feat: add chat to admin dashboard

packages/lib/server-only/admin/get-users-stats.ts

@@ -1,5 +1,7 @@
+import { DateTime } from 'luxon';
+
 import { prisma } from '@documenso/prisma';
-import { SubscriptionStatus } from '@documenso/prisma/client';
+import { DocumentStatus, SubscriptionStatus } from '@documenso/prisma/client';
 
 export const getUsersCount = async () => {
   return await prisma.user.count();
@@ -16,3 +18,73 @@ export const getUsersWithSubscriptionsCount = async () => {
     },
   });
 };
+
+export const getUserWithAtLeastOneDocumentPerMonth = async () => {
+  return await prisma.user.count({
+    where: {
+      Document: {
+        some: {
+          createdAt: {
+            gte: new Date(new Date().setMonth(new Date().getMonth() - 1)),
+          },
+        },
+      },
+    },
+  });
+};
+
+export const getUserWithAtLeastOneDocumentSignedPerMonth = async () => {
+  return await prisma.user.count({
+    where: {
+      Document: {
+        some: {
+          status: {
+            equals: DocumentStatus.COMPLETED,
+          },
+          createdAt: {
+            gte: new Date(new Date().setMonth(new Date().getMonth() - 1)),
+          },
+        },
+      },
+    },
+  });
+};
+
+export type GetUserWithDocumentMonthlyGrowth = Array<{
+  month: string;
+  count: number;
+  cume_count: number;
+  signed_count: number;
+  cume_signed_count: number;
+}>;
+
+type GetUserWithDocumentMonthlyGrowthQueryResult = Array<{
+  month: Date;
+  count: bigint;
+  cume_count: bigint;
+  signed_count: bigint;
+  cume_signed_count: bigint;
+}>;
+
+export const getUserWithSignedDocumentMonthlyGrowth = async () => {
+  const result = await prisma.$queryRaw<GetUserWithDocumentMonthlyGrowthQueryResult>`
+      SELECT
+        DATE_TRUNC('month', "Document"."createdAt") AS "month",
+        COUNT(DISTINCT "Document"."userId") as "count",
+        SUM(COUNT(DISTINCT "Document"."userId")) OVER (ORDER BY DATE_TRUNC('month', "Document"."createdAt")) as "cume_count",
+        COUNT(DISTINCT CASE WHEN "Document"."status" = 'COMPLETED' THEN "Document"."userId" END) as "signed_count",
+        SUM(COUNT(DISTINCT CASE WHEN "Document"."status" = 'COMPLETED' THEN "Document"."userId" END)) OVER (ORDER BY DATE_TRUNC('month', "Document"."createdAt")) as "cume_signed_count"
+      FROM "Document"
+      GROUP BY "month"
+      ORDER BY "month" DESC
+      LIMIT 12
+`;
+
+  return result.map((row) => ({
+    month: DateTime.fromJSDate(row.month).toFormat('yyyy-MM'),
+    count: Number(row.count),
+    cume_count: Number(row.cume_count),
+    signed_count: Number(row.signed_count),
+    cume_signed_count: Number(row.cume_signed_count),
+  }));
+};