Start using classes for Radio playlists and stations (#1422)

* Radio changes WIP

* Fix ups to get it running

* Add migrations

* Convert more code

* Fix broken buttons

* Do not wipe website URL if stream URL hasn't changed

* Handle radio websocket better

* Fix indent

* Add the default station fallback URL back

* Fix up adding radio and m3u radio

* Fix if

* Fix comma

src/tauon/t_modules/t_db_migrate.py

@@ -7,7 +7,7 @@
 from pathlib import Path
 from typing import TYPE_CHECKING
 
-from tauon.t_modules.t_extra import TauonPlaylist, TauonQueueItem
+from tauon.t_modules.t_extra import RadioPlaylist, RadioStation, TauonPlaylist, TauonQueueItem
 
 if TYPE_CHECKING:
 	from tauon.t_modules.t_main import GuiVar, Prefs, StarStore, TrackClass
@@ -28,7 +28,7 @@ def database_migrate(
 	gui: GuiVar,
 	gen_codes: dict[int, str],
 	prefs: Prefs,
-	radio_playlists: list[TauonPlaylist],
+	radio_playlists: list[dict[str, int | str | list[dict[str, str]]]] | list[RadioPlaylist],
 	p_force_queue: list | list[TauonQueueItem],
 	theme: int,
 ) -> tuple[
@@ -40,7 +40,7 @@ def database_migrate(
 	Prefs,
 	GuiVar,
 	dict[int, str],
-	list[TauonPlaylist]]:
+	list[RadioPlaylist]]:
 	"""Migrate database to a newer version if we're behind
 
 	Returns all the objects that could've been possibly changed:
@@ -543,4 +543,28 @@ def database_migrate(
 		multi_playlist = new_multi_playlist
 		p_force_queue = new_queue
 
+	if db_version <= 69:
+		logging.info("Updating database to version 69")
+		new_radio_playlists: list[RadioPlaylist] = []
+		for playlist in radio_playlists:
+			stations: list[RadioStation] = []
+
+			for station in playlist["items"]:
+				stations.append(
+					RadioStation(
+						title=station["title"],
+						stream_url=station["stream_url"],
+						country=station["country"],
+						website_url=station["website_url"],
+						icon=station["icon"],
+						stream_url_fallback=station["stream_url_unresolved"] if "stream_url_unresolved" in station else ""))
+			new_radio_playlists.append(
+				RadioPlaylist(
+					uid=playlist["uid"],
+					name=playlist["name"],
+					scroll=playlist["scroll"] if "scroll" in playlist else 0,
+					stations=stations))
+		radio_playlists = new_radio_playlists
+
+
 	return master_library, multi_playlist, star_store, p_force_queue, theme, prefs, gui, gen_codes, radio_playlists

src/tauon/t_modules/t_extra.py

@@ -35,7 +35,7 @@
 import time
 import urllib.parse
 import zipfile
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import TYPE_CHECKING
 
 from gi.repository import GLib
@@ -45,6 +45,21 @@
 
 	from tauon.t_modules.t_main import TrackClass
 
+@dataclass
+class RadioStation:
+	title:               str
+	stream_url:          str
+	country:             str = ""
+	website_url:         str = ""
+	icon:                str = ""
+	stream_url_fallback: str = ""
+
+@dataclass
+class RadioPlaylist:
+	name:   str
+	uid:    int
+	scroll: int = 0
+	stations: list[RadioStation] = field(default_factory=list)
 
 @dataclass
 class TauonQueueItem: