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-rw-r--r--app/models/account.rb8
-rw-r--r--app/models/account_stat.rb42
-rw-r--r--app/models/concerns/account_counters.rb60
-rw-r--r--app/models/concerns/account_interactions.rb2
-rw-r--r--app/models/concerns/expireable.rb2
-rw-r--r--app/models/concerns/omniauthable.rb1
-rw-r--r--app/models/direct_feed.rb2
-rw-r--r--app/models/notification.rb12
-rw-r--r--app/models/report.rb2
-rw-r--r--app/models/user.rb2
10 files changed, 71 insertions, 62 deletions
diff --git a/app/models/account.rb b/app/models/account.rb
index b03cbbdf4..2e7d9f543 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -27,7 +27,6 @@
 #  header_file_size              :integer
 #  header_updated_at             :datetime
 #  avatar_remote_url             :string
-#  subscription_expires_at       :datetime
 #  locked                        :boolean          default(FALSE), not null
 #  header_remote_url             :string           default(""), not null
 #  last_webfingered_at           :datetime
@@ -55,6 +54,8 @@
 #
 
 class Account < ApplicationRecord
+  self.ignored_columns = %w(subscription_expires_at)
+
   USERNAME_RE = /[a-z0-9_]+([a-z0-9_\.-]+[a-z0-9_]+)?/i
   MENTION_RE  = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[[:word:]\.\-]+[a-z0-9]+)?)/i
 
@@ -97,7 +98,6 @@ class Account < ApplicationRecord
 
   scope :remote, -> { where.not(domain: nil) }
   scope :local, -> { where(domain: nil) }
-  scope :expiring, ->(time) { remote.where.not(subscription_expires_at: nil).where('subscription_expires_at < ?', time) }
   scope :partitioned, -> { order(Arel.sql('row_number() over (partition by domain)')) }
   scope :silenced, -> { where.not(silenced_at: nil) }
   scope :suspended, -> { where.not(suspended_at: nil) }
@@ -194,10 +194,6 @@ class Account < ApplicationRecord
     "acct:#{local_username_and_domain}"
   end
 
-  def subscribed?
-    subscription_expires_at.present?
-  end
-
   def searchable?
     !(suspended? || moved?)
   end
diff --git a/app/models/account_stat.rb b/app/models/account_stat.rb
index e70b54d79..a826a9af3 100644
--- a/app/models/account_stat.rb
+++ b/app/models/account_stat.rb
@@ -18,46 +18,4 @@ class AccountStat < ApplicationRecord
   belongs_to :account, inverse_of: :account_stat
 
   update_index('accounts#account', :account)
-
-  def increment_count!(key)
-    update(attributes_for_increment(key))
-  rescue ActiveRecord::StaleObjectError, ActiveRecord::RecordNotUnique
-    begin
-      reload_with_id
-    rescue ActiveRecord::RecordNotFound
-      return
-    end
-
-    retry
-  end
-
-  def decrement_count!(key)
-    update(attributes_for_decrement(key))
-  rescue ActiveRecord::StaleObjectError, ActiveRecord::RecordNotUnique
-    begin
-      reload_with_id
-    rescue ActiveRecord::RecordNotFound
-      return
-    end
-
-    retry
-  end
-
-  private
-
-  def attributes_for_increment(key)
-    attrs = { key => public_send(key) + 1 }
-    attrs[:last_status_at] = Time.now.utc if key == :statuses_count
-    attrs
-  end
-
-  def attributes_for_decrement(key)
-    attrs = { key => [public_send(key) - 1, 0].max }
-    attrs
-  end
-
-  def reload_with_id
-    self.id = self.class.find_by!(account: account).id if new_record?
-    reload
-  end
 end
diff --git a/app/models/concerns/account_counters.rb b/app/models/concerns/account_counters.rb
index 6e25e1905..fd3f161ad 100644
--- a/app/models/concerns/account_counters.rb
+++ b/app/models/concerns/account_counters.rb
@@ -3,6 +3,8 @@
 module AccountCounters
   extend ActiveSupport::Concern
 
