429 lines
17 KiB
Python
Executable file
429 lines
17 KiB
Python
Executable file
#!/usr/bin/env python
|
|
"""Event Man(ager)
|
|
|
|
Your friendly manager of attendees at an event.
|
|
|
|
Copyright 2015 Davide Alberani <da@erlug.linux.it>
|
|
RaspiBO <info@raspibo.org>
|
|
|
|
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 os
|
|
import glob
|
|
import json
|
|
import datetime
|
|
|
|
import tornado.httpserver
|
|
import tornado.ioloop
|
|
import tornado.options
|
|
from tornado.options import define, options
|
|
import tornado.web
|
|
from tornado import gen, escape, process
|
|
|
|
import utils
|
|
import backend
|
|
|
|
ENCODING = 'utf8'
|
|
PROCESS_TIMEOUT = 60
|
|
|
|
|
|
class BaseHandler(tornado.web.RequestHandler):
|
|
"""Base class for request handlers."""
|
|
_bool_convert = {
|
|
'0': False,
|
|
'n': False,
|
|
'f': False,
|
|
'no': False,
|
|
'off': False,
|
|
'false': False
|
|
}
|
|
|
|
def tobool(self, obj):
|
|
if isinstance(obj, (list, tuple)):
|
|
obj = obj[0]
|
|
if isinstance(obj, (str, unicode)):
|
|
obj = obj.lower()
|
|
return bool(self._bool_convert.get(obj, obj))
|
|
|
|
def initialize(self, **kwargs):
|
|
"""Add every passed (key, value) as attributes of the instance."""
|
|
for key, value in kwargs.iteritems():
|
|
setattr(self, key, value)
|
|
|
|
|
|
class RootHandler(BaseHandler):
|
|
"""Handler for the / path."""
|
|
angular_app_path = os.path.join(os.path.dirname(__file__), "angular_app")
|
|
|
|
@gen.coroutine
|
|
def get(self, *args, **kwargs):
|
|
# serve the ./angular_app/index.html file
|
|
with open(self.angular_app_path + "/index.html", 'r') as fd:
|
|
self.write(fd.read())
|
|
|
|
|
|
class CollectionHandler(BaseHandler):
|
|
"""Base class for handlers that need to interact with the database backend.
|
|
|
|
Introduce basic CRUD operations."""
|
|
# set of documents we're managing (a collection in MongoDB or a table in a SQL database)
|
|
collection = None
|
|
|
|
def _filter_results(self, results, params):
|
|
"""Filter a list using keys and values from a dictionary.
|
|
|
|
:param results: the list to be filtered
|
|
:type results: list
|
|
:param params: a dictionary of items that must all be present in an original list item to be included in the return
|
|
|
|
:return: list of items that have all the keys with the same values as params
|
|
:rtype: list"""
|
|
if not params:
|
|
return results
|
|
filtered = []
|
|
for result in results:
|
|
add = True
|
|
for key, value in params.iteritems():
|
|
if key not in result or result[key] != value:
|
|
add = False
|
|
break
|
|
if add:
|
|
filtered.append(result)
|
|
return filtered
|
|
|
|
# A property to access the first value of each argument.
|
|
arguments = property(lambda self: dict([(k, v[0])
|
|
for k, v in self.request.arguments.iteritems()]))
|
|
|
|
def _dict2env(self, data):
|
|
"""Convert a dictionary into a form suitable to be passed as environment variables."""
|
|
ret = {}
|
|
for key, value in data.iteritems():
|
|
if isinstance(value, (list, tuple, dict)):
|
|
continue
|
|
try:
|
|
ret[key.upper()] = unicode(value).encode(ENCODING)
|
|
except:
|
|
continue
|
|
return ret
|
|
|
|
@gen.coroutine
|
|
def get(self, id_=None, resource=None, resource_id=None, **kwargs):
|
|
if resource:
|
|
# Handle access to sub-resources.
|
|
method = getattr(self, 'handle_get_%s' % resource, None)
|
|
if method and callable(method):
|
|
self.write(method(id_, resource_id, **kwargs))
|
|
return
|
|
if id_ is not None:
|
|
# read a single document
|
|
self.write(self.db.get(self.collection, id_))
|
|
else:
