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.subscription.server.command;
018
019import com.echothree.control.user.subscription.common.form.CreateSubscriptionForm;
020import com.echothree.model.control.party.server.control.PartyControl;
021import com.echothree.model.control.subscription.server.control.SubscriptionControl;
022import com.echothree.model.control.subscription.server.logic.SubscriptionLogic;
023import com.echothree.model.control.uom.common.UomConstants;
024import com.echothree.model.control.uom.server.control.UomControl;
025import com.echothree.model.control.uom.server.util.Conversion;
026import com.echothree.model.data.uom.server.entity.UnitOfMeasureType;
027import com.echothree.model.data.user.common.pk.UserVisitPK;
028import com.echothree.util.common.message.ExecutionErrors;
029import com.echothree.util.common.validation.FieldDefinition;
030import com.echothree.util.common.validation.FieldType;
031import com.echothree.util.common.command.BaseResult;
032import com.echothree.util.server.control.BaseSimpleCommand;
033import com.echothree.util.server.persistence.Session;
034import java.util.List;
035import javax.enterprise.context.Dependent;
036
037@Dependent
038public class CreateSubscriptionCommand
039        extends BaseSimpleCommand<CreateSubscriptionForm> {
040    
041    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
042    
043    static {
044        FORM_FIELD_DEFINITIONS = List.of(
045            new FieldDefinition("SubscriptionKindName", FieldType.ENTITY_NAME, true, null, null),
046            new FieldDefinition("SubscriptionTypeName", FieldType.ENTITY_NAME, true, null, null),
047            new FieldDefinition("PartyName", FieldType.ENTITY_NAME, true, null, null),
048            new FieldDefinition("UnitOfMeasureTypeName", FieldType.ENTITY_NAME, false, null, null),
049            new FieldDefinition("SubscriptionTime", FieldType.UNSIGNED_LONG, false, null, null)
050        );
051    }
052    
053    /** Creates a new instance of CreateSubscriptionCommand */
054    public CreateSubscriptionCommand() {
055        super(null, FORM_FIELD_DEFINITIONS, false);
056    }
057    
058    @Override
059    protected BaseResult execute() {
060        var subscriptionControl = Session.getModelController(SubscriptionControl.class);
061        var subscriptionKindName = form.getSubscriptionKindName();
062        var subscriptionKind = subscriptionControl.getSubscriptionKindByName(subscriptionKindName);
063        
064        if(subscriptionKind != null) {
065            var subscriptionTypeName = form.getSubscriptionTypeName();
066            var subscriptionType = subscriptionControl.getSubscriptionTypeByName(subscriptionKind, subscriptionTypeName);
067            
068            if(subscriptionType != null) {
069                var partyControl = Session.getModelController(PartyControl.class);
070                var partyName = form.getPartyName();
071                var party = partyControl.getPartyByName(partyName);
072                
073                if(party != null) {
074                    var subscription = subscriptionControl.getSubscription(subscriptionType, party);
075                    
076                    if(subscription == null) {
077                        var uomControl = Session.getModelController(UomControl.class);
078                        var unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
079                        UnitOfMeasureType unitOfMeasureType = null;
080                        
081                        if(unitOfMeasureTypeName != null) {
082                            var unitOfMeasureKind = uomControl.getUnitOfMeasureKindByUnitOfMeasureKindUseTypeUsingNames(UomConstants.UnitOfMeasureKindUseType_TIME);
083                            
084                            unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(unitOfMeasureKind, unitOfMeasureTypeName);
085                        }
086                        
087                        if(unitOfMeasureTypeName == null || unitOfMeasureType != null) {
088                            var strSubscriptionTime = form.getSubscriptionTime();
089                            var subscriptionTime = strSubscriptionTime == null? null: Long.valueOf(strSubscriptionTime);
090                            
091                            if(unitOfMeasureTypeName == null || subscriptionTime != null) {
092                                Long endTime = null;
093                                var createdBy = getPartyPK();
094                                
095                                if(subscriptionTime != null) {
096                                    var conversion = new Conversion(uomControl, unitOfMeasureType, subscriptionTime).convertToLowestUnitOfMeasureType();
097                                    endTime = session.getStartTime() + conversion.getQuantity();
098                                }
099                                
100                                // ExecutionErrorAccumulator is passed in as null so that an Exception will be thrown if there is an error.
101                                SubscriptionLogic.getInstance().createSubscription(null, session, subscriptionType, party, endTime, createdBy);
102                            } else {
103                                addExecutionError(ExecutionErrors.MissingSubscriptionTime.name());
104                            }
105                        } else {
106                            addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureTypeName);
107                        }
108                    } else {
109                        addExecutionError(ExecutionErrors.DuplicateSubscription.name());
110                    }
111                } else {
112                    addExecutionError(ExecutionErrors.UnknownPartyName.name(), partyName);
113                }
114            } else {
115                addExecutionError(ExecutionErrors.UnknownSubscriptionTypeName.name(), subscriptionTypeName);
116            }
117        } else {
118            addExecutionError(ExecutionErrors.UnknownSubscriptionKindName.name(), subscriptionKindName);
119        }
120        
121        return null;
122    }
123    
124}