From c2baa86c09a56a267b166a004a6dca7d332a99d9 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Sun, 29 Jan 2023 00:56:47 +0100
Subject: [PATCH 01/23] Add `pinned_at` to answers

---
 app/models/answer.rb                                  | 4 ++++
 db/migrate/20230128233136_add_pinned_at_to_answers.rb | 8 ++++++++
 db/schema.rb                                          | 2 ++
 3 files changed, 14 insertions(+)
 create mode 100644 db/migrate/20230128233136_add_pinned_at_to_answers.rb

diff --git a/app/models/answer.rb b/app/models/answer.rb
index 91a6c956..d1e3e645 100644
--- a/app/models/answer.rb
+++ b/app/models/answer.rb
@@ -14,6 +14,8 @@ class Answer < ApplicationRecord
   validates :question_id, uniqueness: { scope: :user_id }
   # rubocop:enable Rails/UniqueValidationWithoutIndex
 
+  scope :pinned, -> { where.not(pinned_at: nil) }
+
   SHORT_ANSWER_MAX_LENGTH = 640
 
   # rubocop:disable Rails/SkipsModelValidations
@@ -56,4 +58,6 @@ class Answer < ApplicationRecord
   end
 
   def long? = content.length > SHORT_ANSWER_MAX_LENGTH
+
+  def pinned? = pinned_at.present?
 end
diff --git a/db/migrate/20230128233136_add_pinned_at_to_answers.rb b/db/migrate/20230128233136_add_pinned_at_to_answers.rb
new file mode 100644
index 00000000..8501ba1e
--- /dev/null
+++ b/db/migrate/20230128233136_add_pinned_at_to_answers.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class AddPinnedAtToAnswers < ActiveRecord::Migration[6.1]
+  def change
+    add_column :answers, :pinned_at, :timestamp
+    add_index :answers, %i[user_id pinned_at]
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 0d70a9eb..33418a33 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -48,8 +48,10 @@ ActiveRecord::Schema.define(version: 2023_02_12_181044) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer "smile_count", default: 0, null: false
+    t.datetime "pinned_at"
     t.index ["question_id"], name: "index_answers_on_question_id"
     t.index ["user_id", "created_at"], name: "index_answers_on_user_id_and_created_at"
+    t.index ["user_id", "pinned_at"], name: "index_answers_on_user_id_and_pinned_at"
   end
 
   create_table "appendables", force: :cascade do |t|

From ed4ec98455e024a3d11d09934770a20c6ebfb59e Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Sun, 29 Jan 2023 21:00:47 +0100
Subject: [PATCH 02/23] Add use case for pinning answers

---
 lib/use_case/answer/pin.rb           | 28 ++++++++++++++++++++++++
 spec/lib/use_case/answer/pin_spec.rb | 32 ++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 lib/use_case/answer/pin.rb
 create mode 100644 spec/lib/use_case/answer/pin_spec.rb

diff --git a/lib/use_case/answer/pin.rb b/lib/use_case/answer/pin.rb
new file mode 100644
index 00000000..dd574e71
--- /dev/null
+++ b/lib/use_case/answer/pin.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module UseCase
+  module Answer
+    class Pin < UseCase::Base
+      option :user, type: Types.Instance(::User)
+      option :answer, type: Types.Instance(::Answer)
+
+      def call
+        check_ownership!
+
+        answer.pinned_at = Time.now.utc
+        answer.save!
+
+        {
+          status:   200,
+          resource: answer
+        }
+      end
+
+      private
+
+      def check_ownership!
+        raise ::Errors::NotAuthorized unless answer.user == user
+      end
+    end
+  end
+end
diff --git a/spec/lib/use_case/answer/pin_spec.rb b/spec/lib/use_case/answer/pin_spec.rb
new file mode 100644
index 00000000..920d8f02
--- /dev/null
+++ b/spec/lib/use_case/answer/pin_spec.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe UseCase::Answer::Pin do
+  include ActiveSupport::Testing::TimeHelpers
+
+  subject { UseCase::Answer::Pin.call(user:, answer:) }
+
+  context "answer exists" do
+    let(:answer) { FactoryBot.create(:answer, user: FactoryBot.create(:user)) }
+
+    context "as answer owner" do
+      let(:user) { answer.user }
+
+      it "pins the answer" do
+        travel_to(Time.at(1603290950).utc) do
+          expect { subject }.to change { answer.pinned_at }.from(nil).to(Time.at(1603290950).utc)
+        end
+      end
+    end
+
+    context "as other user" do
+      let(:user) { FactoryBot.create(:user) }
+
+      it "does not pin the answer" do
+        expect { subject }.to raise_error(Errors::NotAuthorized)
+        expect(answer.reload.pinned_at).to eq(nil)
+      end
+    end
+  end
+end

