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.item.server.command;
018
019import com.echothree.control.user.item.common.form.CreateItemAliasForm;
020import com.echothree.model.control.item.server.control.ItemControl;
021import com.echothree.model.control.item.server.logic.ItemAliasChecksumTypeLogic;
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.control.uom.server.control.UomControl;
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 java.util.regex.Pattern;
037import javax.enterprise.context.Dependent;
038
039@Dependent
040public class CreateItemAliasCommand
041        extends BaseSimpleCommand<CreateItemAliasForm> {
042
043    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
044    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
045    
046    static {
047        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
048                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
049                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
050                        new SecurityRoleDefinition(SecurityRoleGroups.ItemAlias.name(), SecurityRoles.Create.name())
051                ))
052        ));
053
054        FORM_FIELD_DEFINITIONS = List.of(
055                new FieldDefinition("ItemName", FieldType.ENTITY_NAME, true, null, null),
056                new FieldDefinition("UnitOfMeasureTypeName", FieldType.ENTITY_NAME, true, null, null),
057                new FieldDefinition("ItemAliasTypeName", FieldType.ENTITY_NAME, true, null, null),
058                new FieldDefinition("Alias", FieldType.ENTITY_NAME, true, null, null)
059                );
060    }
061    
062    /** Creates a new instance of CreateItemAliasCommand */
063    public CreateItemAliasCommand() {
064        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
065    }
066    
067    @Override
068    protected BaseResult execute() {
069        var itemControl = Session.getModelController(ItemControl.class);
070        var itemName = form.getItemName();
071        var item = itemControl.getItemByName(itemName);
072        
073        if(item != null) {
074            var uomControl = Session.getModelController(UomControl.class);
075            var unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
076            var itemDetail = item.getLastDetail();
077            var unitOfMeasureKind = itemDetail.getUnitOfMeasureKind();
078            var unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(unitOfMeasureKind, unitOfMeasureTypeName);
079            
080            if(unitOfMeasureType != null) {
081                var itemUnitOfMeasureType = itemControl.getItemUnitOfMeasureType(item, unitOfMeasureType);
082                
083                if(itemUnitOfMeasureType != null) {
084                    var itemAliasTypeName = form.getItemAliasTypeName();
085                    var itemAliasType = itemControl.getItemAliasTypeByName(itemAliasTypeName);
086                    
087                    if(itemAliasType != null) {
088                        var itemAliasTypeDetail = itemAliasType.getLastDetail();
089                        var validationPattern = itemAliasTypeDetail.getValidationPattern();
090                        var alias = form.getAlias();
091                        
092                        if(validationPattern != null) {
093                            var pattern = Pattern.compile(validationPattern);
094                            var m = pattern.matcher(alias);
095                            
096                            if(!m.matches()) {
097                                addExecutionError(ExecutionErrors.InvalidAlias.name(), alias);
098                            }
099                        }
100                        
101                        if(!hasExecutionErrors()) {
102                            ItemAliasChecksumTypeLogic.getInstance().checkItemAliasChecksum(this, itemAliasType, alias);
103
104                            if(!hasExecutionErrors()) {
105                                if(!itemAliasTypeDetail.getAllowMultiple()) {
106                                    if(itemControl.countItemAliases(item, unitOfMeasureType, itemAliasType) != 0) {
107                                        addExecutionError(ExecutionErrors.MultipleItemAliasesNotAllowed.name(), itemName, unitOfMeasureTypeName, itemAliasTypeName);
108                                    }
109                                }
110
111                                if(!hasExecutionErrors()) {
112                                    var duplicateItem = itemControl.getItemByName(alias);
113
114                                    if(duplicateItem == null) {
115                                        var itemAlias = itemControl.getItemAliasByAlias(alias);
116
117                                        if(itemAlias == null) {
118                                            itemControl.createItemAlias(item, unitOfMeasureType, itemAliasType, alias, getPartyPK());
119                                        } else {
120                                            addExecutionError(ExecutionErrors.DuplicateItemAlias.name(), itemAlias.getItem().getLastDetail().getItemName(),
121                                                    itemAlias.getUnitOfMeasureType().getLastDetail().getUnitOfMeasureTypeName(), itemAlias.getAlias());
122                                        }
123                                    } else {
124                                        addExecutionError(ExecutionErrors.AliasDuplicatesItemName.name(), duplicateItem.getLastDetail().getItemName());
125                                    }
126                                }
127                            }
128                        }
129                    } else {
130                        addExecutionError(ExecutionErrors.UnknownItemAliasType.name(), itemAliasTypeName);
131                    }
132                } else {
133                    addExecutionError(ExecutionErrors.UnknownItemUnitOfMeasureType.name(), itemName, unitOfMeasureTypeName);
134                }
135            } else {
136                addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureTypeName);
137            }
138        } else {
139            addExecutionError(ExecutionErrors.UnknownItemName.name(), itemName);
140        }
141        
142        return null;
143    }
144    
145}