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.forum.server.command;
018
019import com.echothree.control.user.forum.common.form.CreateForumMessageAttachmentDescriptionForm;
020import com.echothree.model.control.forum.server.control.ForumControl;
021import com.echothree.model.control.party.server.control.PartyControl;
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 com.echothree.util.server.persistence.Session;
029import java.util.List;
030import javax.enterprise.context.Dependent;
031
032@Dependent
033public class CreateForumMessageAttachmentDescriptionCommand
034        extends BaseSimpleCommand<CreateForumMessageAttachmentDescriptionForm> {
035    
036    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
037    
038    static {
039        FORM_FIELD_DEFINITIONS = List.of(
040                new FieldDefinition("ForumMessageName", FieldType.ENTITY_NAME, true, null, null),
041                new FieldDefinition("ForumMessageAttachmentSequence", FieldType.UNSIGNED_INTEGER, true, null, null),
042                new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, true, null, null),
043                new FieldDefinition("Description", FieldType.STRING, true, 1L, 132L)
044                );
045    }
046    
047    /** Creates a new instance of CreateForumMessageAttachmentDescriptionCommand */
048    public CreateForumMessageAttachmentDescriptionCommand() {
049        super(null, FORM_FIELD_DEFINITIONS, false);
050    }
051    
052    @Override
053    protected BaseResult execute() {
054        var forumControl = Session.getModelController(ForumControl.class);
055        var forumMessageName = form.getForumMessageName();
056        var forumMessage = forumControl.getForumMessageByNameForUpdate(forumMessageName);
057
058        if(forumMessage != null) {
059            var forumMessageAttachmentSequence = Integer.valueOf(form.getForumMessageAttachmentSequence());
060            var forumMessageAttachment = forumControl.getForumMessageAttachmentBySequence(forumMessage, forumMessageAttachmentSequence);
061
062            if(forumMessageAttachment != null) {
063                var partyControl = Session.getModelController(PartyControl.class);
064                var languageIsoName = form.getLanguageIsoName();
065                var language = partyControl.getLanguageByIsoName(languageIsoName);
066
067                if(language != null) {
068                    var forumMessageAttachmentDescription = forumControl.getForumMessageAttachmentDescription(forumMessageAttachment, language);
069
070                    if(forumMessageAttachmentDescription == null) {
071                        var description = form.getDescription();
072
073                        forumControl.createForumMessageAttachmentDescription(forumMessageAttachment, language, description, getPartyPK());
074                    } else {
075                        addExecutionError(ExecutionErrors.DuplicateForumMessageAttachmentDescription.name(), forumMessageName,
076                                forumMessageAttachmentSequence.toString(), languageIsoName);
077                    }
078                } else {
079                    addExecutionError(ExecutionErrors.UnknownLanguageIsoName.name(), languageIsoName);
080                }
081            } else {
082                addExecutionError(ExecutionErrors.UnknownForumMessageAttachment.name(), forumMessageName, forumMessageAttachmentSequence.toString());
083            }
084        } else {
085            addExecutionError(ExecutionErrors.UnknownForumMessageName.name(), forumMessageName);
086        }
087        
088        return null;
089    }
090    
091}