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path: root/solo-tool-project/src/solo_tool/session_manager.py
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from typing import BinaryIO, Protocol
from abc import abstractmethod
from glob import glob
import json
from pathlib import Path
from . import SoloTool
import requests

class SessionManager(Protocol):
    @abstractmethod
    def getSessions(self) -> list[str]:
        raise NotImplementedError

    @abstractmethod
    def loadSession(self, key: str, player=None) -> SoloTool:
        raise NotImplementedError

    @abstractmethod
    def saveSession(self, soloTool: SoloTool, key: str) -> None:
        raise NotImplementedError

    @staticmethod
    def _dict2st(session: dict, player) -> SoloTool:
        st = SoloTool(player=player)

        for i, entry in enumerate(session):
            songPath = entry["path"]
            keyPoints = entry["key_points"]

            st.addSong(songPath)
            st._keyPoints[i] = keyPoints

        return st

    @staticmethod
    def _st2dict(soloTool: SoloTool) -> dict:
        session = []
        for i, song in enumerate(soloTool.songs):
            entry = {
                "path": song,
                "key_points" : soloTool._keyPoints[i]
            }
            session.append(entry)
        return session

class _FileSystemSessionManager(SessionManager):
    def __init__(self, sessionPath: str):
        self._sessionPath = Path(sessionPath)

    def getSessions(self) -> list[str]:
        return [Path(f).stem for f in glob(f"{self._sessionPath}/*.json")]

    def loadSession(self, key: str, player=None) -> SoloTool:
        with open(self._sessionPath / f"{key}.json", "r") as f:
            session = json.load(f)
        return SessionManager._dict2st(session, player)

    def saveSession(self, soloTool: SoloTool, key: str) -> None:
        session = SessionManager._st2dict(soloTool)
        with open(self._sessionPath / f"{key}.json", "w") as f:
            json.dump(session, f)

class _FileBrowserSessionManager(SessionManager):
    def __init__(self, sessionUrl: str):
        self._baseUrl = "https://files.0xf7.com"
        self._username = "solo-tool"
        self._password = "mwC0ML8vLpJLPCLHKuxkiOxtIaE"
        self._apiKey = self._getApiKey()

    def getSessions(self) -> list[str]:
        url = f"{self._baseUrl}/api/resources/sessions"
        response = requests.get(url, headers={"X-Auth":self._apiKey})
        response.raise_for_status()
        return [item["name"][0:-5] for item in response.json()["items"] if item["extension"] == ".json"]

    def loadSession(self, key: str, player=None) -> SoloTool:
        url = f"{self._baseUrl}/api/raw/sessions/{key}.json"
        response = requests.get(url, headers={"X-Auth":self._apiKey})
        response.raise_for_status()
        return SessionManager._dict2st(json.loads(response.content), player=player)

    def saveSession(self, soloTool: SoloTool, key: str) -> None:
        pass

    def _getApiKey(self) -> str:
        response = requests.post(f"{self._baseUrl}/api/login", json={"username":self._username, "password":self._password})
        return response.content

def getSessionManager(sessionPath: str) -> SessionManager:
    from re import search
    match = search(r"^([a-z0-9]+://)", sessionPath)
    if not match or match.group(0) == "file://":
        return _FileSystemSessionManager(sessionPath)
    elif match.group(0) in ["http://", "https://"]:
        return _FileBrowserSessionManager(sessionPath)