Set date_issued to unknown/unknown if not a valid EDTF date

Gemfile

@@ -17,6 +17,7 @@ source 'https://rubygems.org'
 
 # :default group gems
 gem 'dotenv'
+gem 'edtf'
 gem 'nokogiri'
 gem 'rake'
 gem 'rest-client'

Gemfile.lock

@@ -50,6 +50,8 @@ GEM
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     dotenv (2.7.5)
+    edtf (3.0.8)
+      activesupport (>= 3.0, < 8.0)
     hashdiff (1.0.1)
     highline (2.0.3)
     http-accept (1.7.0)
@@ -174,6 +176,7 @@ DEPENDENCIES
   capybara
   coveralls
   dotenv
+  edtf
   highline
   mysql2
   nokogiri
@@ -191,4 +194,4 @@ DEPENDENCIES
   whenever
 
 BUNDLED WITH
-   2.0.2
+   2.3.6

lib/objects.rb

@@ -18,6 +18,7 @@
 require 'nokogiri'
 require 'restclient'
 require 'date'
+require 'edtf'
 
 # Class for creating and working with media objects
 class Objects
@@ -506,7 +507,9 @@ def get_fields_from_mods(object)
     # TODO: Stick me in a block
     begin
       fields[:date_issued] = mods.xpath("//mods[1]/originInfo/dateIssued[@encoding='marc']")[0].text
-      fields[:date_issued] = 'unknown/unknown' if fields[:date_issued] == '' || fields[:date_issued] == 'uuuu'
+      # Attempt EDTF parsing just like avalon will do to avoid 422 Unprocessable Entity errors due to non-compliant dates
+      edtf_date = Date.edtf(fields[:date_issued])
+      fields[:date_issued] = 'unknown/unknown' if edtf_date.nil? || edtf_date.class == EDTF::Unknown
     rescue
       fields[:date_issued] = 'unknown/unknown'
     end

spec/lib/objects_spec.rb

@@ -499,6 +499,12 @@
           expect(fields.keys.include? :creator).to be_truthy
           expect(fields[:creator]).to eq 'Unknown'
         end
+        it 'should parse to "unknown/unknown" if date_issued is invalid EDTF' do
+          @object = Objects.new(posted_content: load_sample_obj(filename: 'GR00063679.txt')).parse_request_body
+          fields = @media_object.get_fields_from_mods(@object)
+          expect(fields.keys.include? :date_issued).to be_truthy
+          expect(fields[:date_issued]).to eq 'unknown/unknown'
+        end
 
         context 'when mods is nested in a modscollection' do
           it 'should have a bibliographic id if provided' do