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f5f45e5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | # models.py
from flask_sqlalchemy import SQLAlchemy
from flask_login import UserMixin
from werkzeug.security import generate_password_hash, check_password_hash
from datetime import datetime
from database import db
class User(UserMixin, db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(80), unique=True, nullable=False)
password_hash = db.Column(db.String(200), nullable=False)
is_admin = db.Column(db.Boolean, default=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
photos = db.relationship('Photo', backref='uploader', lazy=True)
likes = db.relationship('Like', backref='user', lazy=True)
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)
class Photo(db.Model):
__tablename__ = 'photos'
id = db.Column(db.Integer, primary_key=True)
filename = db.Column(db.String(200), nullable=False)
caption = db.Column(db.String(500))
upload_date = db.Column(db.DateTime, default=datetime.utcnow)
uploader_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
likes_count = db.Column(db.Integer, default=0)
likes = db.relationship('Like', backref='photo', lazy=True, cascade='all, delete-orphan')
class Like(db.Model):
__tablename__ = 'likes'
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
photo_id = db.Column(db.Integer, db.ForeignKey('photos.id'), nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
__table_args__ = (db.UniqueConstraint('user_id', 'photo_id', name='unique_user_photo_like'),) |