not displaying usage in doi view

Author: kjgarza

app.rb

@@ -180,6 +180,8 @@
   unless request.is_crawler?
     events  = get_events('page[size]' => 1, 'page[number]' => @page, 'doi' => doi, 'sort' => 'relation_type_id')
     @work[:metrics] = reduce_aggs(events[:meta], { yop: @work.dig(:data, "attributes","published").to_i })
+    @work[:metrics].merge!("unique-dataset-investigations-regular" => (events[:meta].fetch('doisUsageTypes', []).first.fetch("relationTypes",[]).find { |x| x['id'] == "unique-dataset-investigations-regular" }.fetch("sum",0))) 
+    @work[:metrics].merge!("unique-dataset-requests-regular" => (events[:meta].fetch('doisUsageTypes', []).first.fetch("relationTypes",[]).find { |x| x['id'] == "unique-dataset-requests-regular" }.fetch("sum",0)))
     @work[:metrics].merge!(citations: (events[:meta].fetch('uniqueCitations', []).find { |x| x['id'] == doi } || {}))
     @work[:metrics].merge!(citations_histogram: events[:meta].fetch('citationsHistogram', {}))
     @work[:metrics].merge!(views_histogram: events[:meta].fetch('viewsHistogram', {}))

views/works/item.haml

@@ -5,8 +5,8 @@
 - sources = Array.wrap(@works[:meta].to_h.fetch("sources", nil))
 - new_params = params[:model] == "works" && params["id"] == attributes.fetch("doi", nil) ? params.merge(external_link: true) : params
 - title = attributes["title"].to_s.gsub(/"/, '\"')
-- views = metrics.to_h.fetch("unique-dataset-investigations-regular", 0) 
-- downloads = metrics.to_h.fetch("unique-dataset-requests-regular", 0) 
+- views = metrics.to_h.fetch("unique-dataset-investigations-regular", 0).to_i  
+- downloads = metrics.to_h.fetch("unique-dataset-requests-regular", 0).to_i 
 - citations = metrics.to_h.dig(:citations, "count").to_i 
 - references = metrics.to_h.dig(:references, "count").to_i 
 - relations = metrics.to_h.dig(:relations, "count").to_i