Pinned statuses (#4675)

* Pinned statuses

* yarn manage:translations

app/models/account.rb

@@ -77,6 +77,10 @@ class Account < ApplicationRecord
   has_many :mentions, inverse_of: :account, dependent: :destroy
   has_many :notifications, inverse_of: :account, dependent: :destroy
 
+  # Pinned statuses
+  has_many :status_pins, inverse_of: :account, dependent: :destroy
+  has_many :pinned_statuses, through: :status_pins, class_name: 'Status', source: :status
+
   # Media
   has_many :media_attachments, dependent: :destroy
 

app/models/concerns/account_interactions.rb

@@ -138,4 +138,8 @@ module AccountInteractions
   def reblogged?(status)
     status.proper.reblogs.where(account: self).exists?
   end
+
+  def pinned?(status)
+    status_pins.where(status: status).exists?
+  end
 end

app/models/status.rb

@@ -164,6 +164,10 @@ class Status < ApplicationRecord
       ConversationMute.select('conversation_id').where(conversation_id: conversation_ids).where(account_id: account_id).map { |m| [m.conversation_id, true] }.to_h
     end
 
+    def pins_map(status_ids, account_id)
+      StatusPin.select('status_id').where(status_id: status_ids).where(account_id: account_id).map { |p| [p.status_id, true] }.to_h
+    end
+
     def reload_stale_associations!(cached_items)
       account_ids = []
 

app/models/status_pin.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: status_pins
+#
+#  id         :integer          not null, primary key
+#  account_id :integer          not null
+#  status_id  :integer          not null
+#
+
+class StatusPin < ApplicationRecord
+  belongs_to :account, required: true
+  belongs_to :status, required: true
+
+  validates_with StatusPinValidator
+end