report: form_without_value_collections

app/reports/form_without_value_collections.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+# Report on form with no value that have source and/or type information
+
+# Invoke via:
+# bin/rails r -e production "FormWithoutValueCollections.report"
+class FormWithoutValueCollections
+  # NOTE: Prefer strict JSON querying over lax when using the `.**` operator, per
+  #       https://www.postgresql.org/docs/14/functions-json.html#STRICT-AND-LAX-MODES
+  #
+  # > The .** accessor can lead to surprising results when using the lax mode.
+  # > ... This happens because the .** accessor selects both the segments array
+  # > and each of its elements, while the .HR accessor automatically unwraps
+  # > arrays when using the lax mode. To avoid surprising results, we recommend
+  # > using the .** accessor only in the strict mode.
+  JSONB_PATH = 'strict $.**.form.**.value[*] ? (!(exists(@.value))) ? ((exists(@.type)) || (exists(@.source.code)) || (exists(@.source.value)) || (exists(@.source.uri)))'
+  SQL = <<~SQL.squish.freeze
+    SELECT collections.external_identifier as collection_druid,
+           desc_value->'value' as form_value,
+           desc_value->'type' as form_type,
+           desc_value->'source'->'code' as source_code,
+           desc_value->'source'->'value' as source_value,
+           desc_value->'source'->'uri' as source_uri,
+           jsonb_path_query(identification, '$.catalogLinks[*] ? (@.catalog == "symphony").catalogRecordId') ->> 0 as catalog_record_id
+           FROM "collections",
+           jsonb_path_query(collections.description, '#{JSONB_PATH}') desc_value
+           WHERE
+           jsonb_path_exists(collections.description, '#{JSONB_PATH}')
+  SQL
+
+  def self.report
+    puts "collection_druid,catalog_record_id,collection_name,form_value,form_type,source_code,source_value,source_uri\n"
+    rows(SQL).compact.each { |row| puts row }
+  end
+
+  def self.rows(sql_query)
+    sql_result_rows = ActiveRecord::Base.connection.execute(sql_query).to_a
+
+    sql_result_rows.map do |row|
+      collection_name = Collection.find_by(external_identifier: collection_druid)&.label
+
+      [
+        collection_druid,
+        row['catalog_record_id'],
+        "\"#{collection_name}\"",
+        row['form_value'],
+        row['form_type'],
+        row['source_code'],
+        row['source_value'],
+        row['source_uri']
+      ].join(',')
+    end
+  end
+end