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.model.control.item.server.transfer;
018
019import javax.inject.Inject;
020import com.echothree.model.control.item.common.transfer.RelatedItemTransfer;
021import com.echothree.model.control.item.server.control.ItemControl;
022import com.echothree.model.data.item.server.entity.RelatedItem;
023import com.echothree.model.data.user.server.entity.UserVisit;
024import javax.enterprise.context.RequestScoped;
025
026@RequestScoped
027public class RelatedItemTransferCache
028        extends BaseItemTransferCache<RelatedItem, RelatedItemTransfer> {
029
030    @Inject
031    ItemControl itemControl;
032
033    /** Creates a new instance of RelatedItemTransferCache */
034    protected RelatedItemTransferCache() {
035        super();
036
037        setIncludeEntityInstance(true);
038    }
039    
040    @Override
041    public RelatedItemTransfer getTransfer(UserVisit userVisit, RelatedItem relatedItem) {
042        var relatedItemTransfer = get(relatedItem);
043        
044        if(relatedItemTransfer == null) {
045            var relatedItemDetail = relatedItem.getLastDetail();
046            var relatedItemType = itemControl.getRelatedItemTypeTransfer(userVisit, relatedItemDetail.getRelatedItemType());
047            var fromItem = itemControl.getItemTransfer(userVisit, relatedItemDetail.getFromItem());
048            var toItem = itemControl.getItemTransfer(userVisit, relatedItemDetail.getToItem());
049            var sortOrder = relatedItemDetail.getSortOrder();
050            
051            relatedItemTransfer = new RelatedItemTransfer(relatedItemType, fromItem, toItem, sortOrder);
052            put(userVisit, relatedItem, relatedItemTransfer);
053        }
054        
055        return relatedItemTransfer;
056    }
057    
058}