test(glm47): workspace stats endpoint (#633)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

apps/api/src/workspaces/workspaces.service.ts

@@ -342,4 +342,15 @@ export class WorkspacesService {
   private isUniqueConstraintError(error: unknown): error is Prisma.PrismaClientKnownRequestError {
     return error instanceof Prisma.PrismaClientKnownRequestError && error.code === "P2002";
   }
+
+  async getStats(
+    workspaceId: string
+  ): Promise<{ memberCount: number; projectCount: number; domainCount: number }> {
+    const [memberCount, projectCount, domainCount] = await Promise.all([
+      this.prisma.workspaceMember.count({ where: { workspaceId } }),
+      this.prisma.project.count({ where: { workspaceId } }),
+      this.prisma.domain.count({ where: { workspaceId } }),
+    ]);
+    return { memberCount, projectCount, domainCount };
+  }
 }