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.core.server.command;
018
019import com.echothree.control.user.core.common.form.DeleteEntityAliasForm;
020import com.echothree.model.control.core.server.logic.EntityAliasTypeLogic;
021import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
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.command.BaseResult;
027import com.echothree.util.common.message.ExecutionErrors;
028import com.echothree.util.common.validation.FieldDefinition;
029import com.echothree.util.common.validation.FieldType;
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 java.util.List;
035
036public class DeleteEntityAliasCommand
037        extends BaseSimpleCommand<DeleteEntityAliasForm> {
038
039    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
040    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
041
042    static {
043        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
044                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
045                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
046                        new SecurityRoleDefinition(SecurityRoleGroups.EntityAlias.name(), SecurityRoles.Delete.name())
047                ))
048        ));
049
050        FORM_FIELD_DEFINITIONS = List.of(
051                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
052                new FieldDefinition("Key", FieldType.KEY, false, null, null),
053                new FieldDefinition("Guid", FieldType.GUID, false, null, null),
054                new FieldDefinition("Ulid", FieldType.ULID, false, null, null),
055                new FieldDefinition("EntityAliasTypeName", FieldType.ENTITY_NAME, false, null, null),
056                new FieldDefinition("EntityAliasTypeUlid", FieldType.ULID, false, null, null)
057        );
058    }
059
060    /** Creates a new instance of DeleteEntityAliasCommand */
061    public DeleteEntityAliasCommand(UserVisitPK userVisitPK, DeleteEntityAliasForm form) {
062        super(userVisitPK, form, COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
063    }
064    
065    @Override
066    protected BaseResult execute() {
067        var parameterCount = EntityInstanceLogic.getInstance().countPossibleEntitySpecs(form);
068
069        if(parameterCount == 1) {
070            var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(this, form);
071
072            if(!hasExecutionErrors()) {
073                var entityAliasTypeName = form.getEntityAliasTypeName();
074                var entityAliasTypeUlid = form.getEntityAliasTypeUlid();
075
076                parameterCount = (entityAliasTypeName == null ? 0 : 1) + (entityAliasTypeUlid == null ? 0 : 1);
077
078                if(parameterCount == 1) {
079                    var entityAliasType = entityAliasTypeName == null ?
080                            EntityAliasTypeLogic.getInstance().getEntityAliasTypeByUlid(this, entityAliasTypeUlid) :
081                            EntityAliasTypeLogic.getInstance().getEntityAliasTypeByName(this, entityInstance.getEntityType(), entityAliasTypeName);
082
083                    if(!hasExecutionErrors()) {
084                        if(entityInstance.getEntityType().equals(entityAliasType.getLastDetail().getEntityType())) {
085                            var coreControl = getCoreControl();
086                            var entityAlias = coreControl.getEntityAliasForUpdate(entityInstance, entityAliasType);
087
088                            if(entityAlias != null) {
089                                coreControl.deleteEntityAlias(entityAlias, getPartyPK());
090                            } else {
091                                addExecutionError(ExecutionErrors.UnknownEntityAlias.name());
092                            }
093                        } else {
094                            addExecutionError(ExecutionErrors.MismatchedEntityType.name());
095                        }
096                    }
097                } else {
098                    addExecutionError(ExecutionErrors.InvalidParameterCount.name());
099                }
100            }
101        } else {
102            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
103        }
104
105        return null;
106    }
107    
108}