Koha9
720 lines
23 KiB
Python
720 lines
23 KiB
Python
import os
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from datetime import datetime
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from typing import Sequence
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from fastapi import FastAPI, Form, HTTPException, Query, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import FileResponse, HTMLResponse, RedirectResponse
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from fastapi.staticfiles import StaticFiles
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from fastapi.templating import Jinja2Templates
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from pydantic import BaseModel, Field
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from app.utils.config import server_config
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from app.utils.local_playlist import load_local_playlist, scan_local_playlists
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from app.utils.logger import logger
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from app.utils.playlist_merge import SyncMode, TEST_PLAYLIST_DIR, sync_all_playlists
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from app.utils.plex_client import plex_client
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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templates = Jinja2Templates(
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directory=os.path.join(os.path.dirname(__file__), "templates")
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)
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FRONTEND_DIST_PATH = os.path.abspath(
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os.path.join(os.path.dirname(__file__), "..", "frontend", "dist")
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)
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# mount static files
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# 这里的路径是相对于 main.py 文件所在的目录
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app.mount(
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"/static",
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StaticFiles(directory=os.path.join(os.path.dirname(__file__), "static")),
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name="static",
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)
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if os.path.isdir(os.path.join(FRONTEND_DIST_PATH, "assets")):
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app.mount(
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"/assets",
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StaticFiles(directory=os.path.join(FRONTEND_DIST_PATH, "assets")),
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name="frontend-assets",
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)
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SYNC_MODE_OPTIONS = [
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{
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"value": SyncMode.LOCAL_FORCE.value,
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"label": "完全本地优先（local_force）",
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"description": "单向同步，本地覆盖云端且顺序以本地为准。",
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},
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{
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"value": SyncMode.REMOTE_FORCE.value,
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"label": "完全云端优先（remote_force）",
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"description": "单向同步，云端覆盖本地且顺序以云端为准。",
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},
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{
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"value": SyncMode.MERGE_LOCAL_PRIMARY.value,
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"label": "双向合并（本地优先）",
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"description": "三方合并，冲突时选择本地版本。",
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},
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{
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"value": SyncMode.MERGE_REMOTE_PRIMARY.value,
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"label": "双向合并（云端优先）",
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"description": "三方合并，冲突时选择云端版本。",
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},
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]
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class PlaylistItem(BaseModel):
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id: str
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title: str
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trackCount: int = Field(..., ge=0)
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lastUpdated: str | None = None
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class RegexRule(BaseModel):
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pattern: str
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replacement: str = ""
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class SyncSettingsResponse(BaseModel):
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sync_mode: str
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path_rules: list[RegexRule]
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local_path: str
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library_name: str | None = None
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server_url: str | None = None
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scheme: str | None = None
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port: str | None = None
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timeout: int | None = None
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token: str | None = None
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class ConnectRequest(BaseModel):
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protocol: str = Field("https", pattern="https?", description="HTTP or HTTPS")
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address: str
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port: str = "32400"
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token: str = ""
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username: str | None = None
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password: str | None = None
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timeout: int | None = None
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library_name: str | None = None
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class ConnectResponse(BaseModel):
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token: str
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serverInfo: dict
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def _get_cloud_playlists() -> tuple[list[dict], str, dict, str, list[str]]:
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"""Fetch playlists and connection state from the remote Plex server."""
