FIX: return user matching guest_email if exists

lib/custom_wizard/action.rb

@@ -381,7 +381,7 @@ class CustomWizard::Action
 
     group_map = group_map.flatten.compact
 
-    unless group_map.present?
+    if group_map.blank?
       log_error("invalid group map")
       return
     end
@@ -415,7 +415,7 @@ class CustomWizard::Action
   end
 
   def route_to
-    return unless (url_input = action['url']).present?
+    return if (url_input = action['url']).blank?
 
     if url_input.is_a?(String)
       url = mapper.interpolate(url_input)
@@ -510,7 +510,7 @@ class CustomWizard::Action
       user: user
     ).perform
 
-    return false unless output.present?
+    return false if output.blank?
 
     if output.is_a?(Array)
       output.first
@@ -528,7 +528,7 @@ class CustomWizard::Action
       user: user,
     ).perform
 
-    return false unless output.present?
+    return false if output.blank?
 
     if output.is_a?(Array)
       output.flatten
@@ -682,12 +682,16 @@ class CustomWizard::Action
       ).perform
 
       if email&.match(/@/)
-        User.create!(
-          email: email,
-          username: UserNameSuggester.suggest(email),
-          name: User.suggest_name(email),
-          staged: true,
-        )
+        if user = User.find_by_email(email)
+          user
+        else
+          User.create!(
+            email: email,
+            username: UserNameSuggester.suggest(email),
+            name: User.suggest_name(email),
+            staged: true,
+          )
+        end
       end
     end
   end

plugin.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 # name: discourse-custom-wizard
 # about: Forms for Discourse. Better onboarding, structured posting, data enrichment, automated actions and much more.
-# version: 2.8.1
+# version: 2.8.2
 # authors: Angus McLeod, Faizaan Gagan, Robert Barrow, Keegan George, Kaitlin Maddever, Juan Marcos Gutierrez Ramos
 # url: https://github.com/paviliondev/discourse-custom-wizard
 # contact_emails: development@pavilion.tech

spec/components/custom_wizard/action_spec.rb

@@ -5,7 +5,7 @@ describe CustomWizard::Action do
   fab!(:user1) { Fabricate(:user, name: "Angus One", username: 'angus1', email: "angus_one@email.com", trust_level: TrustLevel[2]) }
   fab!(:category) { Fabricate(:category, name: 'cat1', slug: 'cat-slug') }
   fab!(:tag) { Fabricate(:tag, name: 'tag1') }
-  fab!(:group) { Fabricate(:group) }
+  fab!(:group)
 
   let(:wizard_template) { get_wizard_fixture("wizard") }
   let(:open_composer) { get_wizard_fixture("actions/open_composer") }
@@ -373,7 +373,7 @@ describe CustomWizard::Action do
 
     context "with a guest" do
       describe "#create_topic" do
-        it "creates a staged guest poster if guest_email is set" do
+        before do
           Jobs.run_immediately!
 
           wizard_template["permitted"] = guests_permitted["permitted"]
@@ -404,7 +404,9 @@ describe CustomWizard::Action do
           wizard_template[:actions] = [create_topic]
 
           update_template(wizard_template)
+        end
 
+        it "creates a staged guest poster if guest_email is set" do
           wizard = CustomWizard::Builder.new(
             @template[:id],
             nil,
@@ -424,6 +426,29 @@ describe CustomWizard::Action do
           expect(topic.posts.first.user.staged).to eq(true)
           expect(topic.posts.first.user.primary_email.email).to eq('guest@email.com')
         end
+
+        it "returns an existing user with the same email" do
+          existing = Fabricate(:user, email: 'guest@email.com')
+
+          wizard = CustomWizard::Builder.new(
+            @template[:id],
+            nil,
+            CustomWizard::Wizard.generate_guest_id
+          ).build
+          wizard.create_updater(
+            wizard.steps.first.id,
+            step_1_field_5: "guest@email.com"
+          ).update
+          wizard.create_updater(wizard.steps.second.id, {}).update
+          wizard.create_updater(wizard.steps.last.id,
+            step_3_field_3: category.id
+          ).update
+
+          topic = Topic.where(category_id: category.id).first
+          expect(topic.present?).to eq(true)
+          expect(topic.posts.first.user.staged).to eq(false)
+          expect(topic.posts.first.user.primary_email.email).to eq('guest@email.com')
+        end
       end
 
       describe "#send_message" do