From 3451ae1fb04c2502bead1e4a6025a146adc1a01e Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Sun, 29 Jan 2023 21:01:03 +0100
Subject: [PATCH 03/23] Display pinned answers on profiles

---
 app/views/actions/_answer.html.haml | 9 +++++++++
 app/views/user/show.html.haml       | 6 +++++-
 config/locales/controllers.en.yml   | 2 ++
 config/locales/views.en.yml         | 2 ++
 4 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/app/views/actions/_answer.html.haml b/app/views/actions/_answer.html.haml
index 1fcfdca8..9f778bbe 100644
--- a/app/views/actions/_answer.html.haml
+++ b/app/views/actions/_answer.html.haml
@@ -16,6 +16,15 @@
     %a.dropdown-item{ href: "#", data: { a_id: answer.id, action: "ab-report" } }
       %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")
   - if current_user.admin?
     %a.dropdown-item{ href: rails_admin_path_for_resource(answer), target: "_blank" }
       %i.fa.fa-fw.fa-gears
diff --git a/app/views/user/show.html.haml b/app/views/user/show.html.haml
index ac6452a0..6796f5c0 100644
--- a/app/views/user/show.html.haml
+++ b/app/views/user/show.html.haml
@@ -1,7 +1,11 @@
 - unless @user.banned?
+  #pinned_answers
+    - @user.answers.pinned.each do |a|
+      = render 'answerbox', a:
+
   #answers
     - @answers.each do |a|
-      = render 'answerbox', a: a
+      = render 'answerbox', a:
 
 - if @more_data_available
   .d-flex.justify-content-center.justify-content-sm-start#paginator
diff --git a/config/locales/controllers.en.yml b/config/locales/controllers.en.yml
index d94570f8..ebd15114 100644
--- a/config/locales/controllers.en.yml
+++ b/config/locales/controllers.en.yml
@@ -26,6 +26,8 @@ en:
       destroy:
         nopriv: "You cannot delete other people's answers."
         success: "Successfully deleted answer."
+      pin:
+        success: "Successfully pinned answer."
     comment:
       create:
         invalid: "Your comment is too long."
diff --git a/config/locales/views.en.yml b/config/locales/views.en.yml
index c944b72c..4b06bb01 100644
--- a/config/locales/views.en.yml
+++ b/config/locales/views.en.yml
@@ -73,6 +73,8 @@ en:
   actions:
     answer:
       return: "Return to Inbox"
+      pin: "Pin to Profile"
+      unpin: "Unpin from Profile"
     comment:
       view_smiles: "View comment smiles"
     share:

From 5f50a08f03fe0160f01f60a7d33dbadc26110ae8 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Mon, 30 Jan 2023 17:39:34 +0100
Subject: [PATCH 04/23] Adjust answer export test to include pinned_at field

---
 spec/lib/use_case/data_export/answers_spec.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spec/lib/use_case/data_export/answers_spec.rb b/spec/lib/use_case/data_export/answers_spec.rb
index 3fa24f8e..8298fbf1 100644
--- a/spec/lib/use_case/data_export/answers_spec.rb
+++ b/spec/lib/use_case/data_export/answers_spec.rb
@@ -32,7 +32,8 @@ describe UseCase::DataExport::Answers, :data_export do
               user_id:       user.id,
               created_at:    "2022-12-10T13:37:42.000Z",
               updated_at:    "2022-12-10T13:37:42.000Z",
-              smile_count:   0
+              smile_count:   0,
+              pinned_at:     nil
             }
           ]
         }

