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models.py
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models.py
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import datetime
from flask.ext.bcrypt import *
from flask.ext.login import UserMixin
from peewee import *
DATABASE = SqliteDatabase('social.db')
class User(UserMixin, Model):
username = CharField(unique=True)
email = CharField(unique=True)
password = CharField(max_length=100)
joined_at = DateTimeField(default=datetime.datetime.now)
is_admin = BooleanField(default=False)
class Meta:
database = DATABASE
order_by = ('-joined_at',)
def get_posts(self):
return Post.select().where (
(Post.user == self)
)
def get_stream(self):
return Post.select().where(
(Post.user << self.following() ) |
(Post.user == self)
)
def get_files(self):
return File.select().where (
(File.user == self)
)
def get_filestream(self):
return File.select().where(
(File.user << self.following() ) |
(File.user == self)
)
def following(self):
"""I following"""
return(
User.select().join(
Relationship, on=Relationship.to_user
).where(
Relationship.from_user== self
)
)
def followers(self):
"""Who follow Me"""
return(
User.select().join(
Relationship, on=Relationship.from_user
).where(
Relationship.to_user== self
)
)
@classmethod
def create_user(cls,user_name,email,password, admin=False):
try:
with DATABASE.transaction():
cls.create(
username=user_name,
email=email,
password=generate_password_hash(password),
is_admin=admin)
except IntegrityError:
raise ValueError("User Already exists")
class Post(Model):
timestamp = DateTimeField(default=datetime.datetime.now)
user = ForeignKeyField(
rel_model=User,
related_name='posts'
)
content = TextField()
class Meta:
database = DATABASE
order_by = ('-timestamp',)
class Relationship(Model):
from_user = ForeignKeyField(User, related_name='relationships')
to_user = ForeignKeyField(User, related_name='related_to')
class Meta:
database=DATABASE
indexes = (
(('from_user', 'to_user'), True)
)
class File(Model):
timestamp = DateTimeField(default=datetime.datetime.now)
user = ForeignKeyField(
rel_model=User,
related_name='files'
)
path = CharField()
class Meta:
database = DATABASE
order_by = ('-timestamp',)
#class Relationship(Model):
# from_user = ForeignKeyField(User, related_name='relationships')
# to_user = ForeignKeyField(User, related_name='related_to')
# class Meta:
# database=DATABASE
# indexes = (
# (('from_user', 'to_user'), True)
# )
def initialize():
DATABASE.connect()
DATABASE.create_tables([User, Post, Relationship, File],safe=True)
DATABASE.close()