Create frontend endpoint for pinning answers

app/controllers/answer_controller.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class AnswerController < ApplicationController
+  before_action :authenticate_user!, only: :pin
+
   def show
     @answer = Answer.includes(comments: %i[user smiles], question: [:user], smiles: [:user]).find(params[:id])
     @display_all = true
@@ -16,4 +18,14 @@ class AnswerController < ApplicationController
       notif.update_all(new: false) unless notif.empty?
     end
   end
+
+  def pin
+    answer = Answer.includes(:user).find(params[:id])
+    UseCase::Answer::Pin.call(user: current_user, answer:)
+
+    respond_to do |format|
+      format.html { redirect_to(user_path(username: current_user.screen_name)) }
+      format.turbo_stream { render "pin", locals: { answer: } }
+    end
+  end
 end

app/views/actions/_answer.html.haml

@@ -17,14 +17,7 @@
       %i.fa.fa-fw.fa-exclamation-triangle
       = t("voc.report")
   - else
-    - if answer.pinned?
-      %a.dropdown-item{ href: "#", data: { a_id: answer.id, action: "ab-unpin" } }
-        %i.fa.fa-fw.fa-thumbtack
-        = t(".unpin")
-    - else
-      %a.dropdown-item{ href: "#", data: { a_id: answer.id, action: "ab-pin" } }
-        %i.fa.fa-fw.fa-thumbtack
-        = t(".pin")
+    = render "actions/pin", answer:
   - if current_user.admin?
     %a.dropdown-item{ href: rails_admin_path_for_resource(answer), target: "_blank" }
       %i.fa.fa-fw.fa-gears

app/views/actions/_pin.html.haml

@@ -0,0 +1,14 @@
+- if answer.pinned?
+  = button_to pin_answer_path(id: answer.id),
+    class: "dropdown-item",
+    method: :delete,
+    form: { id: "ab-pin-#{answer.id}", data: { turbo_stream: true } } do
+    %i.fa.fa-fw.fa-thumbtack
+    = t(".unpin")
+- else
+  = button_to pin_answer_path(id: answer.id),
+    class: "dropdown-item",
+    method: :post,
+    form: { id: "ab-pin-#{answer.id}", data: { turbo_stream: true } } do
+    %i.fa.fa-fw.fa-thumbtack
+    = t(".pin")

app/views/answer/pin.turbo_stream.haml

@@ -0,0 +1,2 @@
+= turbo_stream.update("ab-pin-#{answer.id}") do
+  = render "actions/pin", answer:

config/locales/views.en.yml

@@ -73,10 +73,11 @@ en:
   actions:
     answer:
       return: "Return to Inbox"
-      pin: "Pin to Profile"
-      unpin: "Unpin from Profile"
     comment:
       view_smiles: "View comment smiles"
+    pin:
+      pin: "Pin to Profile"
+      unpin: "Unpin from Profile"
     share:
       twitter: "Share on Twitter"
       tumblr: "Share on Tumblr"

config/routes.rb

@@ -146,6 +146,7 @@ Rails.application.routes.draw do
   get "/user/:username", to: "user#show"
   get "/@:username", to: "user#show", as: :user
   get "/@:username/a/:id", to: "answer#show", as: :answer
+  post "/@:username/a/:id/pin", to: "answer#pin", as: :pin_answer
   get "/@:username/q/:id", to: "question#show", as: :question
   get "/@:username/followers", to: "user#followers", as: :show_user_followers
   get "/@:username/followings", to: "user#followings", as: :show_user_followings