from werkzeug.security import check_password_hash,generate_password_hash
from app import login
from app import db
from datetime import datetime
from flask_login import UserMixin
from hashlib import md5
from time import time
import jwt
from flask import current_app
from app.search import add_to_index,remove_from_index,query_index
followers=db.Table('followers',
    db.Column('follower_id',db.Integer,db.ForeignKey('user.id')),
    db.Column('followed_id',db.Integer,db.ForeignKey('user.id'))
)
class User(UserMixin,db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), index=True, unique=True)
    email = db.Column(db.String(120), index=True, unique=True)
    password_hash = db.Column(db.String(128))
    posts=db.relationship('Post',backref='author',lazy='dynamic')
    about_me=db.Column(db.String(140))
    last_seen=db.Column(db.DateTime,default=datetime.utcnow)
    followed=db.relationship('User',secondary=followers,
        primaryjoin=(followers.c.follower_id==id),
        secondaryjoin=(followers.c.followed_id==id),
        backref=db.backref('followers',lazy='dynamic'),lazy='dynamic')


    def __repr__(self):
        return '<User {}>'.format(self.username)
    def set_password(self,password):
        self.password_hash=generate_password_hash(password)
    def check_password(self,password):
        return check_password_hash(self.password_hash,password)
    def avatar(self,size):
        digest=md5(self.email.lower().encode('utf-8')).hexdigest()
        return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(digest, size)

    def follow(self,user):
        if not self.is_following(user):
            self.followed.append(user)
            
    def unfollow(self,user):
        if self.is_following(user):
            self.followed.remove(user)

    def is_following(self,user):
      return self.followed.filter(followers.c.followed_id==user.id).count()>0

    def followed_posts(self):
        followed=Post.query.join(followers,(followers.c.followed_id==Post.user_id)).filter(followers.c.follower_id==self.id)
        own=Post.query.filter_by(user_id=self.id)
        return followed.union(own).order_by(Post.timestamp.desc())

    def get_reset_password_token(self,expires_in=600):
        return jwt.encode( {'reset_password':self.id,'exp':time()+expires_in},current_app.config['SECRET_KEY'],algorithm='HS256')
    
    @staticmethod
    def verify_reset_password_token(token):
        try:
            id=jwt.decode(token,current_app.config['SECRET_KEY'],algorithms=['HS256'])['reset_password']
        except:
            return
        return User.query.get(id)

class SearchableMixin(object):
    @classmethod
    def search(cls,expression,page,per_page):
        ids,total=query_index(cls.__tablename__,expression,page,per_page)
        if total == 0:
            return cls.query.filter_by(id=0),0
        when=[]
        for i in range(len(ids)):
            when.append((ids[i],i))
        return cls.query.filter(cls.id.in_(ids)).order_by(db.case(when,value=cls.id)),total
    
    @classmethod
    def before_commit(cls,session):
        session._changes={
            'add':list(session.new),
            'update':list(session.dirty),
            'delete':list(session.deleted)
        }

    @classmethod
    def after_commit(cls,session):
        for obj in session._changes['add']:
            if isinstance(obj,SearchableMixin):
                add_to_index(obj.__tablename__,obj)
        
        for obj in session._changes['update']:
            if isinstance(obj,SearchableMixin):
                add_to_index(obj.__tablename__,obj)

        for obj in session._changes['delete']:
            if isinstance(obj,SearchableMixin):
                remove_from_index(obj.__tablename__,obj)
        
        session._changes=None
    
    @classmethod
    def reindex(cls):
        for obj in cls.query:
            # print(obj)
            # # print("l")
            add_to_index(cls.__tablename__,obj)
    

db.event.listen(db.session,'before_commit',SearchableMixin.before_commit)
db.event.listen(db.session,'after_commit',SearchableMixin.after_commit)

class Post(SearchableMixin,db.Model):
    id=db.Column(db.Integer,primary_key=True)
    body=db.Column(db.String(140))
    timestamp=db.Column(db.DateTime,index=True,default=datetime.utcnow)
    user_id=db.Column(db.Integer,db.ForeignKey('user.id'))
    language=db.Column(db.String(5))
    __searchable__=['body']
    def __repr__(self):
        return '<Post {}>'.format(self.body)
        

@login.user_loader
def load_user(id):
    return User.query.get(int(id))
2369a24b67b87120cecde5a1e6aa6e338662ac32
<mask token>


class User(UserMixin, db.Model):
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)
    <mask token>

    def avatar(self, size):
        digest = md5(self.email.lower().encode('utf-8')).hexdigest()
        return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(
            digest, size)
    <mask token>

    def unfollow(self, user):
        if self.is_following(user):
            self.followed.remove(user)
    <mask token>
    <mask token>
    <mask token>
    <mask token>


class SearchableMixin(object):

