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.comment.server.command;
018
019import com.echothree.control.user.comment.common.form.GetCommentForm;
020import com.echothree.control.user.comment.common.result.CommentResultFactory;
021import com.echothree.model.control.comment.server.control.CommentControl;
022import com.echothree.model.control.core.common.EventTypes;
023import com.echothree.model.data.user.common.pk.UserVisitPK;
024import com.echothree.util.common.message.ExecutionErrors;
025import com.echothree.util.common.validation.FieldDefinition;
026import com.echothree.util.common.validation.FieldType;
027import com.echothree.util.common.command.BaseResult;
028import com.echothree.util.server.control.BaseSimpleCommand;
029import java.util.List;
030import javax.enterprise.context.Dependent;
031import javax.inject.Inject;
032
033@Dependent
034public class GetCommentCommand
035        extends BaseSimpleCommand<GetCommentForm> {
036    
037    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
038    
039    static {
040        FORM_FIELD_DEFINITIONS = List.of(
041                new FieldDefinition("CommentName", FieldType.ENTITY_NAME, true, null, null)
042        );
043    }
044
045    @Inject
046    CommentControl commentControl;
047
048    
049    /** Creates a new instance of GetCommentCommand */
050    public GetCommentCommand() {
051        super(null, FORM_FIELD_DEFINITIONS, true);
052    }
053    
054    @Override
055    protected BaseResult execute() {
056        var result = CommentResultFactory.getGetCommentResult();
057        var commentName = form.getCommentName();
058        var comment = commentControl.getCommentByName(commentName);
059
060        if(comment != null) {
061            result.setComment(commentControl.getCommentTransfer(getUserVisit(), comment));
062
063            sendEvent(comment.getPrimaryKey(), EventTypes.READ, null, null, getPartyPK());
064        } else {
065            addExecutionError(ExecutionErrors.UnknownCommentName.name(), commentName);
066        }
067
068        return result;
069    }
070    
071}