src/main/kotlin/dev/dnpm/etl/processor/functions.kt


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/*
 * This file is part of ETL-Processor
 *
 * Copyright (c) 2023       Comprehensive Cancer Center Mainfranken
 * Copyright (c) 2026  Paul-Christian Volkmer, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package dev.dnpm.etl.processor

import org.springframework.data.domain.Page
import org.springframework.data.domain.PageImpl
import org.springframework.data.domain.Pageable

fun <T : Any> List<T>.toPage(pageable: Pageable): Page<T> {
    return PageImpl(
        this.subList(
            pageable.offset.toInt().coerceIn(0, this.size),
            (pageable.offset.toInt() + pageable.pageSize).coerceIn(0, this.size)
        ),
        pageable,
        this.size.toLong()
    )
}