DidlItem.kt

67 lines · 2.5 KB

Changed in: 0.5.0

1	package dev.stave.domain.model
2
3	import kotlin.time.Duration
4
5	/**
6	* A single entry returned by a ContentDirectory Browse() call.
7	* Either a Container (navigable) or a Track (playable) — images/playlists come later.
8	*
9	* The [extras] map preserves non-standard properties MinimServer exposes via
10	* upnp:userAnnotation — Work, Group, DiscSubtitle, etc. — so the UI can render them
11	* without the parser having to know the full list ahead of time.
12	*/
13	sealed class DidlItem {
14	abstract val id: String
15	abstract val parentId: String
16	abstract val title: String
17	abstract val extras: Map<String, String>
18
19	data class Container(
20	override val id: String,
21	override val parentId: String,
22	override val title: String,
23	val childCount: Int?,
24	val albumArtUri: String?,
25	val upnpClass: String,
26	/** Album artist / creator for album containers — null for generic folders. */
27	val artist: String?,
28	/** True for MinimServer's synthetic entries: `>> Show All`, `[folder view]`, disc headings. */
29	val isSynthetic: Boolean,
30	override val extras: Map<String, String> = emptyMap(),
31	) : DidlItem() {
32	val isAlbum: Boolean get() = upnpClass.contains("musicAlbum", ignoreCase = true)
33
34	/** True for genre containers (`object.container.genre.musicGenre` and
35	* friends). Gates the "Play 42 random <Genre> tracks" context action;
36	* mirrors the Android `DidlItem.Container.isGenre` helper. */
37	val isGenre: Boolean get() = upnpClass.contains("genre", ignoreCase = true)
38	}
39
40	data class Track(
41	override val id: String,
42	override val parentId: String,
43	override val title: String,
44	val artist: String?,
45	val albumArtist: String?,
46	val album: String?,
47	val composer: String?,
48	val genre: String?,
49	val date: String?,
50	val trackNumber: Int?,
51	val discNumber: Int?,
52	val duration: Duration?,
53	val albumArtUri: String?,
54	val resourceUrl: String,
55	val mimeType: String?,
56	val sampleFrequency: Int?,
57	val bitsPerSample: Int?,
58	val channels: Int?,
59	val bitrate: Int?,
60	val size: Long?,
61	override val extras: Map<String, String> = emptyMap(),
62	) : DidlItem() {
63	val isLossless: Boolean get() = mimeType?.let {
64	it.contains("flac") \|\| it.contains("wav") \|\| it.contains("alac") \|\| it.contains("aiff")
65	} ?: false
66	}
67	}