Resend confirmation instructions (#1267)

* resend confirmation instructions

* refactor resend confirmation instructions

* fix find_by for mongoid

Author: bettysteger

app/controllers/devise_token_auth/confirmations_controller.rb

@@ -2,6 +2,7 @@
 
 module DeviseTokenAuth
   class ConfirmationsController < DeviseTokenAuth::ApplicationController
+
     def show
       @resource = resource_class.confirm_by_token(params[:confirmation_token])
 
@@ -10,9 +11,6 @@ def show
 
         redirect_header_options = { account_confirmation_success: true }
 
-        # give redirect value from params priority or fall back to default value if provided
-        redirect_url = params[:redirect_url] || DeviseTokenAuth.default_confirm_success_url
-
         if signed_in?(resource_name)
           client_id, token = signed_in_resource.create_token
 
@@ -30,5 +28,31 @@ def show
         raise ActionController::RoutingError, 'Not Found'
       end
     end
+
+    def create
+      return head :bad_request if params[:email].blank?
+
+      @resource = resource_class.dta_find_by(uid: params[:email].downcase, provider: provider)
+
+      return head :not_found unless @resource
+
+      @resource.send_confirmation_instructions({
+        redirect_url: redirect_url,
+        client_config: params[:config_name]
+      })
+
+      head :ok
+    end
+
+    private
+
+    # give redirect value from params priority or fall back to default value if provided
+    def redirect_url
+      params.fetch(
+        :redirect_url,
+        DeviseTokenAuth.default_confirm_success_url
+      )
+    end
+
   end
 end

test/controllers/devise_token_auth/confirmations_controller_test.rb

@@ -86,6 +86,33 @@ def token_and_client_config_from(body)
             assert response.body.include?('account_confirmation_success')
           end
         end
+
+        describe 'resend confirmation' do
+          before do
+            post :create,
+                params: { email: @new_user.email,
+                          redirect_url: @redirect_url },
+                xhr: true
+            @resource = assigns(:resource)
+
+            @mail = ActionMailer::Base.deliveries.last
+            @token, @client_config = token_and_client_config_from(@mail.body)
+          end
+
+          test 'user should not be confirmed' do
+            assert_nil @resource.confirmed_at
+          end
+
+          test 'should generate raw token' do
+            assert @token
+            assert_equal @new_user.confirmation_token, @token
+          end
+
+          test 'user should receive confirmation email' do
+            assert_equal @resource.email, @mail['to'].to_s
+          end
+
+        end
       end
 
       describe 'failure' do
@@ -96,6 +123,18 @@ def token_and_client_config_from(body)
           @resource = assigns(:resource)
           refute @resource.confirmed?
         end
+
+        test 'bad request on resend confirmation' do
+          post :create, params: { email: nil }, xhr: true
+
+          assert_equal 400, response.status
+        end
+
+        test 'user should not be found on resend confirmation request' do
+          post :create, params: { email: 'bogus' }, xhr: true
+
+          assert_equal 404, response.status
+        end
       end
     end