|
|
# return an object containing the list of all objects in the collection;
|
|
# e.g.: {'events': [{'_id': 'obj1-id, ...}, {'_id': 'obj2-id, ...}, ...]}
|
|
# Please, never return JSON lists that are not encapsulated into an object,
|
|
# to avoid XSS vulnerabilities.
|
|
self.write({self.collection: self.db.query(self.collection)})
|
|
|
|
@gen.coroutine
|
|
def post(self, id_=None, resource=None, resource_id=None, **kwargs):
|
|
data = escape.json_decode(self.request.body or '{}')
|
|
if resource:
|
|
# Handle access to sub-resources.
|
|
method = getattr(self, 'handle_%s_%s' % (self.request.method.lower(), resource), None)
|
|
if method and callable(method):
|
|
self.write(method(id_, resource_id, data, **kwargs))
|
|
return
|
|
if id_ is None:
|
|
newData = self.db.add(self.collection, data)
|
|
else:
|
|
merged, newData = self.db.update(self.collection, id_, data)
|
|
self.write(newData)
|
|
|
|
# PUT (update an existing document) is handled by the POST (create a new document) method
|
|
put = post
|
|
|
|
@gen.coroutine
|
|
def delete(self, id_=None, resource=None, resource_id=None, **kwargs):
|
|
if resource:
|
|
# Handle access to sub-resources.
|
|
method = getattr(self, 'handle_delete_%s' % resource, None)
|
|
if method and callable(method):
|
|
self.write(method(id_, resource_id, **kwargs))
|
|
return
|
|
if id_:
|
|
self.db.delete(self.collection, id_)
|
|
self.write({'success': True})
|
|
|
|
def on_timeout(self, pipe):
|
|
"""Kill a process that is taking too long to complete."""
|
|
try:
|
|
pipe.proc.kill()
|
|
except:
|
|
pass
|
|
|
|
def on_exit(self, returncode, cmd, pipe):
|
|
"""Callback executed when a subprocess execution is over."""
|
|
self.ioloop.remove_timeout(self.timeout)
|
|
|
|
@gen.coroutine
|
|
def run_subprocess(self, cmd, stdin_data=None, env=None):
|
|
"""Execute the given action.
|
|
|
|
:param cmd: the command to be run with its command line arguments
|
|
:type cmd: list
|
|
|
|
:param stdin_data: data to be sent over stdin
|
|
:type stdin_data: str
|
|
:param env: environment of the process
|
|
:type env: dict
|
|
"""
|
|
self.ioloop = tornado.ioloop.IOLoop.instance()
|
|
p = process.Subprocess(cmd, close_fds=True, stdin=process.Subprocess.STREAM,
|
|
stdout=process.Subprocess.STREAM, stderr=process.Subprocess.STREAM, env=env)
|
|
p.set_exit_callback(lambda returncode: self.on_exit(returncode, cmd, p))
|
|
self.timeout = self.ioloop.add_timeout(datetime.timedelta(seconds=PROCESS_TIMEOUT),
|
|
lambda: self.on_timeout(p))
|
|
yield gen.Task(p.stdin.write, stdin_data or '')
|
|
p.stdin.close()
|
|
out, err = yield [gen.Task(p.stdout.read_until_close),
|
|
gen.Task(p.stderr.read_until_close)]
|
|
print 'out', out
|
|
raise gen.Return((out, err))
|
|
|
|
@gen.coroutine
|
|
def run_triggers(self, action, stdin_data=None, env=None):
|
|
"""Asynchronously execute triggers for the given action.
|
|
|
|
:param action: action name; scripts in directory ./data/triggers/{action}.d will be run
|
|
:type action: str
|
|
:param stdin_data: a python dictionary that will be serialized in JSON and sent to the process over stdin
|
|
:type stdin_data: dict
|
|
:param env: environment of the process
|
|
:type stdin_data: dict
|
|
"""
|
|
stdin_data = stdin_data or {}
|
|
try:
|
|
stdin_data = json.dumps(stdin_data)
|
|
except:
|
|
stdin_data = '{}'
|
|
for script in glob.glob(os.path.join(self.data_dir, 'triggers', '%s.d' % action, '*')):
|
|
if not (os.path.isfile(script) and os.access(script, os.X_OK)):
|
|
continue
|
|
out, err = yield gen.Task(self.run_subprocess, [script], stdin_data, env)
|
|
|
|
|
|
class PersonsHandler(CollectionHandler):
|
|
"""Handle requests for Persons."""
