switch tag query to use new tag view

src/server/api/routers/club.ts

@@ -14,7 +14,7 @@ import { z } from 'zod';
 import { selectContact } from '@src/server/db/models';
 import { clubEditRouter } from './clubEdit';
 import { userMetadataToClubs } from '@src/server/db/schema/users';
-import { club } from '@src/server/db/schema/club';
+import { club, usedTags } from '@src/server/db/schema/club';
 import { contacts } from '@src/server/db/schema/contacts';
 import { carousel } from '@src/server/db/schema/admin';
 const byNameSchema = z.object({
@@ -119,14 +119,10 @@ export const clubRouter = createTRPCRouter({
   }),
   distinctTags: publicProcedure.query(async ({ ctx }) => {
     try {
-      const tags = await ctx.db.selectDistinct({ tags: club.tags }).from(club);
-      const tagSet = new Set<string>(['All']);
-      tags.forEach((club) => {
-        club.tags.forEach((tag) => {
-          tagSet.add(tag);
-        });
-      });
-      return Array.from(tagSet);
+      const tags = (await ctx.db.select().from(usedTags)).map(
+        (obj) => obj.tags,
+      );
+      return tags;
     } catch (e) {
       console.error(e);
       return [];

src/server/db/schema/club.ts

@@ -1,5 +1,12 @@
 import { relations, sql } from 'drizzle-orm';
-import { boolean, pgEnum, pgTable, text } from 'drizzle-orm/pg-core';
+import {
+  boolean,
+  integer,
+  pgEnum,
+  pgTable,
+  pgView,
+  text,
+} from 'drizzle-orm/pg-core';
 import { events } from './events';
 import { userMetadataToClubs } from './users';
 import { contacts } from './contacts';
@@ -35,3 +42,8 @@ export const clubRelations = relations(club, ({ many }) => ({
   userMetadataToClubs: many(userMetadataToClubs),
   carousel: many(carousel),
 }));
+
+export const usedTags = pgView('used_tags', {
+  tags: text('tags').notNull(),
+  count: integer('count').notNull(),
+}).existing();

src/server/db/tagView.sql

@@ -0,0 +1,6 @@
+select distinct UNNEST(tags) as tags,
+count(tags)
+from
+club
+group by unnest(tags)
+order by count desc