Unify public share URLs

src/common/utils/share-url.util.ts

@@ -0,0 +1,37 @@
+import { ConfigService } from '@nestjs/config';
+
+const DEFAULT_SHARE_BASE_URL = 'https://oudelaa.com';
+
+export const normalizeShareBaseUrl = (value: string | undefined | null): string =>
+  (value?.trim() || DEFAULT_SHARE_BASE_URL).replace(/\/+$/, '');
+
+export const resolveShareBaseUrl = (configService?: ConfigService): string => {
+  const configured =
+    process.env.SHARE_BASE_URL?.trim() ||
+    process.env.PUBLIC_WEB_URL?.trim() ||
+    configService?.get<string>('shareBaseUrl', { infer: true }) ||
+    configService?.get<string>('publicWebUrl', { infer: true }) ||
+    '';
+
+  return normalizeShareBaseUrl(configured);
+};
+
+export const buildProfileShareUrl = (
+  baseUrl: string,
+  user: { id?: unknown; _id?: unknown; username?: unknown },
+): string => {
+  const username = typeof user.username === 'string' ? user.username.trim() : '';
+  if (username) {
+    return `${baseUrl}/u/${encodeURIComponent(username)}`;
+  }
+
+  const candidate = user.id ?? user._id;
+  const userId = candidate?.toString?.() ?? String(candidate ?? '');
+  return `${baseUrl}/profile/${encodeURIComponent(userId)}`;
+};
+
+export const buildPostShareUrl = (baseUrl: string, postId: string): string =>
+  `${baseUrl}/posts/${encodeURIComponent(postId)}`;
+
+export const buildAiMusicShareUrl = (baseUrl: string, archiveItemId: string): string =>
+  `${baseUrl}/ai/music/${encodeURIComponent(archiveItemId)}`;