don't support alternate_identifiers internally

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    bolognese (1.7.1)
+    bolognese (1.7.2)
       activesupport (>= 4.2.5)
       benchmark_methods (~> 0.7)
       bibtex-ruby (>= 5.1.0)
@@ -14,7 +14,7 @@ PATH
       faraday (~> 0.17.3)
       gender_detector (~> 0.1.2)
       iso8601 (~> 0.9.1)
-      json-ld (~> 3.1, >= 3.1.4)
+      json-ld-preloaded (~> 3.1, >= 3.1.3)
       jsonlint (~> 0.3.0)
       loofah (~> 2.0, >= 2.0.3)
       maremma (>= 4.7, < 5)
@@ -90,6 +90,9 @@ GEM
       multi_json (~> 1.14)
       rack (~> 2.0)
       rdf (~> 3.1)
+    json-ld-preloaded (3.1.3)
+      json-ld (~> 3.1)
+      rdf (~> 3.1)
     jsonlint (0.3.0)
       oj (~> 3)
       optimist (~> 3)

bolognese.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'csl-styles', '~> 1.0', '>= 1.0.1.10'
   s.add_dependency 'iso8601', '~> 0.9.1'
   s.add_dependency 'postrank-uri', '~> 1.0', '>= 1.0.18'
-  s.add_dependency 'json-ld', '~> 3.1', '>= 3.1.4'
+  s.add_dependency 'json-ld-preloaded', '~> 3.1', '>= 3.1.3'
   s.add_dependency 'jsonlint', '~> 0.3.0'
   s.add_dependency 'oj', '~> 3.10'
   s.add_dependency "oj_mimic_json", "~> 1.0", ">= 1.0.1"

lib/bolognese/metadata.rb

@@ -8,7 +8,7 @@ class Metadata
 
     attr_accessor :string, :from, :sandbox, :meta, :regenerate, :issue, :show_errors
     attr_reader :doc, :page_start, :page_end
-    attr_writer :id, :provider_id, :client_id, :doi, :identifiers, :alternate_identifiers, :creators, :contributors, :titles, :publisher, 
+    attr_writer :id, :provider_id, :client_id, :doi, :identifiers, :creators, :contributors, :titles, :publisher, 
                 :rights_list, :dates, :publication_year, :volume, :url, :version_info,
                 :subjects, :contributor, :descriptions, :language, :sizes,
                 :formats, :schema_version, :meta, :container, :agency,
@@ -99,7 +99,6 @@ def initialize(input: nil, from: nil, **options)
         :titles,
         :types,
         :identifiers,
-        :alternate_identifiers,
         :container,
         :publisher,
         :funding_references,
@@ -216,11 +215,7 @@ def publisher
     end
 
     def identifiers
-      @identifiers ||= Array.wrap(@alternate_identifiers).map { |a| { "identifierType" => a["alternateIdentifierType"], "identifier" => a["alternateIdentifier"] } }.presence || meta.fetch("identifiers", nil)
-      # (Array.wrap(@identifiers) +
-      # Array.wrap(@alternate_identifiers).select { |r| r["alternateIdentifierType"] != "DOI" }.map do |a|
-      #   { "identifierType" => a["alternateIdentifierType"], "identifier" => a["alternateIdentifier"] }
-      # end).uniq ||= meta.fetch("identifiers", nil)
+      @identifiers ||= meta.fetch("identifiers", nil)
     end
 
     def content_url

lib/bolognese/version.rb

@@ -1,3 +1,3 @@
 module Bolognese
-  VERSION = "1.7.1"
+  VERSION = "1.7.2"
 end

spec/writers/datacite_writer_spec.rb

@@ -382,6 +382,17 @@
       expect(subject.state).to eq("registered")
     end
 
+    it "change identifiers" do
+      input = "10.7554/eLife.01567"
+      subject = Bolognese::Metadata.new(input: input, from: "crossref")
+      expect(subject.valid?).to be true
+      expect(subject.identifiers).to eq( [{"identifier"=>"e01567", "identifierType"=>"Publisher ID"}])
+      subject.identifiers = [{ "identifierType" => "Publisher ID", "identifier" => "abc" }]
+      datacite = Maremma.from_xml(subject.datacite).fetch("resource", {})
+      expect(datacite.dig("identifier", "__content__")).to eq("10.7554/elife.01567")
+      expect(subject.identifiers).to eq([{"identifier"=>"abc", "identifierType"=>"Publisher ID"}])
+    end
+
     it "validates against schema" do
       input = "10.7554/eLife.01567"
       subject = Bolognese::Metadata.new(input: input, from: "crossref")