class Category(db.Model):
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
name = db.Column(db.String(200), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
slides = db.relationship('Slide', backref='cats', lazy=True)
def __repr__(self):
return f"Category('{self.name}')"
class Visit(db.Model):
id = db.Column(db.Integer, primary_key=True)
count = db.Column(db.Integer)
# slides = db.relationship('Slide', backref = 'slide', lazy = True)
def __init__(self):
self.count = 0
class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
comment = db.Column(db.Text, nullable=False)
comment_date = db.Column(db.DateTime, default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
slide_id = db.Column(db.Integer, db.ForeignKey('slide.id'))
def __repr__(self):
return f"Comment('self.comment)')"
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
date_posted = db.Column(db.DateTime,
nullable=False,
default=datetime.utcnow)
content = db.Column(db.Text, nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
def __repr__(self):
return f"Post('{self.title}', '{self.date_posted}')"
class Slide(db.Model):
__searchable__ = ['title', 'description']
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(200), nullable=False)
description = db.Column(db.Text, nullable=False)
file = db.Column(db.String(1000), nullable=False)
date_posted = db.Column(db.DateTime,
nullable=False,
default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
likes = db.relationship('SlideLike', backref='slide', lazy=True)
comments = db.relationship('Comment', backref='slide', lazy=True)
category_id = db.Column(db.Integer,
db.ForeignKey('category.id'),
nullable=True)
# visit_id = db.Column(db.Integer, db.ForeignKey('visit.id'), nullable = True)
def __repr__(self):
return f"Slide('{self.title}', '{self.description}', '{self.file}')"
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
image_file = db.Column(db.String(20),
nullable=False,
default='default.jpg')
password = db.Column(db.String(200), nullable=False)
# password = db.Column(db.Binary(100), nullable = False)
registered_on = db.Column(db.DateTime,
default=datetime.utcnow(),
nullable=False)
is_admin = db.Column(db.Boolean, default=False)
confirmed = db.Column(db.Boolean, nullable=False, default=False)
confirmed_on = db.Column(db.DateTime, nullable=True)
posts = db.relationship('Post', backref='author', lazy=True)
slides = db.relationship('Slide', backref='author', lazy=True)
liked = db.relationship('SlideLike',
foreign_keys='SlideLike.user_id',
backref='author',
lazy=True)
comments = db.relationship('Comment', backref='author', lazy=True)
categories = db.relationship('Category', backref='author', lazy=True)
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 get_reset_token(self, expires_sec=1800):
s = Serializer(app.config['SECRET_KEY'], expires_sec)
return s.dumps({'user_id': self.id}).decode('utf-8')
@staticmethod
def verify_reset_token(token):
s = Serializer(app.config['SECRET_KEY'])
try:
user_id = s.loads(token)['user_id']
except:
return None
return User.query.get(user_id)
def like_slide(self, slide):
if not self.has_liked_slide(slide):
like = SlideLike(user_id=self.id, slide_id=slide.id)
db.session.add(like)
def unlike_slide(self, slide):
if self.has_liked_slide(slide):
SlideLike.query.filter_by(user_id=self.id,
slide_id=slide.id).delete()
def has_liked_slide(self, slide):
return SlideLike.query.filter(SlideLike.user_id == self.id,
SlideLike.slide_id
== slide.id).count() > 0
def follow(self, user):
if not self.is_following(user):
self.followed.append(user)
return self
def unfollow(self, user):
if self.is_following(user):
self.followed.remove(user)
return self
def is_following(self, user):
return self.followed.filter(
followers.c.followed_id == user.id).count() > 0
def followed_posts(self):
return Slide.query.join(
followers, (followers.c.followed_id == Slide.user_id)).filter(
followers.c.follower_id == self.id).order_by(
Slide.date_posted.desc())
def __repr__(self):
return f"User('{self.username}', '{self.email}', '{self.image_file}')"
class SlideLike(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
slide_id = db.Column(db.Integer, db.ForeignKey('slide.id'))
from flask_admin import Admin
from flask_admin.contrib.sqla import ModelView
import os
import sys
import secrets
admin = Admin(app, name='Control Panel')
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
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 Visit(db.Model):
id = db.Column(db.Integer, primary_key=True)
count = db.Column(db.Integer)
# slides = db.relationship('Slide', backref = 'slide', lazy = True)
def __init__(self):
self.count = 0
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)