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.contactlist.server.logic;
018
019import com.echothree.model.control.contactlist.common.exception.UnknownContactListGroupNameException;
020import com.echothree.model.control.contactlist.server.control.ContactListControl;
021import com.echothree.model.data.contactlist.server.entity.ContactListGroup;
022import com.echothree.util.common.message.ExecutionErrors;
023import com.echothree.util.server.control.BaseLogic;
024import com.echothree.util.server.message.ExecutionErrorAccumulator;
025import com.echothree.util.server.persistence.Session;
026import javax.enterprise.context.ApplicationScoped;
027import javax.enterprise.inject.spi.CDI;
028
029@ApplicationScoped
030public class ContactListGroupLogic
031    extends BaseLogic {
032
033    protected ContactListGroupLogic() {
034        super();
035    }
036
037    public static ContactListGroupLogic getInstance() {
038        return CDI.current().select(ContactListGroupLogic.class).get();
039    }
040    
041    public ContactListGroup getContactListGroupByName(final ExecutionErrorAccumulator eea, final String contactListGroupName) {
042        var contactListControl = Session.getModelController(ContactListControl.class);
043        var contactListGroup = contactListControl.getContactListGroupByName(contactListGroupName);
044
045        if(contactListGroup == null) {
046            handleExecutionError(UnknownContactListGroupNameException.class, eea, ExecutionErrors.UnknownContactListGroupName.name(), contactListGroupName);
047        }
048
049        return contactListGroup;
050    }
051    
052}