Add initial version of PaN search API checking script

scripts/check_search_api.rb

+# check_search_api.rb
+
+require 'httparty'
+require 'yaml'
+require 'json'
+
+def check_search_api_endpoint(endpoint_url)
+    queryIdentify_url = endpoint_url + "/datasets/count"
+    begin
+        response = HTTParty.get(queryIdentify_url)
+        if response.body.nil? || response.body.empty?
+            puts "Endpoint returned an empty body."
+            return "Error"
+        end
+
+        response_json = JSON.parse(response.body)
+        count = response_json["count"]
+        if count.nil?
+            puts "Response missing dataset count."
+            return "Error"
+        end
+
+        puts "Endpoint is functional: reported #{count} datasets."
+        return "Active"
+    rescue StandardError => e
+        puts "Error occurred while accessing endpoint: #{e.message}"
+        return "Error"
+    rescue JSON::JSONError => e
+        puts "Failed to parse JSON response: #{e.message}"
+        return "Error"
+    end
+end
+
+up_to_date = true
+facilities = YAML.safe_load(File.read('_data/facilities.yml'), permitted_classes: [Date])
+
+facilities.each do |facility|
+    odr = facility['odr']
+    if odr && odr.key?('pan-search-api')
+        endpoint = odr['pan-search-api']['link']
+        if endpoint
+            expected_status = odr['pan-search-api']['status']
+            puts "Checking PaN Search API endpoint for #{facility['short-name']}: #{endpoint}"
+            endpoint_status = check_search_api_endpoint(endpoint)
+            status_match = expected_status == endpoint_status
+            puts "Error: Expected status '#{expected_status}' for #{facility['short-name']} PaN Search API endpoint, but found status '#{endpoint_status}'." unless status_match
+            up_to_date &= status_match
+        end
+    end
+end
+
+exit(1) unless up_to_date