53 lines
1.6 KiB
Ruby
53 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Ci
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module Pipeline
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# Class for preloading data associated with pipelines such as commit
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# authors.
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class Preloader
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def self.preload!(pipelines)
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##
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# This preloads all commits at once, because `Ci::Pipeline#commit` is
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# using a lazy batch loading, what results in only one batched Gitaly
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# call.
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#
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pipelines.each(&:commit)
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pipelines.each do |pipeline|
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self.new(pipeline).tap do |preloader|
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preloader.preload_commit_authors
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preloader.preload_pipeline_warnings
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preloader.preload_stages_warnings
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end
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end
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end
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def initialize(pipeline)
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@pipeline = pipeline
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end
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def preload_commit_authors
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# This also preloads the author of every commit. We're using "lazy_author"
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# here since "author" immediately loads the data on the first call.
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@pipeline.commit.try(:lazy_author)
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end
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def preload_pipeline_warnings
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# This preloads the number of warnings for every pipeline, ensuring
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# that Ci::Pipeline#has_warnings? doesn't execute any additional
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# queries.
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@pipeline.number_of_warnings
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end
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def preload_stages_warnings
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# This preloads the number of warnings for every stage, ensuring
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# that Ci::Stage#has_warnings? doesn't execute any additional
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# queries.
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@pipeline.stages.each { |stage| stage.number_of_warnings }
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end
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end
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end
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end
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end
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