debian-mirror-gitlab/app/finders/events_finder.rb
2019-02-13 22:33:31 +05:30

115 lines
3 KiB
Ruby

# frozen_string_literal: true
class EventsFinder
prepend FinderMethods
prepend FinderWithCrossProjectAccess
MAX_PER_PAGE = 100
attr_reader :source, :params, :current_user
requires_cross_project_access unless: -> { source.is_a?(Project) }, model: Event
# Used to filter Events
#
# Arguments:
# source - which user or project to looks for events on
# current_user - only return events for projects visible to this user
# params:
# action: string
# target_type: string
# before: datetime
# after: datetime
# per_page: integer (max. 100)
# page: integer
# with_associations: boolean
# sort: 'asc' or 'desc'
def initialize(params = {})
@source = params.delete(:source)
@current_user = params.delete(:current_user)
@params = params
end
def execute
events = source.events
events = by_current_user_access(events)
events = by_action(events)
events = by_target_type(events)
events = by_created_at_before(events)
events = by_created_at_after(events)
events = sort(events)
events = events.with_associations if params[:with_associations]
paginated_filtered_by_user_visibility(events)
end
private
# rubocop: disable CodeReuse/ActiveRecord
def by_current_user_access(events)
events.merge(Project.public_or_visible_to_user(current_user))
.joins(:project)
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def by_action(events)
return events unless Event::ACTIONS[params[:action]]
events.where(action: Event::ACTIONS[params[:action]])
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def by_target_type(events)
return events unless Event::TARGET_TYPES[params[:target_type]]
events.where(target_type: Event::TARGET_TYPES[params[:target_type]].name)
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def by_created_at_before(events)
return events unless params[:before]
events.where('events.created_at < ?', params[:before].beginning_of_day)
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def by_created_at_after(events)
return events unless params[:after]
events.where('events.created_at > ?', params[:after].end_of_day)
end
# rubocop: enable CodeReuse/ActiveRecord
def sort(events)
return events unless params[:sort]
if params[:sort] == 'asc'
events.order_id_asc
else
events.order_id_desc
end
end
def paginated_filtered_by_user_visibility(events)
limited_events = events.page(page).per(per_page)
visible_events = limited_events.select { |event| event.visible_to_user?(current_user) }
Kaminari.paginate_array(visible_events, total_count: events.count)
end
def per_page
return MAX_PER_PAGE unless params[:per_page]
[params[:per_page], MAX_PER_PAGE].min
end
def page
params[:page] || 1
end
end