Improve hashtag API

src/server/api/endpoints/hashtags/list.ts

@@ -92,5 +92,5 @@ export default define(meta, async (ps, me) => {
 
 	const tags = await query.take(ps.limit!).getMany();
 
-	return tags;
+	return Hashtags.packMany(tags);
 });

src/server/api/endpoints/hashtags/show.ts

@@ -0,0 +1,48 @@
+import $ from 'cafy';
+import define from '../../define';
+import { ApiError } from '../../error';
+import { Hashtags } from '../../../../models';
+import { types, bool } from '../../../../misc/schema';
+
+export const meta = {
+	desc: {
+		'ja-JP': '指定したハッシュタグの情報を取得します。',
+	},
+
+	tags: ['hashtags'],
+
+	requireCredential: false,
+
+	params: {
+		tag: {
+			validator: $.str,
+			desc: {
+				'ja-JP': '対象のハッシュタグ(#なし)',
+				'en-US': 'Target hashtag. (no # prefixed)'
+			}
+		}
+	},
+
+	res: {
+		type: types.object,
+		optional: bool.false, nullable: bool.false,
+		ref: 'Hashtag',
+	},
+
+	errors: {
+		noSuchHashtag: {
+			message: 'No such hashtag.',
+			code: 'NO_SUCH_HASHTAG',
+			id: '110ee688-193e-4a3a-9ecf-c167b2e6981e'
+		}
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	const hashtag = await Hashtags.findOne({ name: ps.tag.toLowerCase() });
+	if (hashtag == null) {
+		throw new ApiError(meta.errors.noSuchHashtag);
+	}
+
+	return await Hashtags.pack(hashtag);
+});