From b3f42e62af698a67c2250533c437569559f1fdf9 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Thu, 29 Dec 2016 07:49:51 +0900
Subject: Initial commit :four_leaf_clover:

---
 src/api/endpoints/posts/mentions.js | 85 +++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 src/api/endpoints/posts/mentions.js

(limited to 'src/api/endpoints/posts/mentions.js')

diff --git a/src/api/endpoints/posts/mentions.js b/src/api/endpoints/posts/mentions.js
new file mode 100644
index 0000000000..6358e1f4a9
--- /dev/null
+++ b/src/api/endpoints/posts/mentions.js
@@ -0,0 +1,85 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import * as mongo from 'mongodb';
+import Post from '../../models/post';
+import getFriends from '../../common/get-friends';
+import serialize from '../../serializers/post';
+
+/**
+ * Get mentions of myself
+ *
+ * @param {Object} params
+ * @param {Object} user
+ * @return {Promise<object>}
+ */
+module.exports = (params, user) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'following' parameter
+	const following = params.following === 'true';
+
+	// Get 'limit' parameter
+	let limit = params.limit;
+	if (limit !== undefined && limit !== null) {
+		limit = parseInt(limit, 10);
+
+		// From 1 to 100
+		if (!(1 <= limit && limit <= 100)) {
+			return rej('invalid limit range');
+		}
+	} else {
+		limit = 10;
+	}
+
+	const since = params.since_id || null;
+	const max = params.max_id || null;
+
+	// Check if both of since_id and max_id is specified
+	if (since !== null && max !== null) {
+		return rej('cannot set since_id and max_id');
+	}
+
+	// Construct query
+	const query = {
+		mentions: user._id
+	};
+
+	const sort = {
+		_id: -1
+	};
+
+	if (following) {
+		const followingIds = await getFriends(user._id);
+
+		query.user_id = {
+			$in: followingIds
+		};
+	}
+
+	if (since) {
+		sort._id = 1;
+		query._id = {
+			$gt: new mongo.ObjectID(since)
+		};
+	} else if (max) {
+		query._id = {
+			$lt: new mongo.ObjectID(max)
+		};
+	}
+
+	// Issue query
+	const mentions = await Post
+		.find(query, {}, {
+			limit: limit,
+			sort: sort
+		})
+		.toArray();
+
+	// Serialize
+	res(await Promise.all(mentions.map(async mention =>
+		await serialize(mention, user)
+	)));
+});
-- 
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