feat: script to populate mime-type

deno.json

@@ -22,6 +22,7 @@
     "trends": "deno run -A --env-file --deny-read=.env scripts/trends.ts",
     "clean:deps": "deno cache --reload src/app.ts",
     "db:populate-search": "deno run -A --env-file --deny-read=.env scripts/db-populate-search.ts",
+    "db:populate-mime-type": "deno run -A --env-file --deny-read=.env scripts/db-populate-mime-type.ts",
     "vapid": "deno run scripts/vapid.ts"
   },
   "unstable": [

scripts/db-populate-mime-type.ts

@@ -0,0 +1,29 @@
+import { Storages } from '@/storages.ts';
+
+const store = await Storages.db();
+const kysely = await Storages.kysely();
+
+for await (const msg of store.req([{ kinds: [1] }])) { // Only kind 1 can contain media in Ditto?
+  if (msg[0] === 'EVENT') {
+    const event = msg[2];
+
+    const imeta = event.tags.find(([value]) => value === 'imeta');
+    if (!imeta) continue;
+
+    const mime_type = imeta.find((value) => value?.split(' ')[0] === 'm')?.split(' ')[1];
+    if (!mime_type) continue;
+
+    try {
+      await kysely.updateTable('nostr_events')
+        .set('mime_type', mime_type)
+        .where('id', '=', event.id)
+        .execute();
+    } catch {
+      // do nothing
+    }
+  } else {
+    break;
+  }
+}
+
+Deno.exit();