API: fix missing page parameter to integer conversion

app/views/api/openid_connect/authorizations/new.html.haml

@@ -9,6 +9,6 @@
             = submit_tag t(".deny"), class: "btn btn-danger"
             = hidden_field_tag :approve, false
 
-          = form_tag api_openid_connect_authorizations_path, class: "approval-button"do
+          = form_tag api_openid_connect_authorizations_path, class: "approval-button" do
             = submit_tag t(".approve"),  class: "btn btn-primary"
             = hidden_field_tag :approve, true

lib/api/paging/rest_paginator_builder.rb

@@ -40,7 +40,7 @@ module Api
 
       def current_page_settings(params)
         if params["page"]
-          requested_page = params["page"]
+          requested_page = params["page"].to_i
           requested_page = 1 if requested_page < 1
           requested_page
         elsif @allow_default_page
@@ -71,7 +71,7 @@ module Api
       end
 
       def limit_settings(params)
-        requested_limit = params["per_page"]
+        requested_limit = params["per_page"].to_i if params["per_page"]
         return @default_limit unless requested_limit
 
         requested_limit = [1, requested_limit].max

spec/lib/api/paging/rest_paginator_builder_spec.rb

@@ -2,7 +2,7 @@
 
 describe Api::Paging::RestPaginatorBuilder do
   it "generates page response builder called with index-based pager" do
-    params = ActionController::Parameters.new(page: 1)
+    params = ActionController::Parameters.new(page: "1", per_page: "20")
     pager = Api::Paging::RestPaginatorBuilder.new(alice.posts, nil).index_pager(params)
     expect(pager.is_a?(Api::Paging::RestPagedResponseBuilder)).to be_truthy
   end