Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
	app/models/status.rb
	db/migrate/20180528141303_fix_accounts_unique_index.rb
	db/schema.rb

Resolved by taking upstream changes (no real conflicts, just glitch-soc
specific code too close to actual changes).

app/models/export.rb

@@ -24,8 +24,16 @@ class Export
     account.media_attachments.sum(:file_file_size)
   end
 
+  def total_statuses
+    account.statuses_count
+  end
+
   def total_follows
-    account.following.count
+    account.following_count
+  end
+
+  def total_followers
+    account.followers_count
   end
 
   def total_blocks

app/models/favourite.rb

@@ -32,20 +32,11 @@ class Favourite < ApplicationRecord
   private
 
   def increment_cache_counters
-    if association(:status).loaded?
-      status.update_attribute(:favourites_count, status.favourites_count + 1)
-    else
-      Status.where(id: status_id).update_all('favourites_count = COALESCE(favourites_count, 0) + 1')
-    end
+    status.increment_count!(:favourites_count)
   end
 
   def decrement_cache_counters
     return if association(:status).loaded? && (status.marked_for_destruction? || status.marked_for_mass_destruction?)
-
-    if association(:status).loaded?
-      status.update_attribute(:favourites_count, [status.favourites_count - 1, 0].max)
-    else
-      Status.where(id: status_id).update_all('favourites_count = GREATEST(COALESCE(favourites_count, 0) - 1, 0)')
-    end
+    status.decrement_count!(:favourites_count)
   end
 end

app/models/follow.rb

@@ -32,6 +32,11 @@ class Follow < ApplicationRecord
     false # Force uri_for to use uri attribute
   end
 
+  def revoke_request!
+    FollowRequest.create!(account: account, target_account: target_account, show_reblogs: show_reblogs, uri: uri)
+    destroy!
+  end
+
   before_validation :set_uri, only: :create
   after_destroy :remove_endorsements
 

app/models/status.rb

@@ -15,8 +15,6 @@
 #  visibility             :integer          default("public"), not null
 #  spoiler_text           :text             default(""), not null
 #  reply                  :boolean          default(FALSE), not null
-#  favourites_count       :integer          default(0), not null
-#  reblogs_count          :integer          default(0), not null
 #  language               :string
 #  conversation_id        :bigint(8)
 #  local                  :boolean
@@ -28,6 +26,8 @@
 #
 
 class Status < ApplicationRecord
+  self.cache_versioning = false
+
   include Paginable
   include Streamable
   include Cacheable
@@ -62,6 +62,7 @@ class Status < ApplicationRecord
 
   has_one :notification, as: :activity, dependent: :destroy
   has_one :stream_entry, as: :activity, inverse_of: :status
+  has_one :status_stat, inverse_of: :status
 
   validates :uri, uniqueness: true, presence: true, unless: :local?
   validates :text, presence: true, unless: -> { with_media? || reblog? }
@@ -86,7 +87,25 @@ class Status < ApplicationRecord
 
   scope :not_local_only, -> { where(local_only: [false, nil]) }
 
-  cache_associated :account, :application, :media_attachments, :conversation, :tags, :stream_entry, mentions: :account, reblog: [:account, :application, :stream_entry, :tags, :media_attachments, :conversation, mentions: :account], thread: :account
+  cache_associated :account,
+                   :application,
+                   :media_attachments,
+                   :conversation,
+                   :status_stat,
+                   :tags,
+                   :stream_entry,
+                   mentions: :account,
+                   reblog: [
+                     :account,
+                     :application,
+                     :stream_entry,
+                     :tags,
+                     :media_attachments,
+                     :conversation,
+                     :status_stat,
+                     mentions: :account,
+                   ],
+                   thread: :account
 
   delegate :domain, to: :account, prefix: true
 
@@ -180,6 +199,26 @@ class Status < ApplicationRecord
     @marked_for_mass_destruction
   end
 
+  def replies_count
+    status_stat&.replies_count || 0
+  end
+
+  def reblogs_count
+    status_stat&.reblogs_count || 0
+  end
+
+  def favourites_count
+    status_stat&.favourites_count || 0
+  end
+
+  def increment_count!(key)
+    update_status_stat!(key => public_send(key) + 1)
+  end
+
+  def decrement_count!(key)
+    update_status_stat!(key => [public_send(key) - 1, 0].max)
+  end
+
   after_create  :increment_counter_caches
   after_destroy :decrement_counter_caches
 
@@ -197,6 +236,10 @@ class Status < ApplicationRecord
   before_validation :set_local
 
   class << self
+    def cache_ids
+      left_outer_joins(:status_stat).select('statuses.id, greatest(statuses.updated_at, status_stats.updated_at) AS updated_at')
+    end
+
     def in_chosen_languages(account)
       where(language: nil).or where(language: account.chosen_languages)
     end
@@ -372,6 +415,11 @@ class Status < ApplicationRecord
 
   private
 
+  def update_status_stat!(attrs)
+    record = status_stat || build_status_stat
+    record.update(attrs)
+  end
+
   def store_uri
     update_attribute(:uri, ActivityPub::TagManager.instance.uri_for(self)) if uri.nil?
   end
@@ -434,13 +482,8 @@ class Status < ApplicationRecord
       Account.where(id: account_id).update_all('statuses_count = COALESCE(statuses_count, 0) + 1')
     end
 
-    return unless reblog?
-
-    if association(:reblog).loaded?
-      reblog.update_attribute(:reblogs_count, reblog.reblogs_count + 1)
-    else
-      Status.where(id: reblog_of_id).update_all('reblogs_count = COALESCE(reblogs_count, 0) + 1')
-    end
+    reblog.increment_count!(:reblogs_count) if reblog?
+    thread.increment_count!(:replies_count) if in_reply_to_id.present? && (public_visibility? || unlisted_visibility?)
   end
 
   def decrement_counter_caches
@@ -452,12 +495,7 @@ class Status < ApplicationRecord
       Account.where(id: account_id).update_all('statuses_count = GREATEST(COALESCE(statuses_count, 0) - 1, 0)')
     end
 
-    return unless reblog?
-
-    if association(:reblog).loaded?
-      reblog.update_attribute(:reblogs_count, [reblog.reblogs_count - 1, 0].max)
-    else
-      Status.where(id: reblog_of_id).update_all('reblogs_count = GREATEST(COALESCE(reblogs_count, 0) - 1, 0)')
-    end
+    reblog.decrement_count!(:reblogs_count) if reblog?
+    thread.decrement_count!(:replies_count) if in_reply_to_id.present? && (public_visibility? || unlisted_visibility?)
   end
 end

app/models/status_stat.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: status_stats
+#
+#  id               :bigint(8)        not null, primary key
+#  status_id        :bigint(8)        not null
+#  replies_count    :bigint(8)        default(0), not null
+#  reblogs_count    :bigint(8)        default(0), not null
+#  favourites_count :bigint(8)        default(0), not null
+#  created_at       :datetime         not null
+#  updated_at       :datetime         not null
+#
+
+class StatusStat < ApplicationRecord
+  belongs_to :status, inverse_of: :status_stat
+end