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.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.Arrays;
030import java.util.Collections;
031import java.util.List;
032import javax.enterprise.context.RequestScoped;
033
034@RequestScoped
035public class GetForumForumThreadsCommand
036        extends BaseSimpleCommand<GetForumForumThreadsForm> {
037    
038    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
039    
040    static {
041        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
042                new FieldDefinition("ForumName", FieldType.ENTITY_NAME, false, null, null),
043                new FieldDefinition("ForumThreadName", FieldType.ENTITY_NAME, false, null, null)
044                ));
045    }
046    
047    /** Creates a new instance of GetForumForumThreadsCommand */
048    public GetForumForumThreadsCommand() {
049        super(null, FORM_FIELD_DEFINITIONS, true);
050    }
051    
052    @Override
053    protected BaseResult execute() {
054        var forumControl = Session.getModelController(ForumControl.class);
055        var result = ForumResultFactory.getGetForumForumThreadsResult();
056        var forumName = form.getForumName();
057        var forumThreadName = form.getForumThreadName();
058        var parameterCount = (forumName != null? 1: 0) + (forumThreadName != null? 1: 0);
059        
060        if(parameterCount == 1) {
061            if(forumName != null) {
062                var forum = forumControl.getForumByName(forumName);
063                
064                if(forum != null) {
065                    result.setForum(forumControl.getForumTransfer(getUserVisit(), forum));
066                    result.setForumForumThreads(forumControl.getForumForumThreadTransfersByForum(getUserVisit(), forum));
067                } else {
068                    addExecutionError(ExecutionErrors.UnknownForumName.name(), forumName);
069                }
070            } else if(forumThreadName != null) {
071                var forumThread = forumControl.getForumThreadByName(forumThreadName);
072                
073                if(forumThread != null) {
074                    result.setForumThread(forumControl.getForumThreadTransfer(getUserVisit(), forumThread));
075                    result.setForumForumThreads(forumControl.getForumForumThreadTransfersByForumThread(getUserVisit(), forumThread));
076                } else {
077                    addExecutionError(ExecutionErrors.UnknownForumThreadName.name(), forumThreadName);
078                }
079            }
080        } else {
081            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
082        }
083        
084        return result;
085    }
086    
087}