|
|
collection = 'persons'
|
|
object_id = 'person_id'
|
|
|
|
def handle_get_events(self, id_, resource_id=None, **kwargs):
|
|
# Get a list of events attended by this person.
|
|
# Inside the data of each event, a 'person_data' dictionary is
|
|
# created, duplicating the entry for the current person (so that
|
|
# there's no need to parse the 'persons' list on the client).
|
|
#
|
|
# If resource_id is given, only the specified event is considered.
|
|
#
|
|
# If the 'all' parameter is given, every event (also unattended ones) is returned.
|
|
args = self.request.arguments
|
|
query = {}
|
|
if id_ and not self.tobool(args.get('all')):
|
|
query = {'persons.person_id': id_}
|
|
if resource_id:
|
|
query['_id'] = resource_id
|
|
|
|
events = self.db.query('events', query)
|
|
for event in events:
|
|
person_data = {}
|
|
for persons in event.get('persons') or []:
|
|
if str(persons.get('person_id')) == id_:
|
|
person_data = persons
|
|
break
|
|
event['person_data'] = person_data
|
|
if resource_id and events:
|
|
return events[0]
|
|
return {'events': events}
|
|
|
|
|
|
class EventsHandler(CollectionHandler):
|
|
"""Handle requests for Events."""
|
|
collection = 'events'
|
|
object_id = 'event_id'
|
|
|
|
def _get_person_data(self, person_id, persons):
|
|
for person in persons:
|
|
if str(person.get('person_id')) == person_id:
|
|
return person
|
|
return {}
|
|
|
|
def handle_get_persons(self, id_, resource_id=None):
|
|
# Return every person registered at this event, or the information
|
|
# about a specific person.
|
|
query = {'_id': id_}
|
|
event = self.db.query('events', query)[0]
|
|
if resource_id:
|
|
return {'person': self._get_person_data(resource_id, event.get('persons') or [])}
|
|
persons = self._filter_results(event.get('persons') or [], self.arguments)
|
|
return {'persons': persons}
|
|
|
|
def handle_post_persons(self, id_, person_id, data):
|
|
# Add a person to the list of persons registered at this event.
|
|
doc = self.db.query('events',
|
|
{'_id': id_, 'persons.person_id': person_id})
|
|
if '_id' in data:
|
|
del data['_id']
|
|
if not doc:
|
|
merged, doc = self.db.update('events',
|
|
{'_id': id_},
|
|
{'persons': data},
|
|
operation='append',
|
|
create=False)
|
|
return {'event': doc}
|
|
|
|
def handle_put_persons(self, id_, person_id, data):
|
|
# Update an existing entry for a person registered at this event.
|
|
query = dict([('persons.%s' % k, v) for k, v in self.arguments.iteritems()])
|
|
query['_id'] = id_
|
|
if person_id is not None:
|
|
query['persons.person_id'] = person_id
|
|
old_person_data = {}
|
|
current_event = self.db.query(self.collection, query)
|
|
if current_event:
|
|
current_event = current_event[0]
|
|
old_person_data = self._get_person_data(person_id, current_event.get('persons') or [])
|
|
merged, doc = self.db.update('events', query,
|
|
data, updateList='persons', create=False)
|
|
new_person_data = self._get_person_data(person_id, doc.get('persons') or [])
|
|
env = self._dict2env(new_person_data)
|
|
env.update({'PERSON_ID': person_id, 'EVENT_ID': id_, 'EVENT_TITLE': doc.get('title', '')})
|
|
stdin_data = {'old': old_person_data,
|
|
'new': new_person_data,
|
|
'event': doc,
|
|
'merged': merged
|
|
}
|
|
self.run_triggers('update_person_in_event', stdin_data=stdin_data, env=env)
|
|
if old_person_data and old_person_data.get('attended') != new_person_data.get('attended') \
|
|
and new_person_data.get('attended'):
|
|
self.run_triggers('attends', stdin_data=stdin_data, env=env)
|
|
return {'event': doc}
|
|
|
|
def handle_delete_persons(self, id_, person_id):
|
|
# Remove a specific person from the list of persons registered at this event.
|
|
merged, doc = self.db.update('events',
|
|
{'_id': id_},
|
|
{'persons': {'person_id': person_id}},
|
|
operation='delete',
|
|
create=False)
|
|
return {'event': doc}
|
|
|
|
|
|
class EbCSVImportPersonsHandler(BaseHandler):
|
|
"""Importer for CSV files exported from eventbrite."""
