[skip render] database push

site/database.py

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+
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from sqlalchemy.orm import DeclarativeBase
+from sqlalchemy import Integer, String
+from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy import text
+from sqlalchemy import create_engine, Column, Integer, String, Text, TIMESTAMP, ForeignKey
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship
+
+class Base(DeclarativeBase):
+  pass
+
+db = SQLAlchemy(model_class=Base)
+
+# create the app
+app = Flask(__name__)
+# configure the SQLite database, relative to the app instance folder
+app.config["SQLALCHEMY_DATABASE_URI"] = "postgresql://mainuser:aYPVpG8ss6HrOUNNlHyZTn8i02COPWwr@dpg-cnfootgcmk4c73b0qa70-a/penflowdb"
+# initialize the app with the extension
+db.init_app(app)
+
+# Creating the base class for declarative table definitions
+Base = declarative_base()
+
+# User Table
+class User(Base):
+    __tablename__ = 'users'
+    user_id = Column(Integer, primary_key=True, autoincrement=True)
+    username = Column(String(50), unique=True, nullable=False)
+    email = Column(String(100), unique=True, nullable=False)
+    password_hash = Column(String(100), nullable=False)
+    created_at = Column(TIMESTAMP, nullable=False, server_default=text('CURRENT_TIMESTAMP'))
+
+
+# Whiteboard Table
+class Whiteboard(Base):
+    __tablename__ = 'whiteboards'
+    whiteboard_id = Column(Integer, primary_key=True, autoincrement=True)
+    title = Column(String(100), nullable=False)
+    description = Column(Text)
+    user_id = Column(Integer, ForeignKey('users.user_id'), nullable=False)
+    created_at = Column(TIMESTAMP, nullable=False, server_default=text('CURRENT_TIMESTAMP'))
+
+    user = relationship("User", backref="whiteboards")
+
+# Drawing Table
+class Drawing(Base):
+    __tablename__ = 'drawings'
+    drawing_id = Column(Integer, primary_key=True, autoincrement=True)
+    whiteboard_id = Column(Integer, ForeignKey('whiteboards.whiteboard_id'), nullable=False)
+    data = Column(Text, nullable=False)
+    created_at = Column(TIMESTAMP, nullable=False, server_default=text('CURRENT_TIMESTAMP'))
+    whiteboard = relationship("Whiteboard", backref="drawings")
+
+# Create engine
+engine = create_engine('postgresql://mainuser:aYPVpG8ss6HrOUNNlHyZTn8i02COPWwr@dpg-cnfootgcmk4c73b0qa70-a.oregon-postgres.render.com/penflowdb')
+
+# Create tables
+Base.metadata.create_all(engine)