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.model.control.customer.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.control.CoreControl;
024import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
025import com.echothree.model.control.customer.common.exception.UnknownCustomerNameException;
026import com.echothree.model.control.customer.common.exception.UnknownCustomerStatusChoiceException;
027import com.echothree.model.control.customer.common.workflow.CustomerStatusConstants;
028import com.echothree.model.control.customer.server.control.CustomerControl;
029import com.echothree.model.control.party.common.PartyTypes;
030import com.echothree.model.control.party.common.exception.UnknownPartyNameException;
031import com.echothree.model.control.party.server.control.PartyControl;
032import com.echothree.model.control.party.server.logic.PartyLogic;
033import com.echothree.model.control.user.server.logic.UserKeyLogic;
034import com.echothree.model.control.user.server.logic.UserSessionLogic;
035import com.echothree.model.control.workflow.server.control.WorkflowControl;
036import com.echothree.model.control.workflow.server.logic.WorkflowDestinationLogic;
037import com.echothree.model.control.workflow.server.logic.WorkflowLogic;
038import com.echothree.model.data.core.server.entity.EntityInstance;
039import com.echothree.model.data.customer.server.entity.Customer;
040import com.echothree.model.data.party.common.pk.PartyPK;
041import com.echothree.model.data.party.server.entity.Party;
042import com.echothree.model.data.workflow.server.entity.WorkflowDestination;
043import com.echothree.model.data.workflow.server.entity.WorkflowEntityStatus;
044import com.echothree.util.common.message.ExecutionErrors;
045import com.echothree.util.server.control.BaseLogic;
046import com.echothree.util.server.message.ExecutionErrorAccumulator;
047import com.echothree.util.server.persistence.Session;
048import java.util.Map;
049import java.util.Set;
050
051public class CustomerLogic
052        extends BaseLogic {
053    
054    private CustomerLogic() {
055        super();
056    }
057    
058    private static class CustomerLogicHolder {
059        static CustomerLogic instance = new CustomerLogic();
060    }
061    
062    public static CustomerLogic getInstance() {
063        return CustomerLogicHolder.instance;
064    }
065
066    public Customer getCustomerByName(final ExecutionErrorAccumulator eea, final String customerName, final String partyName,
067            final UniversalEntitySpec universalEntitySpec) {
068        var parameterCount = (customerName == null ? 0 : 1) + (partyName == null ? 0 : 1) +
069                EntityInstanceLogic.getInstance().countPossibleEntitySpecs(universalEntitySpec);
070        Customer customer = null;
071
072        if(parameterCount == 1) {
073            var customerControl = Session.getModelController(CustomerControl.class);
074            var partyControl = Session.getModelController(PartyControl.class);
075
076            if(customerName != null) {
077                customer = customerControl.getCustomerByName(customerName);
078
079                if(customer == null) {
080                    handleExecutionError(UnknownCustomerNameException.class, eea, ExecutionErrors.UnknownCustomerName.name(), customerName);
081                }
082            } else if(partyName != null) {
083                var party = partyControl.getPartyByName(partyName);
084
085                if(party != null) {
086                    PartyLogic.getInstance().checkPartyType(eea, party, PartyTypes.CUSTOMER.name());
087
088                    customer = customerControl.getCustomer(party);
089                } else {
090                    handleExecutionError(UnknownPartyNameException.class, eea, ExecutionErrors.UnknownPartyName.name(), partyName);
091                }
092            } else if(universalEntitySpec != null) {
093                var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(eea, universalEntitySpec,
094                        ComponentVendors.ECHO_THREE.name(), EntityTypes.Party.name());
095
096                if(!eea.hasExecutionErrors()) {
097                    var party = partyControl.getPartyByEntityInstance(entityInstance);
098
099                    PartyLogic.getInstance().checkPartyType(eea, party, PartyTypes.CUSTOMER.name());
100
101                    customer = customerControl.getCustomer(party);
102                }
103            }
104        } else {
105            handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
106        }
107
108        return customer;
109    }
110
111    public void setCustomerStatus(final Session session, ExecutionErrorAccumulator eea, Party party, String customerStatusChoice, PartyPK modifiedBy) {
112        var coreControl = Session.getModelController(CoreControl.class);
113        var workflowControl = Session.getModelController(WorkflowControl.class);
114        var workflow = WorkflowLogic.getInstance().getWorkflowByName(eea, CustomerStatusConstants.Workflow_CUSTOMER_STATUS);
115        EntityInstance entityInstance = coreControl.getEntityInstanceByBasePK(party.getPrimaryKey());
116        WorkflowEntityStatus workflowEntityStatus = workflowControl.getWorkflowEntityStatusByEntityInstanceForUpdate(workflow, entityInstance);
117        WorkflowDestination workflowDestination = customerStatusChoice == null ? null : workflowControl.getWorkflowDestinationByName(workflowEntityStatus.getWorkflowStep(), customerStatusChoice);
118
119        if(workflowDestination != null || customerStatusChoice == null) {
120            var workflowDestinationLogic = WorkflowDestinationLogic.getInstance();
121            String currentWorkflowStepName = workflowEntityStatus.getWorkflowStep().getLastDetail().getWorkflowStepName();
122            Map<String, Set<String>> map = workflowDestinationLogic.getWorkflowDestinationsAsMap(workflowDestination);
123            Long triggerTime = null;
124
125            if(currentWorkflowStepName.equals(CustomerStatusConstants.WorkflowStep_ACTIVE)) {
126                if(workflowDestinationLogic.workflowDestinationMapContainsStep(map, CustomerStatusConstants.Workflow_CUSTOMER_STATUS, CustomerStatusConstants.WorkflowStep_INACTIVE)) {
127                    UserKeyLogic.getInstance().clearUserKeysByParty(party);
128                    UserSessionLogic.getInstance().deleteUserSessionsByParty(party);
129                }
130            } else if(currentWorkflowStepName.equals(CustomerStatusConstants.WorkflowStep_INACTIVE)) {
131                if(workflowDestinationLogic.workflowDestinationMapContainsStep(map, CustomerStatusConstants.Workflow_CUSTOMER_STATUS, CustomerStatusConstants.WorkflowStep_ACTIVE)) {
132                    // Nothing at this time.
133                }
134            }
135
136            if(eea == null || !eea.hasExecutionErrors()) {
137                workflowControl.transitionEntityInWorkflow(eea, workflowEntityStatus, workflowDestination, triggerTime, modifiedBy);
138            }
139        } else {
140            handleExecutionError(UnknownCustomerStatusChoiceException.class, eea, ExecutionErrors.UnknownCustomerStatusChoice.name(), customerStatusChoice);
141        }
142    }
143
144}