+  ALLOWED_COUNTER_KEYS = %i(statuses_count following_count followers_count).freeze
+
   included do
     has_one :account_stat, inverse_of: :account
     after_save :save_account_stat
@@ -14,11 +16,65 @@ module AccountCounters
            :following_count=,
            :followers_count,
            :followers_count=,
-           :increment_count!,
-           :decrement_count!,
            :last_status_at,
            to: :account_stat
 
+  # @param [Symbol] key
+  def increment_count!(key)
+    update_count!(key, 1)
+  end
+
+  # @param [Symbol] key
+  def decrement_count!(key)
+    update_count!(key, -1)
+  end
+
+  # @param [Symbol] key
+  # @param [Integer] value
+  def update_count!(key, value)
+    raise ArgumentError, "Invalid key #{key}" unless ALLOWED_COUNTER_KEYS.include?(key)
+    raise ArgumentError, 'Do not call update_count! on dirty objects' if association(:account_stat).loaded? && account_stat&.changed? && account_stat.changed_attribute_names_to_save == %w(id)
+
+    value = value.to_i
+    default_value = value.positive? ? value : 0
+
+    # We do an upsert using manually written SQL, as Rails' upsert method does
+    # not seem to support writing expressions in the UPDATE clause, but only
+    # re-insert the provided values instead.
+    # Even ARel seem to be missing proper handling of upserts.
+    sql = if value.positive? && key == :statuses_count
+            <<-SQL.squish
+              INSERT INTO account_stats(account_id, #{key}, created_at, updated_at, last_status_at)
+                VALUES (:account_id, :default_value, now(), now(), now())
+              ON CONFLICT (account_id) DO UPDATE
+              SET #{key} = account_stats.#{key} + :value,
+                  last_status_at = now(),
+                  lock_version = account_stats.lock_version + 1,
+                  updated_at = now()
+              RETURNING id;
+            SQL
+          else
+            <<-SQL.squish
+              INSERT INTO account_stats(account_id, #{key}, created_at, updated_at)
+                VALUES (:account_id, :default_value, now(), now())
+              ON CONFLICT (account_id) DO UPDATE
+              SET #{key} = account_stats.#{key} + :value,
+                  lock_version = account_stats.lock_version + 1,
+                  updated_at = now()
+              RETURNING id;
+            SQL
+          end
+
+    sql = AccountStat.sanitize_sql([sql, account_id: id, default_value: default_value, value: value])
+    account_stat_id = AccountStat.connection.exec_query(sql)[0]['id']
+
+    # Reload account_stat if it was loaded, taking into account newly-created unsaved records
+    if association(:account_stat).loaded?
+      account_stat.id = account_stat_id if account_stat.new_record?
+      account_stat.reload
+    end
+  end
+
   def account_stat
     super || build_account_stat
   end
diff --git a/app/models/concerns/account_interactions.rb b/app/models/concerns/account_interactions.rb
index 974f57820..51e8e04a8 100644
--- a/app/models/concerns/account_interactions.rb
+++ b/app/models/concerns/account_interactions.rb
@@ -67,7 +67,7 @@ module AccountInteractions
     private
 
     def follow_mapping(query, field)
-      query.pluck(field).each_with_object({}) { |id, mapping| mapping[id] = true }
+      query.pluck(field).index_with(true)
     end
   end
 
diff --git a/app/models/concerns/expireable.rb b/app/models/concerns/expireable.rb
index a66a4661b..4d902abcb 100644
--- a/app/models/concerns/expireable.rb
+++ b/app/models/concerns/expireable.rb
@@ -17,7 +17,7 @@ module Expireable
     end
 
     def expires_in=(interval)
-      self.expires_at = interval.to_i.seconds.from_now if interval.present?
+      self.expires_at = interval.present? ? interval.to_i.seconds.from_now : nil 
       @expires_in     = interval
     end
 
