Extract ExportSummary class for account object counts (#32227)

app/presenters/export_summary.rb

@@ -0,0 +1,70 @@
+# frozen_string_literal: true
+
+class ExportSummary
+  attr_reader :account, :counts
+
+  delegate(
+    :blocking,
+    :bookmarks,
+    :domain_blocks,
+    :owned_lists,
+    :media_attachments,
+    :muting,
+    to: :account,
+    prefix: true
+  )
+
+  def initialize(account)
+    @account = account
+    @counts = populate_counts
+  end
+
+  def total_blocks
+    counts[:blocks].value
+  end
+
+  def total_bookmarks
+    counts[:bookmarks].value
+  end
+
+  def total_domain_blocks
+    counts[:domain_blocks].value
+  end
+
+  def total_followers
+    account.followers_count
+  end
+
+  def total_follows
+    account.following_count
+  end
+
+  def total_lists
+    counts[:owned_lists].value
+  end
+
+  def total_mutes
+    counts[:muting].value
+  end
+
+  def total_statuses
+    account.statuses_count
+  end
+
+  def total_storage
+    counts[:storage].value
+  end
+
+  private
+
+  def populate_counts
+    {
+      blocks: account_blocking.async_count,
+      bookmarks: account_bookmarks.async_count,
+      domain_blocks: account_domain_blocks.async_count,
+      owned_lists: account_owned_lists.async_count,
+      muting: account_muting.async_count,
+      storage: account_media_attachments.async_sum(:file_file_size),
+    }
+  end
+end