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.GetSubscriptionsForm;
020import com.echothree.control.user.subscription.common.result.SubscriptionResultFactory;
021import com.echothree.model.control.party.server.control.PartyControl;
022import com.echothree.model.control.subscription.server.control.SubscriptionControl;
023import com.echothree.model.data.user.common.pk.UserVisitPK;
024import com.echothree.util.common.message.ExecutionErrors;
025import com.echothree.util.common.validation.FieldDefinition;
026import com.echothree.util.common.validation.FieldType;
027import com.echothree.util.common.command.BaseResult;
028import com.echothree.util.server.control.BaseSimpleCommand;
029import com.echothree.util.server.persistence.Session;
030import java.util.List;
031import javax.enterprise.context.Dependent;
032
033@Dependent
034public class GetSubscriptionsCommand
035        extends BaseSimpleCommand<GetSubscriptionsForm> {
036    
037    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
038    
039    static {
040        FORM_FIELD_DEFINITIONS = List.of(
041            new FieldDefinition("SubscriptionKindName", FieldType.ENTITY_NAME, false, null, null),
042            new FieldDefinition("SubscriptionTypeName", FieldType.ENTITY_NAME, false, null, null),
043            new FieldDefinition("PartyName", FieldType.ENTITY_NAME, false, null, null)
044        );
045    }
046    
047    /** Creates a new instance of GetSubscriptionsCommand */
048    public GetSubscriptionsCommand() {
049        super(null, FORM_FIELD_DEFINITIONS, true);
050    }
051    
052    @Override
053    protected BaseResult execute() {
054        var subscriptionControl = Session.getModelController(SubscriptionControl.class);
055        var result = SubscriptionResultFactory.getGetSubscriptionsResult();
056        var subscriptionKindName = form.getSubscriptionKindName();
057        var subscriptionTypeName = form.getSubscriptionTypeName();
058        var partyName = form.getPartyName();
059        var userVisit = getUserVisit();
060        
061        if(subscriptionKindName != null && subscriptionTypeName != null && partyName == null) {
062            var subscriptionKind = subscriptionControl.getSubscriptionKindByName(subscriptionKindName);
063            
064            if(subscriptionKind != null) {
065                var subscriptionType = subscriptionControl.getSubscriptionTypeByName(subscriptionKind, subscriptionTypeName);
066                
067                result.setSubscriptionKind(subscriptionControl.getSubscriptionKindTransfer(userVisit, subscriptionKind));
068                
069                if(subscriptionType != null) {
070                    result.setSubscriptionType(subscriptionControl.getSubscriptionTypeTransfer(userVisit, subscriptionType));
071                    result.setSubscriptions(subscriptionControl.getSubscriptionTransfersBySubscriptionType(userVisit, subscriptionType));
072                } else {
073                    addExecutionError(ExecutionErrors.UnknownSubscriptionTypeName.name(), subscriptionTypeName);
074                }
075            } else {
076                addExecutionError(ExecutionErrors.UnknownSubscriptionKindName.name(), subscriptionKindName);
077            }
078        } else if(subscriptionKindName == null && subscriptionTypeName == null && partyName != null) {
079            var partyControl = Session.getModelController(PartyControl.class);
080            var party = partyControl.getPartyByName(partyName);
081            
082            if(party != null) {
083                result.setParty(partyControl.getPartyTransfer(userVisit, party));
084                result.setSubscriptions(subscriptionControl.getSubscriptionTransfersByParty(userVisit, party));
085            } else {
086                addExecutionError(ExecutionErrors.UnknownPartyName.name(), partyName);
087            }
088        } else {
089            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
090        }
091        
092        return result;
093    }
094    
095}