From d6af0bb78ba2cd179161139b7ae20655e69a98c1 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Fri, 3 Mar 2017 05:52:12 +0900
Subject: wip

---
 src/api/endpoints/posts/likes.ts | 62 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/api/endpoints/posts/likes.ts

(limited to 'src/api/endpoints/posts/likes.ts')

diff --git a/src/api/endpoints/posts/likes.ts b/src/api/endpoints/posts/likes.ts
new file mode 100644
index 0000000000..5c18679d7c
--- /dev/null
+++ b/src/api/endpoints/posts/likes.ts
@@ -0,0 +1,62 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import it from '../../it';
+import Post from '../../models/post';
+import Like from '../../models/like';
+import serialize from '../../serializers/user';
+
+/**
+ * Show a likes of a post
+ *
+ * @param {any} params
+ * @param {any} user
+ * @return {Promise<any>}
+ */
+module.exports = (params, user) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'post_id' parameter
+	const [postId, postIdErr] = it(params.post_id, 'id', true);
+	if (postIdErr) return rej('invalid post_id');
+
+	// Get 'limit' parameter
+	const [limit, limitErr] = it(params.limit).expect.number().range(1, 100).default(10).qed();
+	if (limitErr) return rej('invalid limit');
+
+	// Get 'offset' parameter
+	const [offset, offsetErr] = it(params.offset).expect.number().min(0).default(0).qed();
+	if (offsetErr) return rej('invalid offset');
+
+	// Get 'sort' parameter
+	const [sort] = it(params.sort).expect.string().or('desc asc').default('desc').qed();
+	let sort = params.sort || 'desc';
+
+	// Lookup post
+	const post = await Post.findOne({
+		_id: new mongo.ObjectID(postId)
+	});
+
+	if (post === null) {
+		return rej('post not found');
+	}
+
+	// Issue query
+	const likes = await Like
+		.find({
+			post_id: post._id,
+			deleted_at: { $exists: false }
+		}, {
+			limit: limit,
+			skip: offset,
+			sort: {
+				_id: sort == 'asc' ? 1 : -1
+			}
+		});
+
+	// Serialize
+	res(await Promise.all(likes.map(async like =>
+		await serialize(like.user_id, user))));
+});
-- 
cgit v1.2.3-freya