lib/soapy_cake/helper.rb in soapy_cake-1.1.2 vs lib/soapy_cake/helper.rb in soapy_cake-1.2.0

@@ -1,16 +1,26 @@
 module SoapyCake
   module Helper
-    def self.walk_tree(obj, key = nil, &block)
+    def walk_tree(obj, key = nil, &block)
       return nil if obj == {}
 
       case obj
       when Hash
         obj.map { |hk, hv| [hk, walk_tree(hv, hk, &block)] }.to_h
       when Array
         obj.map { |av| walk_tree(av, &block) }
       else
         yield(obj, key)
+      end
+    end
+
+    def validate_id(opts, key)
+      fail Error, "Parameter '#{key}' must be > 0!" if opts[key].to_i < 1
+    end
+
+    def require_params(opts, params)
+      params.each do |param|
+        fail Error, "Parameter '#{param}' missing!" unless opts.key?(param)
       end
     end
   end
 end