001
002// --------------------------------------------------------------------------------
003// Copyright 2002-2026 Echo Three, LLC
004//
005// Licensed under the Apache License, Version 2.0 (the "License");
006// you may not use this file except in compliance with the License.
007// You may obtain a copy of the License at
008//
009//     http://www.apache.org/licenses/LICENSE-2.0
010//
011// Unless required by applicable law or agreed to in writing, software
012// distributed under the License is distributed on an "AS IS" BASIS,
013// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014// See the License for the specific language governing permissions and
015// limitations under the License.
016// --------------------------------------------------------------------------------
017
018package com.echothree.control.user.sequence.server.command;
019
020import com.echothree.control.user.sequence.common.form.DeleteSequenceForm;
021import com.echothree.model.control.party.common.PartyTypes;
022import com.echothree.model.control.security.common.SecurityRoleGroups;
023import com.echothree.model.control.security.common.SecurityRoles;
024import com.echothree.model.control.sequence.server.control.SequenceControl;
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.control.CommandSecurityDefinition;
032import com.echothree.util.server.control.PartyTypeDefinition;
033import com.echothree.util.server.control.SecurityRoleDefinition;
034import com.echothree.util.server.persistence.Session;
035import java.util.List;
036import javax.enterprise.context.Dependent;
037
038@Dependent
039public class DeleteSequenceCommand
040        extends BaseSimpleCommand<DeleteSequenceForm> {
041    
042    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
043    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
044    
045    static {
046        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
047                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
048                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
049                    new SecurityRoleDefinition(SecurityRoleGroups.Sequence.name(), SecurityRoles.Delete.name())
050                    ))
051                ));
052
053        FORM_FIELD_DEFINITIONS = List.of(
054                new FieldDefinition("SequenceTypeName", FieldType.ENTITY_NAME, true, null, null),
055                new FieldDefinition("SequenceName", FieldType.ENTITY_NAME, true, null, null)
056                );
057    }
058    
059    /** Creates a new instance of DeleteSequenceCommand */
060    public DeleteSequenceCommand() {
061        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
062    }
063    
064    @Override
065    protected BaseResult execute() {
066        var sequenceControl = Session.getModelController(SequenceControl.class);
067        var sequenceTypeName = form.getSequenceTypeName();
068        var sequenceType = sequenceControl.getSequenceTypeByName(sequenceTypeName);
069        
070        if(sequenceType != null) {
071            var sequenceName = form.getSequenceName();
072            var sequence = sequenceControl.getSequenceByNameForUpdate(sequenceType, sequenceName);
073            
074            if(sequence != null) {
075                sequenceControl.deleteSequence(sequence, getPartyPK());
076            } else {
077                addExecutionError(ExecutionErrors.UnknownSequenceName.name(), sequenceName);
078            }
079        } else {
080            addExecutionError(ExecutionErrors.UnknownSequenceTypeName.name(), sequenceTypeName);
081        }
082        
083        return null;
084    }
085    
086}