Remove Site Statistic53778-remove-site-statistics

This approach caused many different problems as we tightened
the query execution timeout.

2 files changed, 0 insertions, 79 deletions

diff --git a/app/models/project.rb b/app/models/project.rb
index 4d1917b9ab2..c25d76647f4 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -88,9 +88,6 @@ class Project < ActiveRecord::Base
 
   after_create :create_project_feature, unless: :project_feature
 
-  after_create -> { SiteStatistic.track(STATISTICS_ATTRIBUTE) }
-  before_destroy -> { SiteStatistic.untrack(STATISTICS_ATTRIBUTE) }
-
   after_create :create_ci_cd_settings,
     unless: :ci_cd_settings,
     if: proc { ProjectCiCdSetting.available? }
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