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.GetForumForumThreadsForm;
020import com.echothree.control.user.forum.common.result.ForumResultFactory;
021import com.echothree.control.user.forum.common.result.GetForumForumThreadsResult;
022import com.echothree.model.control.forum.server.control.ForumControl;
023import com.echothree.model.data.forum.server.entity.Forum;
024import com.echothree.model.data.forum.server.entity.ForumThread;
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 GetForumForumThreadsCommand
037        extends BaseSimpleCommand<GetForumForumThreadsForm> {
038    
039    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
040    
041    static {
042        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
043                new FieldDefinition("ForumName", FieldType.ENTITY_NAME, false, null, null),
044                new FieldDefinition("ForumThreadName", FieldType.ENTITY_NAME, false, null, null)
045                ));
046    }
047    
048    /** Creates a new instance of GetForumForumThreadsCommand */
049    public GetForumForumThreadsCommand(UserVisitPK userVisitPK, GetForumForumThreadsForm form) {
050        super(userVisitPK, form, null, FORM_FIELD_DEFINITIONS, true);
051    }
052    
053    @Override
054    protected BaseResult execute() {
055        var forumControl = Session.getModelController(ForumControl.class);
056        GetForumForumThreadsResult result = ForumResultFactory.getGetForumForumThreadsResult();
057        String forumName = form.getForumName();
058        String forumThreadName = form.getForumThreadName();
059        var parameterCount = (forumName != null? 1: 0) + (forumThreadName != null? 1: 0);
060        
061        if(parameterCount == 1) {
062            if(forumName != null) {
063                Forum forum = forumControl.getForumByName(forumName);
064                
065                if(forum != null) {
066                    result.setForum(forumControl.getForumTransfer(getUserVisit(), forum));
067                    result.setForumForumThreads(forumControl.getForumForumThreadTransfersByForum(getUserVisit(), forum));
068                } else {
069                    addExecutionError(ExecutionErrors.UnknownForumName.name(), forumName);
070                }
071            } else if(forumThreadName != null) {
072                ForumThread forumThread = forumControl.getForumThreadByName(forumThreadName);
073                
074                if(forumThread != null) {
075                    result.setForumThread(forumControl.getForumThreadTransfer(getUserVisit(), forumThread));
076                    result.setForumForumThreads(forumControl.getForumForumThreadTransfersByForumThread(getUserVisit(), forumThread));
077                } else {
078                    addExecutionError(ExecutionErrors.UnknownForumThreadName.name(), forumThreadName);
079                }
080            }
081        } else {
082            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
083        }
084        
085        return result;
086    }
087    
088}