/
main.py
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/
main.py
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# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import flask
import functions_framework
from app import get_index_context, init_connection_pool, migrate_db, save_vote
############ TABS vs. SPACES App for Cloud Functions ############
# lazy global initialization
# db connection must be established within request context
db = None
@functions_framework.http
def votes(request: flask.Request) -> flask.Response:
global db
# initialize db within request context
if not db:
# initiate a connection pool to a Cloud SQL database
db = init_connection_pool()
# creates required 'votes' table in database (if it does not exist)
migrate_db(db)
if request.method == "GET":
context = get_index_context(db)
return flask.render_template("index.html", **context)
if request.method == "POST":
team = request.form["team"]
return save_vote(db, team)
return flask.Response(
response="Invalid http request. Method not allowed, must be 'GET' or 'POST'",
status=400,
)