Moderate content in embeds (#3525)

* move info to its own file

* Revert "move info to its own file"

This reverts commit 1d45a2f403.

* better way

* all cases

* pass labelInfo to ImageEmbed

* blur avatars

* add back as string

* one more as string

* external embed

* add back as string again

bskyembed/src/labels.ts

@@ -0,0 +1,21 @@
+import {AppBskyFeedDefs} from '@atproto/api'
+
+export const CONTENT_LABELS = ['porn', 'sexual', 'nudity', 'graphic-media']
+
+export function labelsToInfo(
+  labels?: AppBskyFeedDefs.PostView['labels'],
+): string | undefined {
+  const label = labels?.find(label => CONTENT_LABELS.includes(label.val))
+
+  switch (label?.val) {
+    case 'porn':
+    case 'sexual':
+      return 'Adult Content'
+    case 'nudity':
+      return 'Non-sexual Nudity'
+    case 'graphic-media':
+      return 'Graphic Media'
+    default:
+      return undefined
+  }
+}