Show leagues where user is a member regardless of team assignment

The homepage now uses a union query to show leagues where the user
either has a team in the current season OR is a commissioner. Previously,
commissioners without a team could not see their leagues on the homepage.

https://claude.ai/code/session_01E3ugKTfatkEc5TcDGXvHiW

app/models/league.ts

@@ -1,4 +1,4 @@
-import { eq, desc, and } from "drizzle-orm";
+import { eq, desc, and, union } from "drizzle-orm";
 import { database } from "~/database/context";
 import * as schema from "~/database/schema";
 
@@ -71,23 +71,34 @@ export async function findLeaguesWithActiveSeasonsByUserId(
 ): Promise<League[]> {
   const db = database();
 
-  // Query to find all leagues where user has a team in the current season
-  const leagues = await db
-    .selectDistinct({
-      id: schema.leagues.id,
-      name: schema.leagues.name,
-      createdBy: schema.leagues.createdBy,
-      currentSeasonId: schema.leagues.currentSeasonId,
-      isPublicDraftBoard: schema.leagues.isPublicDraftBoard,
-      createdAt: schema.leagues.createdAt,
-      updatedAt: schema.leagues.updatedAt,
-    })
+  const leagueFields = {
+    id: schema.leagues.id,
+    name: schema.leagues.name,
+    createdBy: schema.leagues.createdBy,
+    currentSeasonId: schema.leagues.currentSeasonId,
+    isPublicDraftBoard: schema.leagues.isPublicDraftBoard,
+    createdAt: schema.leagues.createdAt,
+    updatedAt: schema.leagues.updatedAt,
+  };
+
+  // Leagues where user has a team in the current season
+  const leaguesWithTeam = db
+    .select(leagueFields)
     .from(schema.leagues)
     .innerJoin(schema.teams, eq(schema.teams.seasonId, schema.leagues.currentSeasonId))
-    .where(eq(schema.teams.ownerId, userId))
-    .orderBy(desc(schema.leagues.createdAt));
+    .where(eq(schema.teams.ownerId, userId));
 
-  return leagues;
+  // Leagues where user is a commissioner (with or without a team)
+  const leaguesAsCommissioner = db
+    .select(leagueFields)
+    .from(schema.leagues)
+    .innerJoin(schema.commissioners, eq(schema.commissioners.leagueId, schema.leagues.id))
+    .where(eq(schema.commissioners.userId, userId));
+
+  // Union deduplicates results in case user is both a commissioner and has a team
+  return await union(leaguesWithTeam, leaguesAsCommissioner).orderBy(
+    desc(schema.leagues.createdAt)
+  );
 }
 
 /**

app/routes/home.tsx

@@ -94,7 +94,7 @@ export default function Home({ loaderData }: Route.ComponentProps) {
           <CardHeader>
             <CardTitle>No Active Leagues</CardTitle>
             <CardDescription>
-              You don't have any teams in leagues with active seasons yet
+              You aren't a member of any leagues yet
             </CardDescription>
           </CardHeader>
           <CardContent>