2019-07-31 22:56:46 +05:30
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# frozen_string_literal: true
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# This module is providing helpers for updating `ProjectStatistics` with `after_save` and `before_destroy` hooks.
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#
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# It deals with `ProjectStatistics.increment_statistic` making sure not to update statistics on a cascade delete from the
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# project, and keeping track of value deltas on each save. It updates the DB only when a change is needed.
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#
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2019-09-04 21:01:54 +05:30
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# Example:
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2019-07-31 22:56:46 +05:30
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#
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2019-09-04 21:01:54 +05:30
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# module Ci
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# class JobArtifact < ApplicationRecord
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# include UpdateProjectStatistics
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#
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# update_project_statistics project_statistics_name: :build_artifacts_size
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# end
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# end
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#
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# Expectation:
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#
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# - `statistic_attribute` must be an ActiveRecord attribute
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2019-07-31 22:56:46 +05:30
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# - The model must implement `project` and `project_id`. i.e. direct Project relationship or delegation
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module UpdateProjectStatistics
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extend ActiveSupport::Concern
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2019-09-30 21:07:59 +05:30
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include AfterCommitQueue
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2019-07-31 22:56:46 +05:30
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class_methods do
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2019-09-04 21:01:54 +05:30
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attr_reader :project_statistics_name, :statistic_attribute
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2019-07-31 22:56:46 +05:30
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2019-09-04 21:01:54 +05:30
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# Configure the model to update `project_statistics_name` on ProjectStatistics,
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# when `statistic_attribute` changes
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#
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# - project_statistics_name: A column of `ProjectStatistics` to update
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# - statistic_attribute: An attribute of the current model, default to `size`
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def update_project_statistics(project_statistics_name:, statistic_attribute: :size)
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@project_statistics_name = project_statistics_name
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@statistic_attribute = statistic_attribute
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2019-07-31 22:56:46 +05:30
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after_save(:update_project_statistics_after_save, if: :update_project_statistics_attribute_changed?)
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after_destroy(:update_project_statistics_after_destroy, unless: :project_destroyed?)
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end
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2019-09-04 21:01:54 +05:30
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2019-07-31 22:56:46 +05:30
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private :update_project_statistics
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end
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included do
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private
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def update_project_statistics_after_save
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attr = self.class.statistic_attribute
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delta = read_attribute(attr).to_i - attribute_before_last_save(attr).to_i
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update_project_statistics(delta)
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2019-09-30 21:07:59 +05:30
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schedule_namespace_aggregation_worker
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2019-07-31 22:56:46 +05:30
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end
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2019-09-04 21:01:54 +05:30
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def update_project_statistics_attribute_changed?
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saved_change_to_attribute?(self.class.statistic_attribute)
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end
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2019-07-31 22:56:46 +05:30
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def update_project_statistics_after_destroy
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update_project_statistics(-read_attribute(self.class.statistic_attribute).to_i)
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2019-09-30 21:07:59 +05:30
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schedule_namespace_aggregation_worker
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2019-07-31 22:56:46 +05:30
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end
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2019-09-04 21:01:54 +05:30
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def project_destroyed?
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project.pending_delete?
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end
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2019-07-31 22:56:46 +05:30
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def update_project_statistics(delta)
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ProjectStatistics.increment_statistic(project_id, self.class.project_statistics_name, delta)
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2019-07-31 22:56:46 +05:30
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end
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2019-09-30 21:07:59 +05:30
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def schedule_namespace_aggregation_worker
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run_after_commit do
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2019-10-12 21:52:04 +05:30
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next if project.nil?
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2019-09-30 21:07:59 +05:30
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Namespaces::ScheduleAggregationWorker.perform_async(project.namespace_id)
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end
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end
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2019-07-31 22:56:46 +05:30
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end
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end
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