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model.py
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model.py
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import random
from datetime import datetime, timedelta
import time
from exceptions import NotImplementedError
from google.appengine.ext import ndb
from webapp2_extras import auth, security
import keys
from util import util
import logging
class UserToken(ndb.Model):
created = ndb.DateTimeProperty(auto_now_add=True)
updated = ndb.DateTimeProperty(auto_now=True)
username = ndb.StringProperty(required=True, indexed=False)
subject = ndb.StringProperty(required=True)
token = ndb.StringProperty(required=True)
@classmethod
def get_key(cls, username, subject, token):
return ndb.Key(cls, '%s.%s.%s' % (str(username), subject, token))
@classmethod
def create(cls, username, subject, token=None):
token = token or security.generate_random_string(entropy=128)
key = cls.get_key(username, subject, token)
entity = cls(key=key, username=username, subject=subject, token=token)
entity.put()
return entity
@classmethod
def get(cls, username, subject=None, token=None):
if username and subject and token:
return cls.get_key(username, subject, token).get()
assert subject and token, \
'subject and token must be provided to UserToken.get().'
return cls.query(cls.subject == subject, cls.token == token).get()
class UserState:
SHOW_ALL = 'SHOW_ALL'
SHOW_SUMMARY = 'SHOW_SUMMARY'
SHOW_PROFILE = 'SHOW_PROFILE'
PROPOSED = 'PROPOSED'
MATCHED = 'MATCHED'
COUPLED = 'COUPLED'
class User(ndb.Model):
username = ndb.StringProperty(required=True)
password = ndb.StringProperty(required=True)
last_active = ndb.DateTimeProperty(required=True, auto_now=True)
created = ndb.DateTimeProperty(required=True, auto_now_add=True)
name = ndb.StringProperty()
phone = ndb.StringProperty()
gender = ndb.StringProperty(choices=set(['M', 'F']))
contact_allowed_gender = ndb.StringProperty(choices=set(['M', 'F', 'MF']))
birth_year = ndb.IntegerProperty()
region = ndb.StringProperty()
nickname = ndb.StringProperty()
tags = ndb.StringProperty(repeated=True)
profile = ndb.TextProperty()
profile_uuid = ndb.StringProperty()
state = ndb.StringProperty(default=UserState.SHOW_ALL,
choices=set([UserState.SHOW_ALL, UserState.SHOW_SUMMARY, UserState.SHOW_PROFILE,
UserState.PROPOSED, UserState.MATCHED, UserState.COUPLED]))
state_changed = ndb.DateTimeProperty(required=True, auto_now_add=True)
selected_profile_uuids = ndb.StringProperty(repeated=True)
verified = ndb.BooleanProperty(default=False)
active = ndb.BooleanProperty(default=True)
@classmethod
def create_user(cls, username, raw_password):
user = User(id=username, username=username,
password=security.generate_password_hash(raw_password, length=12))
user.put()
return user
def set_password(self, raw_password):
self.password = security.generate_password_hash(raw_password, length=12)
def get_id(self):
return self._key.id()
@classmethod
def get_by_auth_password(cls, username, password):
user = cls.get_by_id(username)
if not user:
raise auth.InvalidAuthIdError()
if not security.check_password_hash(password, user.password):
raise auth.InvalidPasswordError()
return user
@classmethod
def get_by_auth_token(cls, username, token):
token_key = UserToken.get_key(username, 'auth', token)
user_key = ndb.Key(cls, username)
valid_token, user = ndb.get_multi([token_key, user_key])
if valid_token and user:
timestamp = int(time.mktime(valid_token.created.timetuple()))
return user, timestamp
return None, None
@classmethod
def create_auth_token(cls, username):
return UserToken.create(username, 'auth').token
@classmethod
def delete_auth_token(cls, username, token):
UserToken.get_key(username, 'auth', token).delete()
@classmethod
def create_signup_token(cls, username):
entity = UserToken.create(username, 'signup')
return entity.token
@classmethod
def validate_signup_token(cls, username, token):
return UserToken.get(username, 'signup', token) is not None
@classmethod
def delete_signup_token(cls, username, token):
UserToken.get_key(username, 'signup', token).delete()
@classmethod
def by_profile_uuids(cls, profile_uuids):
users = cls.query().filter(cls.profile_uuid.IN(profile_uuids)).iter()
return users
@classmethod
def get_recent_users(cls):
q = cls.query().filter(cls.last_active > datetime.utcnow() - timedelta(days=3))
return q.fetch()
def get_random_profile_lines(self):
profile_lines = util.tokenize_sentences(self.profile)
random.seed(keys.RANDOM_SEED + datetime.today().toordinal())
random_profile_lines = random.sample(util.pad(profile_lines, '', 3), 3)
random_profile_lines = [util.shorten_if_long(l) for l in random_profile_lines]
return random_profile_lines
def set_state(self, new_state):
self.state = new_state
self.state_changed = datetime.now()
def has_personal_info(self):
return self.name and self.phone
def has_profile(self):
return self.nickname and self.profile and not self.profile.isspace()
def get_selected_user(self):
selected_users = list(User.by_profile_uuids(self.selected_profile_uuids))
if selected_users:
return selected_users[0]
def get_proposal(self):
q = Proposal.query(ancestor=self.key)
q = q.filter(Proposal.is_active == True).order(-Proposal.created)
proposal = q.fetch(1)
if proposal:
return proposal[0]
else:
return None
def get_users_proposed_to_me(self):
q = Proposal.query().filter(Proposal.to_user == self.key)
q = q.filter(Proposal.is_active == True)
from_users = [p.key.parent().get() for p in q.fetch()]
return from_users
#parent: from_user
class Proposal(ndb.Model):
to_user = ndb.KeyProperty(kind=User, required=True)
created = ndb.DateTimeProperty(required=True, auto_now_add=True)
is_active = ndb.BooleanProperty(default=True)
is_accepted = ndb.BooleanProperty(default=False)
def get_comments(self):
q = Comment.query(ancestor=self.key).order(Comment.created)
return q.fetch()
#parent: proposal
class Comment(ndb.Model):
username = ndb.StringProperty(required=True)
content = ndb.TextProperty()
created = ndb.DateTimeProperty(required=True, auto_now_add=True)
@classmethod
def create_comment(cls, proposal_key, username, content):
comment = Comment(parent=proposal_key, username=username, content=content)
comment.put()
return comment