only add non rails for some apis

Author: amaskara-dd

.generator/src/generator/templates/api.j2

@@ -207,6 +207,10 @@ module {{ module_name }}::{{ version|upper }}
         :return_type => return_type,
         :api_version => "{{ version|upper }}"
       )
+      {%- set query_multi_params = operation|parameters | map(attribute=1) | selectattr("in", "equalto", "query")| map("collection_format")| select("eq", "multi") | first-%} 
+      {%- if query_multi_params %}
+      new_options[:query_string_normalizer] = HTTParty::Request::NON_RAILS_QUERY_STRING_NORMALIZER
+      {%- endif %}
 
       data, status_code, headers = @api_client.call_api(Net::HTTP::{{ httpMethod|camel_case }}, local_var_path, new_options)
       if @api_client.config.debugging

.generator/src/generator/templates/api_client.j2

@@ -183,12 +183,12 @@ module {{ module_name }}
         :http_proxyaddr => @config.http_proxyaddr,
         :http_proxyport => @config.http_proxyport,
         :http_proxyuser => @config.http_proxyuser,
-        :http_proxypass => @config.http_proxypass,
-        :query_string_normalizer => HTTParty::Request::NON_RAILS_QUERY_STRING_NORMALIZER
+        :http_proxypass => @config.http_proxypass
       }
 
       req_opts[:pem] = File.read(@config.cert_file) if @config.cert_file
       req_opts[:pem_password] = File.read(@config.key_file) if @config.key_file
+      req_opts[:query_string_normalizer] = opts[:query_string_normalizer] if opts[:query_string_normalizer] 
 
       opts[:stream_body] = true if opts[:return_type] == 'File'