Trends: also track total tag usages

src/controllers/api/trends.ts

@@ -4,17 +4,17 @@ import { trends } from '@/trends.ts';
 import { Time } from '@/utils.ts';
 
 const trendingTagsController: AppController = (c) => {
-  const yesterday = new Date(new Date().getTime() - Time.days(1));
   const now = new Date();
+  const yesterday = new Date(now.getTime() - Time.days(1));
 
   const tags = trends.getTrendingTags(yesterday, now);
 
-  return c.json(tags.map(({ name, accounts }) => ({
+  return c.json(tags.map(({ name, accounts, uses }) => ({
     name,
     url: Conf.local(`/tags/${name}`),
     history: [{
       day: String(Math.floor(yesterday.getTime() / 1000)),
-      uses: String(accounts), // Not actually true - we don't collect this
+      uses: String(uses),
       accounts: String(accounts),
     }],
   })));

src/trends.ts

@@ -21,7 +21,7 @@ class TrendsDB {
   getTrendingTags(since: Date, until: Date) {
     return this.#db.query<string[]>(
       `
-      SELECT tag, COUNT(DISTINCT pubkey8)
+      SELECT tag, COUNT(DISTINCT pubkey8), COUNT(*)
         FROM tag_usages
         WHERE inserted_at >= ? AND inserted_at < ?
         GROUP BY tag
@@ -32,6 +32,7 @@ class TrendsDB {
     ).map((row) => ({
       name: row[0],
       accounts: Number(row[1]),
+      uses: Number(row[2]),
     }));
   }