krz/hutch-stats

 1from __future__ import annotations
 2
 3from fastapi import HTTPException, status
 4
 5
 6def canonicalize_repository_name(actor: str, repo_name: str) -> str:
 7    normalized_actor = actor.strip()
 8    normalized_repo_name = repo_name.strip()
 9
10    if not normalized_actor:
11        raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_CONTENT, detail="Actor must not be blank.")
12    if not normalized_repo_name:
13        raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_CONTENT, detail="Repository name must not be blank.")
14
15    if "/" in normalized_repo_name:
16        owner, name = normalized_repo_name.split("/", 1)
17        owner = owner.strip()
18        name = name.strip()
19        if not owner or not name or "/" in name:
20            raise HTTPException(
21                status_code=status.HTTP_422_UNPROCESSABLE_CONTENT,
22                detail="Repository name must be `name` or `~owner/name`.",
23            )
24        canonical_owner = owner if owner.startswith("~") else f"~{owner}"
25        return f"{canonical_owner}/{name}"
26
27    if "/" in normalized_actor:
28        raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_CONTENT, detail="Actor must be a canonical sr.ht user.")
29
30    canonical_actor = normalized_actor if normalized_actor.startswith("~") else f"~{normalized_actor}"
31    return f"{canonical_actor}/{normalized_repo_name}"