165 lines
6.2 KiB
Python
165 lines
6.2 KiB
Python
from pathlib import Path
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from typing import List, Optional
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from app import schemas
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from app.core.config import settings
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from app.core.context import MediaInfo
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from app.db.systemconfig_oper import SystemConfigOper
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from app.log import logger
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from app.schemas.types import SystemConfigKey, MediaType
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from app.utils.system import SystemUtils
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class DirectoryHelper:
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"""
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下载目录/媒体库目录帮助类
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"""
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def __init__(self):
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self.systemconfig = SystemConfigOper()
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def get_download_dirs(self) -> List[schemas.MediaDirectory]:
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"""
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获取下载目录
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"""
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dir_conf: List[dict] = self.systemconfig.get(SystemConfigKey.DownloadDirectories)
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if not dir_conf:
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return []
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return [schemas.MediaDirectory(**d) for d in dir_conf]
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def get_library_dirs(self) -> List[schemas.MediaDirectory]:
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"""
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获取媒体库目录
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"""
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dir_conf: List[dict] = self.systemconfig.get(SystemConfigKey.LibraryDirectories)
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if not dir_conf:
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return []
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return [schemas.MediaDirectory(**d) for d in dir_conf]
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def get_download_dir(self, media: MediaInfo = None, to_path: Path = None) -> Optional[schemas.MediaDirectory]:
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"""
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根据媒体信息获取下载目录
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:param media: 媒体信息
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:param to_path: 目标目录
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"""
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# 处理类型
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if media:
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media_type = media.type.value
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else:
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media_type = MediaType.UNKNOWN.value
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download_dirs = self.get_download_dirs()
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# 按照配置顺序查找（保存后的数据已经排序）
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for download_dir in download_dirs:
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if not download_dir.path:
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continue
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download_path = Path(download_dir.path)
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# 有目标目录，但目标目录与当前目录不相等时不要
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if to_path and download_path != to_path:
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continue
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# 目录类型为全部的，符合条件
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if not download_dir.media_type:
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return download_dir
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# 目录类型相等，目录类别为全部，符合条件
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if download_dir.media_type == media_type and not download_dir.category:
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return download_dir
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# 目录类型相等，目录类别相等，符合条件
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if download_dir.media_type == media_type and download_dir.category == media.category:
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return download_dir
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return None
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def get_library_dir(self, media: MediaInfo = None, in_path: Path = None,
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to_path: Path = None) -> Optional[schemas.MediaDirectory]:
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"""
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根据媒体信息获取媒体库目录，需判断是否同盘优先
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:param media: 媒体信息
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:param in_path: 源目录
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:param to_path: 目标目录
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"""
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def __comman_parts(path1: Path, path2: Path) -> int:
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"""
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计算两个路径的公共路径长度
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"""
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parts1 = path1.parts
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parts2 = path2.parts
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root_flag = parts1[0] == '/' and parts2[0] == '/'
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length = min(len(parts1), len(parts2))
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for i in range(length):
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if parts1[i] == '/' and parts2[i] == '/':
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continue
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if parts1[i] != parts2[i]:
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return i - 1 if root_flag else i
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return length - 1 if root_flag else length
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# 处理类型
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if media:
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media_type = media.type.value
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else:
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media_type = MediaType.UNKNOWN.value
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# 匹配的目录
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matched_dirs = []
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library_dirs = self.get_library_dirs()
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# 按照配置顺序查找（保存后的数据已经排序）
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for library_dir in library_dirs:
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if not library_dir.path:
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continue
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# 有目标目录，但目标目录与当前目录不相等时不要
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if to_path and Path(library_dir.path) != to_path:
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continue
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# 目录类型为全部的，符合条件
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if not library_dir.media_type:
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matched_dirs.append(library_dir)
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# 目录类型相等，目录类别为全部，符合条件
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if library_dir.media_type == media_type and not library_dir.category:
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matched_dirs.append(library_dir)
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# 目录类型相等，目录类别相等，符合条件
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if library_dir.media_type == media_type and library_dir.category == media.category:
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matched_dirs.append(library_dir)
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# 未匹配到
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if not matched_dirs:
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return None
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# 没有目录则创建
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for matched_dir in matched_dirs:
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matched_path = Path(matched_dir.path)
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if not matched_path.exists():
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matched_path.mkdir(parents=True, exist_ok=True)
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# 只匹配到一项
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if len(matched_dirs) == 1:
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return matched_dirs[0]
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# 有源路径，且开启同盘/同目录优先时
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if in_path and settings.TRANSFER_SAME_DISK:
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# 优先同根路径
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max_length = 0
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target_dirs = []
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for matched_dir in matched_dirs:
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try:
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# 计算in_path和path的公共路径长度
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relative_len = __comman_parts(in_path, Path(matched_dir.path))
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if relative_len and relative_len >= max_length:
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max_length = relative_len
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target_dirs.append({
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'path': matched_dir,
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'relative_len': relative_len
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})
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except Exception as e:
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logger.debug(f"计算目标路径时出错：{str(e)}")
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continue
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if target_dirs:
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target_dirs.sort(key=lambda x: x['relative_len'], reverse=True)
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matched_dirs = [x['path'] for x in target_dirs]
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# 优先同盘
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for matched_dir in matched_dirs:
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matched_path = Path(matched_dir.path)
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if SystemUtils.is_same_disk(matched_path, in_path):
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return matched_dir
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# 返回最优先的匹配
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return matched_dirs[0]
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