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.edit.CoreEditFactory;
020import com.echothree.control.user.core.common.edit.EntityAliasEdit;
021import com.echothree.control.user.core.common.form.EditEntityAliasForm;
022import com.echothree.control.user.core.common.result.CoreResultFactory;
023import com.echothree.control.user.core.common.spec.EntityAliasSpec;
024import com.echothree.model.control.core.server.logic.EntityAliasTypeLogic;
025import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
026import com.echothree.model.control.party.common.PartyTypes;
027import com.echothree.model.control.security.common.SecurityRoleGroups;
028import com.echothree.model.control.security.common.SecurityRoles;
029import com.echothree.model.data.core.server.entity.EntityAlias;
030import com.echothree.model.data.user.common.pk.UserVisitPK;
031import com.echothree.util.common.command.BaseResult;
032import com.echothree.util.common.command.EditMode;
033import com.echothree.util.common.message.ExecutionErrors;
034import com.echothree.util.common.validation.FieldDefinition;
035import com.echothree.util.common.validation.FieldType;
036import com.echothree.util.server.control.BaseEditCommand;
037import com.echothree.util.server.control.CommandSecurityDefinition;
038import com.echothree.util.server.control.PartyTypeDefinition;
039import com.echothree.util.server.control.SecurityRoleDefinition;
040import com.echothree.util.server.persistence.PersistenceUtils;
041import java.util.List;
042import java.util.regex.Pattern;
043
044public class EditEntityAliasCommand
045        extends BaseEditCommand<EntityAliasSpec, EntityAliasEdit> {
046
047    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
048    private final static List<FieldDefinition> SPEC_FIELD_DEFINITIONS;
049    private final static List<FieldDefinition> EDIT_FIELD_DEFINITIONS;
050
051    static {
052        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
053                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
054                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
055                        new SecurityRoleDefinition(SecurityRoleGroups.EntityAlias.name(), SecurityRoles.Edit.name())
056                ))
057        ));
058
059        SPEC_FIELD_DEFINITIONS = List.of(
060                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
061                new FieldDefinition("Key", FieldType.KEY, false, null, null),
062                new FieldDefinition("Guid", FieldType.GUID, false, null, null),
063                new FieldDefinition("Ulid", FieldType.ULID, false, null, null),
064                new FieldDefinition("EntityAliasTypeName", FieldType.ENTITY_NAME, false, null, null),
065                new FieldDefinition("EntityAliasTypeUlid", FieldType.ULID, false, null, null)
066        );
067
068        EDIT_FIELD_DEFINITIONS = List.of(
069                new FieldDefinition("Alias", FieldType.ENTITY_NAME, true, null, null)
070        );
071    }
072
073    /** Creates a new instance of EditEntityAliasCommand */
074    public EditEntityAliasCommand(UserVisitPK userVisitPK, EditEntityAliasForm form) {
075        super(userVisitPK, form, COMMAND_SECURITY_DEFINITION, SPEC_FIELD_DEFINITIONS, EDIT_FIELD_DEFINITIONS);
076    }
077    
078    @Override
079    protected BaseResult execute() {
080        var result = CoreResultFactory.getEditEntityAliasResult();
081        var parameterCount = EntityInstanceLogic.getInstance().countPossibleEntitySpecs(spec);
082
083        if(parameterCount == 1) {
084            var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(this, spec);
085
086            if(!hasExecutionErrors()) {
087                var entityAliasTypeName = spec.getEntityAliasTypeName();
088                var entityAliasTypeUlid = spec.getEntityAliasTypeUlid();
089
090                parameterCount = (entityAliasTypeName == null ? 0 : 1) + (entityAliasTypeUlid == null ? 0 : 1);
091
092                if(parameterCount == 1) {
093                    var entityAliasType = entityAliasTypeName == null ?
