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module Ci
class ProcessPipelineService < BaseService
attr_reader :pipeline
def execute(pipeline)
@pipeline = pipeline
# This method will ensure that our pipeline does have all builds for all stages created
if created_builds.empty?
create_builds!
end
new_builds =
stage_indexes_of_created_builds.map do |index|
process_stage(index)
end
@pipeline.update_status
new_builds.flatten.any?
end
private
def create_builds!
Ci::CreatePipelineBuildsService.new(project, current_user).execute(pipeline)
end
def process_stage(index)
current_status = status_for_prior_stages(index)
if HasStatus::COMPLETED_STATUSES.include?(current_status)
created_builds_in_stage(index).select do |build|
process_build(build, current_status)
end
end
end
def process_build(build, current_status)
build.with_lock do
if valid_statuses_for_when(build.when).include?(current_status)
build.enqueue
else
build.skip
end
end
end
def valid_statuses_for_when(value)
case value
when 'on_success'
%w[success]
when 'on_failure'
%w[failed]
when 'always'
%w[success failed]
else
[]
end
end
def status_for_prior_stages(index)
pipeline.builds.where('stage_idx < ?', index).latest.status || 'success'
end
def stage_indexes_of_created_builds
created_builds.order(:stage_idx).pluck('distinct stage_idx')
end
def created_builds_in_stage(index)
created_builds.where(stage_idx: index)
end
def created_builds
pipeline.builds.created
end
end
end
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