dpaste/dpaste/forms.py

131 lines
4.4 KiB
Python

import datetime
from django import forms
from django.conf import settings
from django.utils.translation import ugettext_lazy as _
from dpaste.models import Snippet
from dpaste.highlight import LEXER_LIST, LEXER_DEFAULT, LEXER_KEYS
EXPIRE_CHOICES = getattr(settings, 'DPASTE_EXPIRE_CHOICES', (
('onetime', _(u'One Time Snippet')),
(3600, _(u'In one hour')),
(3600 * 24 * 7, _(u'In one week')),
(3600 * 24 * 30, _(u'In one month')),
('never', _(u'Never')),
))
EXPIRE_DEFAULT = getattr(settings, 'DPASTE_EXPIRE_DEFAULT', EXPIRE_CHOICES[3][0])
MAX_CONTENT_LENGTH = getattr(settings, 'DPASTE_MAX_CONTENT_LENGTH', 250*1024*1024)
def get_expire_values(expires):
if expires == u'never':
expire_type = Snippet.EXPIRE_KEEP
expires = None
elif expires == u'onetime':
expire_type = Snippet.EXPIRE_ONETIME
expires = None
else:
expire_type = Snippet.EXPIRE_TIME
expires = expires and expires or EXPIRE_DEFAULT
expires = datetime.datetime.now() + datetime.timedelta(seconds=int(expires))
return expires, expire_type
class SnippetForm(forms.ModelForm):
content = forms.CharField(
label=_('Content'),
widget=forms.Textarea(attrs={'placeholder': _('Awesome code goes here...'), 'class': 'form-control'}),
max_length=MAX_CONTENT_LENGTH,
)
lexer = forms.ChoiceField(
label=_(u'Lexer'),
initial=LEXER_DEFAULT,
choices=LEXER_LIST,
widget=forms.Select(attrs={'class': 'form-control'}),
)
expires = forms.ChoiceField(
label=_(u'Expires'),
choices=EXPIRE_CHOICES,
initial=EXPIRE_DEFAULT,
widget=forms.Select(attrs={'class': 'form-control'}),
)
# Honeypot field
title = forms.CharField(
label=_(u'Title'),
required=False,
widget=forms.TextInput(attrs={'autocomplete': 'off'}),
)
class Meta:
model = Snippet
fields = (
'content',
'lexer',
)
def __init__(self, request, *args, **kwargs):
super(SnippetForm, self).__init__(*args, **kwargs)
self.request = request
# Set the recently used lexer if we have any
session_lexer = self.request.session.get('lexer')
if session_lexer and session_lexer in LEXER_KEYS:
self.fields['lexer'].initial = session_lexer
# if the lexer is given via GET, set it
if 'l' in request.GET and request.GET['l'] in LEXER_KEYS:
self.fields['lexer'].initial = request.GET['l']
def clean_content(self):
content = self.cleaned_data.get('content', '')
if content.strip() == '':
raise forms.ValidationError(_('Plesae fill out this field.'))
return content
def clean_expires(self):
"""
Extract the 'expire_type' from the choice of expire choices.
"""
expires = self.cleaned_data['expires']
expires, expire_type = get_expire_values(expires)
self.cleaned_data['expire_type'] = expire_type
return expires
def clean(self):
"""
The `title` field is a hidden honeypot field. If its filled,
this is likely spam.
"""
if self.cleaned_data.get('title'):
raise forms.ValidationError('This snippet was identified as Spam.')
return self.cleaned_data
def save(self, parent=None, *args, **kwargs):
MAX_SNIPPETS_PER_USER = getattr(settings, 'DPASTE_MAX_SNIPPETS_PER_USER', 10)
# Set parent snippet
self.instance.parent = parent
# Add expire datestamp. None indicates 'keep forever', use the default
# null state of the db column for that.
self.instance.expires = self.cleaned_data['expires']
self.instance.expire_type = self.cleaned_data['expire_type']
# Save snippet in the db
super(SnippetForm, self).save(*args, **kwargs)
# Add the snippet to the user session list
if self.request.session.get('snippet_list', False):
if len(self.request.session['snippet_list']) >= MAX_SNIPPETS_PER_USER:
self.request.session['snippet_list'].pop(0)
self.request.session['snippet_list'] += [self.instance.pk]
else:
self.request.session['snippet_list'] = [self.instance.pk]
# Save the lexer in the session so we can use it later again
self.request.session['lexer'] = self.cleaned_data['lexer']
return self.instance