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.selector.server.command;
018
019import com.echothree.control.user.selector.common.form.DeleteSelectorNodeForm;
020import com.echothree.model.control.selector.server.control.SelectorControl;
021import com.echothree.model.data.selector.server.entity.Selector;
022import com.echothree.model.data.selector.server.entity.SelectorKind;
023import com.echothree.model.data.selector.server.entity.SelectorNode;
024import com.echothree.model.data.selector.server.entity.SelectorType;
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.persistence.Session;
032import java.util.Arrays;
033import java.util.Collections;
034import java.util.List;
035
036public class DeleteSelectorNodeCommand
037        extends BaseSimpleCommand<DeleteSelectorNodeForm> {
038    
039    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
040    
041    static {
042        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
043            new FieldDefinition("SelectorKindName", FieldType.ENTITY_NAME, true, null, null),
044            new FieldDefinition("SelectorTypeName", FieldType.ENTITY_NAME, true, null, null),
045            new FieldDefinition("SelectorName", FieldType.ENTITY_NAME, true, null, null),
046            new FieldDefinition("SelectorNodeName", FieldType.ENTITY_NAME, true, null, null)
047        ));
048    }
049    
050    /** Creates a new instance of DeleteSelectorNodeCommand */
051    public DeleteSelectorNodeCommand(UserVisitPK userVisitPK, DeleteSelectorNodeForm form) {
052        super(userVisitPK, form, null, FORM_FIELD_DEFINITIONS, false);
053    }
054    
055    @Override
056    protected BaseResult execute() {
057        var selectorControl = Session.getModelController(SelectorControl.class);
058        String selectorKindName = form.getSelectorKindName();
059        SelectorKind selectorKind = selectorControl.getSelectorKindByName(selectorKindName);
060        
061        if(selectorKind != null) {
062            String selectorTypeName = form.getSelectorTypeName();
063            SelectorType selectorType = selectorControl.getSelectorTypeByName(selectorKind, selectorTypeName);
064            
065            if(selectorType != null) {
066                String selectorName = form.getSelectorName();
067                Selector selector = selectorControl.getSelectorByName(selectorType, selectorName);
068                
069                if(selector != null) {
070                    String selectorNodeName = form.getSelectorNodeName();
071                    SelectorNode selectorNode = selectorControl.getSelectorNodeByNameForUpdate(selector, selectorNodeName);
072                    
073                    if(selectorNode != null) {
074                        selectorControl.deleteSelectorNode(selectorNode, getPartyPK());
075                    } else {
076                        addExecutionError(ExecutionErrors.UnknownSelectorNodeName.name(), selectorNodeName);
077                    }
078                } else {
079                    addExecutionError(ExecutionErrors.UnknownSelectorName.name(), selectorName);
080                }
081            } else {
082                addExecutionError(ExecutionErrors.UnknownSelectorTypeName.name(), selectorTypeName);
083            }
084        } else {
085            addExecutionError(ExecutionErrors.UnknownSelectorKindName.name(), selectorKindName);
086        }
087        
088        return null;
089    }
090    
091}