backend: add FastAPI scaffold, models, oauth flow, schema

2025-08-28 17:07:21 +00:00
parent c64039bb2f
commit 8aee66f658
7 changed files with 304 additions and 0 deletions
@@ -0,0 +1,110 @@
+from sqlalchemy import (
+    Column, Integer, String, Text, DateTime, ForeignKey, create_engine, func
+)
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship, sessionmaker
+import os
+
+Base = declarative_base()
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./modern_dev.db")
+engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False} if "sqlite" in DATABASE_URL else {})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+class User(Base):
+    __tablename__ = 'users'
+    id = Column(Integer, primary_key=True, index=True)
+    email = Column(String, unique=True, nullable=False, index=True)
+    password_hash = Column(String)
+    display_name = Column(String)
+    created_at = Column(DateTime, server_default=func.current_timestamp())
+    updated_at = Column(DateTime, server_default=func.current_timestamp(), onupdate=func.current_timestamp())
+
+    profile = relationship("Profile", back_populates="user", cascade="all, delete-orphan")
+    projects = relationship("Project", back_populates="user", cascade="all, delete-orphan")
+    habits = relationship("Habit", back_populates="user", cascade="all, delete-orphan")
+
+class Profile(Base):
+    __tablename__ = 'profiles'
+    id = Column(Integer, primary_key=True)
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    key = Column(String, nullable=False)
+    value = Column(Text)
+
+    user = relationship("User", back_populates="profile")
+
+class Project(Base):
+    __tablename__ = 'projects'
+    id = Column(Integer, primary_key=True)
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    title = Column(String, nullable=False)
+    description = Column(Text)
+    created_at = Column(DateTime, server_default=func.current_timestamp())
+    updated_at = Column(DateTime, server_default=func.current_timestamp(), onupdate=func.current_timestamp())
+
+    user = relationship("User", back_populates="projects")
+
+class Habit(Base):
+    __tablename__ = 'habits'
+    id = Column(Integer, primary_key=True)
+    project_id = Column(Integer, ForeignKey('projects.id'))
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    title = Column(String, nullable=False)
+    notes = Column(Text)
+    cadence = Column(String)
+    difficulty = Column(Integer, default=1)
+    xp_reward = Column(Integer, default=10)
+    created_at = Column(DateTime, server_default=func.current_timestamp())
+
+    user = relationship("User", back_populates="habits")
+
+class Log(Base):
+    __tablename__ = 'logs'
+    id = Column(Integer, primary_key=True)
+    habit_id = Column(Integer, ForeignKey('habits.id'))
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    action = Column(String)
+    timestamp = Column(DateTime, server_default=func.current_timestamp())
+
+class Achievement(Base):
+    __tablename__ = 'achievements'
+    id = Column(Integer, primary_key=True)
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    name = Column(String, nullable=False)
+    description = Column(Text)
+    earned_at = Column(DateTime)
+
+class Integration(Base):
+    __tablename__ = 'integrations'
+    id = Column(Integer, primary_key=True)
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    provider = Column(String, nullable=False)
+    external_id = Column(String)
+    config = Column(Text)
+    created_at = Column(DateTime, server_default=func.current_timestamp())
+
+class OAuthToken(Base):
+    __tablename__ = 'oauth_tokens'
+    id = Column(Integer, primary_key=True)
+    integration_id = Column(Integer, ForeignKey('integrations.id'))
+    access_token = Column(Text)
+    refresh_token = Column(Text)
+    scope = Column(Text)
+    expires_at = Column(Integer)
+
+class ChangeLog(Base):
+    __tablename__ = 'change_log'
+    id = Column(Integer, primary_key=True)
+    user_id = Column(Integer)
+    entity = Column(String)
+    entity_id = Column(Integer)
+    action = Column(String)
+    payload = Column(Text)
+    created_at = Column(DateTime, server_default=func.current_timestamp())
+
+
+def init_db():
+    Base.metadata.create_all(bind=engine)
+
+if __name__ == '__main__':
+    init_db()
+    print('Initialized DB ->', DATABASE_URL)