def add_link():
"""Adds a new link for the current user."""
form = LinkForm(request.form,
banlist=[strip_protocol(app.config["LINKSERVER_URL"])])
client = get_db_client(app, g)
if request.method == "POST":
# Validate the form
form.long_url.data = ensure_protocol(form.long_url.data)
if form.validate():
# TODO Decide whether we want to do something with the response
kwargs = form.to_json()
try:
client.create_short_url(
netid=current_user.netid,
**kwargs
)
return redirect("/")
except Exception as e:
return render_template("add.html",
errors=["{}".format(e)],
netid=current_user.netid,
admin=current_user.is_admin())
else:
# WTForms detects a form validation error
return render_template("add.html",
errors=form.errors,
netid=current_user.netid,
admin=current_user.is_admin())
else:
# GET request
return render_template("add.html",
netid=current_user.netid,
admin=current_user.is_admin())
def edit_link():
"""Edits a link.
On POST, this route expects a form that contains the unique short URL that
will be edited.
"""
client = get_db_client(app, g)
form = LinkForm(request.form)
if request.method == "POST":
# Validate form before continuing
if form.long_url.data.startswith(app.config['LINKSERVER_URL']) or form.long_url.data.startswith(app.config['LINKSERVER_URL'][:7]):
return render_template("add.html",
errors=["Blocked Link"],
admin=current_user.is_admin()
)
if form.validate():
# Success - make the edits in the database
kwargs = form.to_json()
response = client.modify_url(
request.form["short_url"],
**kwargs
)
return redirect("/")
else:
form.long_url.data = "http://" + form.long_url.data
# TODO Can we do anything with the database response?
if form.validate():
kwargs = form.to_json()
response = client.modify_url(
request.form["short_url"],
**kwargs
)
return redirect("/")
else:
# Validation error
short_url = request.form["short_url"]
info = client.get_url_info(short_url)
long_url = info["long_url"]
title = info["title"]
return render_template("edit.html",
errors=form.errors,
netid=current_user.netid,
title=title,
short_url=short_url,
long_url=long_url)
else: # GET request
# Hit the database to get information
short_url = request.args["url"]
info = client.get_url_info(short_url)
owner = info["netid"]
if owner != current_user.netid and not current_user.is_admin():
return render_index(wrong_owner=True)
long_url = info["long_url"]
title = info["title"]
# Render the edit template
return render_template("edit.html", netid=current_user.netid,
title=title,
short_url=short_url,
long_url=long_url)