debian-mirror-gitlab/lib/gitlab/analytics/cycle_analytics/base_query_builder.rb
2019-12-26 22:10:19 +05:30

72 lines
2 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Analytics
module CycleAnalytics
class BaseQueryBuilder
include Gitlab::CycleAnalytics::MetricsTables
delegate :subject_class, to: :stage
# rubocop: disable CodeReuse/ActiveRecord
def initialize(stage:, params: {})
@stage = stage
@params = params
end
def build
query = subject_class
query = filter_by_parent_model(query)
query = filter_by_time_range(query)
query = stage.start_event.apply_query_customization(query)
query = stage.end_event.apply_query_customization(query)
query.where(duration_condition)
end
private
attr_reader :stage, :params
def duration_condition
stage.end_event.timestamp_projection.gteq(stage.start_event.timestamp_projection)
end
def filter_by_parent_model(query)
if parent_class.eql?(Project)
if subject_class.eql?(Issue)
query.where(project_id: stage.parent_id)
elsif subject_class.eql?(MergeRequest)
query.where(target_project_id: stage.parent_id)
else
raise ArgumentError, "unknown subject_class: #{subject_class}"
end
else
raise ArgumentError, "unknown parent_class: #{parent_class}"
end
end
def filter_by_time_range(query)
from = params.fetch(:from, 30.days.ago)
to = params[:to]
query = query.where(subject_table[:created_at].gteq(from))
query = query.where(subject_table[:created_at].lteq(to)) if to
query
end
def subject_table
subject_class.arel_table
end
def parent_class
stage.parent.class
end
# rubocop: enable CodeReuse/ActiveRecord
end
end
end
end
Gitlab::Analytics::CycleAnalytics::BaseQueryBuilder.prepend_if_ee('EE::Gitlab::Analytics::CycleAnalytics::BaseQueryBuilder')