allow to edit files

routes/side/upload.py

@@ -1,55 +1,14 @@
 from my_modules.decoratory.header import login_required
+from my_modules.expiry import parse_expires, ensure_utc
+from my_modules.file_meta import iso_stamp_filename, format_size
 
 from quart import Blueprint, request, jsonify, current_app
-from datetime import datetime, timedelta, timezone
-import aiofiles, asyncio, re
+import asyncio
 
 upload_bp = Blueprint("upload_bp", __name__)
 
 # --- Helpers -----------------------------------------------------
 
-PRESET_H = re.compile(r"^(\d+)h$")
-PRESET_D = re.compile(r"^(\d+)d$")
-
-def iso_stamp_filename(prefix: str, ext: str) -> str:
-  """Generate timestamped filename, e.g. pasted-2025-10-23T121212Z.png"""
-  ts = datetime.now(timezone.utc).isoformat()
-  ts = ts.replace(":", "").split(".")[0]
-  if ts.endswith("+00:00"):
-    ts = ts.replace("+00:00", "Z")
-  return f"{prefix}-{ts}.{ext}"
-
-def parse_expires(value: str | None) -> datetime | None:
-  """Parse expiration presets or ISO datetime."""
-  if not value:
-    return None
-  value = value.strip()
-  if m := PRESET_H.match(value):
-    return datetime.now(timezone.utc) + timedelta(hours=int(m.group(1)))
-  if m := PRESET_D.match(value):
-    return datetime.now(timezone.utc) + timedelta(days=int(m.group(1)))
-  try:
-    return datetime.fromisoformat(value.replace("Z", "+00:00")).astimezone(timezone.utc)
-  except Exception:
-    return None
-
-def format_size(num_bytes: int) -> str:
-  """Return a human-readable file size (e.g., '2.3 MB', '10 Bytes')."""
-  if num_bytes < 1024:
-    return f"{num_bytes} Byte{'s' if num_bytes != 1 else ''}"
-
-  units = ["KB", "MB", "GB", "TB", "PB", "EB"]
-  size = float(num_bytes)
-  for unit in units:
-    size /= 1024.0
-    if size < 1024.0 or unit == units[-1]:
-      # 1 decimal place; drop trailing .0 (optional)
-      val = f"{size:.1f}"
-      if val.endswith(".0"):
-        val = val[:-2]
-      return f"{val} {unit}"
-  return f"{num_bytes} Bytes"  # fallback
-
 async def read_all(uploaded) -> bytes:
   """Read all bytes from an uploaded file, handling sync or async .read()."""
   reader = getattr(uploaded, "read", None)
@@ -63,14 +22,6 @@ async def read_all(uploaded) -> bytes:
     return await data
   return data
 
-def ensure_utc(dt:datetime):
-    """Ensure a timezone-aware UTC datetime or None."""
-    if dt is None:
-      return None
-    if dt.tzinfo is None:
-      return dt.replace(tzinfo=timezone.utc)
-    return dt.astimezone(timezone.utc)
-
 # --- Routes ------------------------------------------------------
 
 @upload_bp.post("/api/upload")