feat: add analytics page data caching

mail-worker/src/service/analysis-service.js

@@ -9,7 +9,30 @@ import { toUtc } from '../utils/date-uitil';
 const analysisService = {
 
 	async echarts(c, params) {
+		const cacheKey = this.echartsCacheKey(params);
+		const cache = await c.env.kv.get(cacheKey, { type: 'json' });
 
+		if (cache) {
+			return cache;
+		}
+
+		return await this.refreshEchartsCacheByKey(c, cacheKey);
+	},
+
+	async refreshEchartsCacheByKey(c, cacheKey) {
+		const params = this.echartsParamsByCacheKey(cacheKey);
+		const data = await this.queryEcharts(c, params);
+		await c.env.kv.put(cacheKey, JSON.stringify(data));
+		return data;
+	},
+
+	async refreshEchartsCache(c) {
+		const { keys } = await c.env.kv.list({ prefix: kvConst.ANALYSIS_ECHARTS });
+
+		await Promise.all(keys.map(key => this.refreshEchartsCacheByKey(c, key.name)));
+	},
+
+	async queryEcharts(c, params) {
 
 		const { timeZone } = params;
 
@@ -84,6 +107,16 @@ const analysisService = {
 			return {date: day,total}
 		})
 
+	},
+
+	echartsCacheKey(params = {}) {
+		return kvConst.ANALYSIS_ECHARTS + encodeURIComponent(params.timeZone || 'UTC');
+	},
+
+	echartsParamsByCacheKey(cacheKey) {
+		return {
+			timeZone: decodeURIComponent(cacheKey.replace(kvConst.ANALYSIS_ECHARTS, ''))
+		};
 	}
 }