rosa-build/app/presenters/statistic_presenter.rb

78 lines
2.2 KiB
Ruby

class StatisticPresenter
attr_accessor :range_start, :range_end, :unit, :users_or_groups
def initialize(range_start: nil, range_end: nil, unit: nil, users_or_groups: nil)
@range_start = range_start
@range_end = range_end
@unit = unit
@users_or_groups = users_or_groups.to_s.split(/,/).map(&:strip).select(&:present?).first(3)
end
def as_json(options = nil)
{
build_lists: {
build_started: prepare_collection(build_lists_started),
success: prepare_collection(build_lists_success),
build_error: prepare_collection(build_lists_error),
build_published: prepare_collection(build_lists_published),
build_started_count: build_lists_started.sum(&:count),
success_count: build_lists_success.sum(&:count),
build_error_count: build_lists_error.sum(&:count),
build_published_count: build_lists_published.sum(&:count),
}
}
end
private
def user_ids
@user_ids ||= User.where(uname: users_or_groups).pluck(:id)
end
def group_ids
@group_ids ||= Group.where(uname: users_or_groups).pluck(:id)
end
def scope
@scope ||= Statistic.for_period(range_start, range_end).
for_users(user_ids).for_groups(group_ids).
select("SUM(counter) as count, date_trunc('#{ unit }', activity_at) as activity_at").
group("date_trunc('#{ unit }', activity_at)").order('activity_at')
end
def build_lists_started
@build_lists_started ||= scope.build_lists_started.to_a
end
def build_lists_success
@build_lists_success ||= scope.build_lists_success.to_a
end
def build_lists_error
@build_lists_error ||= scope.build_lists_error.to_a
end
def build_lists_published
@build_lists_published ||= scope.build_lists_published.to_a
end
def prepare_collection(items)
data = []
to = range_start
while to <= range_end
from = to - 1.send(unit)
y = items.find{ |i| i.activity_at > from && i.activity_at <= to }.try(:count)
data << { x: to.strftime(format), y: y || 0 }
to += 1.send(unit)
end
data
end
def format
@format ||= unit == :hour ? '%H:%M' : '%Y-%m-%d'
end
end