ruby.rb

params[:id].downcase!
camera = get_cam(params[:id])
if params[:from].present? and params[:to].present? and params[:from].to_i > params[:to].to_i
  raise(BadRequestError, "From can't be higher than to")
end
from = Time.at(params[:from].to_i).to_s || 0
to = Time.at(params[:to].to_i).to_s
to = Time.now.to_s if params[:to].blank?
limit = params[:limit] || DEFAULT_LIMIT
page = params[:page] || 0
page = 0 if page < 0
limit = DEFAULT_LIMIT if limit < 1
types = params[:types].split(',').map(&:strip)
results = CameraActivity.where(camera_id: camera.id).filter(:done_at => (from..to)).reverse_order(:done_at)
results = results.where(:action => types) unless types.blank?
total_pages = results.count / limit
results = results.limit(limit, page * limit).all