Files
swingmusic-extended/app/lib/playlistlib.py
T
cwilvx b0e904c84f port search to stores
+ fix favorites
2024-07-27 21:44:33 +03:00

132 lines
3.2 KiB
Python

"""
This library contains all the functions related to playlists.
"""
import os
import random
import string
from typing import Any
from PIL import Image, ImageSequence
from app import settings
from app.db.libdata import TrackTable
from app.models.track import Track
from app.store.albums import AlbumStore
def create_thumbnail(image: Any, img_path: str) -> str:
"""
Creates a 250 x 250 thumbnail from a playlist image
"""
thumb_path = "thumb_" + img_path
full_thumb_path = os.path.join(
settings.Paths.get_app_dir(), "images", "playlists", thumb_path
)
aspect_ratio = image.width / image.height
new_w = round(250 * aspect_ratio)
thumb = image.resize((new_w, 250), Image.ANTIALIAS)
thumb.save(full_thumb_path, "webp")
return thumb_path
def create_gif_thumbnail(image: Any, img_path: str):
"""
Creates a 250 x 250 thumbnail from a playlist image
"""
thumb_path = "thumb_" + img_path
full_thumb_path = os.path.join(
settings.Paths.get_app_dir(), "images", "playlists", thumb_path
)
frames = []
for frame in ImageSequence.Iterator(image):
aspect_ratio = frame.width / frame.height
new_w = round(250 * aspect_ratio)
thumb = frame.resize((new_w, 250), Image.ANTIALIAS)
frames.append(thumb)
frames[0].save(full_thumb_path, save_all=True, append_images=frames[1:])
return thumb_path
def save_p_image(
img: Image, pid: int, content_type: str = None, filename: str = None
) -> str:
"""
Saves a playlist banner image and returns the filepath.
"""
# img = Image.open(file)
random_str = "".join(random.choices(string.ascii_letters + string.digits, k=5))
if not filename:
filename = str(pid) + str(random_str) + ".webp"
full_img_path = os.path.join(settings.Paths.get_playlist_img_path(), filename)
if content_type == "image/gif":
frames = []
for frame in ImageSequence.Iterator(img):
frames.append(frame.copy())
frames[0].save(full_img_path, save_all=True, append_images=frames[1:])
create_gif_thumbnail(img, img_path=filename)
return filename
img.save(full_img_path, "webp")
create_thumbnail(img, img_path=filename)
return filename
def duplicate_images(images: list):
if len(images) == 1:
images *= 4
elif len(images) == 2:
images += list(reversed(images))
elif len(images) == 3:
images = images + images[:1]
return images
def get_first_4_images(
tracks: list[Track] = [], trackhashes: list[str] = []
) -> list[dict["str", str]]:
if len(trackhashes) > 0:
# tracks = TrackStore.get_tracks_by_trackhashes(trackhashes)
tracks = TrackTable.get_tracks_by_trackhashes(trackhashes)
albums = []
for track in tracks:
if track.albumhash not in albums:
albums.append(track.albumhash)
if len(albums) == 4:
break
albums = AlbumStore.get_albums_by_hashes(albums)
images = [
{
"image": album.image,
"color": album.color,
}
for album in albums
]
if len(images) == 4:
return images
return duplicate_images(images)