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/aggregation/users.ts | 61 +++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/server/api/endpoints/aggregation/users.ts

(limited to 'src/server/api/endpoints/aggregation/users.ts')

diff --git a/src/server/api/endpoints/aggregation/users.ts b/src/server/api/endpoints/aggregation/users.ts
new file mode 100644
index 0000000000..e38ce92ff9
--- /dev/null
+++ b/src/server/api/endpoints/aggregation/users.ts
@@ -0,0 +1,61 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import User from '../../models/user';
+
+/**
+ * Aggregate users
+ *
+ * @param {any} params
+ * @return {Promise<any>}
+ */
+module.exports = params => new Promise(async (res, rej) => {
+	// Get 'limit' parameter
+	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).$;
+	if (limitErr) return rej('invalid limit param');
+
+	const users = await User
+		.find({}, {
+			sort: {
+				_id: -1
+			},
+			fields: {
+				_id: false,
+				created_at: true,
+				deleted_at: true
+			}
+		});
+
+	const graph = [];
+
+	for (let i = 0; i < limit; i++) {
+		let dayStart = new Date(new Date().setDate(new Date().getDate() - i));
+		dayStart = new Date(dayStart.setMilliseconds(0));
+		dayStart = new Date(dayStart.setSeconds(0));
+		dayStart = new Date(dayStart.setMinutes(0));
+		dayStart = new Date(dayStart.setHours(0));
+
+		let dayEnd = new Date(new Date().setDate(new Date().getDate() - i));
+		dayEnd = new Date(dayEnd.setMilliseconds(999));
+		dayEnd = new Date(dayEnd.setSeconds(59));
+		dayEnd = new Date(dayEnd.setMinutes(59));
+		dayEnd = new Date(dayEnd.setHours(23));
+		// day = day.getTime();
+
+		const total = users.filter(u =>
+			u.created_at < dayEnd && (u.deleted_at == null || u.deleted_at > dayEnd)
+		).length;
+
+		const created = users.filter(u =>
+			u.created_at < dayEnd && u.created_at > dayStart
+		).length;
+
+		graph.push({
+			total: total,
+			created: created
+		});
+	}
+
+	res(graph);
+});
-- 
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