001// --------------------------------------------------------------------------------
002// Copyright 2002-2024 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.offer.server.entity.OfferUse;
025import com.echothree.model.data.offer.server.entity.OfferUseDetail;
026import com.echothree.model.data.offer.server.entity.Source;
027import com.echothree.model.data.user.common.pk.UserVisitPK;
028import com.echothree.util.common.command.BaseResult;
029import com.echothree.util.common.message.ExecutionErrors;
030import com.echothree.util.common.validation.FieldDefinition;
031import com.echothree.util.common.validation.FieldType;
032import com.echothree.util.server.control.BaseSimpleCommand;
033import com.echothree.util.server.control.CommandSecurityDefinition;
034import com.echothree.util.server.control.PartyTypeDefinition;
035import com.echothree.util.server.control.SecurityRoleDefinition;
036import com.echothree.util.server.persistence.Session;
037import java.util.List;
038
039public class DeleteSourceCommand
040        extends BaseSimpleCommand<DeleteSourceForm> {
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.Source.name(), SecurityRoles.Delete.name())
050                ))
051        ));
052        
053        FORM_FIELD_DEFINITIONS = List.of(
054                new FieldDefinition("SourceName", FieldType.ENTITY_NAME, true, null, null)
055        );
056    }
057
058    /** Creates a new instance of DeleteSourceCommand */
059    public DeleteSourceCommand(UserVisitPK userVisitPK, DeleteSourceForm form) {
060        super(userVisitPK, form, COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
061    }
062
063    @Override
064    protected BaseResult execute() {
065        var sourceControl = Session.getModelController(SourceControl.class);
066        String sourceName = form.getSourceName();
067        Source source = sourceControl.getSourceByNameForUpdate(sourceName);
068
069        if(source != null) {
070            OfferUse offerUse = source.getLastDetail().getOfferUse();
071
072            if(sourceControl.countSourcesByOfferUse(offerUse) > 1) {
073                sourceControl.deleteSource(source, getPartyPK());
074            } else {
075                OfferUseDetail offerUseDetail = offerUse.getLastDetail();
076                
077                addExecutionError(ExecutionErrors.CannotDeleteLastSource.name(), offerUseDetail.getOffer().getLastDetail().getOfferName(),
078                        offerUseDetail.getUse().getLastDetail().getUseName(), sourceName);
079            }
080        } else {
081            addExecutionError(ExecutionErrors.UnknownSourceName.name(), sourceName);
082        }
083
084        return null;
085    }
086
087}