| 1 | import type { Comment } from "@g1t/contracts"; |
| 2 | |
| 3 | /** |
| 4 | * Whether the viewer may edit or delete a comment: its author may, and so |
| 5 | * may someone with the Maintain role or higher (`canModerate`). Notes of |
| 6 | * what happened are nobody's to change, and a review's verdict stays, so a |
| 7 | * review can be edited but not deleted. The work service decides; this |
| 8 | * only says which buttons to show. |
| 9 | */ |
| 10 | export function mayChangeComment( |
| 11 | comment: Pick<Comment, "kind" | "verdict"> & |
| 12 | Partial<Pick<Comment, "advisory">> & { author: { id: string }; actingFor?: { id: string } | null }, |
| 13 | viewerId: string | null | undefined, |
| 14 | canModerate: boolean, |
| 15 | ): { edit: boolean; delete: boolean } { |
| 16 | // What an agent wrote as itself is answered for by whoever it acted for. |
| 17 | const answerable = comment.actingFor?.id ?? comment.author.id; |
| 18 | const allowed = comment.kind === "comment" && viewerId != null && (answerable === viewerId || canModerate); |
| 19 | return { edit: allowed, delete: allowed && comment.verdict == null && !comment.advisory }; |
| 20 | } |