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-rw-r--r--app/models/admin/account_action.rb14
-rw-r--r--app/models/admin/status_batch_action.rb4
-rw-r--r--app/models/concerns/account_merging.rb7
-rw-r--r--app/models/concerns/omniauthable.rb23
-rw-r--r--app/models/domain_block.rb8
-rw-r--r--app/models/featured_tag.rb4
-rw-r--r--app/models/instance.rb36
-rw-r--r--app/models/instance_filter.rb16
-rw-r--r--app/models/notification.rb24
-rw-r--r--app/models/preview_card.rb4
-rw-r--r--app/models/report.rb16
-rw-r--r--app/models/status.rb132
-rw-r--r--app/models/status_edit.rb52
13 files changed, 254 insertions, 86 deletions
diff --git a/app/models/admin/account_action.rb b/app/models/admin/account_action.rb
index d3be4be3f..850ea6d82 100644
--- a/app/models/admin/account_action.rb
+++ b/app/models/admin/account_action.rb
@@ -22,6 +22,16 @@ class Admin::AccountAction
 
   attr_reader :warning, :send_email_notification, :include_statuses
 
+  alias send_email_notification? send_email_notification
+  alias include_statuses? include_statuses
+
+  def initialize(attributes = {})
+    @send_email_notification = true
+    @include_statuses        = true
+
+    super
+  end
+
   def send_email_notification=(value)
     @send_email_notification = ActiveModel::Type::Boolean.new.cast(value)
   end
@@ -141,11 +151,11 @@ class Admin::AccountAction
   end
 
   def warnable?
-    send_email_notification && target_account.local?
+    send_email_notification? && target_account.local?
   end
 
   def status_ids
-    report.status_ids if with_report? && include_statuses
+    report.status_ids if with_report? && include_statuses?
   end
 
   def reports
diff --git a/app/models/admin/status_batch_action.rb b/app/models/admin/status_batch_action.rb
index 4d91b9805..631af183c 100644
--- a/app/models/admin/status_batch_action.rb
+++ b/app/models/admin/status_batch_action.rb
@@ -68,6 +68,8 @@ class Admin::StatusBatchAction
   end
 
   def handle_mark_as_sensitive!
+    representative_account = Account.representative
+
     # Can't use a transaction here because UpdateStatusService queues
     # Sidekiq jobs
     statuses.includes(:media_attachments, :preview_cards).find_each do |status|
@@ -76,7 +78,7 @@ class Admin::StatusBatchAction
       authorize(status, :update?)
 
       if target_account.local?
-        UpdateStatusService.new.call(status, current_account.id, sensitive: true)
+        UpdateStatusService.new.call(status, representative_account.id, sensitive: true)
       else
         status.update(sensitive: true)
       end
diff --git a/app/models/concerns/account_merging.rb b/app/models/concerns/account_merging.rb
index 119773e6b..8161761fb 100644
--- a/app/models/concerns/account_merging.rb
+++ b/app/models/concerns/account_merging.rb
@@ -15,7 +15,8 @@ module AccountMerging
       Status, StatusPin, MediaAttachment, Poll, Report, Tombstone, Favourite,
       Follow, FollowRequest, Block, Mute,
       AccountModerationNote, AccountPin, AccountStat, ListAccount,
-      PollVote, Mention, AccountDeletionRequest, AccountNote, FollowRecommendationSuppression
+      PollVote, Mention, AccountDeletionRequest, AccountNote, FollowRecommendationSuppression,
+      Appeal
     ]
 
     owned_classes.each do |klass|
@@ -47,6 +48,10 @@ module AccountMerging
       record.update_attribute(:reference_account_id, id)
     end
 
