80 lines
3.1 KiB
Python
80 lines
3.1 KiB
Python
from sqlalchemy import create_engine, Column, Integer, String, Float, DateTime, Boolean, Text, ForeignKey
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy.orm import sessionmaker, relationship
|
|
from sqlalchemy.sql import func
|
|
from sqlalchemy.dialects.postgresql import UUID, JSONB
|
|
import os
|
|
import uuid
|
|
|
|
# Database URL from environment variable
|
|
DATABASE_URL = os.getenv("DATABASE_URL")
|
|
if not DATABASE_URL:
|
|
# Fallback to constructing from individual variables
|
|
POSTGRES_USER = os.getenv("POSTGRES_USER", "fastapi_user")
|
|
POSTGRES_PASSWORD = os.getenv("POSTGRES_PASSWORD", "fastapi_password")
|
|
POSTGRES_HOST = os.getenv("POSTGRES_HOST", "postgres")
|
|
POSTGRES_PORT = os.getenv("POSTGRES_PORT", "5432")
|
|
POSTGRES_DB = os.getenv("POSTGRES_DB", "fastapi_db")
|
|
DATABASE_URL = f"postgresql://{POSTGRES_USER}:{POSTGRES_PASSWORD}@{POSTGRES_HOST}:{POSTGRES_PORT}/{POSTGRES_DB}"
|
|
|
|
# Create SQLAlchemy engine
|
|
engine = create_engine(DATABASE_URL)
|
|
|
|
# Create SessionLocal class
|
|
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
|
|
|
|
# Create Base class
|
|
Base = declarative_base()
|
|
|
|
# Basic Item model (for backward compatibility)
|
|
class Item(Base):
|
|
__tablename__ = "items"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
name = Column(String, nullable=False)
|
|
description = Column(String, nullable=True)
|
|
price = Column(Float, nullable=False)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
updated_at = Column(DateTime(timezone=True), onupdate=func.now())
|
|
|
|
# Instagram Account Model
|
|
class InstagramAccount(Base):
|
|
__tablename__ = "instagram_accounts"
|
|
|
|
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
|
|
seller_id = Column(UUID(as_uuid=True), nullable=False)
|
|
username = Column(String(100), nullable=False, unique=True)
|
|
is_active = Column(Boolean, default=True)
|
|
last_synced = Column(DateTime(timezone=True), nullable=True)
|
|
|
|
# Relationship
|
|
posts = relationship("InstagramPost", back_populates="account", cascade="all, delete-orphan")
|
|
|
|
# Instagram Post Model
|
|
class InstagramPost(Base):
|
|
__tablename__ = "instagram_posts"
|
|
|
|
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
|
|
account_id = Column(UUID(as_uuid=True), ForeignKey("instagram_accounts.id"), nullable=False)
|
|
ig_post_id = Column(String(100), nullable=False, unique=True)
|
|
media_type = Column(String(10), nullable=False) # 'image', 'video', 'carousel'
|
|
caption = Column(Text, nullable=True)
|
|
thumbnail_url = Column(Text, nullable=True)
|
|
local_media = Column(JSONB, nullable=True) # List of media items with type and local path
|
|
created_at = Column(DateTime(timezone=True), nullable=False) # Original post time on Instagram
|
|
fetched_at = Column(DateTime(timezone=True), server_default=func.now()) # Time when scraped
|
|
|
|
# Relationship
|
|
account = relationship("InstagramAccount", back_populates="posts")
|
|
|
|
# Dependency to get database session
|
|
def get_db():
|
|
db = SessionLocal()
|
|
try:
|
|
yield db
|
|
finally:
|
|
db.close()
|
|
|
|
# Create tables
|
|
def create_tables():
|
|
Base.metadata.create_all(bind=engine) |