FIX: anonymous mode don't work when names are required

app/services/anonymous_shadow_creator.rb

@@ -2,18 +2,17 @@ class AnonymousShadowCreator
 
   def self.get_master(user)
     return unless user
-    return if !SiteSetting.allow_anonymous_posting
+    return unless SiteSetting.allow_anonymous_posting
 
     if (master_id = user.custom_fields["master_id"].to_i) > 0
       User.find_by(id: master_id)
     end
-
   end
 
   def self.get(user)
     return unless user
-    return if !SiteSetting.allow_anonymous_posting ||
+    return unless SiteSetting.allow_anonymous_posting
-       user.trust_level < SiteSetting.anonymous_posting_min_trust_level
+    return if user.trust_level < SiteSetting.anonymous_posting_min_trust_level
 
     if (shadow_id = user.custom_fields["shadow_id"].to_i) > 0
       shadow = User.find_by(id: shadow_id)
@@ -30,12 +29,14 @@ class AnonymousShadowCreator
   end
 
   def self.create_shadow(user)
+    username = UserNameSuggester.suggest(I18n.t(:anonymous).downcase)
+
     User.transaction do
       shadow = User.create!(
         password: SecureRandom.hex,
         email: "#{SecureRandom.hex}@anon.#{Discourse.current_hostname}",
-        name: "",
+        name: username, # prevents error when names are required
-        username: UserNameSuggester.suggest(I18n.t(:anonymous).downcase),
+        username: username,
         active: true,
         trust_level: 1,
         trust_level_locked: true,
@@ -44,27 +45,19 @@ class AnonymousShadowCreator
         created_at: 1.day.ago # bypass new user restrictions
       )
 
-      shadow.email_tokens.update_all  confirmed: true
+      shadow.email_tokens.update_all(confirmed: true)
       shadow.activate
 
-
       # can not hold dupes
-      UserCustomField.where(user_id: user.id,
+      UserCustomField.where(user_id: user.id, name: "shadow_id").destroy_all
-                            name: "shadow_id").destroy_all
 
-      UserCustomField.create!(user_id: user.id,
+      UserCustomField.create!(user_id: user.id, name: "shadow_id", value: shadow.id)
-                              name: "shadow_id",
+      UserCustomField.create!(user_id: shadow.id, name: "master_id", value: user.id)
-                              value: shadow.id)
-
-      UserCustomField.create!(user_id: shadow.id,
-                              name: "master_id",
-                              value: user.id)
 
       shadow.reload
       user.reload
 
       shadow
-
     end
   end
 end

spec/services/anonymous_shadow_creator_spec.rb

@@ -6,16 +6,19 @@ describe AnonymousShadowCreator do
     expect(AnonymousShadowCreator.get(Fabricate.build(:user))).to eq(nil)
   end
 
+  context "Anonymous posting is enabled" do
+
+    before { SiteSetting.allow_anonymous_posting = true }
+
+    let(:user) { Fabricate(:user, trust_level: 3) }
+
     it "returns no shadow if trust level is not met" do
-    SiteSetting.allow_anonymous_posting = true
       expect(AnonymousShadowCreator.get(Fabricate.build(:user, trust_level: 0))).to eq(nil)
     end
 
     it "returns a new shadow once time expires" do
-    SiteSetting.allow_anonymous_posting = true
       SiteSetting.anonymous_account_duration_minutes = 1
 
-    user = Fabricate(:user, trust_level: 3)
       shadow = AnonymousShadowCreator.get(user)
 
       freeze_time 2.minutes.from_now
@@ -32,9 +35,6 @@ describe AnonymousShadowCreator do
     end
 
     it "returns a shadow for a legit user" do
-    SiteSetting.allow_anonymous_posting = true
-    user = Fabricate(:user, trust_level: 3)
-
       shadow = AnonymousShadowCreator.get(user)
       shadow2 = AnonymousShadowCreator.get(user)
 
@@ -54,4 +54,12 @@ describe AnonymousShadowCreator do
       expect(shadow.anonymous?).to eq(true)
     end
 
+    it "works even when names are required" do
+      SiteSetting.full_name_required = true
+
+      expect { AnonymousShadowCreator.get(user) }.to_not raise_error
+    end
+
+  end
+
 end