|
|
csvRemap = {
|
|
'Nome evento': 'event_title',
|
|
'ID evento': 'event_id',
|
|
'N. codice a barre': 'ebqrcode',
|
|
'Cognome acquirente': 'surname',
|
|
'Nome acquirente': 'name',
|
|
'E-mail acquirente': 'email',
|
|
'Cognome': 'surname',
|
|
'Nome': 'name',
|
|
'E-mail': 'email',
|
|
'Indirizzo e-mail': 'email',
|
|
'Tipologia biglietto': 'ticket_kind',
|
|
'Data partecipazione': 'attending_datetime',
|
|
'Data check-in': 'checkin_datetime',
|
|
'Ordine n.': 'order_nr',
|
|
'ID ordine': 'order_nr',
|
|
'Prefisso (Sig., Sig.ra, ecc.)': 'name_title',
|
|
}
|
|
keepPersonData = ('name', 'surname', 'email', 'name_title')
|
|
|
|
@gen.coroutine
|
|
def post(self, **kwargs):
|
|
targetEvent = None
|
|
try:
|
|
targetEvent = self.get_body_argument('targetEvent')
|
|
except:
|
|
pass
|
|
reply = dict(total=0, valid=0, merged=0, new_in_event=0)
|
|
for fieldname, contents in self.request.files.iteritems():
|
|
for content in contents:
|
|
filename = content['filename']
|
|
parseStats, persons = utils.csvParse(content['body'], remap=self.csvRemap)
|
|
reply['total'] += parseStats['total']
|
|
reply['valid'] += parseStats['valid']
|
|
for person in persons:
|
|
person_data = dict([(k, person[k]) for k in self.keepPersonData
|
|
if k in person])
|
|
merged, person = self.db.update('persons',
|
|
[('email',), ('name', 'surname')],
|
|
person_data)
|
|
if merged:
|
|
reply['merged'] += 1
|
|
if targetEvent and person:
|
|
event_id = targetEvent
|
|
person_id = person['_id']
|
|
registered_data = {
|
|
'person_id': person_id,
|
|
'attended': False,
|
|
'from_file': filename}
|
|
person.update(registered_data)
|
|
if not self.db.query('events',
|
|
{'_id': event_id, 'persons.person_id': person_id}):
|
|
self.db.update('events', {'_id': event_id},
|
|
{'persons': person},
|
|
operation='appendUnique')
|
|
reply['new_in_event'] += 1
|
|
self.write(reply)
|
|
|
|
|
|
def run():
|
|
"""Run the Tornado web application."""
|
|
# command line arguments; can also be written in a configuration file,
|
|
# specified with the --config argument.
|
|
define("port", default=5242, help="run on the given port", type=int)
|
|
define("data", default=os.path.join(os.path.dirname(__file__), "data"),
|
|
help="specify the directory used to store the data")
|
|
define("mongodbURL", default=None,
|
|
help="URL to MongoDB server", type=str)
|
|
define("dbName", default='eventman',
|
|
help="Name of the MongoDB database to use", type=str)
|
|
define("debug", default=False, help="run in debug mode")
|
|
define("config", help="read configuration file",
|
|
callback=lambda path: tornado.options.parse_config_file(path, final=False))
|
|
tornado.options.parse_command_line()
|
|
|
|
# database backend connector
|
|
db_connector = backend.EventManDB(url=options.mongodbURL, dbName=options.dbName)
|
|
init_params = dict(db=db_connector, data_dir=options.data)
|
|
|
|
application = tornado.web.Application([
|
|
(r"/persons/?(?P<id_>\w+)?/?(?P<resource>\w+)?/?(?P<resource_id>\w+)?", PersonsHandler, init_params),
|
|
(r"/events/?(?P<id_>\w+)?/?(?P<resource>\w+)?/?(?P<resource_id>\w+)?", EventsHandler, init_params),
|
|
(r"/(?:index.html)?", RootHandler, init_params),
|
|
(r"/ebcsvpersons", EbCSVImportPersonsHandler, init_params),
|
|
(r'/(.*)', tornado.web.StaticFileHandler, {"path": "angular_app"})
|
|
],
|
|
template_path=os.path.join(os.path.dirname(__file__), "templates"),
|
|
static_path=os.path.join(os.path.dirname(__file__), "static"),
|
|
debug=options.debug)
|
|
http_server = tornado.httpserver.HTTPServer(application)
|
|
http_server.listen(options.port)
|
|
tornado.ioloop.IOLoop.instance().start()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
run()
|
|
|