Refactor smiling answers to using reactions

app/models/answer.rb

@@ -4,7 +4,7 @@ class Answer < ApplicationRecord
   belongs_to :user
   belongs_to :question
   has_many :comments, dependent: :destroy
-  has_many :smiles, dependent: :destroy
+  has_many :smiles, class_name: "Appendable::Reaction", foreign_key: :parent_id, dependent: :destroy
   has_many :subscriptions, dependent: :destroy
   has_many :comment_smiles, through: :comments, source: :smiles
 

app/models/appendable/reaction.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 class Appendable::Reaction < Appendable
 end

app/models/user.rb

@@ -8,6 +8,7 @@ class User < ApplicationRecord
   include User::BanMethods
   include User::InboxMethods
   include User::QuestionMethods
+  include User::ReactionMethods
   include User::RelationshipMethods
   include User::TimelineMethods
   include ActiveModel::OneTimePassword
@@ -30,7 +31,7 @@ class User < ApplicationRecord
   has_many :answers, dependent: :destroy
   has_many :comments, dependent: :destroy
   has_many :inboxes, dependent: :destroy
-  has_many :smiles, dependent: :destroy
+  has_many :smiles, class_name: "Appendable::Reaction", dependent: :destroy
   has_many :comment_smiles, dependent: :destroy
   has_many :services, dependent: :destroy
   has_many :notifications, foreign_key: :recipient_id, dependent: :destroy
@@ -126,23 +127,6 @@ class User < ApplicationRecord
     question.answers.pluck(:user_id).include? self.id
   end
 
-  # smiles an answer
-  # @param answer [Answer] the answer to smile
-  def smile(answer)
-    # rubocop:disable Style/RedundantSelf
-    raise Errors::ReactingSelfBlockedOther if self.blocking?(answer.user)
-    raise Errors::ReactingOtherBlockedSelf if answer.user.blocking?(self)
-    # rubocop:enable Style/RedundantSelf
-
-    Smile.create!(user: self, answer: answer)
-  end
-
-  # unsmile an answer
-  # @param answer [Answer] the answer to unsmile
-  def unsmile(answer)
-    Smile.find_by(user: self, answer: answer).destroy
-  end
-
   # smiles a comment
   # @param comment [Comment] the comment to smile
   def smile_comment(comment)
@@ -160,10 +144,6 @@ class User < ApplicationRecord
     CommentSmile.find_by(user: self, comment: comment).destroy
   end
 
-  def smiled?(answer)
-    answer.smiles.pluck(:user_id).include? self.id
-  end
-
   def smiled_comment?(comment)
     comment.smiles.pluck(:user_id).include? self.id
   end

app/models/user/reaction_methods.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module User::ReactionMethods
+  # smiles an answer or comment
+  # @param item [ApplicationRecord] the answer/comment to smile
+  def smile(item)
+    # rubocop:disable Style/RedundantSelf
+    raise Errors::ReactingSelfBlockedOther if self.blocking?(answer.user)
+    raise Errors::ReactingOtherBlockedSelf if answer.user.blocking?(self)
+    # rubocop:enable Style/RedundantSelf
+
+    ::Appendable::Reaction.create!(user: self, parent: item, content: "🙂")
+  end
+
+  # unsmile an answer or comment
+  # @param item [ApplicationRecord] the answer/comment to unsmile
+  def unsmile(item)
+    ::Appendable::Reaction.find_by(user: self, parent: item).destroy
+  end
+
+  def smiled?(item)
+    item.smiles.pluck(:user_id).include? id
+  end
+end

app/views/answerbox/_actions.haml

@@ -1,17 +1,17 @@
 %span.d-none.d-sm-inline.text-muted
-  - if !user_signed_in? && a.smile_count.positive?
+  - if !user_signed_in? && a.smiles.count.positive?
     %button.btn.btn-info.btn-sm{ name: 'ab-smile', disabled: true }
       %i.fa.fa-smile-o
-      %span{ id: "ab-smile-count-#{a.id}" }= a.smile_count
+      %span{ id: "ab-smile-count-#{a.id}" }= a.smiles.count
 - if user_signed_in?
   - if current_user.smiled? a
     %button.btn.btn-link.answerbox__action{ type: :button, name: 'ab-smile', data: { a_id: a.id, action: :unsmile } }
       %i.fa.fa-fw.fa-frown-o
-      %span{ id: "ab-smile-count-#{a.id}" }= a.smile_count
+      %span{ id: "ab-smile-count-#{a.id}" }= a.smiles.count
   - else
     %button.btn.btn-link.answerbox__action{ type: :button, name: 'ab-smile', data: { a_id: a.id, action: :smile } }
       %i.fa.fa-fw.fa-smile-o
-      %span{ id: "ab-smile-count-#{a.id}" }= a.smile_count
+      %span{ id: "ab-smile-count-#{a.id}" }= a.smiles.count
 - unless display_all
   %button.btn.btn-link.answerbox__action{ type: :button, name: 'ab-comments', data: { a_id: a.id, state: :hidden } }
     %i.fa.fa-fw.fa-comments