from django import forms
from django.forms import CharField, ModelForm

from webtools import settings

from .models import Paste


class PasteForm(ModelForm):
    """Paste model form."""

    content = CharField(
        max_length=settings.PASTE["max_characters"], strip=False, widget=forms.Textarea
    )

    class Meta:
        model = Paste
        fields = [
            "filename",
            "content",
        ]

    def save(self, commit=True):
        """Overwrites save method."""
        paste = super(PasteForm, self).save(commit=False)
        paste.compute_size()
        if commit:
            paste.save()
        return paste