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.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.party.common.pk.PartyPK;
027import com.echothree.model.data.party.server.entity.Party;
028import com.echothree.model.data.subscription.server.entity.Subscription;
029import com.echothree.model.data.subscription.server.entity.SubscriptionKind;
030import com.echothree.model.data.subscription.server.entity.SubscriptionType;
031import com.echothree.model.data.uom.server.entity.UnitOfMeasureKind;
032import com.echothree.model.data.uom.server.entity.UnitOfMeasureType;
033import com.echothree.model.data.user.common.pk.UserVisitPK;
034import com.echothree.util.common.message.ExecutionErrors;
035import com.echothree.util.common.validation.FieldDefinition;
036import com.echothree.util.common.validation.FieldType;
037import com.echothree.util.common.command.BaseResult;
038import com.echothree.util.server.control.BaseSimpleCommand;
039import com.echothree.util.server.persistence.Session;
040import java.util.Arrays;
041import java.util.Collections;
042import java.util.List;
043
044public class CreateSubscriptionCommand
045        extends BaseSimpleCommand<CreateSubscriptionForm> {
046    
047    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
048    
049    static {
050        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
051            new FieldDefinition("SubscriptionKindName", FieldType.ENTITY_NAME, true, null, null),
052            new FieldDefinition("SubscriptionTypeName", FieldType.ENTITY_NAME, true, null, null),
053            new FieldDefinition("PartyName", FieldType.ENTITY_NAME, true, null, null),
054            new FieldDefinition("UnitOfMeasureTypeName", FieldType.ENTITY_NAME, false, null, null),
055            new FieldDefinition("SubscriptionTime", FieldType.UNSIGNED_LONG, false, null, null)
056        ));
057    }
058    
059    /** Creates a new instance of CreateSubscriptionCommand */
060    public CreateSubscriptionCommand(UserVisitPK userVisitPK, CreateSubscriptionForm form) {
061        super(userVisitPK, form, null, FORM_FIELD_DEFINITIONS, false);
062    }
063    
064    @Override
065    protected BaseResult execute() {
066        var subscriptionControl = Session.getModelController(SubscriptionControl.class);
067        String subscriptionKindName = form.getSubscriptionKindName();
068        SubscriptionKind subscriptionKind = subscriptionControl.getSubscriptionKindByName(subscriptionKindName);
069        
070        if(subscriptionKind != null) {
071            String subscriptionTypeName = form.getSubscriptionTypeName();
072            SubscriptionType subscriptionType = subscriptionControl.getSubscriptionTypeByName(subscriptionKind, subscriptionTypeName);
073            
074            if(subscriptionType != null) {
075                var partyControl = Session.getModelController(PartyControl.class);
076                String partyName = form.getPartyName();
077                Party party = partyControl.getPartyByName(partyName);
078                
079                if(party != null) {
080                    Subscription subscription = subscriptionControl.getSubscription(subscriptionType, party);
081                    
082                    if(subscription == null) {
083                        var uomControl = Session.getModelController(UomControl.class);
084                        String unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
085                        UnitOfMeasureType unitOfMeasureType = null;
086                        
087                        if(unitOfMeasureTypeName != null) {
088                            UnitOfMeasureKind unitOfMeasureKind = uomControl.getUnitOfMeasureKindByUnitOfMeasureKindUseTypeUsingNames(UomConstants.UnitOfMeasureKindUseType_TIME);
089                            
090                            unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(unitOfMeasureKind, unitOfMeasureTypeName);
091                        }
092                        
093                        if(unitOfMeasureTypeName == null || unitOfMeasureType != null) {
094                            String strSubscriptionTime = form.getSubscriptionTime();
095                            Long subscriptionTime = strSubscriptionTime == null? null: Long.valueOf(strSubscriptionTime);
096                            
097                            if(unitOfMeasureTypeName == null || subscriptionTime != null) {
098                                Long endTime = null;
099                                PartyPK createdBy = getPartyPK();
100                                
101                                if(subscriptionTime != null) {
102                                    Conversion conversion = new Conversion(uomControl, unitOfMeasureType, subscriptionTime).convertToLowestUnitOfMeasureType();
103                                    endTime = session.START_TIME + conversion.getQuantity();
104                                }
105                                
106                                // ExecutionErrorAccumulator is passed in as null so that an Exception will be thrown if there is an error.
107                                SubscriptionLogic.getInstance().createSubscription(null, session, subscriptionType, party, endTime, createdBy);
108                            } else {
109                                addExecutionError(ExecutionErrors.MissingSubscriptionTime.name());
110                            }
111                        } else {
112                            addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureTypeName);
113                        }
114                    } else {
115                        addExecutionError(ExecutionErrors.DuplicateSubscription.name());
116                    }
117                } else {
118                    addExecutionError(ExecutionErrors.UnknownPartyName.name(), partyName);
119                }
120            } else {
121                addExecutionError(ExecutionErrors.UnknownSubscriptionTypeName.name(), subscriptionTypeName);
122            }
123        } else {
124            addExecutionError(ExecutionErrors.UnknownSubscriptionKindName.name(), subscriptionKindName);
125        }
126        
127        return null;
128    }
129    
130}