/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */

package pubsub.demo

import grails.events.annotation.gorm.Listener
import groovy.transform.CompileStatic
import org.grails.datastore.mapping.engine.event.PreInsertEvent
import org.springframework.stereotype.Component

@Component
@CompileStatic
class BookChecks {

    @Listener(Book)
    @SuppressWarnings('unused')
    static void checkBook(PreInsertEvent event) {
        String title = event.entityAccess.getPropertyValue('title')
        if (title?.contains('Politics')) {
            throw new IllegalArgumentException('Books about politics not allowed')
        }
    }

    @Listener(Book)
    @SuppressWarnings('unused')
    static void tagFunnyBooks(PreInsertEvent event) {
        String title = event.entityAccess.getPropertyValue('title')
        if(title?.contains('funny')) {
            event.entityAccess.setProperty('title', "Humor - ${title}".toString())
        }
    }

    @Listener(Author)
    @SuppressWarnings('unused')
    static void tagAuthor(PreInsertEvent event) {
        assert event.entityObject instanceof Author
    }
}
