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.offer.server.command;
018
019import com.echothree.control.user.offer.common.form.DeleteSourceForm;
020import com.echothree.model.control.offer.server.control.SourceControl;
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.data.user.common.pk.UserVisitPK;
025import com.echothree.util.common.command.BaseResult;
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.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 DeleteSourceCommand
039        extends BaseSimpleCommand<DeleteSourceForm> {
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.Source.name(), SecurityRoles.Delete.name())
049                ))
050        ));
051        
052        FORM_FIELD_DEFINITIONS = List.of(
053                new FieldDefinition("SourceName", FieldType.ENTITY_NAME, true, null, null)
054        );
055    }
056
057    @Inject
058    SourceControl sourceControl;
059
060    /** Creates a new instance of DeleteSourceCommand */
061    public DeleteSourceCommand() {
062        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
063    }
064
065    @Override
066    protected BaseResult execute() {
067        var sourceName = form.getSourceName();
068        var source = sourceControl.getSourceByNameForUpdate(sourceName);
069
070        if(source != null) {
071            var offerUse = source.getLastDetail().getOfferUse();
072
073            if(sourceControl.countSourcesByOfferUse(offerUse) > 1) {
074                sourceControl.deleteSource(source, getPartyPK());
075            } else {
076                var offerUseDetail = offerUse.getLastDetail();
077                
078                addExecutionError(ExecutionErrors.CannotDeleteLastSource.name(), offerUseDetail.getOffer().getLastDetail().getOfferName(),
079                        offerUseDetail.getUse().getLastDetail().getUseName(), sourceName);
080            }
081        } else {
082            addExecutionError(ExecutionErrors.UnknownSourceName.name(), sourceName);
083        }
084
085        return null;
086    }
087
088}