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.GetForumForumThreadsForm;
020import com.echothree.control.user.forum.common.result.ForumResultFactory;
021import com.echothree.model.control.forum.server.control.ForumControl;
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 GetForumForumThreadsCommand
034        extends BaseSimpleCommand<GetForumForumThreadsForm> {
035    
036    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
037    
038    static {
039        FORM_FIELD_DEFINITIONS = List.of(
040                new FieldDefinition("ForumName", FieldType.ENTITY_NAME, false, null, null),
041                new FieldDefinition("ForumThreadName", FieldType.ENTITY_NAME, false, null, null)
042                );
043    }
044    
045    /** Creates a new instance of GetForumForumThreadsCommand */
046    public GetForumForumThreadsCommand() {
047        super(null, FORM_FIELD_DEFINITIONS, true);
048    }
049    
050    @Override
051    protected BaseResult execute() {
052        var forumControl = Session.getModelController(ForumControl.class);
053        var result = ForumResultFactory.getGetForumForumThreadsResult();
054        var forumName = form.getForumName();
055        var forumThreadName = form.getForumThreadName();
056        var parameterCount = (forumName != null? 1: 0) + (forumThreadName != null? 1: 0);
057        
058        if(parameterCount == 1) {
059            if(forumName != null) {
060                var forum = forumControl.getForumByName(forumName);
061                
062                if(forum != null) {
063                    result.setForum(forumControl.getForumTransfer(getUserVisit(), forum));
064                    result.setForumForumThreads(forumControl.getForumForumThreadTransfersByForum(getUserVisit(), forum));
065                } else {
066                    addExecutionError(ExecutionErrors.UnknownForumName.name(), forumName);
067                }
068            } else if(forumThreadName != null) {
069                var forumThread = forumControl.getForumThreadByName(forumThreadName);
070                
071                if(forumThread != null) {
072                    result.setForumThread(forumControl.getForumThreadTransfer(getUserVisit(), forumThread));
073                    result.setForumForumThreads(forumControl.getForumForumThreadTransfersByForumThread(getUserVisit(), forumThread));
074                } else {
075                    addExecutionError(ExecutionErrors.UnknownForumThreadName.name(), forumThreadName);
076                }
077            }
078        } else {
079            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
080        }
081        
082        return result;
083    }
084    
085}