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.chain.server.command;
018
019import com.echothree.control.user.chain.common.form.GetChainsForm;
020import com.echothree.control.user.chain.common.result.ChainResultFactory;
021import com.echothree.model.control.chain.server.control.ChainControl;
022import com.echothree.model.control.party.common.PartyTypes;
023import com.echothree.model.control.security.common.SecurityRoleGroups;
024import com.echothree.model.control.security.common.SecurityRoles;
025import com.echothree.model.data.user.common.pk.UserVisitPK;
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.common.command.BaseResult;
030import com.echothree.util.server.control.BaseSimpleCommand;
031import com.echothree.util.server.control.CommandSecurityDefinition;
032import com.echothree.util.server.control.PartyTypeDefinition;
033import com.echothree.util.server.control.SecurityRoleDefinition;
034import com.echothree.util.server.persistence.Session;
035import java.util.List;
036import javax.enterprise.context.Dependent;
037
038@Dependent
039public class GetChainsCommand
040        extends BaseSimpleCommand<GetChainsForm> {
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.Chain.name(), SecurityRoles.List.name())
050                    ))
051                ));
052
053        FORM_FIELD_DEFINITIONS = List.of(
054            new FieldDefinition("ChainKindName", FieldType.ENTITY_NAME, true, null, null),
055            new FieldDefinition("ChainTypeName", FieldType.ENTITY_NAME, true, null, null)
056                );
057    }
058    
059    /** Creates a new instance of GetChainsCommand */
060    public GetChainsCommand() {
061        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, true);
062    }
063    
064    @Override
065    protected BaseResult execute() {
066        var chainControl = Session.getModelController(ChainControl.class);
067        var result = ChainResultFactory.getGetChainsResult();
068        var chainKindName = form.getChainKindName();
069        var chainKind = chainControl.getChainKindByName(chainKindName);
070        
071        if(chainKind != null) {
072            var chainTypeName = form.getChainTypeName();
073            var chainType = chainControl.getChainTypeByName(chainKind, chainTypeName);
074
075            if(chainType != null) {
076                result.setChainType(chainControl.getChainTypeTransfer(getUserVisit(), chainType));
077                result.setChains(chainControl.getChainTransfersByChainType(getUserVisit(), chainType));
078            } else {
079                addExecutionError(ExecutionErrors.UnknownChainTypeName.name(), chainKindName, chainTypeName);
080            }
081        } else {
082            addExecutionError(ExecutionErrors.UnknownChainKindName.name(), chainKindName);
083        }
084        
085        return result;
086    }
087    
088}