From aba85b977dfc868c1a65ce06ed58ea59d0371f7f Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Fri, 8 Feb 2019 04:31:33 +0900
Subject: Refactoring: Move chart dir into services dir

---
 src/services/chart/federation.ts | 66 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 src/services/chart/federation.ts

(limited to 'src/services/chart/federation.ts')

diff --git a/src/services/chart/federation.ts b/src/services/chart/federation.ts
new file mode 100644
index 0000000000..20da7a7421
--- /dev/null
+++ b/src/services/chart/federation.ts
@@ -0,0 +1,66 @@
+import autobind from 'autobind-decorator';
+import Chart, { Obj } from '.';
+import Instance from '../../models/instance';
+
+/**
+ * フェデレーションに関するチャート
+ */
+type FederationLog = {
+	instance: {
+		/**
+		 * インスタンス数の合計
+		 */
+		total: number;
+
+		/**
+		 * 増加インスタンス数
+		 */
+		inc: number;
+
+		/**
+		 * 減少インスタンス数
+		 */
+		dec: number;
+	};
+};
+
+class FederationChart extends Chart<FederationLog> {
+	constructor() {
+		super('federation');
+	}
+
+	@autobind
+	protected async getTemplate(init: boolean, latest?: FederationLog): Promise<FederationLog> {
+		const [total] = init ? await Promise.all([
+			Instance.count({})
+		]) : [
+			latest ? latest.instance.total : 0
+		];
+
+		return {
+			instance: {
+				total: total,
+				inc: 0,
+				dec: 0
+			}
+		};
+	}
+
+	@autobind
+	public async update(isAdditional: boolean) {
+		const update: Obj = {};
+
+		update.total = isAdditional ? 1 : -1;
+		if (isAdditional) {
+			update.inc = 1;
+		} else {
+			update.dec = 1;
+		}
+
+		await this.inc({
+			instance: update
+		});
+	}
+}
+
+export default new FederationChart();
-- 
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