+    Appeal.where(account_warning_id: other_account.id).find_each do |record|
+      record.update_attribute(:account_warning_id, id)
+    end
+
     # Some follow relationships have moved, so the cache is stale
     Rails.cache.delete_matched("followers_hash:#{id}:*")
     Rails.cache.delete_matched("relationships:#{id}:*")
diff --git a/app/models/concerns/omniauthable.rb b/app/models/concerns/omniauthable.rb
index 791a94911..a90d5d888 100644
--- a/app/models/concerns/omniauthable.rb
+++ b/app/models/concerns/omniauthable.rb
@@ -13,7 +13,7 @@ module Omniauthable
       Devise.omniauth_configs.keys
     end
 
-    def email_verified?
+    def email_present?
       email && email !~ TEMP_EMAIL_REGEX
     end
   end
@@ -40,16 +40,14 @@ module Omniauthable
     end
 
     def create_for_oauth(auth)
-      # Check if the user exists with provided email if the provider gives us a
-      # verified email.  If no verified email was provided or the user already
-      # exists, we assign a temporary email and ask the user to verify it on
+      # Check if the user exists with provided email. If no email was provided,
+      # we assign a temporary email and ask the user to verify it on
       # the next step via Auth::SetupController.show
 
       strategy          = Devise.omniauth_configs[auth.provider.to_sym].strategy
       assume_verified   = strategy&.security&.assume_email_is_verified
-      email_is_verified = auth.info.verified || auth.info.verified_email || assume_verified
+      email_is_verified = auth.info.verified || auth.info.verified_email || auth.info.email_verified || assume_verified
       email             = auth.info.verified_email || auth.info.email
-      email             = nil unless email_is_verified
 
       user = User.find_by(email: email) if email_is_verified
 
@@ -58,7 +56,7 @@ module Omniauthable
       user = User.new(user_params_from_auth(email, auth))
 
       user.account.avatar_remote_url = auth.info.image if /\A#{URI::DEFAULT_PARSER.make_regexp(%w(http https))}\z/.match?(auth.info.image)
-      user.skip_confirmation!
+      user.skip_confirmation! if email_is_verified
       user.save!
       user
     end
@@ -71,8 +69,8 @@ module Omniauthable
         agreement: true,
         external: true,
         account_attributes: {
-          username: ensure_unique_username(auth.uid),
-          display_name: auth.info.full_name || [auth.info.first_name, auth.info.last_name].join(' '),
+          username: ensure_unique_username(ensure_valid_username(auth.uid)),
+          display_name: auth.info.full_name || auth.info.name || [auth.info.first_name, auth.info.last_name].join(' '),
         },
       }
     end
@@ -88,5 +86,12 @@ module Omniauthable
 
       username
     end
+
+    def ensure_valid_username(starting_username)
+      starting_username = starting_username.split('@')[0]
+      temp_username = starting_username.gsub(/[^a-z0-9_]+/i, '')
+      validated_username = temp_username.truncate(30, omission: '')
+      validated_username
+    end
   end
 end
diff --git a/app/models/domain_block.rb b/app/models/domain_block.rb
index bba04c603..2b797ef91 100644
--- a/app/models/domain_block.rb
+++ b/app/models/domain_block.rb
@@ -30,6 +30,14 @@ class DomainBlock < ApplicationRecord
   scope :with_user_facing_limitations, -> { where(severity: [:silence, :suspend]).or(where(reject_media: true)) }
   scope :by_severity, -> { order(Arel.sql('(CASE severity WHEN 0 THEN 1 WHEN 1 THEN 2 WHEN 2 THEN 0 END), reject_media, domain')) }
 
