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Contents
# frozen_string_literal: true
module Renalware
class Admin::PlaygroundsController < BaseController
def show
authorize User, :index?
render locals: { form: ChartForm.new(obx_code: "CRE", period: "all") }
end
# Returns test json to display a chart of one obx code over time for a patient
def pathology_chart_data
authorize User, :index?
form = ChartForm.new(chart_params)
chart = Chart.new(form)
render json: chart.json
end
class ChartForm
include ActiveModel::Model
include Virtus::Model
attribute :patient_id, Integer
attribute :obx_code, String
attribute :period, String
# Map a period string to a date, eg 6m = 6 months ago
def start_date
time = case period
when "yr" then 1.year.ago
when "6m" then 6.months.ago
when "3m" then 3.months.ago
when "1m" then 1.month.ago
when "1wk" then 1.week.ago
else 100.years.ago
end
time.to_date.to_s
end
end
def chart_params
return {} unless params.key?(:chart)
params.require(:chart).permit!
end
class Chart
pattr_initialize :form
def json
return {} if form.patient_id.blank?
ActiveRecord::Base.connection.execute(
Arel.sql(<<-SQL)
select
observed_on as x,
result as y
from renalware.pathology_chart_data(#{form.patient_id},
'#{form.obx_code}',
'#{form.start_date}')
SQL
).to_a.each_with_object({}) { |h, hash| hash[Date.parse(h["x"])] = h["y"] }
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems