Remove Search::Record.for_account

Instead we'll compute the table name dynamically based on
Current.account where needed. Also we'll prevent searchable records
from being saved if Current.account is not set, otherwise the after
commit callbacks will fail.

lib/tasks/search.rake

@@ -2,17 +2,24 @@ namespace :search do
   desc "Reindex all cards and comments in the search index"
   task reindex: :environment do
     puts "Clearing search records..."
-    Search::Record::Trilogy::SHARD_COUNT.times do |shard_id|
-      ActiveRecord::Base.connection.execute("DELETE FROM search_records_#{shard_id}")
+    if ActiveRecord::Base.connection.adapter_name == "SQLite"
+      ActiveRecord::Base.connection.execute("DELETE FROM search_records")
+      ActiveRecord::Base.connection.execute("DELETE FROM search_records_fts")
+    else
+      Search::Record::Trilogy::SHARD_COUNT.times do |shard_id|
+        ActiveRecord::Base.connection.execute("DELETE FROM search_records_#{shard_id}")
+      end
     end
 
     puts "Reindexing cards..."
     Card.find_each do |card|
+      Current.account = card.account
       card.reindex
     end
 
     puts "Reindexing comments..."
     Comment.find_each do |comment|
+      Current.account = comment.account
       comment.reindex
     end