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server_config.load()
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playlists: list[dict] = []
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status = "unset"
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server_info = {
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"name": "未设置",
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"domain": server_config.url or "未设置",
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}
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selected_library = server_config.library_name
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music_libraries: list[str] = []
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# no server url configured
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if not server_config.url:
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return playlists, status, server_info, selected_library, music_libraries
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status = "failed"
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try:
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plex_client.connect(
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token=server_config.token,
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scheme=server_config.scheme,
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url=server_config.url,
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port=server_config.port,
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timeout=server_config.timeout,
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)
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status = "connected" if plex_client.connected else "failed"
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server_info.update(
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{
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"name": getattr(plex_client.server, "friendlyName", "未命名服务器"),
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"domain": server_config.url,
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}
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)
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music_libraries = plex_client.get_libs_name_list()
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if not music_libraries:
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server_config.set_and_save_config(library_name="")
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return playlists, status, server_info, "", music_libraries
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if not selected_library or selected_library not in music_libraries:
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selected_library = music_libraries[0]
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server_config.set_and_save_config(library_name=selected_library)
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for playlist in plex_client.get_lib_playlists(selected_library) or []:
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track_count = getattr(playlist, "itemCount", None)
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if track_count is None:
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try:
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track_count = len(playlist.items())
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except Exception:
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track_count = 0
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playlists.append(
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{
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"name": playlist.title,
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"track_count": track_count,
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}
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)
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except Exception as exc:
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logger.warning(f"Failed to fetch cloud playlists: {exc}")
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status = "failed"
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playlists.sort(key=lambda item: item["name"].lower())
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return playlists, status, server_info, selected_library, music_libraries
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def _library_dicts(names: Sequence[str]) -> list[dict]:
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return [{"id": name, "title": name, "type": "artist"} for name in names]
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def _playlist_item(name: str, track_count: int, prefix: str, last_updated: float | None = None) -> PlaylistItem:
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updated_value = (
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datetime.utcfromtimestamp(last_updated).isoformat() + "Z"
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if last_updated
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else datetime.utcnow().isoformat() + "Z"
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)
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return PlaylistItem(
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id=f"{prefix}-{name}",
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title=name,
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trackCount=track_count,
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lastUpdated=updated_value,
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)
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def _scan_local_playlists_with_meta(local_path: str) -> list[PlaylistItem]:
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items: list[PlaylistItem] = []
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base_path = local_path or server_config.local_path
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if not base_path:
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return items
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absolute_path = os.path.abspath(base_path)
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if not os.path.isdir(absolute_path):
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logger.warning(f"Playlist path does not exist or is not a directory: {absolute_path}")
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return items
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for entry in os.scandir(absolute_path):
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if not entry.is_file():
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continue
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if not entry.name.lower().endswith((".m3u", ".m3u8")):
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continue
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tracks = load_local_playlist(entry.path)
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stat_info = entry.stat()
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items.append(
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_playlist_item(
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name=entry.name,
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track_count=len(tracks),
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prefix="local",
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last_updated=stat_info.st_mtime,
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)
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)
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items.sort(key=lambda playlist: playlist.title.lower())
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return items
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def _get_server_status() -> tuple[dict, str, list[dict]]:
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"""Return server connection status and available libraries."""
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server_config.load()
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if not server_config.url:
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return {"isConnected": False}, "unset", []
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connection_status = "failed"
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libraries: list[dict] = []
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server_info = {
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"isConnected": False,
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"name": "未设置",
