make user lookup deterministic in blueprints by sorting

server/lib/blueprints/findOrgUser.ts

@@ -0,0 +1,38 @@
+import { and, asc, eq, or } from "drizzle-orm";
+import { Transaction, User, userOrgs, users } from "@server/db";
+
+export async function findOrgUserByIdentifier(
+    trx: Transaction,
+    orgId: string,
+    identifier: string
+): Promise<User | null> {
+    const [match] = await trx
+        .select()
+        .from(users)
+        .innerJoin(userOrgs, eq(users.userId, userOrgs.userId))
+        .where(
+            and(
+                or(eq(users.username, identifier), eq(users.email, identifier)),
+                eq(userOrgs.orgId, orgId)
+            )
+        )
+        .orderBy(asc(users.dateCreated), asc(users.userId))
+        .limit(1);
+
+    return match?.user ?? null;
+}
+
+export async function resolveOrgUserIds(
+    trx: Transaction,
+    orgId: string,
+    identifiers: string[]
+): Promise<string[]> {
+    const userIds = new Set<string>();
+    for (const identifier of identifiers) {
+        const user = await findOrgUserByIdentifier(trx, orgId, identifier);
+        if (user) {
+            userIds.add(user.userId);
+        }
+    }
+    return [...userIds];
+}