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111 lines
3.1 KiB
111 lines
3.1 KiB
6 months ago
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import os
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from django.conf import settings
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from django.db import models
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from django.dispatch import receiver
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class VideoQuerySet(models.query.QuerySet):
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def get_count(self):
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return self.count()
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def get_published_count(self):
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return self.filter(status=0).count()
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def get_not_published_count(self):
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return self.filter(status=1).count()
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def get_published_list(self):
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return self.filter(status=0).order_by('-create_time')
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def get_search_list(self, q):
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if q:
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return self.filter(title__contains=q).order_by('-create_time')
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else:
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return self.order_by('-create_time')
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def get_recommend_list(self):
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return self.filter(status=0).order_by('-view_count')[:4]
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class Classification(models.Model):
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list_display = ("title",)
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title = models.CharField(max_length=100,blank=True, null=True)
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status = models.BooleanField(default=True)
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def __str__(self):
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return self.title
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class Meta:
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db_table = "v_classification"
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class Video(models.Model):
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STATUS_CHOICES = (
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('0', '发布中'),
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('1', '未发布'),
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)
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title = models.CharField(max_length=100,blank=True, null=True)
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desc = models.CharField(max_length=255,blank=True, null=True)
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classification = models.ForeignKey(Classification, on_delete=models.CASCADE, null=True)
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file = models.FileField(max_length=255)
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cover = models.ImageField(upload_to='cover/',blank=True, null=True)
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status = models.CharField(max_length=1 ,choices=STATUS_CHOICES, blank=True, null=True)
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view_count = models.IntegerField(default=0, blank=True)
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liked = models.ManyToManyField(settings.AUTH_USER_MODEL,
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blank=True, related_name="liked_videos")
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collected = models.ManyToManyField(settings.AUTH_USER_MODEL,
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blank=True, related_name="collected_videos")
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create_time = models.DateTimeField(auto_now_add=True, blank=True, max_length=20)
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objects = VideoQuerySet.as_manager()
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class Meta:
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db_table = "v_video"
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def increase_view_count(self):
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self.view_count += 1
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self.save(update_fields=['view_count'])
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def switch_like(self, user):
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if user in self.liked.all():
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self.liked.remove(user)
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else:
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self.liked.add(user)
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def count_likers(self):
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return self.liked.count()
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def user_liked(self, user):
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if user in self.liked.all():
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return 0
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else:
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return 1
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def switch_collect(self, user):
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if user in self.collected.all():
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self.collected.remove(user)
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else:
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self.collected.add(user)
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def count_collecters(self):
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return self.collected.count()
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def user_collected(self, user):
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if user in self.collected.all():
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return 0
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else:
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return 1
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@receiver(models.signals.post_delete, sender=Video)
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def auto_delete_file_on_delete(sender, instance, **kwargs):
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"""
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删除FileField文件
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"""
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if instance.file:
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if os.path.isfile(instance.file.path):
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os.remove(instance.file.path)
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