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.CreateLinkForm;
020import com.echothree.control.user.core.common.result.CoreResultFactory;
021import com.echothree.model.control.core.server.control.LinkControl;
022import com.echothree.model.control.core.server.logic.LinkLogic;
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.util.common.command.BaseResult;
027import com.echothree.util.common.validation.FieldDefinition;
028import com.echothree.util.common.validation.FieldType;
029import com.echothree.util.server.control.BaseSimpleCommand;
030import com.echothree.util.server.control.CommandSecurityDefinition;
031import com.echothree.util.server.control.PartyTypeDefinition;
032import com.echothree.util.server.control.SecurityRoleDefinition;
033import java.util.List;
034import javax.enterprise.context.Dependent;
035import javax.inject.Inject;
036
037@Dependent
038public class CreateLinkCommand
039        extends BaseSimpleCommand<CreateLinkForm> {
040
041    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
042    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
043
044    static {
045        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
046                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
047                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
048                        new SecurityRoleDefinition(SecurityRoleGroups.Link.name(), SecurityRoles.Create.name())
049                ))
050        ));
051
052        FORM_FIELD_DEFINITIONS = List.of(
053                new FieldDefinition("LinkTypeName", FieldType.ENTITY_NAME, true, null, null),
054                new FieldDefinition("SourceEntityRef", FieldType.ENTITY_REF, false, null, null),
055                new FieldDefinition("SourceUuid", FieldType.UUID, false, null, null),
056                new FieldDefinition("TargetEntityRef", FieldType.ENTITY_REF, false, null, null),
057                new FieldDefinition("TargetUuid", FieldType.UUID, false, null, null)
058        );
059    }
060
061    @Inject
062    LinkControl linkControl;
063
064    @Inject
065    LinkLogic linkLogic;
066
067    /** Creates a new instance of CreateLinkCommand */
068    public CreateLinkCommand() {
069        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
070    }
071
072    @Override
073    protected BaseResult execute() {
074        var result = CoreResultFactory.getCreateLinkResult();
075        var definition = linkLogic.getDefinition(this, form, false);
076
077        if(!hasExecutionErrors()) {
078            var link = linkLogic.createLink(this, definition.linkType(), definition.sourceEntityInstance(), definition.targetEntityInstance(), getPartyPK());
079
080            if(link != null) {
081                result.setLink(linkControl.getLinkTransfer(getUserVisit(), link));
082            }
083        }
084
085        return result;
086    }
087
088}