    @classmethod
    def search(cls, expression, page, per_page):
        ids, total = query_index(cls.__tablename__, expression, page, per_page)
        if total == 0:
            return cls.query.filter_by(id=0), 0
        when = []
        for i in range(len(ids)):
            when.append((ids[i], i))
        return cls.query.filter(cls.id.in_(ids)).order_by(db.case(when,
            value=cls.id)), total

    @classmethod
    def before_commit(cls, session):
        session._changes = {'add': list(session.new), 'update': list(
            session.dirty), 'delete': list(session.deleted)}

    @classmethod
    def after_commit(cls, session):
        for obj in session._changes['add']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['update']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['delete']:
            if isinstance(obj, SearchableMixin):
                remove_from_index(obj.__tablename__, obj)
        session._changes = None

    @classmethod
    def reindex(cls):
        for obj in cls.query:
            add_to_index(cls.__tablename__, obj)


<mask token>


class Post(SearchableMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    body = db.Column(db.String(140))
    timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
    language = db.Column(db.String(5))
    __searchable__ = ['body']

    def __repr__(self):
        return '<Post {}>'.format(self.body)


<mask token>

<mask token>


class User(UserMixin, db.Model):
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>

    def __repr__(self):
        return '<User {}>'.format(self.username)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)

    def avatar(self, size):
        digest = md5(self.email.lower().encode('utf-8')).hexdigest()
        return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(
            digest, size)

    def follow(self, user):
        if not self.is_following(user):
            self.followed.append(user)

    def unfollow(self, user):
        if self.is_following(user):
            self.followed.remove(user)
    <mask token>

    def followed_posts(self):
        followed = Post.query.join(followers, followers.c.followed_id ==
            Post.user_id).filter(followers.c.follower_id == self.id)
        own = Post.query.filter_by(user_id=self.id)
        return followed.union(own).order_by(Post.timestamp.desc())
    <mask token>

    @staticmethod
    def verify_reset_password_token(token):
        try:
            id = jwt.decode(token, current_app.config['SECRET_KEY'],
                algorithms=['HS256'])['reset_password']
        except:
            return
        return User.query.get(id)


class SearchableMixin(object):

    @classmethod
    def search(cls, expression, page, per_page):
        ids, total = query_index(cls.__tablename__, expression, page, per_page)
        if total == 0:
            return cls.query.filter_by(id=0), 0
        when = []
        for i in range(len(ids)):
            when.append((ids[i], i))
        return cls.query.filter(cls.id.in_(ids)).order_by(db.case(when,
            value=cls.id)), total

    @classmethod
    def before_commit(cls, session):
        session._changes = {'add': list(session.new), 'update': list(
            session.dirty), 'delete': list(session.deleted)}

    @classmethod
    def after_commit(cls, session):
        for obj in session._changes['add']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['update']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['delete']:
            if isinstance(obj, SearchableMixin):
                remove_from_index(obj.__tablename__, obj)
        session._changes = None

    @classmethod
    def reindex(cls):
        for obj in cls.query:
            add_to_index(cls.__tablename__, obj)


<mask token>


class Post(SearchableMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    body = db.Column(db.String(140))
    timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
    language = db.Column(db.String(5))
    __searchable__ = ['body']

    def __repr__(self):
        return '<Post {}>'.format(self.body)


<mask token>

<mask token>


class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), index=True, unique=True)
    email = db.Column(db.String(120), index=True, unique=True)
    password_hash = db.Column(db.String(128))
    posts = db.relationship('Post', backref='author', lazy='dynamic')
    about_me = db.Column(db.String(140))
    last_seen = db.Column(db.DateTime, default=datetime.utcnow)
    followed = db.relationship('User', secondary=followers, primaryjoin=
        followers.c.follower_id == id, secondaryjoin=followers.c.
        followed_id == id, backref=db.backref('followers', lazy='dynamic'),
        lazy='dynamic')

    def __repr__(self):
        return '<User {}>'.format(self.username)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)

    def avatar(self, size):
        digest = md5(self.email.lower().encode('utf-8')).hexdigest()
        return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(
            digest, size)

    def follow(self, user):
        if not self.is_following(user):
            self.followed.append(user)

    def unfollow(self, user):
        if self.is_following(user):
            self.followed.remove(user)

    def is_following(self, user):
        return self.followed.filter(followers.c.followed_id == user.id).count(
            ) > 0

    def followed_posts(self):
        followed = Post.query.join(followers, followers.c.followed_id ==
            Post.user_id).filter(followers.c.follower_id == self.id)
        own = Post.query.filter_by(user_id=self.id)
        return followed.union(own).order_by(Post.timestamp.desc())

    def get_reset_password_token(self, expires_in=600):
        return jwt.encode({'reset_password': self.id, 'exp': time() +
            expires_in}, current_app.config['SECRET_KEY'], algorithm='HS256')

