use addressable gem to encode uri params to get ruby 3 ready

Author: stevereinke

Gemfile

@@ -1,5 +1,6 @@
 source "https://rubygems.org"
 
+gem "addressable"
 gem "httparty"
 gem "json"
 

Gemfile.lock

@@ -1,6 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     fakeweb (1.3.0)
     httparty (0.21.0)
       mini_mime (>= 1.0.0)
@@ -9,12 +11,14 @@ GEM
     mini_mime (1.1.2)
     minitest (5.17.0)
     multi_xml (0.6.0)
+    public_suffix (5.0.1)
     rake (13.0.6)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  addressable
   fakeweb
   httparty
   json

lib/woocommerce_api.rb

@@ -1,3 +1,4 @@
+require "addressable/uri"
 require "httparty"
 require "json"
 
@@ -97,7 +98,7 @@ def add_query_params endpoint, data
 
       endpoint += "?" unless endpoint.include? "?"
       endpoint += "&" unless endpoint.end_with? "?"
-      endpoint + URI.encode(flatten_hash(data).join("&"))
+      endpoint + Addressable::URI.encode(flatten_hash(data).join("&"))
     end
 
     # Internal: Get URL for requests