001// --------------------------------------------------------------------------------
002// Copyright 2002-2024 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.forum.server.command;
018
019import com.echothree.control.user.forum.common.form.DeleteForumGroupDescriptionForm;
020import com.echothree.model.control.forum.server.control.ForumControl;
021import com.echothree.model.control.party.server.control.PartyControl;
022import com.echothree.model.data.forum.server.entity.ForumGroup;
023import com.echothree.model.data.forum.server.entity.ForumGroupDescription;
024import com.echothree.model.data.party.server.entity.Language;
025import com.echothree.model.data.user.common.pk.UserVisitPK;
026import com.echothree.util.common.message.ExecutionErrors;
027import com.echothree.util.common.validation.FieldDefinition;
028import com.echothree.util.common.validation.FieldType;
029import com.echothree.util.common.command.BaseResult;
030import com.echothree.util.server.control.BaseSimpleCommand;
031import com.echothree.util.server.persistence.Session;
032import java.util.Arrays;
033import java.util.Collections;
034import java.util.List;
035
036public class DeleteForumGroupDescriptionCommand
037        extends BaseSimpleCommand<DeleteForumGroupDescriptionForm> {
038    
039    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
040    
041    static {
042        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
043            new FieldDefinition("ForumGroupName", FieldType.ENTITY_NAME, true, null, null),
044            new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, true, null, null)
045        ));
046    }
047    
048    /** Creates a new instance of DeleteForumGroupDescriptionCommand */
049    public DeleteForumGroupDescriptionCommand(UserVisitPK userVisitPK, DeleteForumGroupDescriptionForm form) {
050        super(userVisitPK, form, null, FORM_FIELD_DEFINITIONS, false);
051    }
052    
053    @Override
054    protected BaseResult execute() {
055        var forumControl = Session.getModelController(ForumControl.class);
056        String forumGroupName = form.getForumGroupName();
057        ForumGroup forumGroup = forumControl.getForumGroupByName(forumGroupName);
058        
059        if(forumGroup != null) {
060            var partyControl = Session.getModelController(PartyControl.class);
061            String languageIsoName = form.getLanguageIsoName();
062            Language language = partyControl.getLanguageByIsoName(languageIsoName);
063            
064            if(language != null) {
065                ForumGroupDescription forumGroupDescription = forumControl.getForumGroupDescriptionForUpdate(forumGroup, language);
066                
067                if(forumGroupDescription != null) {
068                    forumControl.deleteForumGroupDescription(forumGroupDescription, getPartyPK());
069                } else {
070                    addExecutionError(ExecutionErrors.UnknownForumGroupDescription.name());
071                }
072            } else {
073                addExecutionError(ExecutionErrors.UnknownLanguageIsoName.name(), languageIsoName);
074            }
075        } else {
076            addExecutionError(ExecutionErrors.UnknownForumGroupName.name(), forumGroupName);
077        }
078        
079        return null;
080    }
081    
082}