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55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
from django import forms
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from .models import Pin
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class PinForm(forms.ModelForm):
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url = forms.CharField(label='url', required=False)
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image = forms.ImageField(label='or Upload', required=False)
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class Meta:
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model = Pin
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fields = ['url', 'description', 'tags']
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def check_if_image(self, data):
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# Test file type
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image_file_types = ['png', 'gif', 'jpeg', 'jpg']
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file_type = data.split('.')[-1]
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if file_type.lower() not in image_file_types:
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raise forms.ValidationError("Requested URL is not an image file. "
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"Only images are currently supported.")
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def clean(self):
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cleaned_data = super(PinForm, self).clean()
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url = cleaned_data.get('url')
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image = cleaned_data.get('image')
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if url:
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self.check_if_image(url)
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try:
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Pin.objects.get(url=url)
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raise forms.ValidationError("URL has already been pinned!")
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except Pin.DoesNotExist:
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protocol = url.split(':')[0]
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if protocol == 'http':
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opp_url = url.replace('http://', 'https://')
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elif protocol == 'https':
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opp_url = url.replace('https://', 'http://')
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else:
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raise forms.ValidationError("Currently only support HTTP and "
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"HTTPS protocols, please be sure "
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"you include this in the URL.")
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try:
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Pin.objects.get(url=opp_url)
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raise forms.ValidationError("URL has already been pinned!")
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except Pin.DoesNotExist:
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pass
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elif image:
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pass
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else:
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raise forms.ValidationError("Need either a URL or Upload.")
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return cleaned_data
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