Files
mediacms/files/models/playlist.py
2025-08-07 13:21:12 +03:00

98 lines
2.9 KiB
Python

import uuid
from django.db import models
from django.urls import reverse
from django.utils.html import strip_tags
from .. import helpers
class Playlist(models.Model):
"""Playlists model"""
add_date = models.DateTimeField(auto_now_add=True, db_index=True)
description = models.TextField(blank=True, help_text="description")
friendly_token = models.CharField(blank=True, max_length=12, db_index=True)
media = models.ManyToManyField("Media", through="playlistmedia", blank=True)
title = models.CharField(max_length=100, db_index=True)
uid = models.UUIDField(unique=True, default=uuid.uuid4)
user = models.ForeignKey("users.User", on_delete=models.CASCADE, db_index=True, related_name="playlists")
def __str__(self):
return self.title
@property
def media_count(self):
return self.media.filter(listable=True).count()
def get_absolute_url(self, api=False):
if api:
return reverse("api_get_playlist", kwargs={"friendly_token": self.friendly_token})
else:
return reverse("get_playlist", kwargs={"friendly_token": self.friendly_token})
@property
def url(self):
return self.get_absolute_url()
@property
def api_url(self):
return self.get_absolute_url(api=True)
def user_thumbnail_url(self):
if self.user.logo:
return helpers.url_from_path(self.user.logo.path)
return None
def set_ordering(self, media, ordering):
if media not in self.media.all():
return False
pm = PlaylistMedia.objects.filter(playlist=self, media=media).first()
if pm and isinstance(ordering, int) and 0 < ordering:
pm.ordering = ordering
pm.save()
return True
return False
def save(self, *args, **kwargs):
strip_text_items = ["title", "description"]
for item in strip_text_items:
setattr(self, item, strip_tags(getattr(self, item, None)))
self.title = self.title[:99]
if not self.friendly_token:
while True:
friendly_token = helpers.produce_friendly_token()
if not Playlist.objects.filter(friendly_token=friendly_token):
self.friendly_token = friendly_token
break
super(Playlist, self).save(*args, **kwargs)
@property
def thumbnail_url(self):
pm = self.playlistmedia_set.filter(media__listable=True).first()
if pm and pm.media.thumbnail:
return helpers.url_from_path(pm.media.thumbnail.path)
return None
class PlaylistMedia(models.Model):
"""Helper model to store playlist specific media"""
action_date = models.DateTimeField(auto_now=True)
media = models.ForeignKey("Media", on_delete=models.CASCADE)
playlist = models.ForeignKey(Playlist, on_delete=models.CASCADE)
ordering = models.IntegerField(default=1)
class Meta:
ordering = ["ordering", "-action_date"]