improvement(api-keys): move to workspace level (#1765)

* fix(billing): should allow restoring subscription (#1728)

* fix(already-cancelled-sub): UI should allow restoring subscription

* restore functionality fixed

* fix

* improvement(api-keys): move to workspace level

* remove migration to prep merge

* remove two more unused cols

* prep staging  merge

* add migration back

---------

Co-authored-by: Waleed <walif6@gmail.com>
Co-authored-by: Siddharth Ganesan <33737564+Sg312@users.noreply.github.com>

apps/sim/lib/workspaces/utils.ts

@@ -0,0 +1,39 @@
+import { db } from '@sim/db'
+import { workspace as workspaceTable } from '@sim/db/schema'
+import { eq } from 'drizzle-orm'
+
+interface WorkspaceBillingSettings {
+  billedAccountUserId: string | null
+  allowPersonalApiKeys: boolean
+}
+
+export async function getWorkspaceBillingSettings(
+  workspaceId: string
+): Promise<WorkspaceBillingSettings | null> {
+  if (!workspaceId) {
+    return null
+  }
+
+  const rows = await db
+    .select({
+      billedAccountUserId: workspaceTable.billedAccountUserId,
+      allowPersonalApiKeys: workspaceTable.allowPersonalApiKeys,
+    })
+    .from(workspaceTable)
+    .where(eq(workspaceTable.id, workspaceId))
+    .limit(1)
+
+  if (!rows.length) {
+    return null
+  }
+
+  return {
+    billedAccountUserId: rows[0].billedAccountUserId ?? null,
+    allowPersonalApiKeys: rows[0].allowPersonalApiKeys ?? false,
+  }
+}
+
+export async function getWorkspaceBilledAccountUserId(workspaceId: string): Promise<string | null> {
+  const settings = await getWorkspaceBillingSettings(workspaceId)
+  return settings?.billedAccountUserId ?? null
+}