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.letter.server.command;
018
019import com.echothree.control.user.letter.common.form.GetLettersForm;
020import com.echothree.control.user.letter.common.result.GetLettersResult;
021import com.echothree.control.user.letter.common.result.LetterResultFactory;
022import com.echothree.model.control.chain.server.control.ChainControl;
023import com.echothree.model.control.letter.server.control.LetterControl;
024import com.echothree.model.control.party.common.PartyTypes;
025import com.echothree.model.control.security.common.SecurityRoleGroups;
026import com.echothree.model.control.security.common.SecurityRoles;
027import com.echothree.model.data.chain.server.entity.ChainKind;
028import com.echothree.model.data.chain.server.entity.ChainType;
029import com.echothree.model.data.user.common.pk.UserVisitPK;
030import com.echothree.model.data.user.server.entity.UserVisit;
031import com.echothree.util.common.message.ExecutionErrors;
032import com.echothree.util.common.validation.FieldDefinition;
033import com.echothree.util.common.validation.FieldType;
034import com.echothree.util.common.command.BaseResult;
035import com.echothree.util.server.control.BaseSimpleCommand;
036import com.echothree.util.server.control.CommandSecurityDefinition;
037import com.echothree.util.server.control.PartyTypeDefinition;
038import com.echothree.util.server.control.SecurityRoleDefinition;
039import com.echothree.util.server.persistence.Session;
040import java.util.Arrays;
041import java.util.Collections;
042import java.util.List;
043
044public class GetLettersCommand
045        extends BaseSimpleCommand<GetLettersForm> {
046    
047    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
048    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
049    
050    static {
051        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(Collections.unmodifiableList(Arrays.asList(
052                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
053                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), Collections.unmodifiableList(Arrays.asList(
054                    new SecurityRoleDefinition(SecurityRoleGroups.Letter.name(), SecurityRoles.List.name())
055                    )))
056                )));
057        
058        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
059                new FieldDefinition("ChainKindName", FieldType.ENTITY_NAME, true, null, null),
060                new FieldDefinition("ChainTypeName", FieldType.ENTITY_NAME, true, null, null)
061                ));
062    }
063    
064    /** Creates a new instance of GetLettersCommand */
065    public GetLettersCommand(UserVisitPK userVisitPK, GetLettersForm form) {
066        super(userVisitPK, form, COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, true);
067    }
068    
069    @Override
070    protected BaseResult execute() {
071        var chainControl = Session.getModelController(ChainControl.class);
072        GetLettersResult result = LetterResultFactory.getGetLettersResult();
073        String chainKindName = form.getChainKindName();
074        ChainKind chainKind = chainControl.getChainKindByName(chainKindName);
075        
076        if(chainKind != null) {
077            String chainTypeName = form.getChainTypeName();
078            ChainType chainType = chainControl.getChainTypeByName(chainKind, chainTypeName);
079            
080            if(chainType != null) {
081                var letterControl = Session.getModelController(LetterControl.class);
082                UserVisit userVisit = getUserVisit();
083                
084                result.setChainType(chainControl.getChainTypeTransfer(userVisit, chainType));
085                result.setLetters(letterControl.getLetterTransfersByChainType(userVisit, chainType));
086            } else {
087                addExecutionError(ExecutionErrors.UnknownChainTypeName.name(), chainTypeName);
088            }
089        } else {
090            addExecutionError(ExecutionErrors.UnknownChainKindName.name(), chainKindName);
091        }
092        
093        return result;
094    }
095    
096}