Adding statistics output for backups.

packages/backend-core/src/events/publishers/backup.ts

@@ -4,8 +4,8 @@ import { publishEvent } from "../events"
 export async function appBackupRestored(backup: AppBackup) {
   const properties: AppBackupRevertEvent = {
     appId: backup.appId,
-    backupName: backup.name,
+    backupName: backup.name!,
-    backupCreatedAt: backup.createdAt,
+    backupCreatedAt: backup.timestamp,
   }
 
   await publishEvent(Event.APP_BACKUP_RESTORED, properties)

packages/server/src/sdk/app/backups/backup.ts

@@ -3,6 +3,7 @@ import { objectStore, tenancy, db as dbCore } from "@budibase/backend-core"
 import { AppBackupQueueData } from "@budibase/types"
 import { exportApp } from "./exports"
 import { importApp } from "./imports"
+import { calculateBackupStats } from "../statistics"
 import { Job } from "bull"
 import fs from "fs"
 import env from "../../../environment"
@@ -52,26 +53,35 @@ async function exportProcessor(job: Job) {
     name = data.export!.name || `${trigger} - backup`
   const tenantId = tenancy.getTenantIDFromAppID(appId)
   await tenancy.doInTenant(tenantId, async () => {
-    const createdAt = new Date().toISOString()
+    const devAppId = dbCore.getDevAppID(appId),
-    const tarPath = await exportApp(appId, { tar: true })
+      prodAppId = dbCore.getProdAppID(appId)
-    let filename = `${appId}/backup-${createdAt}.tar.gz`
+    const timestamp = new Date().toISOString()
+    const tarPath = await exportApp(devAppId, { tar: true })
+    const contents = await calculateBackupStats(devAppId)
+    let filename = `${prodAppId}/backup-${timestamp}.tar.gz`
     // add the tenant to the bucket path if backing up within a multi-tenant environment
     if (env.MULTI_TENANCY) {
       filename = `${tenantId}/${filename}`
     }
     const bucket = objectStore.ObjectStoreBuckets.BACKUPS
     const metadata = {
-      appId,
+      appId: prodAppId,
-      createdAt,
+      timestamp,
       trigger,
       name,
+      contents,
     }
     await objectStore.upload({
       path: tarPath,
       type: "application/gzip",
       bucket,
       filename,
-      metadata,
+      metadata: {
+        name,
+        trigger,
+        timestamp,
+        appId: prodAppId,
+      },
     })
     await backups.storeAppBackupMetadata(filename, metadata)
     // clear up the tarball after uploading it

packages/server/src/sdk/app/statistics/index.ts

@@ -0,0 +1,77 @@
+import { context, db as dbCore } from "@budibase/backend-core"
+import {
+  getDatasourceParams,
+  getTableParams,
+  getAutomationParams,
+  getScreenParams,
+} from "../../../db/utils"
+
+async function runInContext(appId: string, cb: any, db?: PouchDB.Database) {
+  if (db) {
+    return cb(db)
+  } else {
+    const devAppId = dbCore.getDevAppID(appId)
+    return context.doInAppContext(devAppId, () => {
+      const db = context.getAppDB()
+      return cb(db)
+    })
+  }
+}
+
+export async function calculateDatasourceCount(
+  appId: string,
+  db?: PouchDB.Database
+) {
+  return runInContext(
+    appId,
+    async (db: PouchDB.Database) => {
+      const datasourceList = await db.allDocs(getDatasourceParams())
+      const tableList = await db.allDocs(getTableParams())
+      return datasourceList.rows.length + tableList.rows.length
+    },
+    db
+  )
+}
+
+export async function calculateAutomationCount(
+  appId: string,
+  db?: PouchDB.Database
+) {
+  return runInContext(
+    appId,
+    async (db: PouchDB.Database) => {
+      const automationList = await db.allDocs(getAutomationParams())
+      return automationList.rows.length
+    },
+    db
+  )
+}
+
+export async function calculateScreenCount(
+  appId: string,
+  db?: PouchDB.Database
+) {
+  return runInContext(
+    appId,
+    async (db: PouchDB.Database) => {
+      const screenList = await db.allDocs(getScreenParams())
+      return screenList.rows.length
+    },
+    db
+  )
+}
+
+export async function calculateBackupStats(appId: string) {
+  return runInContext(appId, async (db: PouchDB.Database) => {
+    const promises = []
+    promises.push(calculateDatasourceCount(appId, db))
+    promises.push(calculateAutomationCount(appId, db))
+    promises.push(calculateScreenCount(appId, db))
+    const responses = await Promise.all(promises)
+    return {
+      datasources: responses[0],
+      automations: responses[1],
+      screens: responses[2],
+    }
+  })
+}

packages/types/src/documents/app/backup.ts

@@ -11,21 +11,23 @@ export enum AppBackupEventType {
   IMPORT = "import",
 }
 
-export interface AppBackup extends Document {
+export interface AppBackupMetadata {
-  trigger: AppBackupTrigger
-  name: string
-  createdAt: string
-  createdBy?: string
-  filename: string
   appId: string
-  userId?: string
+  trigger: AppBackupTrigger
-  contents?: {
+  name?: string
+  createdBy?: string
+  timestamp: string
+  contents: {
     datasources: string[]
     screens: string[]
     automations: string[]
   }
 }
 
+export interface AppBackup extends Document, AppBackupMetadata {
+  filename: string
+}
+
 export type AppBackupFetchOpts = {
   trigger?: AppBackupTrigger
   limit?: number
@@ -47,11 +49,3 @@ export interface AppBackupQueueData {
     backupId: string
   }
 }
-
-export interface AppBackupMetadata {
-  appId: string
-  trigger: AppBackupTrigger
-  name?: string
-  createdBy?: string
-  createdAt: string
-}