Use Enumerable#filter_map in more places (#15527)

app/lib/spam_check.rb

@@ -186,9 +186,9 @@ class SpamCheck
 
   def matching_status_ids
     if nilsimsa?
-      other_digests.select { |record| record.start_with?('nilsimsa') && nilsimsa_compare_value(digest, record.split(':')[1]) >= NILSIMSA_COMPARE_THRESHOLD }.filter_map { |record| record.split(':')[2] }
+      other_digests.filter_map { |record| record.split(':')[2] if record.start_with?('nilsimsa') && nilsimsa_compare_value(digest, record.split(':')[1]) >= NILSIMSA_COMPARE_THRESHOLD }
     else
-      other_digests.select { |record| record.start_with?('md5') && record.split(':')[1] == digest }.filter_map { |record| record.split(':')[2] }
+      other_digests.filter_map { |record| record.split(':')[2] if record.start_with?('md5') && record.split(':')[1] == digest }
     end
   end
 

app/presenters/status_relationships_presenter.rb

@@ -15,7 +15,7 @@ class StatusRelationshipsPresenter
       statuses            = statuses.compact
       status_ids          = statuses.flat_map { |s| [s.id, s.reblog_of_id] }.uniq.compact
       conversation_ids    = statuses.filter_map(&:conversation_id).uniq
-      pinnable_status_ids = statuses.map(&:proper).select { |s| s.account_id == current_account_id && %w(public unlisted).include?(s.visibility) }.map(&:id)
+      pinnable_status_ids = statuses.map(&:proper).filter_map { |s| s.id if s.account_id == current_account_id && %w(public unlisted).include?(s.visibility) }
 
       @reblogs_map     = Status.reblogs_map(status_ids, current_account_id).merge(options[:reblogs_map] || {})
       @favourites_map  = Status.favourites_map(status_ids, current_account_id).merge(options[:favourites_map] || {})

app/services/activitypub/fetch_featured_collection_service.rb

@@ -23,11 +23,8 @@ class ActivityPub::FetchFeaturedCollectionService < BaseService
 
   def process_items(items)
     status_ids = items.map { |item| value_or_id(item) }
-                      .reject { |uri| ActivityPub::TagManager.instance.local_uri?(uri) }
-                      .filter_map { |uri| ActivityPub::FetchRemoteStatusService.new.call(uri) }
-                      .select { |status| status.account_id == @account.id }
-                      .map(&:id)
-
+                      .filter_map { |uri| ActivityPub::FetchRemoteStatusService.new.call(uri) unless ActivityPub::TagManager.instance.local_uri?(uri) }
+                      .filter_map { |status| status.id if status.account_id == @account.id }
     to_remove = []
     to_add    = status_ids