119 lines
3.7 KiB
Python
119 lines
3.7 KiB
Python
import datetime
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from django import forms
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from django.apps import apps
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from django.utils.translation import ugettext_lazy as _
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from .highlight import LEXER_CHOICES, LEXER_DEFAULT, LEXER_KEYS
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from .models import Snippet
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config = apps.get_app_config('dpaste')
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def get_expire_values(expires):
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if expires == 'never':
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expire_type = Snippet.EXPIRE_KEEP
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expires = None
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elif expires == 'onetime':
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expire_type = Snippet.EXPIRE_ONETIME
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expires = None
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else:
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expire_type = Snippet.EXPIRE_TIME
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expires = expires and expires or config.EXPIRE_DEFAULT
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expires = datetime.datetime.now() + datetime.timedelta(
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seconds=int(expires)
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)
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return expires, expire_type
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class SnippetForm(forms.ModelForm):
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content = forms.CharField(
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label=_('Content'),
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widget=forms.Textarea(
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attrs={'placeholder': _('Awesome code goes here...')}
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),
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max_length=config.MAX_CONTENT_LENGTH,
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strip=False,
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)
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lexer = forms.ChoiceField(
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label=_('Lexer'), initial=LEXER_DEFAULT, choices=LEXER_CHOICES
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)
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expires = forms.ChoiceField(
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label=_('Expires'),
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choices=config.EXPIRE_CHOICES,
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initial=config.EXPIRE_DEFAULT,
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)
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rtl = forms.BooleanField(label=_('Right to Left'), required=False)
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# Honeypot field
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title = forms.CharField(
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label=_('Title'),
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required=False,
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widget=forms.TextInput(attrs={'autocomplete': 'off'}),
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)
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class Meta:
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model = Snippet
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fields = ('content', 'lexer', 'rtl')
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def __init__(self, request, *args, **kwargs):
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super(SnippetForm, self).__init__(*args, **kwargs)
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self.request = request
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# Set the recently used lexer if we have any
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session_lexer = self.request.session.get('lexer')
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if session_lexer and session_lexer in LEXER_KEYS:
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self.fields['lexer'].initial = session_lexer
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# if the lexer is given via GET, set it
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if 'l' in request.GET and request.GET['l'] in LEXER_KEYS:
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self.fields['lexer'].initial = request.GET['l']
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def clean_content(self):
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content = self.cleaned_data.get('content', '')
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if not content.strip():
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raise forms.ValidationError(_('This field is required.'))
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return content
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def clean_expires(self):
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"""
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Extract the 'expire_type' from the choice of expire choices.
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"""
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expires = self.cleaned_data['expires']
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expires, expire_type = get_expire_values(expires)
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self.cleaned_data['expire_type'] = expire_type
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return expires
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def clean(self):
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"""
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The `title` field is a hidden honeypot field. If its filled,
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this is likely spam.
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"""
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if self.cleaned_data.get('title'):
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raise forms.ValidationError('This snippet was identified as Spam.')
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return self.cleaned_data
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def save(self, parent=None, *args, **kwargs):
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# Set parent snippet
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self.instance.parent = parent
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# Add expire timestamp. None indicates 'keep forever', use the default
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# null state of the db column for that.
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self.instance.expires = self.cleaned_data['expires']
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self.instance.expire_type = self.cleaned_data['expire_type']
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# Save snippet in the db
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super(SnippetForm, self).save(*args, **kwargs)
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# Add the snippet to the user session list
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self.request.session.setdefault('snippet_list', [])
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self.request.session['snippet_list'] += [self.instance.pk]
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# Save the lexer in the session so we can use it later again
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self.request.session['lexer'] = self.cleaned_data['lexer']
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return self.instance
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