From 32b2b43c06621e384c0bd1610ef0bb9f23399be7 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Fri, 12 Jan 2018 11:47:45 +0100
Subject: Update follower/following counts

---
 server/models/activitypub/actor-follow.ts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'server/models/activitypub/actor-follow.ts')

diff --git a/server/models/activitypub/actor-follow.ts b/server/models/activitypub/actor-follow.ts
index de5bb6f74..435d22db5 100644
--- a/server/models/activitypub/actor-follow.ts
+++ b/server/models/activitypub/actor-follow.ts
@@ -2,6 +2,7 @@ import * as Bluebird from 'bluebird'
 import { values } from 'lodash'
 import * as Sequelize from 'sequelize'
 import {
+  AfterCreate, AfterDestroy, AfterUpdate,
   AllowNull, BelongsTo, Column, CreatedAt, DataType, Default, ForeignKey, IsInt, Max, Model, Table,
   UpdatedAt
 } from 'sequelize-typescript'
@@ -79,6 +80,25 @@ export class ActorFollowModel extends Model<ActorFollowModel> {
   })
   ActorFollowing: ActorModel
 
+  @AfterCreate
+  @AfterUpdate
+  static incrementFollowerAndFollowingCount (instance: ActorFollowModel) {
+    if (instance.state !== 'accepted') return
+
+    return Promise.all([
+      ActorModel.incrementFollows(instance.actorId, 'followingCount', 1),
+      ActorModel.incrementFollows(instance.targetActorId, 'followersCount', 1)
+    ])
+  }
+
+  @AfterDestroy
+  static decrementFollowerAndFollowingCount (instance: ActorFollowModel) {
+    return Promise.all([
+      ActorModel.incrementFollows(instance.actorId, 'followingCount',-1),
+      ActorModel.incrementFollows(instance.targetActorId, 'followersCount', -1)
+    ])
+  }
+
   // Remove actor follows with a score of 0 (too many requests where they were unreachable)
   static async removeBadActorFollows () {
     const actorFollows = await ActorFollowModel.listBadActorFollows()
-- 
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