add ror statistics by year. #660

app/graphql/schema.graphql

@@ -6403,6 +6403,7 @@ type OrganizationConnectionWithTotal {
   personConnectionCount: Int!
   totalCount: Int!
   types: [Facet!]
+  years: [Facet!]
 }
 
 """

app/graphql/types/organization_connection_with_total_type.rb

@@ -4,11 +4,30 @@ class OrganizationConnectionWithTotalType < BaseConnection
   edge_type(OrganizationEdgeType)
   field_class GraphQL::Cache::Field
 
+  # data from GRID taken on Oct 18, 2020 https://grid.ac/downloads
+  # using latest release in any given year, starting with end of 2017,
+  # right before ROR was launched in January 2018
+  YEARS = [
+    { "id" => "2017", "title" => "2017", "count" => 80248 },
+    { "id" => "2018", "title" => "2018", "count" => 11392 },
+    { "id" => "2019", "title" => "2019", "count" => 6179 },
+  ]
+
   field :total_count, Integer, null: false, cache: true
+  field :years, [FacetType], null: true, cache: true
   field :types, [FacetType], null: true, cache: true
   field :countries, [FacetType], null: true, cache: true
   field :person_connection_count, Integer, null: false, cache: true
 
+  def years
+    count = YEARS.reduce(0) do |sum, i|
+      sum += i["count"]
+      sum
+    end
+    this_year = object.total_count > count ? { "id" => "2020", "title" => "2020", "count" => object.total_count - count } : nil
+    this_year ? YEARS << this_year : YEARS
+  end
+
   def total_count
     object.total_count
   end

spec/graphql/types/organization_type_spec.rb

@@ -534,6 +534,29 @@
     end
   end
 
+  describe "query all organizations", vcr: true do
+    let(:query) do
+      %(query {
+        organizations {
+          totalCount
+          years {
+            id
+            title
+            count
+          }
+        }
+      })
+    end
+
+    it "returns organization information" do
+      response = LupoSchema.execute(query).as_json
+
+      expect(response.dig("data", "organizations", "totalCount")).to eq(98332)
+      expect(response.dig("data", "organizations", "years").first).to eq("count"=>80248, "id"=>"2017", "title"=>"2017")
+      expect(response.dig("data", "organizations", "years").last).to eq("count"=>513, "id"=>"2020", "title"=>"2020")
+    end
+  end
+
   describe "query organizations", elasticsearch: true, vcr: true do
     let!(:dois) { create_list(:doi, 3) }
     let!(:doi) { create(:doi, aasm_state: "findable", creators: