/**
* Sone - Album.kt - Copyright © 2019–2020 David ‘Bombe’ Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package net.pterodactylus.sone.data
/** Returns all images contained in this album and all its albums. */
val Album.allImages: Collection
get() =
images + albums.flatMap(Album::allImages)
/**
* Returns this album and all albums contained in this album (recursively).
* A child album is always listed after its parent.
*/
val Album.allAlbums: List
get() =
listOf(this) + albums.flatMap(Album::allAlbums)
@get:JvmName("notEmpty")
val notEmpty: (Album) -> Boolean = { album ->
album.allImages.let { images ->
images.isNotEmpty() && images.any(Image::isInserted)
}
}