Files
romm/backend/models/firmware.py
2024-05-21 10:18:13 -04:00

72 lines
2.3 KiB
Python

import json
import os
from functools import cached_property
from handler.metadata.base_hander import conditionally_set_cache
from handler.redis_handler import cache
from models.base import BaseModel
from sqlalchemy import BigInteger, Column, ForeignKey, Integer, String
from sqlalchemy.orm import relationship
KNOWN_BIOS_KEY = "romm:known_bios_files"
conditionally_set_cache(
KNOWN_BIOS_KEY, "known_bios_files.json", os.path.dirname(__file__)
)
class Firmware(BaseModel):
__tablename__ = "firmware"
id = Column(Integer(), primary_key=True, autoincrement=True)
platform_id = Column(
Integer(), ForeignKey("platforms.id", ondelete="CASCADE"), nullable=False
)
file_name = Column(String(length=450), nullable=False)
file_name_no_tags = Column(String(length=450), nullable=False)
file_name_no_ext = Column(String(length=450), nullable=False)
file_extension = Column(String(length=100), nullable=False)
file_path = Column(String(length=1000), nullable=False)
file_size_bytes = Column(BigInteger(), default=0, nullable=False)
crc_hash = Column(String(length=100), nullable=False)
md5_hash = Column(String(length=100), nullable=False)
sha1_hash = Column(String(length=100), nullable=False)
platform = relationship("Platform", lazy="joined", back_populates="firmware")
@property
def platform_slug(self) -> str:
return self.platform.slug
@property
def platform_fs_slug(self) -> str:
return self.platform.fs_slug
@property
def platform_name(self) -> str:
return self.platform.name
@cached_property
def is_verified(self) -> bool:
cache_entry = cache.hget(
KNOWN_BIOS_KEY, f"{self.platform_slug}:{self.file_name}"
)
if cache_entry:
cache_json = json.loads(cache_entry)
return (
self.file_size_bytes == int(cache_json.get("size", 0))
and self.md5_hash == cache_json.get("md5")
and self.sha1_hash == cache_json.get("sha1")
and self.crc_hash == cache_json.get("crc")
)
return False
@cached_property
def full_path(self) -> str:
return f"{self.file_path}/{self.file_name}"
def __repr__(self) -> str:
return self.file_name