class Item(db.Model):
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(length=30), nullable=False, unique=True)
price = db.Column(db.Integer(), nullable=False)
barcode = db.Column(db.String(length=12), nullable=False, unique=True)
description = db.Column(db.String(length=1024),
nullable=False,
unique=True)
owner = db.Column(db.Integer(), db.ForeignKey('user.id'))
# To get the string representation of the database
# Returns the name of the item
def __repr__(self):
return f'Item: {self.name}'
#Function to assign ownership to a user
def assign_owner(self, user_obj):
self.owner = user_obj.id
user_obj.budget -= self.price
db.session.commit()
#Function to change back ownership to market of the item
def change_owner(self, user_obj):
self.owner = None
user_obj.budget += self.price
db.session.commit()
class Item(db.Model):
# Columns for the table
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(length=30), nullable=False, unique=True)
price = db.Column(db.Integer(), nullable=False)
barcode = db.Column(db.String(length=12), nullable=False, unique=True)
description = db.Column(db.String(length=1024),
nullable=False, unique=True)
owner = db.Column(db.Integer(), db.ForeignKey('user.id'))
def __repr__(self):
return '<Item %r>' % self.id
# Purchase the item
def setOwnership(self, user):
# Set ownership of the item to current user
self.owner = user.id
# Decrease the budget of the user
user.budget -= self.price
db.session.commit()
# Sell the item
def sell(self, user):
# Set ownership to Nobody
self.owner = None
# Give the money back to the user
user.budget += self.price
db.session.commit()
class Item(db.Model):
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(50), nullable=False)
barcode = db.Column(db.String(50), nullable=False, unique=True)
price = db.Column(db.Float(), nullable=False)
description = db.Column(db.String(2000))
owner = db.Column(db.Integer(), db.ForeignKey('user.id'))
def __repr__(self):
return f"{self.name}-{self.price}"
class Item(db.Model):
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(length=30), nullable=False, unique=True)
price = db.Column(db.Integer(), nullable=False)
barcode = db.Column(db.String(length=12), nullable=False, unique=True)
description = db.Column(db.String(length=1024), nullable=False, unique=True)
owner = db.Column(db.Integer(), db.ForeignKey('user.id'))
def __repr__(self):
return f'Item {self.name}'
class Message(db.Model):
id = db.Column(db.Integer, primary_key=True)
sender_id = db.Column(db.Integer, db.ForeignKey('user.id'))
recipient_id = db.Column(db.Integer, db.ForeignKey('user.id'))
body = db.Column(db.Text) #db.String(140)
timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
@staticmethod
def on_changed_body(target, value, oldvalue, initiator):
allowed_tags = [
'a', 'abbr', 'acronym', 'b', 'blockquote', 'code', 'em', 'i', 'li',
'ol', 'pre', 'strong', 'ul', 'h1', 'h2', 'h3', 'p', 'iframe'
]
target.body = bleach.linkify(
bleach.clean(markdown(value, output_format='html'),
tags=allowed_tags,
strip=True))
def __repr__(self):
return '<Message {}>'.format(self.body)
class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
body = db.Column(db.Text, 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)
post_id = db.Column(db.Integer, db.ForeignKey("post.id"), nullable=False)
@staticmethod
def on_changed_body(target, value, oldvalue, initiator):
allowed_tags = [
'a', 'abbr', 'acronym', 'b', 'blockquote', 'code', 'em', 'i', 'li',
'ol', 'pre', 'strong', 'ul', 'h1', 'h2', 'h3', 'p', 'iframe'
]
target.body = bleach.linkify(
bleach.clean(markdown(value, output_format='html'),
tags=allowed_tags,
strip=True))
def __repr__(self):
return f"<Reply (id='{self.id}', body='{self.body}', date_posted='{self.date_posted}')>"
class Item(db.Model):
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(length=30),nullable=False, unique=True)
price = db.Column(db.Integer(),nullable=False)
barcode = db.Column(db.String(length=12),nullable=False,unique=True)
description = db.Column(db.String(length=1024),nullable=False,unique=True)
owner = db.Column(db.Integer(), db.ForeignKey('user.id'))
def buy(self, buying_user):
self.owner = buying_user.id
buying_user.budget -= self.price
db.session.commit()
def __repr__(self):
return f'Item {self.name}'
class Item(db.Model):
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(length=30), nullable=False, unique=True)
price = db.Column(db.Integer(), nullable=False)
barcode = db.Column(db.String(length=12), nullable=False, unique=True)
description = db.Column(db.String(length=1024), nullable=False, unique=True)
owner = db.Column(db.Integer(), db.ForeignKey('user.id'))
def buy(self, user):
self.owner = user.id
user.budget -= self.price
db.session.commit()
def sell(self,user):
self.owner = None
user.budget += self.price
db.session.commit()
class Item(db.Model):
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(length=30), nullable=False, unique=True)
price = db.Column(db.Integer(), nullable=False, unique=True)
barcode = db.Column(db.String(length=12), nullable=False, unique=True)
description = db.Column(db.String(1024), nullable=False, unique=True)
# relationship to the user. 'user.id' must be in lower case
owner = db.Column(db.Integer(), db.ForeignKey('user.id'))
# I'm using this to return the value in name field
def __repr__(self):
return f'Item {self.name}'
def buy(self, user):
self.owner = user.id
user.budget -= self.price
db.session.commit()
def sell(self, user):
self.owner = None
user.budget += self.price
db.session.commit()
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=True)
content = db.Column(db.Text, nullable=False)
image = db.Column(db.String(20), nullable=False)
image2 = db.Column(db.String(20), nullable=True)
image3 = db.Column(db.String(20), nullable=True)
price = db.Column(db.String(20), nullable=False)
tags = db.Column(db.String(100), nullable=True)
date_posted = db.Column(db.DateTime,
nullable=False,
default=datetime.utcnow)
sold = db.Column(db.Boolean, default=False, nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
likes = db.relationship('PostLike', backref='post', lazy='dynamic')
comments = db.relationship("Comment",
backref="post",
lazy="dynamic",
cascade="all, delete-orphan")
def __repr__(self):
if self.title != None:
return f"Post('{self.title}','{self.content}', '{self.date_posted}')"
else:
return f"Post({self.content}', '{self.date_posted}')"
@staticmethod
def on_changed_body(target, value, oldvalue, initiator):
allowed_tags = [
'a', 'abbr', 'acronym', 'b', 'blockquote', 'code', 'em', 'i', 'li',
'ol', 'pre', 'strong', 'ul', 'h1', 'h2', 'h3', 'p', 'iframe'
]
target.content = bleach.linkify(
bleach.clean(markdown(value, output_format='html'),
tags=allowed_tags,
strip=True))
class PostLike(db.Model):
__tablename__ = 'post_like'
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
post_id = db.Column(db.Integer, db.ForeignKey('post.id'))
from datetime import datetime
from itsdangerous import TimedJSONWebSignatureSerializer as Serializer
from market import db, login_manager, app
from flask_login import UserMixin
from markdown import markdown
import bleach
@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')))
liked = db.relationship('PostLike',
foreign_keys='PostLike.user_id',
backref='user',
lazy='dynamic')
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(80), nullable=False)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
bio = db.Column(db.String(120), nullable=True)
dp = db.Column(db.String(20), nullable=False, default='default.png')
