def funnel():
try:
start_date = request.args.get('start_date')
end_date = request.args.get('end_date')
if start_date is None or end_date is None:
return jsonify_error(400, "start_date and end_date are required")
try:
start_date = datetime.strptime(start_date, '%Y-%m-%d')
end_date = datetime.strptime(end_date, '%Y-%m-%d')
except ValueError:
return jsonify_error(400, 'start_date and end_date are expected in YYYY-MM-DD format')
if start_date > end_date:
return jsonify_error(400, 'start_date should be before end_date')
resp = {}
results = query_db(FUNNEL_QUERY, [start_date, end_date], one=False)
for result in results:
#bucket = week_bucket(datetime.strptime(result['c'], "%Y-%m-%d").date())
bucket = DATE_TO_WEEK_CACHE.get(result['c'])
if bucket is None:
bucket = week_bucket(datetime.strptime(result['c'], "%Y-%m-%d").date())
DATE_TO_WEEK_CACHE[result['c']] = bucket
counts_dict = resp.setdefault(bucket, {})
workflow_state = result['workflow_state']
if not workflow_state:
continue
if workflow_state and workflow_state not in counts_dict:
counts_dict[workflow_state] = 0
counts_dict[workflow_state] += result['cnt']
#st = e
return jsonify(resp)
except Exception as e:
print e
return jsonify_error(500, 'Internal server error')
def create_app():
#Assuming start date as 2014-01-01 and end date as 2014-12-31
start_date = datetime.strptime('2014-01-01', '%Y-%m-%d').date()
end_date = datetime.strptime('2014-12-31', '%Y-%m-%d').date()
while start_date < end_date:
DATE_TO_WEEK_CACHE[str(start_date)] = week_bucket(start_date)
start_date += timedelta(days=1)
return Flask(__name__)
