refactor and add list_snippets

lib/nostr/utils.ts

@@ -1,9 +1,8 @@
 import type { NDKEvent, NDKSigner } from "@nostr-dev-kit/ndk";
 import { NDKPrivateKeySigner } from "@nostr-dev-kit/ndk";
 import { ndk } from "../../ndk.js";
-import { queryUser } from "../../users.js";
-import type { CodeSnippet } from "../types/index.js";
 import { getUser } from "../../config.js";
+import { toPubkeys, toSnippet } from "../converters/index.js";
 
 export const SNIPPET_KIND = 1337;
 
@@ -32,45 +31,5 @@ export async function getSigner(username?: string): Promise<NDKSigner> {
     return new NDKPrivateKeySigner(userData.nsec);
 }
 
-/**
- * Converts an identifier (pubkey, npub, or name) to pubkeys
- * @param identifier The identifier to convert
- * @returns Array of pubkeys
- */
-export function identifierToPubkeys(identifier: string): string[] {
-    // If it's an npub, convert directly
-    if (identifier.startsWith("npub")) {
-        return [ndk.getUser({ npub: identifier }).pubkey];
-    }
-
-    // If it's a hex pubkey, return as is
-    if (identifier.length === 64 && /^[0-9a-f]+$/i.test(identifier)) {
-        return [identifier];
-    }
-
-    // Otherwise, search by profile name or other attributes
-    return queryUser(identifier);
-}
-
-/**
- * Converts an NDKEvent into a CodeSnippet
- * @param event NDKEvent of kind 1337
- * @returns CodeSnippet object
- */
-export function eventToSnippet(event: NDKEvent): CodeSnippet {
-    const title = event.tagValue("title") ?? event.tagValue("name");
-    const language = event.tagValue("l");
-    const tags = event.tags
-        .filter((tag) => tag[0] === "t" && tag[1] !== undefined)
-        .map((tag) => tag[1] as string);
-
-    return {
-        id: event.id,
-        title: title || "Untitled",
-        code: event.content,
-        language: language || "text",
-        pubkey: event.pubkey,
-        createdAt: event.created_at || 0,
-        tags,
-    };
-}
+// Re-export converter functions for backward compatibility
+export { toPubkeys as identifierToPubkeys, toSnippet as eventToSnippet };