Use proxy for fetching link meta (#716)

* Use proxy for fetching link meta

* Remove link meta test due to hitting proxy

* setup different staging and prod proxy URLs

---------

Co-authored-by: Ansh Nanda <anshnanda10@gmail.com>
Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/lib/constants.ts

@@ -144,3 +144,18 @@ export const POST_IMG_MAX = {
   height: 2000,
   size: 1000000,
 }
+
+export const STAGING_LINK_META_PROXY =
+  'https://cardyb.staging.bsky.dev/v1/extract?url='
+
+export const PROD_LINK_META_PROXY = 'https://cardyb.bsky.app/v1/extract?url='
+
+export function LINK_META_PROXY(serviceUrl: string) {
+  if (serviceUrl.includes('localhost')) {
+    return STAGING_LINK_META_PROXY
+  } else if (serviceUrl.includes('staging')) {
+    return STAGING_LINK_META_PROXY
+  } else {
+    return PROD_LINK_META_PROXY
+  }
+}