001// --------------------------------------------------------------------------------
002// Copyright 2002-2025 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.user.common.pk.UserVisitPK;
022import com.echothree.util.common.message.ExecutionErrors;
023import com.echothree.util.common.validation.FieldDefinition;
024import com.echothree.util.common.validation.FieldType;
025import com.echothree.util.common.command.BaseResult;
026import com.echothree.util.server.control.BaseSimpleCommand;
027import com.echothree.util.server.persistence.Session;
028import java.util.Arrays;
029import java.util.Collections;
030import java.util.List;
031import javax.enterprise.context.RequestScoped;
032
033@RequestScoped
034public class DeleteSelectorNodeCommand
035        extends BaseSimpleCommand<DeleteSelectorNodeForm> {
036    
037    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
038    
039    static {
040        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
041            new FieldDefinition("SelectorKindName", FieldType.ENTITY_NAME, true, null, null),
042            new FieldDefinition("SelectorTypeName", FieldType.ENTITY_NAME, true, null, null),
043            new FieldDefinition("SelectorName", FieldType.ENTITY_NAME, true, null, null),
044            new FieldDefinition("SelectorNodeName", FieldType.ENTITY_NAME, true, null, null)
045        ));
046    }
047    
048    /** Creates a new instance of DeleteSelectorNodeCommand */
049    public DeleteSelectorNodeCommand() {
050        super(null, FORM_FIELD_DEFINITIONS, false);
051    }
052    
053    @Override
054    protected BaseResult execute() {
055        var selectorControl = Session.getModelController(SelectorControl.class);
056        var selectorKindName = form.getSelectorKindName();
057        var selectorKind = selectorControl.getSelectorKindByName(selectorKindName);
058        
059        if(selectorKind != null) {
060            var selectorTypeName = form.getSelectorTypeName();
061            var selectorType = selectorControl.getSelectorTypeByName(selectorKind, selectorTypeName);
062            
063            if(selectorType != null) {
064                var selectorName = form.getSelectorName();
065                var selector = selectorControl.getSelectorByName(selectorType, selectorName);
066                
067                if(selector != null) {
068                    var selectorNodeName = form.getSelectorNodeName();
069                    var selectorNode = selectorControl.getSelectorNodeByNameForUpdate(selector, selectorNodeName);
070                    
071                    if(selectorNode != null) {
072                        selectorControl.deleteSelectorNode(selectorNode, getPartyPK());
073                    } else {
074                        addExecutionError(ExecutionErrors.UnknownSelectorNodeName.name(), selectorNodeName);
075                    }
076                } else {
077                    addExecutionError(ExecutionErrors.UnknownSelectorName.name(), selectorName);
078                }
079            } else {
080                addExecutionError(ExecutionErrors.UnknownSelectorTypeName.name(), selectorTypeName);
081            }
082        } else {
083            addExecutionError(ExecutionErrors.UnknownSelectorKindName.name(), selectorKindName);
084        }
085        
086        return null;
087    }
088    
089}