    @staticmethod
    def verify_reset_password_token(token):
        try:
            id = jwt.decode(token, current_app.config['SECRET_KEY'],
                algorithms=['HS256'])['reset_password']
        except:
            return
        return User.query.get(id)


class SearchableMixin(object):

    @classmethod
    def search(cls, expression, page, per_page):
        ids, total = query_index(cls.__tablename__, expression, page, per_page)
        if total == 0:
            return cls.query.filter_by(id=0), 0
        when = []
        for i in range(len(ids)):
            when.append((ids[i], i))
        return cls.query.filter(cls.id.in_(ids)).order_by(db.case(when,
            value=cls.id)), total

    @classmethod
    def before_commit(cls, session):
        session._changes = {'add': list(session.new), 'update': list(
            session.dirty), 'delete': list(session.deleted)}

    @classmethod
    def after_commit(cls, session):
        for obj in session._changes['add']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['update']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['delete']:
            if isinstance(obj, SearchableMixin):
                remove_from_index(obj.__tablename__, obj)
        session._changes = None

    @classmethod
    def reindex(cls):
        for obj in cls.query:
            add_to_index(cls.__tablename__, obj)


<mask token>


class Post(SearchableMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    body = db.Column(db.String(140))
    timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
    language = db.Column(db.String(5))
    __searchable__ = ['body']

    def __repr__(self):
        return '<Post {}>'.format(self.body)


@login.user_loader
def load_user(id):
    return User.query.get(int(id))

from werkzeug.security import check_password_hash, generate_password_hash
from app import login
from app import db
from datetime import datetime
from flask_login import UserMixin
from hashlib import md5
from time import time
import jwt
from flask import current_app
from app.search import add_to_index, remove_from_index, query_index
followers = db.Table('followers', db.Column('follower_id', db.Integer, db.
    ForeignKey('user.id')), db.Column('followed_id', db.Integer, db.
    ForeignKey('user.id')))


class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), index=True, unique=True)
    email = db.Column(db.String(120), index=True, unique=True)
    password_hash = db.Column(db.String(128))
    posts = db.relationship('Post', backref='author', lazy='dynamic')
    about_me = db.Column(db.String(140))
    last_seen = db.Column(db.DateTime, default=datetime.utcnow)
    followed = db.relationship('User', secondary=followers, primaryjoin=
        followers.c.follower_id == id, secondaryjoin=followers.c.
        followed_id == id, backref=db.backref('followers', lazy='dynamic'),
        lazy='dynamic')

    def __repr__(self):
        return '<User {}>'.format(self.username)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)

    def avatar(self, size):
        digest = md5(self.email.lower().encode('utf-8')).hexdigest()
        return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(
            digest, size)

    def follow(self, user):
        if not self.is_following(user):
            self.followed.append(user)

    def unfollow(self, user):
        if self.is_following(user):
            self.followed.remove(user)

    def is_following(self, user):
        return self.followed.filter(followers.c.followed_id == user.id).count(
            ) > 0

    def followed_posts(self):
        followed = Post.query.join(followers, followers.c.followed_id ==
            Post.user_id).filter(followers.c.follower_id == self.id)
        own = Post.query.filter_by(user_id=self.id)
        return followed.union(own).order_by(Post.timestamp.desc())

    def get_reset_password_token(self, expires_in=600):
        return jwt.encode({'reset_password': self.id, 'exp': time() +
            expires_in}, current_app.config['SECRET_KEY'], algorithm='HS256')

    @staticmethod
    def verify_reset_password_token(token):
        try:
            id = jwt.decode(token, current_app.config['SECRET_KEY'],
                algorithms=['HS256'])['reset_password']
        except:
            return
        return User.query.get(id)


class SearchableMixin(object):

    @classmethod
    def search(cls, expression, page, per_page):
        ids, total = query_index(cls.__tablename__, expression, page, per_page)
        if total == 0:
            return cls.query.filter_by(id=0), 0
        when = []
        for i in range(len(ids)):
            when.append((ids[i], i))
        return cls.query.filter(cls.id.in_(ids)).order_by(db.case(when,
            value=cls.id)), total

    @classmethod
    def before_commit(cls, session):
        session._changes = {'add': list(session.new), 'update': list(
            session.dirty), 'delete': list(session.deleted)}

    @classmethod
    def after_commit(cls, session):
        for obj in session._changes['add']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['update']:
            if isinstance(obj, SearchableMixin):
                add_to_index(obj.__tablename__, obj)
        for obj in session._changes['delete']:
            if isinstance(obj, SearchableMixin):
                remove_from_index(obj.__tablename__, obj)
        session._changes = None

