add reports to detect existence of cocina property in dros and collections

app/reports/property_existence_collections.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+# Report collection objects with occurences of a property.
+
+# Invoke via:
+# bin/rails r -e production "PropertyExistenceCollections.report"
+class PropertyExistenceCollections
+  # 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 $.**.groupedValue ? (@.size() > 0)' # when property is array
+  # JSONB_PATH = 'strict $.**.contributor.type' # when property is a string - maybe keep size check to avoid empty values
+  SQL = <<~SQL.squish.freeze
+    SELECT external_identifier as collection_druid,
+           jsonb_path_query(identification, '$.catalogLinks[*] ? (@.catalog == "symphony").catalogRecordId') ->> 0 as catkey
+           FROM "collections" WHERE
+           jsonb_path_exists(collections.description, '#{JSONB_PATH}')
+  SQL
+
+  def self.report
+    puts "collection_druid,catkey,collection_name\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_druid = row['collection_druid']
+      collection_name = Collection.find_by(external_identifier: collection_druid)&.label
+
+      [
+        collection_druid,
+        row['catkey'],
+        "\"#{collection_name}\""
+      ].join(',')
+    end
+  end
+end

app/reports/property_existence_dros.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+# Report dro objects with occurences of a property.
+
+# Invoke via:
+# bin/rails r -e production "PropertyExistenceDros.report"
+class PropertyExistenceDros
+  # 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 $.**.contributor.parallelContributor ? (@.size() > 0)' # when property is array
+  # JSONB_PATH = 'strict $.**.contributor.type' # when property is a string - maybe keep size check to avoid empty values
+  SQL = <<~SQL.squish.freeze
+    SELECT external_identifier as item_druid,
+           jsonb_path_query(identification, '$.catalogLinks[*] ? (@.catalog == "symphony").catalogRecordId') ->> 0 as catkey,
+           jsonb_path_query(structural, '$.isMemberOf') ->> 0 as collection_id
+           FROM "dros" WHERE
+           jsonb_path_exists(dros.description, '#{JSONB_PATH}')
+  SQL
+
+  def self.report
+    puts "item_druid,catkey,collection_druid,collection_name\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_druid = row['collection_id']
+      collection_name = Collection.find_by(external_identifier: collection_druid)&.label
+
+      [
+        row['item_druid'],
+        row['catkey'],
+        collection_druid,
+        "\"#{collection_name}\""
+      ].join(',')
+    end
+  end
+end