diff --git a/app/models/concerns/omniauthable.rb b/app/models/concerns/omniauthable.rb
index 79d671d10..791a94911 100644
--- a/app/models/concerns/omniauthable.rb
+++ b/app/models/concerns/omniauthable.rb
@@ -68,7 +68,6 @@ module Omniauthable
     def user_params_from_auth(email, auth)
       {
         email: email || "#{TEMP_EMAIL_PREFIX}-#{auth.uid}-#{auth.provider}.com",
-        password: Devise.friendly_token[0, 20],
         agreement: true,
         external: true,
         account_attributes: {
diff --git a/app/models/direct_feed.rb b/app/models/direct_feed.rb
index c0b8a0a35..1f2448070 100644
--- a/app/models/direct_feed.rb
+++ b/app/models/direct_feed.rb
@@ -24,7 +24,7 @@ class DirectFeed < Feed
       statuses = Status.as_direct_timeline(@account, limit, max_id, since_id, min_id)
       return statuses if statuses.empty?
       max_id = statuses.last.id
-      statuses = statuses.reject { |status| FeedManager.instance.filter?(:direct, status, @account.id) }
+      statuses = statuses.reject { |status| FeedManager.instance.filter?(:direct, status, @account) }
       return statuses unless statuses.empty?
     end
   end
diff --git a/app/models/notification.rb b/app/models/notification.rb
index 98a6a618f..3bf9dd483 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -49,12 +49,12 @@ class Notification < ApplicationRecord
   belongs_to :from_account, class_name: 'Account', optional: true
   belongs_to :activity, polymorphic: true, optional: true
 
-  belongs_to :mention,        foreign_type: 'Mention',       foreign_key: 'activity_id', optional: true
-  belongs_to :status,         foreign_type: 'Status',        foreign_key: 'activity_id', optional: true
-  belongs_to :follow,         foreign_type: 'Follow',        foreign_key: 'activity_id', optional: true
-  belongs_to :follow_request, foreign_type: 'FollowRequest', foreign_key: 'activity_id', optional: true
-  belongs_to :favourite,      foreign_type: 'Favourite',     foreign_key: 'activity_id', optional: true
-  belongs_to :poll,           foreign_type: 'Poll',          foreign_key: 'activity_id', optional: true
+  belongs_to :mention,        foreign_key: 'activity_id', optional: true
+  belongs_to :status,         foreign_key: 'activity_id', optional: true
+  belongs_to :follow,         foreign_key: 'activity_id', optional: true
+  belongs_to :follow_request, foreign_key: 'activity_id', optional: true
+  belongs_to :favourite,      foreign_key: 'activity_id', optional: true
+  belongs_to :poll,           foreign_key: 'activity_id', optional: true
 
   validates :type, inclusion: { in: TYPES }
 
diff --git a/app/models/report.rb b/app/models/report.rb
index cd08120e4..ef41547d9 100644
--- a/app/models/report.rb
+++ b/app/models/report.rb
@@ -32,7 +32,7 @@ class Report < ApplicationRecord
 
   scope :unresolved, -> { where(action_taken: false) }
   scope :resolved,   -> { where(action_taken: true) }
-  scope :with_accounts, -> { includes([:account, :target_account, :action_taken_by_account, :assigned_account].each_with_object({}) { |k, h| h[k] = { user: [:invite_request, :invite] } }) }
+  scope :with_accounts, -> { includes([:account, :target_account, :action_taken_by_account, :assigned_account].index_with({ user: [:invite_request, :invite] })) }
 
   validates :comment, length: { maximum: 1000 }
 
diff --git a/app/models/user.rb b/app/models/user.rb
index 023dc3609..eb5b95c2b 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -468,7 +468,7 @@ class User < ApplicationRecord
   end
 
   def validate_email_dns?
-    email_changed? && !(Rails.env.test? || Rails.env.development?)
+    email_changed? && !external? && !(Rails.env.test? || Rails.env.development?)
   end
 
   def invite_text_required?