87 lines
2.5 KiB
Ruby
87 lines
2.5 KiB
Ruby
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# frozen_string_literal: true
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# A state object to centralize logic related to merge request pipelines
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class MergeRequest::Pipelines
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include Gitlab::Utils::StrongMemoize
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EVENT = 'merge_request_event'
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def initialize(merge_request)
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@merge_request = merge_request
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end
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attr_reader :merge_request
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delegate :commit_shas, :source_project, :source_branch, to: :merge_request
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def all
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strong_memoize(:all_pipelines) do
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next Ci::Pipeline.none unless source_project
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pipelines =
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if merge_request.persisted?
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pipelines_using_cte
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else
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triggered_for_branch.for_sha(commit_shas)
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end
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sort(pipelines)
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end
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end
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private
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def pipelines_using_cte
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cte = Gitlab::SQL::CTE.new(:shas, merge_request.all_commits.select(:sha))
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source_pipelines_join = cte.table[:sha].eq(Ci::Pipeline.arel_table[:source_sha])
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source_pipelines = filter_by(triggered_by_merge_request, cte, source_pipelines_join)
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detached_pipelines = filter_by_sha(triggered_by_merge_request, cte)
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pipelines_for_branch = filter_by_sha(triggered_for_branch, cte)
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Ci::Pipeline.with(cte.to_arel)
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.from_union([source_pipelines, detached_pipelines, pipelines_for_branch])
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end
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def filter_by_sha(pipelines, cte)
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hex = Arel::Nodes::SqlLiteral.new("'hex'")
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string_sha = Arel::Nodes::NamedFunction.new('encode', [cte.table[:sha], hex])
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join_condition = string_sha.eq(Ci::Pipeline.arel_table[:sha])
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filter_by(pipelines, cte, join_condition)
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end
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def filter_by(pipelines, cte, join_condition)
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shas_table =
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Ci::Pipeline.arel_table
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.join(cte.table, Arel::Nodes::InnerJoin)
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.on(join_condition)
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.join_sources
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pipelines.joins(shas_table)
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end
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def triggered_by_merge_request
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source_project.ci_pipelines
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.where(source: :merge_request_event, merge_request: merge_request)
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end
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def triggered_for_branch
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source_project.ci_pipelines
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.where(source: branch_pipeline_sources, ref: source_branch, tag: false)
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end
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def branch_pipeline_sources
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strong_memoize(:branch_pipeline_sources) do
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Ci::Pipeline.sources.reject { |source| source == EVENT }.values
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end
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end
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def sort(pipelines)
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sql = 'CASE ci_pipelines.source WHEN (?) THEN 0 ELSE 1 END, ci_pipelines.id DESC'
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query = ApplicationRecord.send(:sanitize_sql_array, [sql, Ci::Pipeline.sources[:merge_request_event]]) # rubocop:disable GitlabSecurity/PublicSend
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pipelines.order(Arel.sql(query))
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end
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end
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