diff options
Diffstat (limited to 'app/models/site_statistic.rb')
-rw-r--r-- | app/models/site_statistic.rb | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/app/models/site_statistic.rb b/app/models/site_statistic.rb deleted file mode 100644 index 3a7912ed53a..00000000000 --- a/app/models/site_statistic.rb +++ /dev/null @@ -1,76 +0,0 @@ -# frozen_string_literal: true - -class SiteStatistic < ActiveRecord::Base - # prevents the creation of multiple rows - default_value_for :id, 1 - - COUNTER_ATTRIBUTES = %w(repositories_count).freeze - REQUIRED_SCHEMA_VERSION = 20180629153018 - - # Tracks specific attribute - # - # @param [String] raw_attribute must be one of the values listed in COUNTER_ATTRIBUTES - def self.track(raw_attribute) - with_statistics_available(raw_attribute) do |attribute| - SiteStatistic.update_all(["#{attribute} = #{attribute}+1"]) - end - end - - # Untracks specific attribute - # - # @param [String] raw_attribute must be one of the values listed in COUNTER_ATTRIBUTES - def self.untrack(raw_attribute) - with_statistics_available(raw_attribute) do |attribute| - SiteStatistic.update_all(["#{attribute} = #{attribute}-1 WHERE #{attribute} > 0"]) - end - end - - # Wrapper for track/untrack operations with basic validations and enforced requirements - # - # @param [String] raw_attribute must be one of the values listed in COUNTER_ATTRIBUTES - # @yield [String] attribute quoted to be used inside SQL / Arel query - def self.with_statistics_available(raw_attribute) - unless raw_attribute.in?(COUNTER_ATTRIBUTES) - raise ArgumentError, "Invalid attribute: '#{raw_attribute}' to '#{caller_locations(1, 1)[0].label}' method. " \ - "Valid attributes are: #{COUNTER_ATTRIBUTES.join(', ')}" - end - - return unless available? - - self.fetch # make sure record exists - - attribute = self.connection.quote_column_name(raw_attribute) - - # will be running on its own transaction context - yield(attribute) - end - - # Returns a site statistic record with tracked information - # - # @return [SiteStatistic] record with tracked information - def self.fetch - transaction(requires_new: true) do - SiteStatistic.first_or_create! - end - rescue ActiveRecord::RecordNotUnique - retry - end - - # Return whether required schema change is available - # - # This is needed in order to degrade gracefully when testing schema migrations - # - # @return [Boolean] whether schema is available - def self.available? - @available_flag ||= ActiveRecord::Migrator.current_version >= REQUIRED_SCHEMA_VERSION - end - - # Resets cached column information - # - # This is called during schema migration specs, in order to reset internal cache state - def self.reset_column_information - @available_flag = nil - - super - end -end |