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.DeleteLinkForm;
020import com.echothree.model.control.core.server.logic.LinkLogic;
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.util.common.command.BaseResult;
025import com.echothree.util.common.validation.FieldDefinition;
026import com.echothree.util.common.validation.FieldType;
027import com.echothree.util.server.control.BaseSimpleCommand;
028import com.echothree.util.server.control.CommandSecurityDefinition;
029import com.echothree.util.server.control.PartyTypeDefinition;
030import com.echothree.util.server.control.SecurityRoleDefinition;
031import java.util.List;
032import javax.enterprise.context.Dependent;
033import javax.inject.Inject;
034
035@Dependent
036public class DeleteLinkCommand
037        extends BaseSimpleCommand<DeleteLinkForm> {
038
039    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
040    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
041
042    static {
043        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
044                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
045                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
046                        new SecurityRoleDefinition(SecurityRoleGroups.Link.name(), SecurityRoles.Delete.name())
047                ))
048        ));
049
050        FORM_FIELD_DEFINITIONS = List.of(
051                new FieldDefinition("LinkTypeName", FieldType.ENTITY_NAME, true, null, null),
052                new FieldDefinition("SourceEntityRef", FieldType.ENTITY_REF, false, null, null),
053                new FieldDefinition("SourceUuid", FieldType.UUID, false, null, null),
054                new FieldDefinition("TargetEntityRef", FieldType.ENTITY_REF, false, null, null),
055                new FieldDefinition("TargetUuid", FieldType.UUID, false, null, null)
056        );
057    }
058
059    @Inject
060    LinkLogic linkLogic;
061
062    /** Creates a new instance of DeleteLinkCommand */
063    public DeleteLinkCommand() {
064        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
065    }
066
067    @Override
068    protected BaseResult execute() {
069        var definition = linkLogic.getDefinition(this, form, false);
070
071        if(!hasExecutionErrors()) {
072            linkLogic.deleteLink(this, definition.linkType(), definition.sourceEntityInstance(), definition.targetEntityInstance(), getPartyPK());
073        }
074
075        return null;
076    }
077
078}