140 lines
5.3 KiB
Python
140 lines
5.3 KiB
Python
from datetime import datetime, timezone
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from typing import Optional, List
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from sqlalchemy import Integer, String, Float, ForeignKey, DateTime, Boolean, BigInteger
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
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class Base(DeclarativeBase):
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pass
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class FilesystemState(Base):
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__tablename__ = "filesystem_state"
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id: Mapped[int] = mapped_column(primary_key=True)
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file_path: Mapped[str] = mapped_column(String, unique=True)
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size: Mapped[int] = mapped_column(BigInteger)
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mtime: Mapped[float] = mapped_column(Float)
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sha256_hash: Mapped[Optional[str]] = mapped_column(
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String, index=True, nullable=True
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)
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is_ignored: Mapped[bool] = mapped_column(
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Boolean, default=False
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) # True if matches exclusion
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is_deleted: Mapped[bool] = mapped_column(
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Boolean, default=False
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) # True if confirmed missing from disk
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last_seen_timestamp: Mapped[datetime] = mapped_column(
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DateTime, default=lambda: datetime.now(timezone.utc)
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)
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versions: Mapped[List["FileVersion"]] = relationship(back_populates="file_state")
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class StorageMedia(Base):
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__tablename__ = "storage_media"
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id: Mapped[int] = mapped_column(primary_key=True)
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media_type: Mapped[str] = mapped_column(String) # tape, hdd, cloud
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identifier: Mapped[str] = mapped_column(
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String, unique=True, index=True
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) # barcode, UUID, bucket
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generation_tier: Mapped[Optional[str]] = mapped_column(
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String
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) # e.g., LTO-6, S3 Standard
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capacity: Mapped[int] = mapped_column(BigInteger) # Native capacity in bytes
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bytes_used: Mapped[int] = mapped_column(BigInteger, default=0)
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location: Mapped[Optional[str]] = mapped_column(String)
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status: Mapped[str] = mapped_column(
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String, default="active"
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) # active, full, retired, offline
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extra_config: Mapped[Optional[str]] = mapped_column(
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String
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) # JSON config for type-specific details
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priority_index: Mapped[int] = mapped_column(Integer, default=0)
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last_seen: Mapped[Optional[datetime]] = mapped_column(DateTime)
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created_at: Mapped[datetime] = mapped_column(
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DateTime, default=lambda: datetime.now(timezone.utc)
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)
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versions: Mapped[List["FileVersion"]] = relationship(back_populates="media")
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class FileVersion(Base):
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__tablename__ = "file_versions"
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id: Mapped[int] = mapped_column(primary_key=True)
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filesystem_state_id: Mapped[int] = mapped_column(ForeignKey("filesystem_state.id"))
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media_id: Mapped[int] = mapped_column(ForeignKey("storage_media.id"))
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file_number: Mapped[str] = mapped_column(String) # Tape position or object path
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offset_in_tar: Mapped[Optional[int]] = mapped_column(Integer)
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# Split File Support
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is_split: Mapped[bool] = mapped_column(Boolean, default=False)
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split_id: Mapped[Optional[str]] = mapped_column(
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String, nullable=True
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) # UUID grouping parts
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offset_start: Mapped[int] = mapped_column(BigInteger, default=0)
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offset_end: Mapped[int] = mapped_column(BigInteger, default=0)
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created_at: Mapped[datetime] = mapped_column(
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DateTime, default=lambda: datetime.now(timezone.utc)
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)
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file_state: Mapped["FilesystemState"] = relationship(back_populates="versions")
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media: Mapped["StorageMedia"] = relationship(back_populates="versions")
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class TrackedSource(Base):
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__tablename__ = "tracked_sources"
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id: Mapped[int] = mapped_column(primary_key=True)
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path: Mapped[str] = mapped_column(String, unique=True, index=True)
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is_directory: Mapped[bool] = mapped_column(Boolean, default=True)
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action: Mapped[str] = mapped_column(String, default="include") # include, exclude
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created_at: Mapped[datetime] = mapped_column(
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DateTime, default=lambda: datetime.now(timezone.utc)
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)
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class RestoreCart(Base):
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__tablename__ = "restore_cart"
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id: Mapped[int] = mapped_column(primary_key=True)
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filesystem_state_id: Mapped[int] = mapped_column(ForeignKey("filesystem_state.id"))
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created_at: Mapped[datetime] = mapped_column(
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DateTime, default=lambda: datetime.now(timezone.utc)
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)
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file_state: Mapped["FilesystemState"] = relationship()
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class Job(Base):
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__tablename__ = "jobs"
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id: Mapped[int] = mapped_column(primary_key=True)
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job_type: Mapped[str] = mapped_column(String) # SCAN, BACKUP, RESTORE
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status: Mapped[str] = mapped_column(
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String, default="PENDING"
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) # PENDING, RUNNING, COMPLETED, FAILED
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progress: Mapped[float] = mapped_column(Float, default=0.0)
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current_task: Mapped[Optional[str]] = mapped_column(String, nullable=True)
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error_message: Mapped[Optional[str]] = mapped_column(String, nullable=True)
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started_at: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
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completed_at: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
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created_at: Mapped[datetime] = mapped_column(
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DateTime, default=lambda: datetime.now(timezone.utc)
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)
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class SystemSetting(Base):
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__tablename__ = "system_settings"
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key: Mapped[str] = mapped_column(String, primary_key=True)
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value: Mapped[str] = mapped_column(String)
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updated_at: Mapped[datetime] = mapped_column(
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DateTime,
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default=lambda: datetime.now(timezone.utc),
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onupdate=lambda: datetime.now(timezone.utc),
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)
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