add acounts

app/models.py

@@ -0,0 +1,50 @@
+from sqlalchemy import create_engine, Column, Integer, String, DateTime, ForeignKey, BigInteger, JSON
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship
+import datetime
+
+Base = declarative_base()
+
+class User(Base):
+    __tablename__ = "users"
+    id = Column(Integer, primary_key=True, index=True)
+    email = Column(String, unique=True, index=True)
+    created_at = Column(DateTime, default=datetime.datetime.utcnow)
+    accounts = relationship("Account", back_populates="user")
+    files = relationship("File", back_populates="user")
+
+class Account(Base):
+    __tablename__ = "accounts"
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"))
+    google_email = Column(String, unique=True, index=True)
+    credentials = Column(JSON)
+    drive_space_total = Column(BigInteger)
+    drive_space_used = Column(BigInteger)
+    drive_space_reserved = Column(BigInteger, default=1073741824)  # 1GB reserved
+    user = relationship("User", back_populates="accounts")
+    file_parts = relationship("FilePart", back_populates="account")
+
+class File(Base):
+    __tablename__ = "files"
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"))
+    filename = Column(String)
+    original_size = Column(BigInteger)
+    sha256 = Column(String)
+    upload_time = Column(DateTime, default=datetime.datetime.utcnow)
+    download_token = Column(String, unique=True, index=True)
+    user = relationship("User", back_populates="files")
+    parts = relationship("FilePart", back_populates="file")
+
+class FilePart(Base):
+    __tablename__ = "file_parts"
+    id = Column(Integer, primary_key=True, index=True)
+    file_id = Column(Integer, ForeignKey("files.id"))
+    part_index = Column(Integer)
+    size = Column(BigInteger)
+    account_id = Column(Integer, ForeignKey("accounts.id"))
+    drive_file_id = Column(String)
+    sha256 = Column(String)
+    file = relationship("File", back_populates="parts")
+    account = relationship("Account", back_populates="file_parts")