Files
romm/backend/endpoints/scan.py

141 lines
4.6 KiB
Python

import emoji
import socketio # type: ignore
from config import ENABLE_EXPERIMENTAL_REDIS
from endpoints.platform import PlatformSchema
from endpoints.rom import RomSchema
from exceptions.fs_exceptions import PlatformsNotFoundException, RomsNotFoundException
from handler import dbh
from logger.logger import log
from utils.fastapi import scan_platform, scan_rom
from utils.fs import get_platforms, get_roms, store_default_resources
from utils.redis import high_prio_queue, redis_url
from utils.socket import socket_server
async def scan_platforms(
platform_slugs: list[str],
complete_rescan: bool = False,
rescan_unidentified: bool = False,
selected_roms: list[str] = (),
):
"""Scan all the listed platforms and fetch metadata from different sources
Args:
platform_slugs (list[str]): List of platform slugs to be scanned
complete_rescan (bool, optional): Flag to rescan already scanned platforms. Defaults to False.
rescan_unidentified (bool, optional): Flag to rescan only unidentified roms. Defaults to False.
selected_roms (list[str], optional): List of selected roms to be scanned. Defaults to ().
"""
# Connect to external socketio server
sm = (
socketio.AsyncRedisManager(redis_url, write_only=True)
if ENABLE_EXPERIMENTAL_REDIS
else socket_server
)
# Scanning file system
try:
fs_platforms: list[str] = get_platforms()
except PlatformsNotFoundException as e:
log.error(e)
await sm.emit("scan:done_ko", e.message)
return
platform_list = [dbh.get_platform(s).fs_slug for s in platform_slugs]
platform_list = platform_list or fs_platforms
if len(platform_list) == 0:
log.warn(
"⚠️ No platforms found, verify that the folder structure is right and the volume is mounted correctly "
)
else:
log.info(f"Found {len(platform_list)} platforms in file system ")
for platform_slug in platform_list:
scanned_platform = scan_platform(platform_slug, fs_platforms)
_new_platform = dbh.add_platform(scanned_platform)
new_platform = dbh.get_platform(_new_platform.slug)
await sm.emit(
"scan:scanning_platform",
PlatformSchema.model_validate(new_platform).model_dump(),
)
dbh.add_platform(scanned_platform)
# Scanning roms
try:
fs_roms = get_roms(scanned_platform.fs_slug)
except RomsNotFoundException as e:
log.error(e)
continue
if len(fs_roms) == 0:
log.warning(
" ⚠️ No roms found, verify that the folder structure is correct"
)
else:
log.warn(f" {len(fs_roms)} roms found")
for fs_rom in fs_roms:
rom = dbh.get_rom_by_filename(scanned_platform.slug, fs_rom["file_name"])
if (rom and rom.id not in selected_roms and not complete_rescan) and not (
rescan_unidentified and rom and not rom.igdb_id
):
continue
scanned_rom = await scan_rom(scanned_platform, fs_rom)
if rom:
scanned_rom.id = rom.id
_new_rom = dbh.add_rom(scanned_rom)
new_rom = dbh.get_rom(_new_rom.id)
await sm.emit(
"scan:scanning_rom",
{
"p_name": scanned_platform.name,
**RomSchema.model_validate(new_rom).model_dump(),
},
)
dbh.purge_roms(scanned_platform.slug, [rom["file_name"] for rom in fs_roms])
dbh.purge_platforms(fs_platforms)
log.info(emoji.emojize(":check_mark: Scan completed "))
await sm.emit("scan:done", {})
@socket_server.on("scan")
async def scan_handler(_sid: str, options: dict):
"""Scan socket endpoint
Args:
options (dict): Socket options
"""
log.info(emoji.emojize(":magnifying_glass_tilted_right: Scanning "))
store_default_resources()
platform_slugs = options.get("platforms", [])
complete_rescan = options.get("completeRescan", False)
rescan_unidentified = options.get("rescanUnidentified", False)
selected_roms = options.get("roms", [])
# Run in worker if redis is available
if ENABLE_EXPERIMENTAL_REDIS:
return high_prio_queue.enqueue(
scan_platforms,
platform_slugs,
complete_rescan,
rescan_unidentified,
selected_roms,
job_timeout=14400, # Timeout after 4 hours
)
else:
await scan_platforms(
platform_slugs, complete_rescan, rescan_unidentified, selected_roms
)