteTermDescription(termDescription, getPartyPK());
071                } else {
072                    addExecutionError(ExecutionErrors.UnknownTermDescription.name());
073                }
074            } else {
075                addExecutionError(ExecutionErrors.UnknownLanguageIsoName.name(), languageIsoName);
076            }
077        } else {
078            addExecutionError(ExecutionErrors.UnknownTermName.name(), termName);
079        }
080        
081        return null;
082    }
083    
084}