app/controllers/prosperity/metrics_controller.rb in prosperity-0.0.1 vs app/controllers/prosperity/metrics_controller.rb in prosperity-0.0.2

@@ -1,9 +1,66 @@
 require_dependency "prosperity/application_controller"
 
 module Prosperity
   class MetricsController < ApplicationController
+    before_filter :get_metric, only: [:show, :data]
+
     def index
       @metrics = MetricFinder.all
     end
+
+    def show
+      respond_to do |format|
+        format.html
+        format.json do
+          render json: {
+            id: @metric.id,
+            title: @metric.title,
+            options: @metric.options.map do |k, option|
+              {key: k}
+            end,
+            extractors: @metric.extractors.map do |ext|
+              {
+                key: ext.key,
+                url: data_metric_path(id: @metric.id,
+                                      extractor: ext.key,
+                                      option: option,
+                                      period: period,
+                                      start_time: start_time,
+                                      end_time: end_time),
+
+              }
+            end
+          }
+        end
+      end
+    end
+
+    def data
+      ext_klass = Metric.extractors[params.fetch(:extractor, "interval")]
+
+      p = Prosperity::Periods::ALL.fetch(period)
+      ext = ext_klass.new(@metric, option, start_time, end_time, p)
+
+      json = {
+        data: ext.to_a,
+        key: ext.key,
+        label: ext.label,
+        start_time: start_time.iso8601,
+        period_milliseconds: p.duration * 1000
+      }
+      render json: json
+    end
+    private 
+
+    def get_metric
+      @metric = MetricFinder.find_by_name(params.fetch(:id)).new
+    rescue NameError
+      render_json_error("Could not find metric #{params.fetch(:id)}", 404)
+    end
+
+    def option
+      params.fetch(:option, 'default')
+    end
+    helper_method :option
   end
 end