+  def policies
+    if suspend?
+      [:suspend]
+    else
+      [severity.to_sym, reject_media? ? :reject_media : nil, reject_reports? ? :reject_reports : nil].reject { |policy| policy == :noop || policy.nil? }
+    end
+  end
+
   class << self
     def suspend?(domain)
       !!rule_for(domain)&.suspend?
diff --git a/app/models/featured_tag.rb b/app/models/featured_tag.rb
index e02ae0705..74d62e777 100644
--- a/app/models/featured_tag.rb
+++ b/app/models/featured_tag.rb
@@ -4,8 +4,8 @@
 # Table name: featured_tags
 #
 #  id             :bigint(8)        not null, primary key
-#  account_id     :bigint(8)
-#  tag_id         :bigint(8)
+#  account_id     :bigint(8)        not null
+#  tag_id         :bigint(8)        not null
 #  statuses_count :bigint(8)        default(0), not null
 #  last_status_at :datetime
 #  created_at     :datetime         not null
diff --git a/app/models/instance.rb b/app/models/instance.rb
index 8949be054..36110ee40 100644
--- a/app/models/instance.rb
+++ b/app/models/instance.rb
@@ -32,35 +32,31 @@ class Instance < ApplicationRecord
     @delivery_failure_tracker ||= DeliveryFailureTracker.new(domain)
   end
 
-  def following_count
-    @following_count ||= Follow.where(account: accounts).count
+  def purgeable?
+    unavailable? || domain_block&.suspend?
   end
 
-  def followers_count
-    @followers_count ||= Follow.where(target_account: accounts).count
+  def unavailable?
+    unavailable_domain.present?
   end
 
-  def reports_count
-    @reports_count ||= Report.where(target_account: accounts).count
+  def failing?
+    failure_days.present? || unavailable?
   end
 
-  def blocks_count
-    @blocks_count ||= Block.where(target_account: accounts).count
-  end
-
-  def public_comment
-    domain_block&.public_comment
+  def to_param
+    domain
   end
 
-  def private_comment
-    domain_block&.private_comment
-  end
+  delegate :exhausted_deliveries_days, to: :delivery_failure_tracker
 
-  def media_storage
-    @media_storage ||= MediaAttachment.where(account: accounts).sum(:file_file_size)
-  end
+  def availability_over_days(num_days, end_date = Time.now.utc.to_date)
+    failures_map    = exhausted_deliveries_days.index_with { true }
+    period_end_at   = exhausted_deliveries_days.last || end_date
+    period_start_at = period_end_at - num_days.days
 
-  def to_param
-    domain
+    (period_start_at..period_end_at).map do |date|
+      [date, failures_map[date]]
+    end
   end
 end
diff --git a/app/models/instance_filter.rb b/app/models/instance_filter.rb
index 9e533c4aa..e7e5166a1 100644
--- a/app/models/instance_filter.rb
+++ b/app/models/instance_filter.rb
@@ -4,8 +4,7 @@ class InstanceFilter
   KEYS = %i(
     limited
     by_domain
-    warning
-    unavailable
+    availability
   ).freeze
 
   attr_reader :params
@@ -34,12 +33,21 @@ class InstanceFilter
       Instance.joins(:domain_allow).reorder(Arel.sql('domain_allows.id desc'))
     when 'by_domain'
       Instance.matches_domain(value)
-    when 'warning'
+    when 'availability'
+      availability_scope(value)
+    else
+      raise "Unknown filter: #{key}"
+    end
+  end
+
+  def availability_scope(value)
+    case value
+    when 'failing'
       Instance.where(domain: DeliveryFailureTracker.warning_domains)
     when 'unavailable'
       Instance.joins(:unavailable_domain)
     else
-      raise "Unknown filter: #{key}"
+      raise "Unknown availability: #{value}"
     end
   end
 end
diff --git a/app/models/notification.rb b/app/models/notification.rb
index 9bf296386..ba94b54d1 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -63,13 +63,6 @@ class Notification < ApplicationRecord
 
   scope :without_suspended, -> { joins(:from_account).merge(Account.without_suspended) }
 
