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.model.control.party.server.logic;
018
019import com.echothree.control.user.core.common.spec.UniversalEntitySpec;
020import com.echothree.model.control.core.common.ComponentVendors;
021import com.echothree.model.control.core.common.EntityTypes;
022import com.echothree.model.control.core.common.exception.InvalidParameterCountException;
023import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
024import com.echothree.model.control.party.common.PartyTypes;
025import com.echothree.model.control.party.common.exception.UnknownDepartmentNameException;
026import com.echothree.model.control.party.common.exception.UnknownPartyNameException;
027import com.echothree.model.control.party.common.exception.UseOfDepartmentNameRequiresDivisionNameException;
028import com.echothree.model.control.party.server.control.PartyControl;
029import com.echothree.model.data.party.server.entity.Party;
030import com.echothree.model.data.party.server.entity.PartyDepartment;
031import com.echothree.util.common.message.ExecutionErrors;
032import com.echothree.util.server.control.BaseLogic;
033import com.echothree.util.server.message.ExecutionErrorAccumulator;
034import com.echothree.util.server.persistence.Session;
035import javax.enterprise.context.ApplicationScoped;
036import javax.enterprise.inject.spi.CDI;
037
038@ApplicationScoped
039public class DepartmentLogic
040        extends BaseLogic {
041
042    protected DepartmentLogic() {
043        super();
044    }
045
046    public static DepartmentLogic getInstance() {
047        return CDI.current().select(DepartmentLogic.class).get();
048    }
049
050    public PartyDepartment getPartyDepartmentByName(final ExecutionErrorAccumulator eea, final String companyName,
051            final String divisionName, final String departmentName, final String partyName,
052            final UniversalEntitySpec universalEntitySpec, final boolean required) {
053        PartyDepartment partyDepartment = null;
054        Party divisionParty = null;
055
056        if(companyName != null || divisionName != null) {
057            var partyDivision = DivisionLogic.getInstance().getPartyDivisionByName(eea, companyName,
058                    divisionName, null, null, true);
059
060            divisionParty = hasExecutionErrors(eea) ? null : partyDivision.getParty();
061        }
062
063        if(!hasExecutionErrors(eea)) {
064            partyDepartment = getPartyDepartmentByName(eea, divisionParty, departmentName, partyName, universalEntitySpec,
065                    required);
066        }
067
068        return partyDepartment;
069    }
070
071    public PartyDepartment getPartyDepartmentByName(final ExecutionErrorAccumulator eea, final Party divisionParty,
072            final String departmentName, final String partyName, final UniversalEntitySpec universalEntitySpec,
073            final boolean required) {
074        var parameterCount = (departmentName == null ? 0 : 1) + (partyName == null ? 0 : 1) +
075                EntityInstanceLogic.getInstance().countPossibleEntitySpecs(universalEntitySpec);
076        PartyDepartment partyDepartment = null;
077
078        if(divisionParty != null) {
079            PartyLogic.getInstance().checkPartyType(eea, divisionParty, PartyTypes.DIVISION.name());
080        }
081
082        if(!hasExecutionErrors(eea)) {
083            if(parameterCount == 1) {
084                var partyControl = Session.getModelController(PartyControl.class);
085
086                if(departmentName != null) {
087                    if(divisionParty == null) {
088                        handleExecutionError(UseOfDepartmentNameRequiresDivisionNameException.class, eea, ExecutionErrors.UseOfDepartmentNameRequiresDivisionName.name());
089                    } else {
090                        partyDepartment = partyControl.getPartyDepartmentByName(divisionParty, departmentName);
091
092                        if(partyDepartment == null) {
093                            handleExecutionError(UnknownDepartmentNameException.class, eea, ExecutionErrors.UnknownDepartmentName.name(), departmentName);
094                        }
095                    }
096                } else {
097                    // Use of partyName or universalEntitySpec cannot include a divisionParty.
098                    if(divisionParty == null) {
099                        if(partyName != null) {
100                            var party = partyControl.getPartyByName(partyName);
101
102                            if(party != null) {
103                                PartyLogic.getInstance().checkPartyType(eea, party, PartyTypes.DEPARTMENT.name());
104
105                                partyDepartment = partyControl.getPartyDepartment(party);
106                            } else {
107                                handleExecutionError(UnknownPartyNameException.class, eea, ExecutionErrors.UnknownPartyName.name(), partyName);
108                            }
109                        } else if(universalEntitySpec != null) {
110                            var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(eea, universalEntitySpec,
111                                    ComponentVendors.ECHO_THREE.name(), EntityTypes.Party.name());
112
113                            if(!eea.hasExecutionErrors()) {
114                                var party = partyControl.getPartyByEntityInstance(entityInstance);
115
116                                PartyLogic.getInstance().checkPartyType(eea, party, PartyTypes.DEPARTMENT.name());
117
118                                partyDepartment = partyControl.getPartyDepartment(party);
119                            }
120                        }
121                    } else {
122                        handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
123                    }
124                }
125            } else {
126                if(required) {
127                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
128                }
129            }
130        }
131
132        return partyDepartment;
133    }
134
135}