Add back reactions_count column so trending can still work

src/db/DittoTables.ts

@@ -19,6 +19,7 @@ interface EventStatsRow {
   event_id: string;
   replies_count: number;
   reposts_count: number;
+  reactions_count: number;
   reactions: string;
 }
 

src/db/migrations/022_event_stats_reactions.ts

@@ -5,14 +5,8 @@ export async function up(db: Kysely<any>): Promise<void> {
     .alterTable('event_stats')
     .addColumn('reactions', 'text', (col) => col.defaultTo('{}'))
     .execute();
-
-  await db.schema
-    .alterTable('event_stats')
-    .dropColumn('reactions_count')
-    .execute();
 }
 
 export async function down(db: Kysely<any>): Promise<void> {
   await db.schema.alterTable('event_stats').dropColumn('reactions').execute();
-  await db.schema.alterTable('event_stats').addColumn('reactions_count', 'integer').execute();
 }

src/storages/hydrate.ts

@@ -319,6 +319,7 @@ async function gatherEventStats(events: DittoEvent[]): Promise<DittoTables['even
     event_id: row.event_id,
     reposts_count: Math.max(0, row.reposts_count),
     replies_count: Math.max(0, row.replies_count),
+    reactions_count: Math.max(0, row.reactions_count),
     reactions: row.reactions,
   }));
 }

src/utils/stats.test.ts

@@ -120,6 +120,7 @@ Deno.test('updateStats with kind 7 increments reactions count', async () => {
   const stats = await getEventStats(db.kysely, note.id);
 
   assertEquals(stats!.reactions, JSON.stringify({ '+': 1, '😂': 1 }));
+  assertEquals(stats!.reactions_count, 2);
 });
 
 Deno.test('updateStats with kind 5 decrements reactions count', async () => {

src/utils/stats.ts

@@ -103,8 +103,12 @@ async function handleEvent7(kysely: Kysely<DittoTables>, event: NostrEvent, x: n
         }
       }
 
+      // Total reactions count.
+      const count = Object.values(data).reduce((result, value) => result + value, 0);
+
       return {
         reactions: JSON.stringify(data),
+        reactions_count: count,
       };
     });
   }
@@ -142,7 +146,7 @@ export async function updateAuthorStats(
   pubkey: string,
   fn: (prev: DittoTables['author_stats']) => UpdateObject<DittoTables, 'author_stats'>,
 ): Promise<void> {
-  const empty = {
+  const empty: DittoTables['author_stats'] = {
     pubkey,
     followers_count: 0,
     following_count: 0,
@@ -183,7 +187,7 @@ export async function updateEventStats(
   eventId: string,
   fn: (prev: DittoTables['event_stats']) => UpdateObject<DittoTables, 'event_stats'>,
 ): Promise<void> {
-  const empty = {
+  const empty: DittoTables['event_stats'] = {
     event_id: eventId,
     replies_count: 0,
     reposts_count: 0,