-  scope :browserable, ->(exclude_types = [], account_id = nil) {
-    scope = all
-    scope = where(from_account_id: account_id) if account_id.present?
-    scope = scope.where(type: TYPES - exclude_types.map(&:to_sym)) unless exclude_types.empty?
-    scope
-  }
-
   def type
     @type ||= (super || LEGACY_TYPE_CLASS_MAP[activity_type]).to_sym
   end
@@ -90,6 +83,23 @@ class Notification < ApplicationRecord
   end
 
   class << self
+    def browserable(types: [], exclude_types: [], from_account_id: nil)
+      requested_types = begin
+        if types.empty?
+          TYPES
+        else
+          types.map(&:to_sym) & TYPES
+        end
+      end
+
+      requested_types -= exclude_types.map(&:to_sym)
+
+      all.tap do |scope|
+        scope.merge!(where(from_account_id: from_account_id)) if from_account_id.present?
+        scope.merge!(where(type: requested_types)) unless requested_types.size == TYPES.size
+      end
+    end
+
     def preload_cache_collection_target_statuses(notifications, &_block)
       notifications.group_by(&:type).each do |type, grouped_notifications|
         associations = TARGET_STATUS_INCLUDES_BY_TYPE[type]
diff --git a/app/models/preview_card.rb b/app/models/preview_card.rb
index 0f9e23fa1..0d2c32c35 100644
--- a/app/models/preview_card.rb
+++ b/app/models/preview_card.rb
@@ -80,6 +80,10 @@ class PreviewCard < ApplicationRecord
     end
   end
 
+  def requires_review?
+    attributes['trendable'].nil? && (provider.nil? || provider.requires_review?)
+  end
+
   def requires_review_notification?
     attributes['trendable'].nil? && (provider.nil? || provider.requires_review_notification?)
   end
diff --git a/app/models/report.rb b/app/models/report.rb
index 8ba2dd8fd..6d4166540 100644
--- a/app/models/report.rb
+++ b/app/models/report.rb
@@ -63,8 +63,20 @@ class Report < ApplicationRecord
     Status.with_discarded.where(id: status_ids)
   end
 
-  def media_attachments
-    MediaAttachment.where(status_id: status_ids)
+  def media_attachments_count
+    statuses_to_query = []
+    count = 0
+
+    statuses.pluck(:id, :ordered_media_attachment_ids).each do |id, ordered_ids|
+      if ordered_ids.nil?
+        statuses_to_query << id
+      else
+        count += ordered_ids.size
+      end
+    end
+
+    count += MediaAttachment.where(status_id: statuses_to_query).count unless statuses_to_query.empty?
+    count
   end
 
   def rules
diff --git a/app/models/status.rb b/app/models/status.rb
index 6a848baee..b979252b3 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -3,31 +3,31 @@
 #
 # Table name: statuses
 #
-#  id                     :bigint(8)        not null, primary key
-#  uri                    :string
-#  text                   :text             default(""), not null
-#  created_at             :datetime         not null
-#  updated_at             :datetime         not null
-#  in_reply_to_id         :bigint(8)
-#  reblog_of_id           :bigint(8)
-#  url                    :string
-#  sensitive              :boolean          default(FALSE), not null
-#  visibility             :integer          default("public"), not null
-#  spoiler_text           :text             default(""), not null
-#  reply                  :boolean          default(FALSE), not null
-#  language               :string
-#  conversation_id        :bigint(8)
-#  local                  :boolean
-#  account_id             :bigint(8)        not null
-#  application_id         :bigint(8)
-#  in_reply_to_account_id :bigint(8)
-#  local_only             :boolean
-#  full_status_text       :text             default(""), not null
-#  poll_id                :bigint(8)
-#  content_type           :string
-#  deleted_at             :datetime
-#  edited_at              :datetime
-#  trendable              :boolean
+#  id                           :bigint(8)        not null, primary key
+#  uri                          :string
+#  text                         :text             default(""), not null
+#  created_at                   :datetime         not null
+#  updated_at                   :datetime         not null
+#  in_reply_to_id               :bigint(8)
+#  reblog_of_id                 :bigint(8)
+#  url                          :string
+#  sensitive                    :boolean          default(FALSE), not null
+#  visibility                   :integer          default("public"), not null
+#  spoiler_text                 :text             default(""), not null
+#  reply                        :boolean          default(FALSE), not null
+#  language                     :string
+#  conversation_id              :bigint(8)
+#  local                        :boolean
+#  account_id                   :bigint(8)        not null
+#  application_id               :bigint(8)
+#  in_reply_to_account_id       :bigint(8)
+#  local_only                   :boolean
+#  poll_id                      :bigint(8)
+#  content_type                 :string
+#  deleted_at                   :datetime
+#  edited_at                    :datetime
+#  trendable                    :boolean
+#  ordered_media_attachment_ids :bigint(8)        is an Array
 #
 
