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.chain.server.transfer;
018
019import javax.inject.Inject;
020import com.echothree.model.control.chain.common.transfer.ChainDescriptionTransfer;
021import com.echothree.model.control.chain.server.control.ChainControl;
022import com.echothree.model.data.chain.server.entity.ChainDescription;
023import com.echothree.model.data.user.server.entity.UserVisit;
024import javax.enterprise.context.RequestScoped;
025
026@RequestScoped
027public class ChainDescriptionTransferCache
028        extends BaseChainDescriptionTransferCache<ChainDescription, ChainDescriptionTransfer> {
029
030    @Inject
031    ChainControl chainControl;
032
033    /** Creates a new instance of ChainDescriptionTransferCache */
034    protected ChainDescriptionTransferCache() {
035        super();
036    }
037    
038    public ChainDescriptionTransfer getChainDescriptionTransfer(UserVisit userVisit, ChainDescription chainDescription) {
039        var chainDescriptionTransfer = get(chainDescription);
040        
041        if(chainDescriptionTransfer == null) {
042            var chainTransfer = chainControl.getChainTransfer(userVisit, chainDescription.getChain());
043            var languageTransfer = partyControl.getLanguageTransfer(userVisit, chainDescription.getLanguage());
044            
045            chainDescriptionTransfer = new ChainDescriptionTransfer(languageTransfer, chainTransfer, chainDescription.getDescription());
046            put(userVisit, chainDescription, chainDescriptionTransfer);
047        }
048        
049        return chainDescriptionTransfer;
050    }
051    
052}