094                            EntityAliasTypeLogic.getInstance().getEntityAliasTypeByUlid(this, entityAliasTypeUlid) :
095                            EntityAliasTypeLogic.getInstance().getEntityAliasTypeByName(this, entityInstance.getEntityType(), entityAliasTypeName);
096
097                    if(!hasExecutionErrors()) {
098                        if(entityInstance.getEntityType().equals(entityAliasType.getLastDetail().getEntityType())) {
099                            var coreControl = getCoreControl();
100                            EntityAlias entityAlias = null;
101                            var basePK = PersistenceUtils.getInstance().getBasePKFromEntityInstance(entityInstance);
102
103                            if(editMode.equals(EditMode.LOCK) || editMode.equals(EditMode.ABANDON)) {
104                                entityAlias = coreControl.getEntityAlias(entityInstance, entityAliasType);
105
106                                if(entityAlias != null) {
107                                    if(editMode.equals(EditMode.LOCK)) {
108                                        result.setEntityAlias(coreControl.getEntityAliasTransfer(getUserVisit(), entityAlias));
109
110                                        if(lockEntity(basePK)) {
111                                            var edit = CoreEditFactory.getEntityAliasEdit();
112
113                                            result.setEdit(edit);
114                                            edit.setAlias(entityAlias.getAlias());
115                                        } else {
116                                            addExecutionError(ExecutionErrors.EntityLockFailed.name());
117                                        }
118                                    } else { // EditMode.ABANDON
119                                        unlockEntity(basePK);
120                                        basePK = null;
121                                    }
122                                } else {
123                                    addExecutionError(ExecutionErrors.UnknownEntityAlias.name(),
124                                            EntityInstanceLogic.getInstance().getEntityRefFromEntityInstance(entityInstance), entityAliasTypeName);
125                                }
126                            } else if(editMode.equals(EditMode.UPDATE)) {
127                                var validationPattern = entityAliasType.getLastDetail().getValidationPattern();
128                                var alias = edit.getAlias();
129
130                                if(validationPattern != null) {
131                                    var pattern = Pattern.compile(validationPattern);
132                                    var matcher = pattern.matcher(alias);
133
134                                    if(!matcher.matches()) {
135                                        addExecutionError(ExecutionErrors.InvalidAlias.name(), alias);
136                                    }
137                                }
138
139                                if(!hasExecutionErrors()) {
140                                    entityAlias = coreControl.getEntityAliasForUpdate(entityInstance, entityAliasType);
141
142                                    if(entityAlias != null) {
143
144                                        var duplicateEntityAlias = coreControl.getEntityAliasByEntityAliasTypeAndAlias(entityAliasType, alias);
145
146                                        if(duplicateEntityAlias != null && !entityAlias.equals(duplicateEntityAlias)) {
147                                            addExecutionError(ExecutionErrors.DuplicateEntityAlias.name(),
148                                                    EntityInstanceLogic.getInstance().getEntityRefFromEntityInstance(entityInstance),
149                                                    entityAliasType.getLastDetail().getEntityAliasTypeName(), alias);
150                                        } else {
151                                            if(lockEntityForUpdate(basePK)) {
152                                                try {
153                                                    var entityAliasValue = coreControl.getEntityAliasValueForUpdate(entityAlias);
154
155                                                    entityAliasValue.setAlias(alias);
156
157                                                    coreControl.updateEntityAliasFromValue(entityAliasValue, getPartyPK());
158                                                } finally {
159                                                    unlockEntity(basePK);
160                                                    basePK = null;
161                                                }
162                                            } else {
163                                                addExecutionError(ExecutionErrors.EntityLockStale.name());
164                                            }
165                                        }
166                                    } else {
167                                        addExecutionError(ExecutionErrors.UnknownEntityAlias.name(),
168                                                EntityInstanceLogic.getInstance().getEntityRefFromEntityInstance(entityInstance), entityAliasTypeName);
169                                    }
170                                }
171                            }
172
173                            if(basePK != null) {
174                                result.setEntityLock(getEntityLockTransfer(basePK));
175                            }
176
177                            if(entityAlias != null) {
178                                result.setEntityAlias(coreControl.getEntityAliasTransfer(getUserVisit(), entityAlias));
179                            }
180                        } else {
181                            addExecutionError(ExecutionErrors.MismatchedEntityType.name());
182                        }
183                    }
184                } else {
185                    addExecutionError(ExecutionErrors.InvalidParameterCount.name());
186                }
187            }
188        } else {
189            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
190        }
191
192        return result;
193    }
194    
195}