    @classmethod
    def reindex(cls):
        for obj in cls.query:
            add_to_index(cls.__tablename__, obj)


db.event.listen(db.session, 'before_commit', SearchableMixin.before_commit)
db.event.listen(db.session, 'after_commit', SearchableMixin.after_commit)


class Post(SearchableMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    body = db.Column(db.String(140))
    timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
    language = db.Column(db.String(5))
    __searchable__ = ['body']

    def __repr__(self):
        return '<Post {}>'.format(self.body)


@login.user_loader
def load_user(id):
    return User.query.get(int(id))

from werkzeug.security import check_password_hash,generate_password_hash
from app import login
from app import db
from datetime import datetime
from flask_login import UserMixin
from hashlib import md5
from time import time
import jwt
from flask import current_app
from app.search import add_to_index,remove_from_index,query_index
followers=db.Table('followers',
    db.Column('follower_id',db.Integer,db.ForeignKey('user.id')),
    db.Column('followed_id',db.Integer,db.ForeignKey('user.id'))
)
class User(UserMixin,db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), index=True, unique=True)
    email = db.Column(db.String(120), index=True, unique=True)
    password_hash = db.Column(db.String(128))
    posts=db.relationship('Post',backref='author',lazy='dynamic')
    about_me=db.Column(db.String(140))
    last_seen=db.Column(db.DateTime,default=datetime.utcnow)
    followed=db.relationship('User',secondary=followers,
        primaryjoin=(followers.c.follower_id==id),
        secondaryjoin=(followers.c.followed_id==id),
        backref=db.backref('followers',lazy='dynamic'),lazy='dynamic')


    def __repr__(self):
        return '<User {}>'.format(self.username)
    def set_password(self,password):
        self.password_hash=generate_password_hash(password)
    def check_password(self,password):
        return check_password_hash(self.password_hash,password)
    def avatar(self,size):
        digest=md5(self.email.lower().encode('utf-8')).hexdigest()
        return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(digest, size)

    def follow(self,user):
        if not self.is_following(user):
            self.followed.append(user)
            
    def unfollow(self,user):
        if self.is_following(user):
            self.followed.remove(user)

    def is_following(self,user):
      return self.followed.filter(followers.c.followed_id==user.id).count()>0

    def followed_posts(self):
        followed=Post.query.join(followers,(followers.c.followed_id==Post.user_id)).filter(followers.c.follower_id==self.id)
        own=Post.query.filter_by(user_id=self.id)
        return followed.union(own).order_by(Post.timestamp.desc())

    def get_reset_password_token(self,expires_in=600):
        return jwt.encode( {'reset_password':self.id,'exp':time()+expires_in},current_app.config['SECRET_KEY'],algorithm='HS256')
    
    @staticmethod
    def verify_reset_password_token(token):
        try:
            id=jwt.decode(token,current_app.config['SECRET_KEY'],algorithms=['HS256'])['reset_password']
        except:
            return
        return User.query.get(id)

class SearchableMixin(object):
    @classmethod
    def search(cls,expression,page,per_page):
        ids,total=query_index(cls.__tablename__,expression,page,per_page)
        if total == 0:
            return cls.query.filter_by(id=0),0
        when=[]
        for i in range(len(ids)):
            when.append((ids[i],i))
        return cls.query.filter(cls.id.in_(ids)).order_by(db.case(when,value=cls.id)),total
    
    @classmethod
    def before_commit(cls,session):
        session._changes={
            'add':list(session.new),
            'update':list(session.dirty),
            'delete':list(session.deleted)
        }

    @classmethod
    def after_commit(cls,session):
        for obj in session._changes['add']:
            if isinstance(obj,SearchableMixin):
                add_to_index(obj.__tablename__,obj)
        
        for obj in session._changes['update']:
            if isinstance(obj,SearchableMixin):
                add_to_index(obj.__tablename__,obj)

        for obj in session._changes['delete']:
            if isinstance(obj,SearchableMixin):
                remove_from_index(obj.__tablename__,obj)
        
        session._changes=None
    
    @classmethod
    def reindex(cls):
        for obj in cls.query:
            # print(obj)
            # # print("l")
            add_to_index(cls.__tablename__,obj)
    

db.event.listen(db.session,'before_commit',SearchableMixin.before_commit)
db.event.listen(db.session,'after_commit',SearchableMixin.after_commit)

class Post(SearchableMixin,db.Model):
    id=db.Column(db.Integer,primary_key=True)
    body=db.Column(db.String(140))
    timestamp=db.Column(db.DateTime,index=True,default=datetime.utcnow)
    user_id=db.Column(db.Integer,db.ForeignKey('user.id'))
    language=db.Column(db.String(5))
    __searchable__=['body']
    def __repr__(self):
        return '<Post {}>'.format(self.body)
        

@login.user_loader
def load_user(id):
    return User.query.get(int(id))