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|
# frozen_string_literal: true
module Gitlab
module Analytics
module CycleAnalytics
class RecordsFetcher
include Gitlab::Utils::StrongMemoize
include StageQueryHelpers
include Gitlab::CycleAnalytics::MetricsTables
MAX_RECORDS = 20
MAPPINGS = {
Issue => {
serializer_class: AnalyticsIssueSerializer,
includes_for_query: { project: { namespace: [:route] }, author: [] },
columns_for_select: %I[title iid id created_at author_id project_id]
},
MergeRequest => {
serializer_class: AnalyticsMergeRequestSerializer,
includes_for_query: { target_project: [:namespace], author: [] },
columns_for_select: %I[title iid id created_at author_id state_id target_project_id]
}
}.freeze
delegate :subject_class, to: :stage
def initialize(stage:, query:, params: {})
@stage = stage
@query = query
@params = params
@sort = params[:sort] || :end_event
@direction = params[:direction] || :desc
end
def serialized_records
strong_memoize(:serialized_records) do
# special case (legacy): 'Test' and 'Staging' stages should show Ci::Build records
if default_test_stage? || default_staging_stage?
AnalyticsBuildSerializer.new.represent(ci_build_records.map { |e| e['build'] })
else
records.map do |record|
project = record.project
attributes = record.attributes.merge({
project_path: project.path,
namespace_path: project.namespace.route.path,
author: record.author
})
serializer.represent(attributes)
end
end
end
end
private
attr_reader :stage, :query, :params, :sort, :direction
def columns
MAPPINGS.fetch(subject_class).fetch(:columns_for_select).map do |column_name|
subject_class.arel_table[column_name]
end
end
def default_test_stage?
stage.matches_with_stage_params?(Gitlab::Analytics::CycleAnalytics::DefaultStages.params_for_test_stage)
end
def default_staging_stage?
stage.matches_with_stage_params?(Gitlab::Analytics::CycleAnalytics::DefaultStages.params_for_staging_stage)
end
def serializer
MAPPINGS.fetch(subject_class).fetch(:serializer_class).new
end
# Loading Ci::Build records instead of MergeRequest records
# rubocop: disable CodeReuse/ActiveRecord
def ci_build_records
ci_build_join = mr_metrics_table
.join(build_table)
.on(mr_metrics_table[:pipeline_id].eq(build_table[:commit_id]))
.join_sources
q = ordered_and_limited_query
.joins(ci_build_join)
.select(build_table[:id], *time_columns)
results = execute_query(q).to_a
Gitlab::CycleAnalytics::Updater.update!(results, from: 'id', to: 'build', klass: ::Ci::Build.includes({ project: [:namespace], user: [], pipeline: [] }))
end
def ordered_and_limited_query
order_by(query, sort, direction, columns).limit(MAX_RECORDS)
end
def records
results = ordered_and_limited_query
.select(*columns, *time_columns)
# using preloader instead of includes to avoid AR generating a large column list
ActiveRecord::Associations::Preloader.new.preload(
results,
MAPPINGS.fetch(subject_class).fetch(:includes_for_query)
)
results
end
# rubocop: enable CodeReuse/ActiveRecord
def time_columns
[
stage.start_event.timestamp_projection.as('start_event_timestamp'),
stage.end_event.timestamp_projection.as('end_event_timestamp'),
round_duration_to_seconds.as('total_time')
]
end
end
end
end
end
Gitlab::Analytics::CycleAnalytics::RecordsFetcher.prepend_if_ee('EE::Gitlab::Analytics::CycleAnalytics::RecordsFetcher')
|
