Change design of federation pages in admin UI (#17704)

* Change design of federation pages in admin UI

* Fix query performance in instance media attachments measure

* Fix reblogs being included in instance languages dimension

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?

app/models/instance.rb

@@ -32,35 +32,27 @@ class Instance < ApplicationRecord
     @delivery_failure_tracker ||= DeliveryFailureTracker.new(domain)
   end
 
-  def following_count
-    @following_count ||= Follow.where(account: accounts).count
+  def unavailable?
+    unavailable_domain.present?
   end
 
-  def followers_count
-    @followers_count ||= Follow.where(target_account: accounts).count
-  end
-
-  def reports_count
-    @reports_count ||= Report.where(target_account: accounts).count
-  end
-
-  def blocks_count
-    @blocks_count ||= Block.where(target_account: accounts).count
-  end
-
-  def public_comment
-    domain_block&.public_comment
-  end
-
-  def private_comment
-    domain_block&.private_comment
-  end
-
-  def media_storage
-    @media_storage ||= MediaAttachment.where(account: accounts).sum(:file_file_size)
+  def failing?
+    failure_days.present? || unavailable?
   end
 
   def to_param
     domain
   end
+
+  delegate :exhausted_deliveries_days, to: :delivery_failure_tracker
+
+  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
+
+    (period_start_at..period_end_at).map do |date|
+      [date, failures_map[date]]
+    end
+  end
 end

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'
-      Instance.where(domain: DeliveryFailureTracker.warning_domains)
-    when 'unavailable'
-      Instance.joins(:unavailable_domain)
+    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 availability: #{value}"
+    end
+  end
 end