mirror of
https://github.com/tcsenpai/swingmusic.git
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139 lines
3.5 KiB
Python
139 lines
3.5 KiB
Python
"""
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This library contains all the functions related to playlists.
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"""
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import os
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import random
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import string
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from datetime import datetime
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from tqdm import tqdm
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from app import api
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from app import exceptions
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from app import instances
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from app import models
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from app import settings
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from app.lib import trackslib
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from PIL import Image
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from PIL import ImageSequence
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from progress.bar import Bar
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from werkzeug import datastructures
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TrackExistsInPlaylist = exceptions.TrackExistsInPlaylist
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def add_track(playlistid: str, trackid: str):
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"""
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Adds a track to a playlist in the api.PLAYLISTS dict and to the database.
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"""
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for playlist in api.PLAYLISTS:
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if playlist.playlistid == playlistid:
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tt = trackslib.get_track_by_id(trackid)
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track = {
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"title": tt.title,
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"artists": tt.artists,
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"album": tt.album,
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}
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try:
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playlist.add_track(track)
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instances.playlist_instance.add_track_to_playlist(
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playlistid, track)
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return
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except TrackExistsInPlaylist as error:
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raise error
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def get_playlist_tracks(pid: str):
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for p in api.PLAYLISTS:
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if p.playlistid == pid:
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return p.tracks
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def create_all_playlists():
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"""
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Gets all playlists from the database.
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"""
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playlists = instances.playlist_instance.get_all_playlists()
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for playlist in tqdm(playlists, desc="Creating playlists"):
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api.PLAYLISTS.append(models.Playlist(playlist))
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validate_images()
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def create_thumbnail(image: any, img_path: str) -> str:
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"""
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Creates a 250 x 250 thumbnail from a playlist image
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"""
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thumb_path = "thumb_" + img_path
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full_thumb_path = os.path.join(settings.APP_DIR, "images", "playlists",
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thumb_path)
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aspect_ratio = image.width / image.height
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new_w = round(250 * aspect_ratio)
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thumb = image.resize((new_w, 250), Image.ANTIALIAS)
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thumb.save(full_thumb_path, "webp")
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return thumb_path
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def save_p_image(file: datastructures.FileStorage, pid: str):
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"""
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Saves the image of a playlist to the database.
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"""
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img = Image.open(file)
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random_str = "".join(
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random.choices(string.ascii_letters + string.digits, k=5))
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img_path = pid + str(random_str) + ".webp"
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full_img_path = os.path.join(settings.APP_DIR, "images", "playlists",
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img_path)
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if file.content_type == "image/gif":
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frames = []
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for frame in ImageSequence.Iterator(img):
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frames.append(frame.copy())
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frames[0].save(full_img_path, save_all=True, append_images=frames[1:])
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thumb_path = create_thumbnail(img, img_path=img_path)
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return img_path, thumb_path
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img.save(full_img_path, "webp")
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thumb_path = create_thumbnail(img, img_path=img_path)
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return img_path, thumb_path
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def validate_images():
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"""
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Removes all unused images in the images/playlists folder.
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"""
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images = []
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for playlist in api.PLAYLISTS:
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if playlist.image:
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img_path = playlist.image.split("/")[-1]
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thumb_path = playlist.thumb.split("/")[-1]
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images.append(img_path)
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images.append(thumb_path)
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p_path = os.path.join(settings.APP_DIR, "images", "playlists")
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for image in os.listdir(p_path):
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if image not in images:
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os.remove(os.path.join(p_path, image))
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def create_new_date():
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return datetime.now()
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