From caf945765335c81d4785b7a108c1944aa0f2af26 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sat, 25 Mar 2017 16:43:55 +0900
Subject: #321

---
 src/api/endpoints/posts/polls/recommendation.ts | 57 +++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/api/endpoints/posts/polls/recommendation.ts

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

diff --git a/src/api/endpoints/posts/polls/recommendation.ts b/src/api/endpoints/posts/polls/recommendation.ts
new file mode 100644
index 0000000000..d3fccf1233
--- /dev/null
+++ b/src/api/endpoints/posts/polls/recommendation.ts
@@ -0,0 +1,57 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import Vote from '../../../models/poll-vote';
+import Post from '../../../models/post';
+import serialize from '../../../serializers/post';
+
+/**
+ * Get recommended polls
+ *
+ * @param {any} params
+ * @param {any} user
+ * @return {Promise<any>}
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	// Get 'limit' parameter
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	if (limitErr) return rej('invalid limit param');
+
+	// Get 'offset' parameter
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	if (offsetErr) return rej('invalid offset param');
+
+	// Get votes
+	const votes = await Vote.find({
+		user_id: user._id
+	}, {
+		fields: {
+			_id: false,
+			post_id: true
+		}
+	});
+
+	const nin = votes && votes.length != 0 ? votes.map(v => v.post_id) : [];
+
+	const posts = await Post
+		.find({
+			_id: {
+				$nin: nin
+			},
+			poll: {
+				$exists: true,
+				$ne: null
+			}
+		}, {
+			limit: limit,
+			skip: offset,
+			sort: {
+				_id: -1
+			}
+		});
+
+	// Serialize
+	res(await Promise.all(posts.map(async post =>
+		await serialize(post, user, { detail: true }))));
+});
-- 
cgit v1.2.3-freya