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.carrier.server.command;
018
019import com.echothree.control.user.carrier.common.form.GetCarrierForm;
020import com.echothree.control.user.carrier.common.result.CarrierResultFactory;
021import com.echothree.model.control.carrier.server.control.CarrierControl;
022import com.echothree.model.control.core.common.EventTypes;
023import com.echothree.model.control.party.common.PartyTypes;
024import com.echothree.model.control.party.server.control.PartyControl;
025import com.echothree.model.control.security.common.SecurityRoleGroups;
026import com.echothree.model.control.security.common.SecurityRoles;
027import com.echothree.model.data.carrier.server.entity.Carrier;
028import com.echothree.model.data.user.common.pk.UserVisitPK;
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.common.command.BaseResult;
033import com.echothree.util.server.control.BaseSimpleCommand;
034import com.echothree.util.server.control.CommandSecurityDefinition;
035import com.echothree.util.server.control.PartyTypeDefinition;
036import com.echothree.util.server.control.SecurityRoleDefinition;
037import com.echothree.util.server.persistence.Session;
038import java.util.List;
039import javax.enterprise.context.Dependent;
040
041@Dependent
042public class GetCarrierCommand
043        extends BaseSimpleCommand<GetCarrierForm> {
044    
045    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
046    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
047    
048    static {
049        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
050                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
051                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
052                        new SecurityRoleDefinition(SecurityRoleGroups.Carrier.name(), SecurityRoles.Review.name())
053                        ))
054                ));
055
056        FORM_FIELD_DEFINITIONS = List.of(
057                new FieldDefinition("CarrierName", FieldType.ENTITY_NAME, false, null, null),
058                new FieldDefinition("PartyName", FieldType.ENTITY_NAME, false, null, null)
059                );
060    }
061    
062    /** Creates a new instance of GetCarrierCommand */
063    public GetCarrierCommand() {
064        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, true);
065    }
066    
067    @Override
068    protected BaseResult execute() {
069        var result = CarrierResultFactory.getGetCarrierResult();
070        var carrierName = form.getCarrierName();
071        var partyName = form.getPartyName();
072        var parameterCount = (carrierName == null ? 0 : 1) + (partyName == null ? 0 : 1);
073        
074        if(parameterCount == 1) {
075            var carrierControl = Session.getModelController(CarrierControl.class);
076            Carrier carrier = null;
077            
078            if(carrierName != null) {
079                carrier = carrierControl.getCarrierByName(carrierName);
080                
081                if(carrier == null) {
082                    addExecutionError(ExecutionErrors.UnknownCarrierName.name(), carrierName);
083                }
084            } else {
085                var partyControl = Session.getModelController(PartyControl.class);
086                var party = partyControl.getPartyByName(partyName);
087                
088                if(party != null) {
089                    var partyType = partyControl.getPartyTypeByName(PartyTypes.CARRIER.name());
090                    
091                    if(party.getLastDetail().getPartyType().equals(partyType)) {
092                        carrier = carrierControl.getCarrier(party);
093                    } else {
094                        addExecutionError(ExecutionErrors.InvalidPartyType.name());
095                    }
096                } else {
097                    addExecutionError(ExecutionErrors.UnknownPartyName.name(), partyName);
098                }
099            }
100            
101            if(!hasExecutionErrors()) {
102                result.setCarrier(carrierControl.getCarrierTransfer(getUserVisit(), carrier));
103                
104                sendEvent(carrier.getPartyPK(), EventTypes.READ, null, null, getPartyPK());
105            }
106        } else {
107            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
108        }
109        
110        return result;
111    }
112    
113}