82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
import os
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import urllib.parse
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from sqlalchemy import create_engine, Column, Integer, String, Text, DateTime, Boolean, ForeignKey, LargeBinary
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker, relationship
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from sqlalchemy.dialects.postgresql import JSONB
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from sqlalchemy.sql import func
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from dotenv import load_dotenv
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# Load environment variables
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load_dotenv()
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DB_USER = os.getenv("DB_USER")
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DB_PASSWORD = os.getenv("DB_PASSWORD")
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DB_HOST = os.getenv("DB_HOST")
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DB_PORT = os.getenv("DB_PORT")
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DB_NAME = os.getenv("DB_NAME")
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encoded_user = urllib.parse.quote_plus(DB_USER)
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encoded_password = urllib.parse.quote_plus(DB_PASSWORD)
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# SQLAlchemy Database URL
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DATABASE_URL = f"postgresql://{encoded_user}:{encoded_password}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
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engine = create_engine(DATABASE_URL)
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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Base = declarative_base()
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class Email(Base):
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__tablename__ = "emails"
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id = Column(Integer, primary_key=True, index=True)
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subject = Column(String, index=True)
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sender = Column(String, index=True)
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body = Column(Text)
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received_date = Column(DateTime)
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is_read = Column(Boolean, default=False)
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attachments = relationship("Attachment", back_populates="email")
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class Attachment(Base):
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__tablename__ = "attachments"
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id = Column(Integer, primary_key=True, index=True)
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email_id = Column(Integer, ForeignKey("emails.id"))
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filename = Column(String)
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content_type = Column(String)
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file_path = Column(String, nullable=True) # Path to file on disk
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file_content = Column(LargeBinary, nullable=True) # Stored in DB (for small files)
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email = relationship("Email", back_populates="attachments")
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class Vendor(Base):
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__tablename__ = "vendors"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String, unique=True, index=True)
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default_model = Column(String, default="text") # 'text' (Gemma) or 'vision' (Qwen)
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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documents = relationship("Document", back_populates="vendor")
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class Document(Base):
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__tablename__ = "documents"
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id = Column(Integer, primary_key=True, index=True)
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vendor_id = Column(Integer, ForeignKey("vendors.id"), nullable=True)
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filename = Column(String)
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upload_date = Column(DateTime(timezone=True), server_default=func.now())
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status = Column(String, default="pending") # pending, verified
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processed_data = Column(JSONB) # The final verified JSON
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vendor = relationship("Vendor", back_populates="documents")
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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