feat(cloud): set seat limit checks for partner member invitations (#506)

packages/db/src/repository/member.repo.ts

@@ -1,4 +1,4 @@
-import { and, count, eq, isNull } from "drizzle-orm";
+import { and, count, eq, isNull, or } from "drizzle-orm";
 
 import type { dbClient } from "@kan/db/client";
 import type { MemberRole, MemberStatus } from "@kan/db/schema";
@@ -19,6 +19,27 @@ export const getActiveCount = async (db: dbClient) => {
   return result[0]?.count ?? 0;
 };
 
+export const getCountByWorkspaceId = async (
+  db: dbClient,
+  workspaceId: number,
+) => {
+  const result = await db
+    .select({ count: count() })
+    .from(workspaceMembers)
+    .where(
+      and(
+        eq(workspaceMembers.workspaceId, workspaceId),
+        isNull(workspaceMembers.deletedAt),
+        or(
+          eq(workspaceMembers.status, "active"),
+          eq(workspaceMembers.status, "invited"),
+        ),
+      ),
+    );
+
+  return result[0]?.count ?? 0;
+};
+
 export const create = async (
   db: dbClient,
   memberInput: {