feat: change language

lib/db/queries/invitations.ts

@@ -191,6 +191,55 @@ export async function updateSaveTheDateSent({
   })
 }
 
+export async function updateInvitationLanguage({
+  invitationId,
+  language,
+  adminEmail,
+}: {
+  invitationId: string
+  language: string
+  adminEmail: string
+}) {
+  return db.transaction().execute(async (trx) => {
+    const invitation = await trx
+      .selectFrom("invitations")
+      .select(["id", "display_name", "language"])
+      .where("id", "=", invitationId)
+      .executeTakeFirst()
+
+    if (!invitation) return null
+
+    const updated = await trx
+      .updateTable("invitations")
+      .set({
+        language,
+        updated_at: new Date(),
+      })
+      .where("id", "=", invitationId)
+      .returning(["id", "language"])
+      .executeTakeFirst()
+
+    if (!updated) return null
+
+    await trx
+      .insertInto("admin_audit_events")
+      .values({
+        admin_email: adminEmail,
+        action: "invitation.language_updated",
+        target_type: "invitation",
+        target_id: invitationId,
+        metadata: {
+          displayName: invitation.display_name,
+          previousLanguage: invitation.language,
+          newLanguage: language,
+        },
+      })
+      .execute()
+
+    return updated
+  })
+}
+
 export async function listInvitations(): Promise<InvitationListItem[]> {
   const invitations = await db
     .selectFrom("invitations")