From 90f8fe7e538bb7e52d2558152a0390e693f39b11 Mon Sep 17 00:00:00 2001
From: Akihiko Odaki <nekomanma@pixiv.co.jp>
Date: Thu, 29 Mar 2018 01:20:40 +0900
Subject: Introduce processor

---
 src/server/api/endpoints/posts/trend.ts | 79 +++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/server/api/endpoints/posts/trend.ts

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

diff --git a/src/server/api/endpoints/posts/trend.ts b/src/server/api/endpoints/posts/trend.ts
new file mode 100644
index 0000000000..caded92bf5
--- /dev/null
+++ b/src/server/api/endpoints/posts/trend.ts
@@ -0,0 +1,79 @@
+/**
+ * Module dependencies
+ */
+const ms = require('ms');
+import $ from 'cafy';
+import Post, { pack } from '../../models/post';
+
+/**
+ * Get trend posts
+ *
+ * @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 'reply' parameter
+	const [reply, replyErr] = $(params.reply).optional.boolean().$;
+	if (replyErr) return rej('invalid reply param');
+
+	// Get 'repost' parameter
+	const [repost, repostErr] = $(params.repost).optional.boolean().$;
+	if (repostErr) return rej('invalid repost param');
+
+	// Get 'media' parameter
+	const [media, mediaErr] = $(params.media).optional.boolean().$;
+	if (mediaErr) return rej('invalid media param');
+
+	// Get 'poll' parameter
+	const [poll, pollErr] = $(params.poll).optional.boolean().$;
+	if (pollErr) return rej('invalid poll param');
+
+	const query = {
+		created_at: {
+			$gte: new Date(Date.now() - ms('1days'))
+		},
+		repost_count: {
+			$gt: 0
+		}
+	} as any;
+
+	if (reply != undefined) {
+		query.reply_id = reply ? { $exists: true, $ne: null } : null;
+	}
+
+	if (repost != undefined) {
+		query.repost_id = repost ? { $exists: true, $ne: null } : null;
+	}
+
+	if (media != undefined) {
+		query.media_ids = media ? { $exists: true, $ne: null } : null;
+	}
+
+	if (poll != undefined) {
+		query.poll = poll ? { $exists: true, $ne: null } : null;
+	}
+
+	// Issue query
+	const posts = await Post
+		.find(query, {
+			limit: limit,
+			skip: offset,
+			sort: {
+				repost_count: -1,
+				_id: -1
+			}
+		});
+
+	// Serialize
+	res(await Promise.all(posts.map(async post =>
+		await pack(post, user, { detail: true }))));
+});
-- 
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