alias the second

src/inc/trigger/parser.mjs

@@ -211,6 +211,19 @@ export default async bot => {
         await fs.promises.copyFile(source, `./public/b/${filename}`);
         await fs.promises.unlink(source).catch(_=>{});
 
+        // user alias
+        let username = e.user.nick || e.user.username;
+        const alias = (await db`
+          select "user"."user"
+          from "user_alias"
+          join "user" on "user".id = user_alias.userid
+          where lower(user_alias.alias) ilike ${username}
+          limit 1
+        `)?.[0]?.user;
+        if(alias) {
+          username = alias;
+        }
+
         await db`
           insert into items ${
             db({
@@ -219,7 +232,7 @@ export default async bot => {
               mime: mime,
               size: size,
               checksum: checksum,
-              username: e.user.nick || e.user.username,
+              username: username,
               userchannel: e.channel,
               usernetwork: e.network,
               stamp: ~~(new Date() / 1000),