1 files changed, 50 insertions, 0 deletions
diff --git a/packages/backend/src/server/api/endpoints/promo/read.ts b/packages/backend/src/server/api/endpoints/promo/read.ts
new file mode 100644
index 0000000000..ae57bf9cf1
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/promo/read.ts
@@ -0,0 +1,50 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../define';
+import { ApiError } from '../../error';
+import { getNote } from '../../common/getters';
+import { PromoReads } from '@/models/index';
+import { genId } from '@/misc/gen-id';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: true as const,
+
+	params: {
+		noteId: {
+			validator: $.type(ID),
+		}
+	},
+
+	errors: {
+		noSuchNote: {
+			message: 'No such note.',
+			code: 'NO_SUCH_NOTE',
+			id: 'd785b897-fcd3-4fe9-8fc3-b85c26e6c932'
+		},
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	const note = await getNote(ps.noteId).catch(e => {
+		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
+		throw e;
+	});
+
+	const exist = await PromoReads.findOne({
+		noteId: note.id,
+		userId: user.id
+	});
+
+	if (exist != null) {
+		return;
+	}
+
+	await PromoReads.insert({
+		id: genId(),
+		createdAt: new Date(),
+		noteId: note.id,
+		userId: user.id
+	});
+});