""" BAPSicle Server Next-gen audio playout server for University Radio York playout, based on WebStudio interface. MyRadio API Handler In an ideal world, this module gives out and is fed PlanItems. This means it can be swapped for a different backend in the (unlikely) event someone else wants to integrate BAPsicle with something else. Authors: Matthew Stratford Michael Grace Date: November 2020 """ from typing import Optional import aiohttp import json from logging import INFO import os from baps_types.plan import PlanItem from helpers.os_environment import resolve_external_file_path from helpers.logging_manager import LoggingManager from helpers.state_manager import StateManager class MyRadioAPI: logger: LoggingManager config: StateManager def __init__(self, logger: LoggingManager, config: StateManager): self.logger = logger self.config = config async def get(self, url, timeout=10): async with aiohttp.ClientSession(read_timeout=timeout) as session: async with session.get(url) as response: if response.status != 200: self._logException( "Failed to get API request. Status code: " + str(response.status) ) self._logException(str(response.text())) return await response.read() async def get_non_api_call(self, url): url = "{}{}".format(self.config.state["myradio_base_url"], url) if "?" in url: url += "&api_key={}".format(self.config.state["myradio_api_key"]) else: url += "?api_key={}".format(self.config.state["myradio_api_key"]) self._log("Requesting non-API URL: " + url) request = self.get(url) self._log("Finished request.") return request async def get_apiv2_call(self, url): url = "{}/v2{}".format(self.config.state["myradio_api_url"], url) if "?" in url: url += "&api_key={}".format(self.config.state["myradio_api_key"]) else: url += "?api_key={}".format(self.config.state["myradio_api_key"]) self._log("Requesting API V2 URL: " + url) request = self.get(url) self._log("Finished request.") return request # Show plans async def get_showplans(self): url = "/timeslot/currentandnextobjects?n=10" request = await self.get_apiv2_call(url) if not request: self._logException("Failed to get list of show plans.") return None payload = json.loads(await request)["payload"] if not payload["current"]: self._logException("API did not return a current show.") if not payload["next"]: self._logException("API did not return a list of next shows.") shows = [] shows.append(payload["current"]) shows.extend(payload["next"]) timeslots = [] # Remove jukebox etc for show in shows: if not "timeslot_id" in show: shows.remove(show) # TODO filter out jukebox return shows async def get_showplan(self, timeslotid: int): url = "/timeslot/{}/showplan".format(timeslotid) request = await self.get_apiv2_call(url) if not request: self._logException("Failed to get show plan.") return None return json.loads(await request)["payload"] # Audio Library async def get_filename(self, item: PlanItem): format = "mp3" # TODO: Maybe we want this customisable? if item.trackid: itemType = "track" id = item.trackid url = "/NIPSWeb/secure_play?trackid={}&{}".format(id, format) elif item.managedid: itemType = "managed" id = item.managedid url = "/NIPSWeb/managed_play?managedid={}".format(id) else: return None # Now check if the file already exists path: str = resolve_external_file_path("/music-tmp/") if not os.path.isdir(path): self._log("Music-tmp folder is missing, attempting to create.") try: os.mkdir(path) except Exception as e: self._logException("Failed to create music-tmp folder: {}".format(e)) return None filename: str = resolve_external_file_path( "/music-tmp/{}-{}.{}".format(itemType, id, format) ) if os.path.isfile(filename): return filename # File doesn't exist, download it. request = await self.get_non_api_call(url) if not request: return None try: with open(filename, "wb") as file: file.write(await request) except Exception as e: self._logException("Failed to write music file: {}".format(e)) return None return filename # Gets the list of managed music playlists. async def get_playlist_music(self): url = "/playlist/allitonesplaylists" request = await self.get_apiv2_call(url) if not request: self._logException("Failed to retrieve music playlists.") return None return json.loads(await request)["payload"] # Gets the list of managed aux playlists (sfx, beds etc.) async def get_playlist_aux(self): url = "/nipswebPlaylist/allmanagedplaylists" request = await self.get_apiv2_call(url) if not request: self._logException("Failed to retrieve music playlists.") return None return json.loads(await request)["payload"] # Loads the playlist items for a certain managed aux playlist async def get_playlist_aux_items(self, library_id: str): # Sometimes they have "aux-", we only need the index. if library_id.index("-") > -1: library_id = library_id[library_id.index("-") + 1:] url = "/nipswebPlaylist/{}/items".format(library_id) request = await self.get_apiv2_call(url) if not request: self._logException( "Failed to retrieve items for aux playlist {}.".format(library_id) ) return None return json.loads(await request)["payload"] # Loads the playlist items for a certain managed playlist async def get_playlist_music_items(self, library_id: str): url = "/playlist/{}/tracks".format(library_id) request = await self.get_apiv2_call(url) if not request: self._logException( "Failed to retrieve items for music playlist {}.".format(library_id) ) return None return json.loads(await request)["payload"] async def get_track_search( self, title: Optional[str], artist: Optional[str], limit: int = 100 ): url = "/track/search?title={}&artist={}&digitised=1&limit={}".format( title if title else "", artist if artist else "", limit ) request = await self.get_apiv2_call(url) if not request: self._logException("Failed to search for track.") return None return json.loads(await request)["payload"] def _log(self, text: str, level: int = INFO): self.logger.log.log(level, "MyRadio API: " + text) def _logException(self, text: str): self.logger.log.exception("MyRadio API: " + text)