mirror of
https://github.com/DarrenOfficial/dpaste.git
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80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
from random import SystemRandom
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import mptt
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from .highlight import LEXER_DEFAULT
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R = SystemRandom()
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ONETIME_LIMIT = getattr(settings, 'DPASTE_ONETIME_LIMIT', 2)
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def generate_secret_id(length=None, alphabet=None, tries=0):
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length = length or getattr(settings, 'DPASTE_SLUG_LENGTH', 4)
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alphabet = alphabet or getattr(settings, 'DPASTE_SLUG_CHOICES',
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'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNOPQRSTUVWXYZ1234567890')
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secret_id = ''.join([R.choice(alphabet) for i in range(length)])
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# Check if this slug already exists, if not, return this new slug
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try:
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Snippet.objects.get(secret_id=secret_id)
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except Snippet.DoesNotExist:
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return secret_id
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# Otherwise create a new slug which is +1 character longer than the
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# regular one.
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return generate_secret_id(length=length+1, tries=tries)
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class Snippet(models.Model):
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EXPIRE_TIME = 1
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EXPIRE_KEEP = 2
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EXPIRE_ONETIME = 3
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EXPIRE_CHOICES = (
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(EXPIRE_TIME, _(u'Expire by timestamp')),
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(EXPIRE_KEEP, _(u'Keep Forever')),
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(EXPIRE_ONETIME, _(u'One-Time snippet')),
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)
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secret_id = models.CharField(_(u'Secret ID'), max_length=255, blank=True, null=True,
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unique=True)
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content = models.TextField(_(u'Content'))
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lexer = models.CharField(_(u'Lexer'), max_length=30, default=LEXER_DEFAULT)
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published = models.DateTimeField(_(u'Published'), auto_now_add=True)
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expire_type = models.PositiveSmallIntegerField(_(u'Expire Type'),
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choices=EXPIRE_CHOICES, default=EXPIRE_CHOICES[0][0])
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expires = models.DateTimeField(_(u'Expires'), blank=True, null=True)
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view_count = models.PositiveIntegerField(_('View count'), default=0)
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parent = models.ForeignKey('self', null=True, blank=True, related_name='children')
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class Meta:
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ordering = ('-published',)
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db_table = 'dpaste_snippet'
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def get_linecount(self):
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return len(self.content.splitlines())
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@property
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def remaining_views(self):
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if self.expire_type == self.EXPIRE_ONETIME:
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remaining = ONETIME_LIMIT - self.view_count
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return remaining > 0 and remaining or 0
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return None
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@property
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def is_single(self):
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return self.is_root_node() and not self.get_children()
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def save(self, *args, **kwargs):
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if not self.secret_id:
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self.secret_id = generate_secret_id()
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super(Snippet, self).save(*args, **kwargs)
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def get_absolute_url(self):
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return reverse('snippet_details', kwargs={'snippet_id': self.secret_id})
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def __unicode__(self):
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return self.secret_id
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mptt.register(Snippet, order_insertion_by=['content'])
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