refactor and set up authentication

app/routers/admin.py

@@ -0,0 +1,95 @@
+from fastapi import APIRouter, Depends, HTTPException, Security
+from app.models import Genre, Song, GoogleFile
+from app.dependencies import get_token_header, dbEngine
+from app.routers.user import get_current_user, User
+from typing import Annotated
+import gspread
+from gspread.urls import DRIVE_FILES_API_V3_URL
+import pandas as pd
+import numpy as np
+
+router = APIRouter(
+    prefix="/admin",
+    dependencies=[Security(get_current_user, scopes=["admin"])],
+    responses={404: {"description": "Not found"}},
+)
+
+gc = gspread.service_account(filename="service_account.json")  # type: ignore
+
+google_files: dict[str, GoogleFile] = {}
+
+spreadsheets: dict[str, gspread.Spreadsheet] = {}  # type: ignore
+
+selected_worksheets: dict[tuple[str, int], bool] = {}
+
+
+def fetch_files():
+    if not (google_files):
+        for s in gc.http_client.request("get", DRIVE_FILES_API_V3_URL).json()["files"]: #
+            google_files[s["id"]] = GoogleFile(
+                file_id=s["id"], file_name=s["name"])
+
+
+def load_spreadsheet(file_id):
+    if file_id not in spreadsheets:
+        spreadsheets[file_id] = gc.open_by_key(file_id)
+
+
+# Route to get google files (sheets)
+@router.get("/files")
+async def get_files() -> dict[str, GoogleFile]:
+    fetch_files()
+    return google_files
+
+
+@router.get("/files/{file_id}")
+def get_worksheets(file_id: str) -> dict[int, str]:
+    fetch_files()
+    if file_id not in google_files:
+        raise HTTPException(status_code=404, detail="Spreadsheet not found.")
+
+    load_spreadsheet(file_id)
+
+    # type: ignore
+    return {ws.id: ws.title for ws in spreadsheets[file_id].worksheets()}
+
+
+@router.get("/selected_worksheets")
+def list_selected_worksheet() -> dict[tuple[str, int], bool]:
+    return selected_worksheets
+
+
+@router.post("/selected_worksheets")
+def select_worksheet(file_id: str, worksheet_id: int, ignore_arrangement: bool = False):
+    selected_worksheets[(file_id, worksheet_id)] = ignore_arrangement
+
+
+@router.delete("/selected_worksheets")
+def deselect_worksheet(file_id: str, worksheet_id: int):
+    del selected_worksheets[(file_id, worksheet_id)]
+
+
+@router.post("/process_worksheets")
+def process_worksheets():
+    fetch_files()
+
+    song_list = []
+
+    for (file_id, worksheet_id), ignore_arrangement in selected_worksheets.items():
+        load_spreadsheet(file_id)
+        worksheet = spreadsheets[file_id].get_worksheet_by_id(worksheet_id)
+        worksheet_df = pd.DataFrame(worksheet.get_all_records())
+
+        last_column = np.where(worksheet_df.columns == "Kommentare")[0][0]
+
+        worksheet_df = worksheet_df.iloc[:, 0:last_column+1]
+
+        worksheet_df["Ignore Arrangement"] = ignore_arrangement
+
+        song_list.append(worksheet_df)
+
+    song_list = pd.concat(song_list)
+
+    song_list.to_sql(name='songs', con=dbEngine,
+                     index=False, if_exists='append')
+    # song_list.to_csv("song-list.csv")