Fix featured tags not saving preferred casing (#19732)

app/models/featured_tag.rb

@@ -10,13 +10,16 @@
 #  last_status_at :datetime
 #  created_at     :datetime         not null
 #  updated_at     :datetime         not null
+#  name           :string
 #
 
 class FeaturedTag < ApplicationRecord
   belongs_to :account, inverse_of: :featured_tags
   belongs_to :tag, inverse_of: :featured_tags, optional: true # Set after validation
 
-  validate :validate_tag_name, on: :create
+  validates :name, presence: true, format: { with: /\A(#{Tag::HASHTAG_NAME_RE})\z/i }, on: :create
+
+  validate :validate_tag_uniqueness, on: :create
   validate :validate_featured_tags_limit, on: :create
 
   before_validation :strip_name
@@ -26,18 +29,14 @@ class FeaturedTag < ApplicationRecord
 
   scope :by_name, ->(name) { joins(:tag).where(tag: { name: HashtagNormalizer.new.normalize(name) }) }
 
-  delegate :display_name, to: :tag
-
-  attr_writer :name
-
   LIMIT = 10
 
   def sign?
     true
   end
 
-  def name
-    tag_id.present? ? tag.name : @name
+  def display_name
+    attributes['name'] || tag.display_name
   end
 
   def increment(timestamp)
@@ -51,13 +50,11 @@ class FeaturedTag < ApplicationRecord
   private
 
   def strip_name
-    return unless defined?(@name)
-
-    @name = @name&.strip&.gsub(/\A#/, '')
+    self.name = name&.strip&.gsub(/\A#/, '')
   end
 
   def set_tag
-    self.tag = Tag.find_or_create_by_names(@name)&.first
+    self.tag = Tag.find_or_create_by_names(name)&.first
   end
 
   def reset_data
@@ -69,9 +66,7 @@ class FeaturedTag < ApplicationRecord
     errors.add(:base, I18n.t('featured_tags.errors.limit')) if account.featured_tags.count >= LIMIT
   end
 
-  def validate_tag_name
-    errors.add(:name, :blank) if @name.blank?
-    errors.add(:name, :invalid) unless @name.match?(/\A(#{Tag::HASHTAG_NAME_RE})\z/i)
-    errors.add(:name, :taken) if FeaturedTag.by_name(@name).where(account_id: account_id).exists?
+  def validate_tag_uniqueness
+    errors.add(:name, :taken) if FeaturedTag.by_name(name).where(account_id: account_id).exists?
   end
 end

config/locales/simple_form.en.yml

@@ -67,7 +67,7 @@ en:
         domain: This can be the domain name that shows up in the e-mail address or the MX record it uses. They will be checked upon sign-up.
         with_dns_records: An attempt to resolve the given domain's DNS records will be made and the results will also be blocked
       featured_tag:
-        name: 'You might want to use one of these:'
+        name: 'Here are some of the hashtags you used the most recently:'
       filters:
         action: Chose which action to perform when a post matches the filter
         actions:

db/migrate/20221104133904_add_name_to_featured_tags.rb

@@ -0,0 +1,5 @@
+class AddNameToFeaturedTags < ActiveRecord::Migration[6.1]
+  def change
+    add_column :featured_tags, :name, :string
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_11_01_190723) do
+ActiveRecord::Schema.define(version: 2022_11_04_133904) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -442,6 +442,7 @@ ActiveRecord::Schema.define(version: 2022_11_01_190723) do
     t.datetime "last_status_at"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.string "name"
     t.index ["account_id", "tag_id"], name: "index_featured_tags_on_account_id_and_tag_id", unique: true
     t.index ["tag_id"], name: "index_featured_tags_on_tag_id"
   end