Add rake task mastodon:feeds:build to regenerate all active users' feeds (#4303)

app/models/user.rb

@@ -53,6 +53,7 @@ class User < ApplicationRecord
   scope :admins,    -> { where(admin: true) }
   scope :confirmed, -> { where.not(confirmed_at: nil) }
   scope :inactive, -> { where(arel_table[:current_sign_in_at].lt(ACTIVE_DURATION.ago)) }
+  scope :active, -> { confirmed.where(arel_table[:current_sign_in_at].gteq(ACTIVE_DURATION.ago)).joins(:account).where(accounts: { suspended: false }) }
   scope :matches_email, ->(value) { where(arel_table[:email].matches("#{value}%")) }
   scope :with_recent_ip_address, ->(value) { where(arel_table[:current_sign_in_ip].eq(value).or(arel_table[:last_sign_in_ip].eq(value))) }
 

lib/tasks/mastodon.rake

@@ -143,6 +143,13 @@ namespace :mastodon do
     task clear_all: :environment do
       Redis.current.keys('feed:*').each { |key| Redis.current.del(key) }
     end
+
+    desc 'Generates home timelines for users who logged in in the past two weeks'
+    task build: :environment do
+      User.active.includes(:account).find_each do |u|
+        PrecomputeFeedService.new.call(u.account)
+      end
+    end
   end
 
   namespace :emails do