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hours.py
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hours.py
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#!/usr/bin/env python
#
# Copyright 2009 Facebook
#
# 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 datetime
import time
import os.path
import tornado.web
import tornado.wsgi
import wsgiref.handlers
from google.appengine.api import users
from google.appengine.ext import db
class Entry(db.Model):
DAYS = ('M', 'T', 'W', 'H', 'F', 'S', 'S')
"""A single time entry."""
user = db.UserProperty(required=True, indexed=True)
date = db.DateProperty(required=True, indexed=True)
minutes = db.IntegerProperty()
updated = db.DateTimeProperty(auto_now=True)
@property
def weekday(self):
""" day of the week for this entry """
return self.DAYS[self.date.weekday()]
@property
def hours(self):
""" number of hours for this entry """
if self.minutes and self.minutes > 0:
return self.minutes / 60.0
else:
return ''
@property
def is_today(self):
""" returns a string 'today' or blank if the entry is for today """
if datetime.date.today() == self.date:
return 'today'
else:
return ''
class BaseHandler(tornado.web.RequestHandler):
"""Implements Google Accounts authentication methods."""
def get_current_user(self):
user = users.get_current_user()
if user: user.administrator = users.is_current_user_admin()
return user
def get_login_url(self):
return users.create_login_url(self.request.uri)
def render_string(self, template_name, **kwargs):
# Let the templates access the users module to generate login URLs
return tornado.web.RequestHandler.render_string(
self, template_name, users=users, **kwargs)
def period_dates(period):
""" return a list of dates for a given time period """
return [ datetime.date(2010, period, d) for d in xrange(1, 16)]
class EntryHandler(BaseHandler):
def get(self):
dates = period_dates(5)
# load all entries for the current period
q = Entry.all()
q.filter("user = ", users.get_current_user())
q.filter("date >=", dates[0])
q.filter("date <=", dates[-1])
current_entries = q.fetch(20)
# create empty entries for the dates that don't have entries
all_entries = []
for day in dates:
entry = [e for e in current_entries if e.date == day]
if len(entry) == 0:
all_entries.append(Entry(date=day, user=users.get_current_user()))
else:
all_entries.append(entry[0])
self.render("entry.html", entries=all_entries)
def post(self):
entry_date = datetime.date(*[int(d) for d in self.get_argument("date").split('-')])
entry = Entry.all().filter("user =", self.get_current_user()).filter("date =", entry_date).get()
hours = self.get_argument("hours", "")
if hours == '' or hours == '0':
if entry:
entry.delete()
self.finish("")
else:
minutes = int(float(hours) * 60)
if not entry:
entry = Entry(date=entry_date, user=users.get_current_user())
entry.minutes = minutes
entry.put()
self.finish(str(entry.hours))
class ReportHandler(BaseHandler):
def get(self):
if not self.current_user.administrator:
raise tornado.web.HTTPError(403)
dates = period_dates(5)
# load all entries for the current period
eq = Entry.all()
eq.filter("date >=", dates[0])
eq.filter("date <=", dates[-1])
eq.order("date")
current_entries = eq.fetch(1000)
user_list = {}
for entry in current_entries:
username = entry.user.nickname()
if not user_list.has_key(username):
user_list[username] = []
user_list[username].append(entry)
blank_entries = [Entry(date=d, user=self.current_user) for d in dates]
self.render("report.html", user_list=user_list, blank_entries=blank_entries)
settings = {
"template_path": os.path.join(os.path.dirname(__file__), "templates"),
"xsrf_cookies": True,
}
application = tornado.wsgi.WSGIApplication([
(r'/', EntryHandler),
(r'/admin', ReportHandler),
], **settings)
def main():
os.environ['TZ'] = 'US/Pacific'
time.tzset()
wsgiref.handlers.CGIHandler().run(application)
if __name__ == "__main__":
main()