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from werkzeug.utils import redirect
from werkzeug.exceptions import NotFound
from shorty.utils import session, Pagination, render_template, expose, \
validate_url, url_for
from shorty.models import URL
@expose('/')
def new(request):
error = url = ''
if request.method == 'POST':
url = request.form.get('url')
alias = request.form.get('alias')
if not validate_url(url):
error = "I'm sorry but you cannot shorten this URL."
elif alias:
if len(alias) > 140:
error = 'Your alias is too long'
elif '/' in alias:
error = 'Your alias might not include a slash'
elif URL.query.get(alias):
error = 'The alias you have requested exists already'
if not error:
uid = URL(url, 'private' not in request.form, alias).uid
session.commit()
return redirect(url_for('display', uid=uid))
return render_template('new.html', error=error, url=url)
@expose('/display/<uid>')
def display(request, uid):
url = URL.query.get(uid)
if not url:
raise NotFound()
return render_template('display.html', url=url)
@expose('/u/<uid>')
def link(request, uid):
url = URL.query.get(uid)
if not url:
raise NotFound()
return redirect(url.target, 301)
@expose('/list/', defaults={'page': 1})
@expose('/list/<int:page>')
def list(request, page):
query = URL.query.filter_by(public=True)
pagination = Pagination(query, 30, page, 'list')
if pagination.page > 1 and not pagination.entries:
raise NotFound()
return render_template('list.html', pagination=pagination)
def not_found(request):
return render_template('not_found.html')
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