 class Status < ApplicationRecord
@@ -217,14 +217,18 @@ class Status < ApplicationRecord
     public_visibility? || unlisted_visibility?
   end
 
-  def snapshot!(media_attachments_changed: false, account_id: nil, at_time: nil)
+  def snapshot!(account_id: nil, at_time: nil, rate_limit: true)
     edits.create!(
       text: text,
       spoiler_text: spoiler_text,
-      media_attachments_changed: media_attachments_changed,
+      sensitive: sensitive,
+      ordered_media_attachment_ids: ordered_media_attachment_ids || media_attachments.pluck(:id),
+      media_descriptions: ordered_media_attachments.map(&:description),
+      poll_options: preloadable_poll&.options,
       account_id: account_id || self.account_id,
       content_type: content_type,
-      created_at: at_time || edited_at
+      created_at: at_time || edited_at,
+      rate_limit: rate_limit
     )
   end
 
@@ -235,7 +239,7 @@ class Status < ApplicationRecord
   alias sign? distributable?
 
   def with_media?
-    media_attachments.any?
+    ordered_media_attachments.any?
   end
 
   def with_preview_card?
@@ -259,6 +263,15 @@ class Status < ApplicationRecord
     @emojis = CustomEmoji.from_text(fields.join(' '), account.domain)
   end
 
+  def ordered_media_attachments
+    if ordered_media_attachment_ids.nil?
+      media_attachments
+    else
+      map = media_attachments.index_by(&:id)
+      ordered_media_attachment_ids.map { |media_attachment_id| map[media_attachment_id] }
+    end
+  end
+
   def replies_count
     status_stat&.replies_count || 0
   end
@@ -287,6 +300,10 @@ class Status < ApplicationRecord
     end
   end
 
+  def requires_review?
+    attributes['trendable'].nil? && account.requires_review?
+  end
+
   def requires_review_notification?
     attributes['trendable'].nil? && account.requires_review_notification?
   end
@@ -428,6 +445,63 @@ class Status < ApplicationRecord
     super || build_status_stat
   end
 
