refactor(core, schemas): enhance the time accuracy of dau data (#5451)

packages/core/src/event-listeners/record-active-users.ts

@@ -1,6 +1,5 @@
 import { generateStandardId } from '@logto/shared';
 
-import { getUtcStartOfTheDay } from '#src/oidc/utils.js';
 import type Queries from '#src/tenants/Queries.js';
 
 export const recordActiveUsers = async (accessToken: { accountId?: string }, queries: Queries) => {
@@ -16,6 +15,5 @@ export const recordActiveUsers = async (accessToken: { accountId?: string }, que
   await insertActiveUser({
     id: generateStandardId(),
     userId: accountId,
-    date: getUtcStartOfTheDay(new Date()).getTime(),
   });
 };

packages/schemas/alterations/next-1709190131-enhance-dau-data-accuracy.ts

@@ -0,0 +1,18 @@
+import { sql } from 'slonik';
+
+import type { AlterationScript } from '../lib/types/alteration.js';
+
+const alteration: AlterationScript = {
+  up: async (pool) => {
+    await pool.query(sql`
+      alter table daily_active_users alter column date set default now();
+    `);
+  },
+  down: async (pool) => {
+    await pool.query(sql`
+      alter table daily_active_users alter column date drop default;
+    `);
+  },
+};
+
+export default alteration;

packages/schemas/tables/daily_active_users.sql

@@ -3,7 +3,7 @@ create table daily_active_users (
   tenant_id varchar(21) not null
     references tenants (id) on update cascade on delete cascade,
   user_id varchar(21) not null,
-  date timestamptz not null,
+  date timestamptz not null default (now()),
   primary key (id),
   constraint daily_active_users__user_id_date
     unique (user_id, date)