Merge pull request #1180 from datacite/fix-prefix-500-bug

fix prefix 500 status error

app/models/handle.rb

@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+class Handle
+  include Searchable
+
+  attr_reader :id,
+              :prefix,
+              :registration_agency,
+              :clients,
+              :providers,
+              :created,
+              :cache_key,
+              :updated
+
+  RA_HANDLES = {
+    "10.SERV/CROSSREF" => "Crossref",
+    "10.SERV/DEFAULT" => "Crossref",
+    "10.SERV/DATACITE" => "DataCite",
+    "10.SERV/ETH" => "DataCite",
+    "10.SERV/EIDR" => "EIDR",
+    "10.SERV/KISTI" => "KISTI",
+    "10.SERV/MEDRA" => "mEDRA",
+    "10.SERV/ISTIC" => "ISTIC",
+    "10.SERV/JALC" => "JaLC",
+    "10.SERV/AIRITI" => "Airiti",
+    "10.SERV/CNKI" => "CNKI",
+    "10.SERV/OP" => "OP",
+  }.freeze
+
+  def initialize(attributes, _options = {})
+    @id = attributes.fetch("id").underscore.dasherize
+    @prefix = @id
+    @registration_agency = attributes.fetch("registration_agency", nil)
+    @updated = attributes.fetch("updated", nil)
+  end
+
+  def cache_key
+    "handles/#{id}-#{updated}"
+  end
+
+  def client_ids
+    []
+  end
+
+  def provider_ids
+    []
+  end
+
+  def self.get_query_url(options = {})
+    options[:id].present? ? "#{url}/#{options[:id]}" : url
+  end
+
+  def self.parse_data(result, options = {})
+    return nil if result.blank? || result["errors"]
+
+    if options[:id]
+      response_code = result.body.dig("data", "responseCode")
+      return nil unless response_code == 1
+
+      record =
+        result.body.fetch("data", {}).fetch("values", []).detect do |hs|
+          hs["type"] == "HS_SERV"
+        end
+
+      fail ActiveRecord::RecordNotFound if record.blank?
+
+      ra = record.dig("data", "value")
+
+      item = {
+        "id" => result.body.dig("data", "handle"),
+        "registration_agency" => RA_HANDLES[ra] || ra || "unknown",
+        "updated" => record.fetch("timestamp", nil),
+      }
+
+      parse_item(item)
+    end
+  end
+
+  def self.url
+    "https://doi.org/api/handles"
+  end
+end