+  # Hack to use a "INSERT INTO ... SELECT ..." query instead of "INSERT INTO ... VALUES ..." query
+  def self._insert_record(values)
+    if values.is_a?(Hash) && values['reblog_of_id'].present?
+      primary_key = self.primary_key
+      primary_key_value = nil
+
+      if primary_key
+        primary_key_value = values[primary_key]
+
+        if !primary_key_value && prefetch_primary_key?
+          primary_key_value = next_sequence_value
+          values[primary_key] = primary_key_value
+        end
+      end
+
+      # The following line is where we differ from stock ActiveRecord implementation
+      im = _compile_reblog_insert(values)
+
+      # Since we are using SELECT instead of VALUES, a non-error `nil` return is possible.
+      # For our purposes, it's equivalent to a foreign key constraint violation
+      result = connection.insert(im, "#{self} Create", primary_key || false, primary_key_value)
+      raise ActiveRecord::InvalidForeignKey, "(reblog_of_id)=(#{values['reblog_of_id']}) is not present in table \"statuses\"" if result.nil?
+
+      result
+    else
+      super
+    end
+  end
+
+  def self._compile_reblog_insert(values)
+    # This is somewhat equivalent to the following code of ActiveRecord::Persistence:
+    # `arel_table.compile_insert(_substitute_values(values))`
+    # The main difference is that we use a `SELECT` instead of a `VALUES` clause,
+    # which means we have to build the `SELECT` clause ourselves and do a bit more
+    # manual work.
+
+    # Instead of using Arel::InsertManager#values, we are going to use Arel::InsertManager#select
+    im = Arel::InsertManager.new
+    im.into(arel_table)
+
+    binds = []
+    reblog_bind = nil
+    values.each do |name, value|
+      attr = arel_table[name]
+      bind = predicate_builder.build_bind_attribute(attr.name, value)
+
+      im.columns << attr
+      binds << bind
+
+      reblog_bind = bind if name == 'reblog_of_id'
+    end
+
+    im.select(arel_table.where(arel_table[:id].eq(reblog_bind)).where(arel_table[:deleted_at].eq(nil)).project(*binds))
+
+    im
+  end
+
   private
 
   def update_status_stat!(attrs)
diff --git a/app/models/status_edit.rb b/app/models/status_edit.rb
index 3d8098fe7..33528eb0d 100644
--- a/app/models/status_edit.rb
+++ b/app/models/status_edit.rb
@@ -3,18 +3,39 @@
 #
 # Table name: status_edits
 #
-#  id                        :bigint(8)        not null, primary key
-#  status_id                 :bigint(8)        not null
-#  account_id                :bigint(8)
-#  text                      :text             default(""), not null
-#  spoiler_text              :text             default(""), not null
-#  media_attachments_changed :boolean          default(FALSE), not null
-#  created_at                :datetime         not null
-#  updated_at                :datetime         not null
-#  content_type              :string
+#  id                           :bigint(8)        not null, primary key
+#  status_id                    :bigint(8)        not null
+#  account_id                   :bigint(8)
+#  text                         :text             default(""), not null
+#  spoiler_text                 :text             default(""), not null
+#  created_at                   :datetime         not null
+#  updated_at                   :datetime         not null
+#  content_type                 :string
+#  ordered_media_attachment_ids :bigint(8)        is an Array
+#  media_descriptions           :text             is an Array
+#  poll_options                 :string           is an Array
+#  sensitive                    :boolean
 #
 
 class StatusEdit < ApplicationRecord
+  include RateLimitable
+
+  self.ignored_columns = %w(
+    media_attachments_changed
+  )
+
+  class PreservedMediaAttachment < ActiveModelSerializers::Model
+    attributes :media_attachment, :description
+
+    delegate :id, :type, :url, :preview_url, :remote_url,
+             :preview_remote_url, :text_url, :meta, :blurhash,
+             :not_processed?, :needs_redownload?, :local?,
+             :file, :thumbnail, :thumbnail_remote_url,
+             :shortcode, to: :media_attachment
+  end
+
+  rate_limit by: :account, family: :statuses
+
   belongs_to :status
   belongs_to :account, optional: true
 
@@ -26,4 +47,17 @@ class StatusEdit < ApplicationRecord
     return @emojis if defined?(@emojis)
     @emojis = CustomEmoji.from_text([spoiler_text, text].join(' '), status.account.domain)
   end
+
+  def ordered_media_attachments
+    return @ordered_media_attachments if defined?(@ordered_media_attachments)
+
+    @ordered_media_attachments = begin
+      if ordered_media_attachment_ids.nil?
+        []
+      else
+        map = status.media_attachments.index_by(&:id)
+        ordered_media_attachment_ids.map.with_index { |media_attachment_id, index| PreservedMediaAttachment.new(media_attachment: map[media_attachment_id], description: media_descriptions[index]) }
+      end
+    end
+  end
 end