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.model.control.offer.server.logic;
018
019import com.echothree.model.control.content.server.control.ContentControl;
020import com.echothree.model.control.customer.server.control.CustomerControl;
021import com.echothree.model.control.offer.common.exception.CannotDeleteOfferUseInUseException;
022import com.echothree.model.control.offer.common.exception.UnknownOfferUseException;
023import com.echothree.model.control.offer.server.control.OfferUseControl;
024import com.echothree.model.control.sales.server.control.SalesOrderControl;
025import com.echothree.model.control.user.server.control.UserControl;
026import com.echothree.model.control.wishlist.server.control.WishlistControl;
027import com.echothree.model.data.offer.server.entity.OfferUse;
028import com.echothree.util.common.message.ExecutionErrors;
029import com.echothree.util.common.persistence.BasePK;
030import com.echothree.util.server.control.BaseLogic;
031import com.echothree.util.server.message.ExecutionErrorAccumulator;
032import com.echothree.util.server.persistence.EntityPermission;
033import com.echothree.util.server.persistence.Session;
034import javax.enterprise.context.ApplicationScoped;
035import javax.enterprise.inject.spi.CDI;
036
037@ApplicationScoped
038public class OfferUseLogic
039        extends BaseLogic {
040
041    protected OfferUseLogic() {
042        super();
043    }
044
045    public static OfferUseLogic getInstance() {
046        return CDI.current().select(OfferUseLogic.class).get();
047    }
048    
049    public OfferUse getOfferUseByName(final ExecutionErrorAccumulator eea, final String offerName, final String useName,
050            final EntityPermission entityPermission) {
051        var offer = OfferLogic.getInstance().getOfferByName(eea, offerName);
052        var use = UseLogic.getInstance().getUseByName(eea, useName);
053        OfferUse offerUse = null;
054
055        if(!eea.hasExecutionErrors()) {
056            var offerUseControl = Session.getModelController(OfferUseControl.class);
057
058            offerUse = offerUseControl.getOfferUse(offer, use, entityPermission);
059
060            if(offerUse == null) {
061                handleExecutionError(UnknownOfferUseException.class, eea, ExecutionErrors.UnknownOfferUse.name(),
062                        offerName, useName);
063            }
064        }
065
066        return offerUse;
067    }
068
069    public OfferUse getOfferUseByName(final ExecutionErrorAccumulator eea, final String offerName, final String useName) {
070        return getOfferUseByName(eea, offerName, useName, EntityPermission.READ_ONLY);
071    }
072
073    public OfferUse getOfferUseByNameForUpdate(final ExecutionErrorAccumulator eea, final String offerName, final String useName) {
074        return getOfferUseByName(eea, offerName, useName, EntityPermission.READ_WRITE);
075    }
076
077    public void deleteOfferUse(final ExecutionErrorAccumulator eea, final OfferUse offerUse, final BasePK deletedBy) {
078        var contentControl = Session.getModelController(ContentControl.class);
079        var customerControl = Session.getModelController(CustomerControl.class);
080        var salesOrderControl = Session.getModelController(SalesOrderControl.class);
081        var userControl = Session.getModelController(UserControl.class);
082        var wishlistControl = Session.getModelController(WishlistControl.class);
083
084        if(contentControl.countContentCollectionsByDefaultOfferUse(offerUse) == 0
085                && contentControl.countContentCatalogsByDefaultOfferUse(offerUse) == 0
086                && contentControl.countContentCategoriesByDefaultOfferUse(offerUse) == 0
087                && customerControl.countCustomerTypesByDefaultOfferUse(offerUse) == 0
088                && customerControl.countCustomersByInitialOfferUse(offerUse) == 0
089                && salesOrderControl.countSalesOrdersByOfferUse(offerUse) == 0
090                && salesOrderControl.countSalesOrderLinesByOfferUse(offerUse) == 0
091                && userControl.countUserVisitsByOfferUse(offerUse) == 0
092                && wishlistControl.countWishlistsByOfferUse(offerUse) == 0
093                && wishlistControl.countWishlistLinesByOfferUse(offerUse) == 0) {
094            var offerUseControl = Session.getModelController(OfferUseControl.class);
095
096            offerUseControl.deleteOfferUse(offerUse, deletedBy);
097        } else {
098            handleExecutionError(CannotDeleteOfferUseInUseException.class, eea, ExecutionErrors.CannotDeleteOfferUseInUse.name());
099        }
100    }
101
102}