def post(self, request):
form = UrlForm(request.POST)
if form.is_valid():
full_url = form.cleaned_data.get('full_url')
url_code = generate_short_code()
Url.objects.create(url_code=url_code, full_url=full_url)
return HttpResponseRedirect(
reverse('shortener:success', kwargs={'url_code': url_code}))
return HttpResponseRedirect(reverse('shortener:error'))
def post(self, request):
form = UrlForm(data=request.POST)
if form.is_valid():
# check if url exists in DB
try:
url = UrlModel.objects.get(url=form.cleaned_data['url'])
except UrlModel.DoesNotExist:
url = form.save(commit=False)
# generates random slug
slug = get_random_string(length=6)
while UrlModel.objects.filter(slug=slug).exists():
slug = get_random_string(length=6)
url.slug = slug
url.save()
return render(request, 'base.html', context={'new_url': url})
return render(request, 'base.html', context={'form_errors': form.errors})
def shorten_url(request):
if request.method == 'GET':
form = UrlForm()
return render(request, 'shorten_url.html', { 'form': form } )
else:
url = UrlForm(request.POST)
if url.is_valid():
url = Url.objects.create(original=url.cleaned_data['original'],
short=generate_short_url())
request.session["short_url"]=url.short
return HttpResponseRedirect('../show_url.html' )
else:
form = UrlForm()
return render(request, 'shorten_url.html', {
'form': form,
'error_message': "Invalid input. Try something like 'http://www.cnn.com'",
} )
def url_form_handler(request):
"""
Направляет на домашнюю страницу и обрабатывает форму
"""
urls_from_db = ShortUrls.objects.all()
if request.method == 'GET':
context = {
'form': UrlForm(),
'urls_from_db': urls_from_db,
'HOST': HOST
}
return render(request, 'shortener/home.html', context)
elif request.method == "POST":
form = UrlForm(request.POST)
if form.is_valid():
long_url = form.cleaned_data.get('long_url')
if ShortUrls.objects.filter(long_url=long_url).exists():
current_url = ShortUrls.objects.get(long_url=long_url)
context = {
'short_url': f'{HOST}/{current_url.short_url}',
'HOST': HOST
}
return render(request, 'shortener/edit_url.html', context)
else:
current_url = ShortUrls(long_url=long_url)
current_url.save()
current_url.short_url = base_62_encode(current_url.id)
current_url.save()
context = {
'short_url': f'{HOST}/{current_url.short_url}',
'HOST': HOST
}
return render(request, 'shortener/edit_url.html', context)
else:
errors = form.errors
return HttpResponse(errors)
else:
return HttpResponse('INVALID REQUEST')
def url_form_handler(request):
"""Directs to home_page and handles form"""
urls_from_db = Url.objects.all()
if request.method == 'GET':
context = {
'form': UrlForm(),
'urls_from_db': urls_from_db,
'HOST': HOST
}
return render(request, 'shortener/home_page.html', context)
elif request.method == 'POST':
form = UrlForm(request.POST)
if form.is_valid():
long_url = form.cleaned_data.get('long_url')
if Url.objects.filter(long_url=long_url).exists():
current_url = Url.objects.get(long_url=long_url)
context = {
'short_url': f'{HOST}/{current_url.short_url}',
'HOST': HOST
}
return render(request, 'shortener/to_short_url.html', context)
else:
current_url = Url(long_url=long_url)
current_url.save()
current_url.short_url = base_62_encode(current_url.id)
current_url.save()
context = {
'short_url': f'{HOST}/{current_url.short_url}',
'HOST': HOST
}
return render(request, 'shortener/to_short_url.html', context)
else:
errors = form.errors
return HttpResponse(errors)
else:
return HttpResponse('INVALID REQUEST')
def shorten(request):
if request.method == "POST":
form = UrlForm(request.POST)
if form.is_valid():
url = form.save(commit=True)
return redirect('index')
def get(self, request):
ctx = {'form': UrlForm()}
return render(request,
template_name='shortener/shortener.html',
context=ctx)
def test_form_invalid(self):
form_data = {'full_url': 'invalid_url.'}
form = UrlForm(data=form_data)
self.assertEqual(form.is_valid(), False)
def test_form_valid(self):
form_data = {'full_url': 'https://www.google.com/'}
form = UrlForm(data=form_data)
self.assertEqual(form.is_valid(), True)