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"ip": server_config.url,
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"port": server_config.port,
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"libraryName": server_config.library_name,
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}
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try:
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plex_client.connect(
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token=server_config.token,
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scheme=server_config.scheme,
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url=server_config.url,
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port=server_config.port,
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timeout=server_config.timeout,
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)
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connection_status = "connected" if plex_client.connected else "failed"
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server_info.update(
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{
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"isConnected": plex_client.connected,
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"name": getattr(plex_client.server, "friendlyName", "未命名服务器"),
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"ip": server_config.url,
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"port": server_config.port,
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}
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)
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if plex_client.connected:
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lib_names = plex_client.get_libs_name_list()
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libraries = _library_dicts(lib_names)
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if lib_names:
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selected_library = server_config.library_name or lib_names[0]
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if selected_library not in lib_names:
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selected_library = lib_names[0]
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server_config.set_and_save_config(library_name=selected_library)
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server_info["libraryName"] = selected_library
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except Exception as exc:
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logger.warning(f"Failed to connect to Plex server: {exc}")
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return server_info, connection_status, libraries
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class SyncModePayload(BaseModel):
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mode: SyncMode
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class RegexRulePayload(BaseModel):
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rules: list[RegexRule]
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class LibrarySelection(BaseModel):
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library_name: str
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class SyncRequest(BaseModel):
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mode: SyncMode | None = None
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local_path: str | None = None
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@app.get("/api/settings", response_model=SyncSettingsResponse)
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async def get_settings():
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server_config.load()
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rules = [
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RegexRule(pattern=rule.get("pattern", ""), replacement=rule.get("replacement", ""))
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for rule in server_config.path_rules
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]
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return SyncSettingsResponse(
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sync_mode=server_config.sync_mode,
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path_rules=rules,
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local_path=server_config.local_path,
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library_name=server_config.library_name,
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server_url=server_config.url,
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scheme=server_config.scheme,
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port=server_config.port,
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timeout=server_config.timeout,
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token=server_config.token,
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)
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@app.put("/api/settings/sync-mode")
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async def update_sync_mode(payload: SyncModePayload):
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server_config.set_and_save_config(sync_mode=payload.mode.value)
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return {"sync_mode": payload.mode.value}
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@app.get("/api/settings/regex-rules")
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async def get_regex_rules():
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server_config.load()
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return {"rules": server_config.path_rules}
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@app.put("/api/settings/regex-rules")
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async def update_regex_rules(payload: RegexRulePayload):
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server_config.set_and_save_config(path_rules=[rule.model_dump() for rule in payload.rules])
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return {"rules": payload.rules}
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@app.put("/api/settings/library")
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async def update_library(payload: LibrarySelection):
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server_config.set_and_save_config(library_name=payload.library_name)
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return {"library_name": server_config.library_name}
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@app.get("/api/server")
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async def api_server_status():
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server_info, status, libraries = _get_server_status()
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return {"status": status, "serverInfo": server_info, "libraries": libraries}
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@app.post("/api/connect", response_model=ConnectResponse)
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async def api_connect(payload: ConnectRequest):
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try:
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_, token = plex_client.connect(
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username=payload.username or "",
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password=payload.password or "",
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token=payload.token or "",
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scheme=payload.protocol,
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url=payload.address,
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port=payload.port,
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timeout=payload.timeout,
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)
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libraries = []
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selected_library = payload.library_name or server_config.library_name
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if plex_client.connected:
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lib_names = plex_client.get_libs_name_list()
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libraries = _library_dicts(lib_names)
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if lib_names:
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if not selected_library or selected_library not in lib_names:
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selected_library = lib_names[0]
