{"version":3,"file":"weekly-metrics.mjs","sources":["../../../server/src/services/weekly-metrics.ts"],"sourcesContent":["import { defaultTo } from 'lodash/fp';\nimport { add } from 'date-fns';\n\nimport type { Core } from '@strapi/types';\n\nimport { getWeeklyCronScheduleAt } from '../utils/cron';\nimport { FOLDER_MODEL_UID, FILE_MODEL_UID } from '../constants';\nimport { getService } from '../utils';\n\ntype MetricStoreValue = {\n lastWeeklyUpdate?: number;\n weeklySchedule?: string;\n};\n\nconst ONE_WEEK = 7 * 24 * 60 * 60 * 1000;\n\nconst getMetricsStoreValue = async (): Promise => {\n const value = await strapi.store.get({ type: 'plugin', name: 'upload', key: 'metrics' });\n return defaultTo({}, value) as MetricStoreValue;\n};\nconst setMetricsStoreValue = (value: MetricStoreValue) =>\n strapi.store.set({ type: 'plugin', name: 'upload', key: 'metrics', value });\n\nexport default ({ strapi }: { strapi: Core.Strapi }) => ({\n async computeMetrics() {\n // Folder metrics\n // @ts-expect-error - no dynamic types for the metadata\n const pathColName = strapi.db.metadata.get(FOLDER_MODEL_UID).attributes.path.columnName;\n const folderTable = strapi.getModel(FOLDER_MODEL_UID).collectionName;\n\n let keepOnlySlashesSQLString = '??';\n const queryParams = [pathColName];\n for (let i = 0; i < 10; i += 1) {\n keepOnlySlashesSQLString = `REPLACE(${keepOnlySlashesSQLString}, ?, ?)`;\n queryParams.push(String(i), '');\n }\n\n /*\n The following query goal is to count the number of folders with depth 1, depth 2 etc.\n The query returns :\n [\n { depth: 1, occurence: 4 },\n { depth: 2, occurence: 2 },\n { depth: 3, occurence: 5 },\n ]\n\n The query is built as follow:\n 1. In order to get the depth level of a folder:\n - we take their path\n - remove all numbers (by replacing 0123456789 by '', thus the 10 REPLACE in the query)\n - count the remaining `/`, which correspond to their depth (by using LENGTH)\n We now have, for each folder, its depth.\n 2. In order to get the number of folders for each depth:\n - we group them by their depth and use COUNT(*)\n */\n\n const res = (await strapi.db\n .getConnection(folderTable)\n .select(\n strapi.db.connection.raw(\n `LENGTH(${keepOnlySlashesSQLString}) AS depth, COUNT(*) AS occurence`,\n queryParams\n )\n )\n .groupBy('depth')) as Array<{ depth: string; occurence: string }>;\n\n const folderLevelsArray = res.map((map) => ({\n depth: Number(map.depth),\n occurence: Number(map.occurence),\n })); // values can be strings depending on the database\n\n let product = 0;\n let folderNumber = 0;\n let maxDepth = 0;\n for (const folderLevel of folderLevelsArray) {\n product += folderLevel.depth * folderLevel.occurence;\n folderNumber += folderLevel.occurence;\n if (folderLevel.depth > maxDepth) {\n maxDepth = folderLevel.depth;\n }\n }\n const averageDepth = folderNumber !== 0 ? product / folderNumber : 0;\n\n let sumOfDeviation = 0;\n for (const folderLevel of folderLevelsArray) {\n sumOfDeviation += Math.abs(folderLevel.depth - averageDepth) * folderLevel.occurence;\n }\n\n const averageDeviationDepth = folderNumber !== 0 ? sumOfDeviation / folderNumber : 0;\n\n // File metrics\n const assetNumber = await strapi.db.query(FILE_MODEL_UID).count();\n\n return {\n assetNumber,\n folderNumber,\n averageDepth,\n maxDepth,\n averageDeviationDepth,\n };\n },\n\n async sendMetrics() {\n const metrics = await this.computeMetrics();\n await getService('metrics').trackUsage('didSendUploadPropertiesOnceAWeek', {\n groupProperties: { metrics },\n });\n\n const metricsInfoStored = await getMetricsStoreValue();\n await setMetricsStoreValue({ ...metricsInfoStored, lastWeeklyUpdate: new Date().getTime() });\n },\n\n async ensureWeeklyStoredCronSchedule(): Promise {\n const metricsInfoStored = await getMetricsStoreValue();\n const { weeklySchedule: currentSchedule, lastWeeklyUpdate } = metricsInfoStored;\n\n const now = new Date();\n let weeklySchedule = currentSchedule;\n\n if (!weeklySchedule || !lastWeeklyUpdate || lastWeeklyUpdate + ONE_WEEK < now.getTime()) {\n weeklySchedule = getWeeklyCronScheduleAt(add(now, { seconds: 15 }));\n await setMetricsStoreValue({ ...metricsInfoStored, weeklySchedule });\n\n return weeklySchedule;\n }\n\n return weeklySchedule;\n },\n\n async registerCron() {\n const weeklySchedule = await this.ensureWeeklyStoredCronSchedule();\n\n strapi.cron.add({\n uploadWeekly: {\n task: this.sendMetrics.bind(this),\n options: weeklySchedule,\n },\n });\n 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