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.core.server.command;
018
019import com.echothree.control.user.core.common.form.GetServerForm;
020import com.echothree.control.user.core.common.result.CoreResultFactory;
021import com.echothree.model.control.core.common.EventTypes;
022import com.echothree.model.control.core.server.control.ServerControl;
023import com.echothree.model.control.party.common.PartyTypes;
024import com.echothree.model.control.security.common.SecurityRoleGroups;
025import com.echothree.model.control.security.common.SecurityRoles;
026import com.echothree.model.data.user.common.pk.UserVisitPK;
027import com.echothree.util.common.command.BaseResult;
028import com.echothree.util.common.message.ExecutionErrors;
029import com.echothree.util.common.validation.FieldDefinition;
030import com.echothree.util.common.validation.FieldType;
031import com.echothree.util.server.control.BaseSimpleCommand;
032import com.echothree.util.server.control.CommandSecurityDefinition;
033import com.echothree.util.server.control.PartyTypeDefinition;
034import com.echothree.util.server.control.SecurityRoleDefinition;
035import com.echothree.util.server.persistence.Session;
036import java.util.List;
037import javax.enterprise.context.Dependent;
038
039@Dependent
040public class GetServerCommand
041        extends BaseSimpleCommand<GetServerForm> {
042    
043    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
044    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
045    
046    static {
047        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
048                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
049                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
050                        new SecurityRoleDefinition(SecurityRoleGroups.Server.name(), SecurityRoles.Review.name())
051                        ))
052                ));
053        
054        FORM_FIELD_DEFINITIONS = List.of(
055            new FieldDefinition("ServerName", FieldType.HOST_NAME, true, null, null)
056        );
057    }
058    
059    /** Creates a new instance of GetServerCommand */
060    public GetServerCommand() {
061        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, true);
062    }
063    
064    @Override
065    protected BaseResult execute() {
066        var serverControl = Session.getModelController(ServerControl.class);
067        var result = CoreResultFactory.getGetServerResult();
068        var serverName = form.getServerName();
069        var server = serverControl.getServerByName(serverName);
070        
071        if(server != null) {
072            result.setServer(serverControl.getServerTransfer(getUserVisit(), server));
073            
074            sendEvent(server.getPrimaryKey(), EventTypes.READ, null, null, getPartyPK());
075        } else {
076            addExecutionError(ExecutionErrors.UnknownServerName.name(), serverName);
077        }
078        
079        return result;
080    }
081    
082}