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server_config.set_and_save_config(
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token=token,
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scheme=payload.protocol,
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url=payload.address,
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port=payload.port,
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timeout=payload.timeout,
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library_name=selected_library or "",
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)
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server_info = {
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"isConnected": plex_client.connected,
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"name": getattr(plex_client.server, "friendlyName", "未命名服务器") if plex_client.connected else "未命名服务器",
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"ip": payload.address,
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"port": payload.port,
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"libraryName": selected_library or "",
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"libraries": libraries,
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}
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return ConnectResponse(token=token, serverInfo=server_info)
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except Exception as exc:
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logger.warning(f"Failed to connect via API: {exc}")
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raise HTTPException(status_code=400, detail=str(exc))
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@app.get("/api/playlists")
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async def api_playlists(server: str = Query(..., pattern="(?i)^(local|cloud)$"), local_path: str | None = None):
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server_type = server.lower()
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if server_type == "local":
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resolved_path = local_path or server_config.local_path
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server_config.set_and_save_config(local_path=resolved_path)
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playlists = _scan_local_playlists_with_meta(resolved_path)
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return {"playlists": [item.model_dump() for item in playlists]}
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playlists, connection_status, server_info, selected_library, libraries = _get_cloud_playlists()
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items = [_playlist_item(item["name"], item.get("track_count", 0), "cloud") for item in playlists]
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return {
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"playlists": [item.model_dump() for item in items],
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"connection_status": connection_status,
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"server_info": server_info,
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"library": selected_library,
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"libraries": _library_dicts(libraries),
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}
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@app.post("/api/sync")
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async def api_sync(payload: SyncRequest):
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server_config.load()
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try:
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sync_mode = payload.mode or SyncMode(server_config.sync_mode)
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except ValueError as exc:
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raise HTTPException(status_code=400, detail=str(exc))
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local_dir = payload.local_path or server_config.local_path
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results = sync_all_playlists(local_dir=local_dir, mode=sync_mode, test_folder=TEST_PLAYLIST_DIR)
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merged_count = sum(len(item.merged_paths) for item in results)
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conflict_count = sum(len(item.conflicts) for item in results)
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deleted_count = sum(1 for item in results if item.action == "deleted")
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return {
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"mode": sync_mode.value,
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"merged_count": merged_count,
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"conflict_count": conflict_count,
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"delete_count": deleted_count,
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"playlist_count": len(results),
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"output_dir": TEST_PLAYLIST_DIR,
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}
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def _build_home_context(
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request: Request,
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local_path: str,
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message: str | None = None,
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message_type: str | None = None,
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sync_result: dict | None = None,
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selected_mode: str | None = None,
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):
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server_config.load()
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local_playlists = scan_local_playlists(local_path)
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(
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cloud_playlists,
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connection_status,
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server_info,
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selected_library,
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music_libraries,
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) = _get_cloud_playlists()
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return {
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"request": request,
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"theme": server_config.theme,
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"path": "/",
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"local_playlists": local_playlists,
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"local_path": local_path,
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"cloud_playlists": cloud_playlists,
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"connection_status": connection_status,
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"server_info": server_info,
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"selected_library": selected_library,
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"music_libraries": music_libraries,
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"sync_modes": SYNC_MODE_OPTIONS,
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"selected_mode": selected_mode or server_config.sync_mode,
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"message": message,
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"message_type": message_type,
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"sync_result": sync_result,
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"path_rules": server_config.path_rules,
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}
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# 显示主页
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@app.get("/", response_class=HTMLResponse)
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async def home(request: Request, local_path: str = "playlist"):
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index_path = os.path.join(FRONTEND_DIST_PATH, "index.html")
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if os.path.exists(index_path):
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return FileResponse(index_path)
