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.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.Arrays;
035import java.util.Collections;
036import java.util.List;
037import javax.enterprise.context.RequestScoped;
038
039@RequestScoped
040public class CreateSubscriptionCommand
041        extends BaseSimpleCommand<CreateSubscriptionForm> {
042    
043    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
044    
045    static {
046        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
047            new FieldDefinition("SubscriptionKindName", FieldType.ENTITY_NAME, true, null, null),
048            new FieldDefinition("SubscriptionTypeName", FieldType.ENTITY_NAME, true, null, null),
049            new FieldDefinition("PartyName", FieldType.ENTITY_NAME, true, null, null),
050            new FieldDefinition("UnitOfMeasureTypeName", FieldType.ENTITY_NAME, false, null, null),
051            new FieldDefinition("SubscriptionTime", FieldType.UNSIGNED_LONG, false, null, null)
052        ));
053    }
054    
055    /** Creates a new instance of CreateSubscriptionCommand */
056    public CreateSubscriptionCommand() {
057        super(null, FORM_FIELD_DEFINITIONS, false);
058    }
059    
060    @Override
061    protected BaseResult execute() {
062        var subscriptionControl = Session.getModelController(SubscriptionControl.class);
063        var subscriptionKindName = form.getSubscriptionKindName();
064        var subscriptionKind = subscriptionControl.getSubscriptionKindByName(subscriptionKindName);
065        
066        if(subscriptionKind != null) {
067            var subscriptionTypeName = form.getSubscriptionTypeName();
068            var subscriptionType = subscriptionControl.getSubscriptionTypeByName(subscriptionKind, subscriptionTypeName);
069            
070            if(subscriptionType != null) {
071                var partyControl = Session.getModelController(PartyControl.class);
072                var partyName = form.getPartyName();
073                var party = partyControl.getPartyByName(partyName);
074                
075                if(party != null) {
076                    var subscription = subscriptionControl.getSubscription(subscriptionType, party);
077                    
078                    if(subscription == null) {
079                        var uomControl = Session.getModelController(UomControl.class);
080                        var unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
081                        UnitOfMeasureType unitOfMeasureType = null;
082                        
083                        if(unitOfMeasureTypeName != null) {
084                            var unitOfMeasureKind = uomControl.getUnitOfMeasureKindByUnitOfMeasureKindUseTypeUsingNames(UomConstants.UnitOfMeasureKindUseType_TIME);
085                            
086                            unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(unitOfMeasureKind, unitOfMeasureTypeName);
087                        }
088                        
089                        if(unitOfMeasureTypeName == null || unitOfMeasureType != null) {
090                            var strSubscriptionTime = form.getSubscriptionTime();
091                            var subscriptionTime = strSubscriptionTime == null? null: Long.valueOf(strSubscriptionTime);
092                            
093                            if(unitOfMeasureTypeName == null || subscriptionTime != null) {
094                                Long endTime = null;
095                                var createdBy = getPartyPK();
096                                
097                                if(subscriptionTime != null) {
098                                    var conversion = new Conversion(uomControl, unitOfMeasureType, subscriptionTime).convertToLowestUnitOfMeasureType();
099                                    endTime = session.START_TIME + conversion.getQuantity();
100                                }
101                                
102                                // ExecutionErrorAccumulator is passed in as null so that an Exception will be thrown if there is an error.
103                                SubscriptionLogic.getInstance().createSubscription(null, session, subscriptionType, party, endTime, createdBy);
104                            } else {
105                                addExecutionError(ExecutionErrors.MissingSubscriptionTime.name());
106                            }
107                        } else {
108                            addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureTypeName);
109                        }
110                    } else {
111                        addExecutionError(ExecutionErrors.DuplicateSubscription.name());
112                    }
113                } else {
114                    addExecutionError(ExecutionErrors.UnknownPartyName.name(), partyName);
115                }
116            } else {
117                addExecutionError(ExecutionErrors.UnknownSubscriptionTypeName.name(), subscriptionTypeName);
118            }
119        } else {
120            addExecutionError(ExecutionErrors.UnknownSubscriptionKindName.name(), subscriptionKindName);
121        }
122        
123        return null;
124    }
125    
126}