FIX: Autocorrect values for dropdown imported user fields (#12572)

When bulk inviting, the uploaded CSV file may contain wrong values for
the user fields. This tries to automatically correct them by finding
the most similar option (by ignoring the case).

app/jobs/regular/bulk_invite.rb

@@ -93,8 +93,15 @@ module Jobs
       user_fields = {}
 
       fields.each do |key, value|
-        @user_fields[key] ||= UserField.where('name ILIKE ?', key).pluck_first(:id) || :nil
-        user_fields[@user_fields[key]] = value if @user_fields[key] != :nil
+        @user_fields[key] ||= UserField.includes(:user_field_options).where('name ILIKE ?', key).first || :nil
+        next if @user_fields[key] == :nil
+
+        # Automatically correct user field value
+        if @user_fields[key].field_type == "dropdown"
+          value = @user_fields[key].user_field_options.find { |ufo| ufo.value.casecmp?(value) }&.value
+        end
+
+        user_fields[@user_fields[key].id] = value
       end
 
       user_fields

spec/jobs/bulk_invite_spec.rb

@@ -83,12 +83,17 @@ describe Jobs::BulkInvite do
 
     it 'can create staged users and prepulate user fields' do
       user_field = Fabricate(:user_field, name: "Location")
+      user_field_color = Fabricate(:user_field, field_type: "dropdown", name: "Color")
+      user_field_color.user_field_options.create!(value: "Red")
+      user_field_color.user_field_options.create!(value: "Green")
+      user_field_color.user_field_options.create!(value: "Blue")
+
       described_class.new.execute(
         current_user_id: admin.id,
         invites: [
           { email: 'test@discourse.org' }, # new user without user fields
-          { email: user.email, location: 'value 1' }, # existing user with user fields
-          { email: staged_user.email, location: 'value 2' }, # existing staged user with user fields
+          { email: user.email, location: 'value 1', color: 'blue' }, # existing user with user fields
+          { email: staged_user.email, location: 'value 2', color: 'redd' }, # existing staged user with user fields
           { email: 'test2@discourse.org', location: 'value 3' } # new staged user with user fields
         ]
       )
@@ -96,7 +101,9 @@ describe Jobs::BulkInvite do
       expect(Invite.count).to eq(3)
       expect(User.where(staged: true).find_by_email('test@discourse.org')).to eq(nil)
       expect(user.user_fields[user_field.id.to_s]).to eq('value 1')
+      expect(user.user_fields[user_field_color.id.to_s]).to eq('Blue')
       expect(staged_user.user_fields[user_field.id.to_s]).to eq('value 2')
+      expect(staged_user.user_fields[user_field_color.id.to_s]).to eq(nil)
       new_staged_user = User.where(staged: true).find_by_email('test2@discourse.org')
       expect(new_staged_user.user_fields[user_field.id.to_s]).to eq('value 3')
     end