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context = _build_home_context(request, local_path or server_config.local_path)
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return templates.TemplateResponse("home.html", context)
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@app.post("/sync", response_class=HTMLResponse)
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async def trigger_sync(request: Request, mode: str = Form(...), local_path: str = Form("playlist")):
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try:
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sync_mode = SyncMode(mode)
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except ValueError:
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context = _build_home_context(
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request,
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local_path,
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message=f"未知的同步策略：{mode}",
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message_type="danger",
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selected_mode=mode,
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)
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return templates.TemplateResponse("home.html", context)
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try:
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results = sync_all_playlists(
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local_dir=local_path,
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mode=sync_mode,
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test_folder=TEST_PLAYLIST_DIR,
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)
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merged_count = sum(len(item.merged_paths) for item in results)
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conflict_count = sum(len(item.conflicts) for item in results)
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deleted_count = sum(1 for item in results if item.action == "deleted")
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context = _build_home_context(
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request,
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local_path,
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message="同步完成，输出已写入测试目录用于验证。",
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message_type="success",
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sync_result={
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"mode": sync_mode.value,
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"mode_label": next(
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(item["label"] for item in SYNC_MODE_OPTIONS if item["value"] == sync_mode.value),
|
||
sync_mode.value,
|
||
),
|
||
"merged_count": merged_count,
|
||
"conflict_count": conflict_count,
|
||
"delete_count": deleted_count,
|
||
"playlist_count": len(results),
|
||
"output_dir": TEST_PLAYLIST_DIR,
|
||
},
|
||
selected_mode=sync_mode.value,
|
||
)
|
||
return templates.TemplateResponse("home.html", context)
|
||
except Exception as exc:
|
||
logger.warning(f"Sync failed: {exc}")
|
||
context = _build_home_context(
|
||
request,
|
||
local_path,
|
||
message=f"同步失败：{exc}",
|
||
message_type="danger",
|
||
selected_mode=sync_mode.value,
|
||
)
|
||
return templates.TemplateResponse("home.html", context)
|
||
|
||
|
||
@app.post("/path-rules", response_class=HTMLResponse)
|
||
async def save_path_rules(
|
||
request: Request,
|
||
local_path: str = Form("playlist"),
|
||
pattern: list[str] | None = Form(None),
|
||
replacement: list[str] | None = Form(None),
|
||
):
|
||
patterns = pattern or []
|
||
replacements = replacement or []
|
||
|
||
cleaned_rules: list[dict[str, str]] = []
|
||
for pat, repl in zip(patterns, replacements):
|
||
pat = pat.strip()
|
||
if not pat:
|
||
continue
|
||
cleaned_rules.append({"pattern": pat, "replacement": repl or ""})
|
||
|
||
server_config.set_and_save_config(path_rules=cleaned_rules)
|
||
|
||
context = _build_home_context(
|
||
request,
|
||
local_path,
|
||
message="正则规则已保存并会在同步前应用。",
|
||
message_type="success",
|
||
)
|
||
|
||
return templates.TemplateResponse("home.html", context)
|
||
|
||
|
||
# 登录页面和处理
|
||
@app.get("/login", response_class=HTMLResponse)
|
||
async def login_page(request: Request):
|
||
server_config.load()
|
||
music_libraries = []
|
||
selected_library = server_config.library_name
|
||
if server_config.url and server_config.token:
|
||
try:
|
||
plex_client.connect(
|
||
token=server_config.token,
|
||
scheme=server_config.scheme,
|
||
url=server_config.url,
|
||
port=server_config.port,
|
||
timeout=server_config.timeout,
|
||
)
|
||
music_libraries = plex_client.get_libs_name_list()
|
||
if music_libraries:
|
||
if selected_library not in music_libraries:
|
||
selected_library = music_libraries[0]
|
||
else:
|
||
selected_library = ""
|
||
except Exception:
|
||
selected_library = ""
|
||
music_libraries = []
|
||
return templates.TemplateResponse(
|
||
"login.html",
|
||
{
|
||
"request": request,
|
||
"theme": server_config.theme,
|
||
"path": "/login",
|
||
"token": server_config.token,
|
||
"scheme": server_config.scheme,
|
||
"server_url": server_config.url,
|
||
"port": server_config.port,
|
||
"music_libraries": music_libraries,
|
||
"selected_library": selected_library,
|
||
},
|
||
)
|
||
|
||
|
||
@app.post("/login", response_class=HTMLResponse)
|
||
async def login(
|
||
request: Request,
|
||
user: str = Form(...),
|
||
pw: str = Form(...),
|
||
token: str = Form(...),
|
||
scheme: str = Form("https"),
|
||
url: str = Form(...),
|
||
port: str = Form("32400"),
|
||
library_name: str = Form(""),
|
||
):
|
||
# 尝试连接到 Plex 服务器
|
||
try:
|
||
# 优先使用 token 连接，如果 token 为空则使用用户名和密码连接
|
||
_, token_success = plex_client.connect(
|
||
username=user,
|
||
password=pw,
|
||
token=token,
|
||
scheme=scheme,
|
||
url=url,
|
||
port=port,
|
||
timeout=server_config.timeout,
|
||
)
|
||
# 成功连接后保存配置到配置文件
|
||
music_libraries: list[str] = []
|
||
selected_library = ""
|
||
if plex_client.connected:
|
||
try:
|
||
music_libraries = plex_client.get_libs_name_list()
|
||
except Exception as exc:
|
||
logger.warning(f"Unable to fetch music libraries: {exc}")
|
||
music_libraries = []
|
||
if music_libraries:
|
||
if library_name and library_name in music_libraries:
|
||
selected_library = library_name
|
||
else:
|
||
selected_library = music_libraries[0]
|
||
server_config.set_and_save_config(
|
||
token=token_success,
|
||
scheme=scheme,
|
||
url=url,
|
||
port=port,
|
||
timeout=server_config.timeout,
|
||
library_name=selected_library,
|
||
)
|
||
else:
|
||
music_libraries = []
|
||
server_config.set_and_save_config(
|
||
token=token_success,
|
||
scheme=scheme,
|
||
url=url,
|
||
port=port,
|
||
timeout=server_config.timeout,
|
||
library_name="",
|
||
)
|
||
return templates.TemplateResponse(
|
||
"login.html",
|
||
{
|
||
"request": request,
|
||
"message": "连接成功",
|
||
"message_type": "success",
|
||
"theme": server_config.theme,
|
||
"path": "/login",
|
||
"token": server_config.token,
|
||
"scheme": server_config.scheme,
|
||
"server_url": server_config.url,
|
||
"port": server_config.port,
|
||
"music_libraries": music_libraries,
|
||
"selected_library": selected_library,
|
||
},
|
||
)
|
||
except Exception as e:
|
||
music_libraries = []
|
||
return templates.TemplateResponse(
|
||
"login.html",
|
||
{
|
||
"request": request,
|
||
"message": f"连接失败：{str(e)}",
|
||
"message_type": "danger",
|
||
"theme": server_config.theme,
|
||
"path": "/login",
|
||
"scheme": scheme,
|
||
"server_url": url,
|
||
"port": port,
|
||
"music_libraries": music_libraries,
|
||
"selected_library": "",
|
||
},
|
||
)
|
||
|
||
|
||
@app.get("/playlist", response_class=HTMLResponse)
|
||
async def get_playlist(request: Request):
|
||
return templates.TemplateResponse(
|
||
"playlist.html",
|
||
{"request": request, "theme": server_config.theme, "path": "/playlist"},
|
||
)
|
||
|
||
|
||
@app.post("/playlist", response_class=HTMLResponse)
|
||
async def set_playlist(
|
||
request: Request, address: str = Form(...), interval: str = Form(...)
|
||
):
|
||
# demo：返回提交的设置
|
||
return templates.TemplateResponse(
|
||
"playlist.html",
|
||
{
|
||
"request": request,
|
||
"message": f"设置成功：地址 {address}，间隔 {interval} 分钟",
|
||
"message_type": "info",
|
||
"theme": server_config.theme,
|
||
"path": "/playlist",
|
||
},
|
||
)
|
||
|
||
|
||
@app.post("/set-theme")
|
||
async def set_theme(theme: str = Form(...)):
|
||
server_config.set_and_save_config(theme=theme)
|
||
return RedirectResponse("/login", status_code=303)
|