From 5b1340b793968f4650a0e7f395b4b3c91ecb5d92 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Mon, 30 Jan 2023 17:54:10 +0100
Subject: [PATCH 05/23] Appease the dog overlords

---
 app/views/user/show.html.haml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/views/user/show.html.haml b/app/views/user/show.html.haml
index 6796f5c0..4456aa90 100644
--- a/app/views/user/show.html.haml
+++ b/app/views/user/show.html.haml
@@ -1,11 +1,11 @@
 - unless @user.banned?
-  #pinned_answers
+  #pinned-answers
     - @user.answers.pinned.each do |a|
-      = render 'answerbox', a:
+      = render "answerbox", a:
 
   #answers
     - @answers.each do |a|
-      = render 'answerbox', a:
+      = render "answerbox", a:
 
 - if @more_data_available
   .d-flex.justify-content-center.justify-content-sm-start#paginator

From b196909b796794c9a20792dbddae89d6e0e45eb1 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 08:32:25 +0100
Subject: [PATCH 06/23] Create frontend endpoint for pinning answers

---
 app/controllers/answer_controller.rb   | 12 ++++++++++++
 app/views/actions/_answer.html.haml    |  9 +--------
 app/views/actions/_pin.html.haml       | 14 ++++++++++++++
 app/views/answer/pin.turbo_stream.haml |  2 ++
 config/locales/views.en.yml            |  5 +++--
 config/routes.rb                       |  1 +
 6 files changed, 33 insertions(+), 10 deletions(-)
 create mode 100644 app/views/actions/_pin.html.haml
 create mode 100644 app/views/answer/pin.turbo_stream.haml

diff --git a/app/controllers/answer_controller.rb b/app/controllers/answer_controller.rb
index b63be49e..33057ceb 100644
--- a/app/controllers/answer_controller.rb
+++ b/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
diff --git a/app/views/actions/_answer.html.haml b/app/views/actions/_answer.html.haml
index 9f778bbe..de81c031 100644
--- a/app/views/actions/_answer.html.haml
+++ b/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
diff --git a/app/views/actions/_pin.html.haml b/app/views/actions/_pin.html.haml
new file mode 100644
index 00000000..aae54317
--- /dev/null
+++ b/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")
diff --git a/app/views/answer/pin.turbo_stream.haml b/app/views/answer/pin.turbo_stream.haml
new file mode 100644
index 00000000..bc2c107a
--- /dev/null
+++ b/app/views/answer/pin.turbo_stream.haml
@@ -0,0 +1,2 @@
+= turbo_stream.update("ab-pin-#{answer.id}") do
+  = render "actions/pin", answer:
diff --git a/config/locales/views.en.yml b/config/locales/views.en.yml
index 4b06bb01..41652ab5 100644
--- a/config/locales/views.en.yml
+++ b/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"
diff --git a/config/routes.rb b/config/routes.rb
index 74ebc5b0..c8a12365 100644
--- a/config/routes.rb
+++ b/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

From 410d9b5d8ee5e2587d62ada37533479a0569bfe9 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 08:36:29 +0100
Subject: [PATCH 07/23] Implement unpinning answers

---
 app/controllers/answer_controller.rb | 10 +++++++++
 app/views/actions/_pin.html.haml     |  2 +-
 config/routes.rb                     |  1 +
 lib/use_case/answer/unpin.rb         | 33 ++++++++++++++++++++++++++++
 4 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 lib/use_case/answer/unpin.rb

diff --git a/app/controllers/answer_controller.rb b/app/controllers/answer_controller.rb
index 33057ceb..aaa5f07b 100644
--- a/app/controllers/answer_controller.rb
+++ b/app/controllers/answer_controller.rb
@@ -28,4 +28,14 @@ class AnswerController < ApplicationController
       format.turbo_stream { render "pin", locals: { answer: } }
     end
   end
+
+  def unpin
+    answer = Answer.includes(:user).find(params[:id])
+    UseCase::Answer::Unpin.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
diff --git a/app/views/actions/_pin.html.haml b/app/views/actions/_pin.html.haml
index aae54317..c6d6c4bc 100644
--- a/app/views/actions/_pin.html.haml
+++ b/app/views/actions/_pin.html.haml
@@ -1,5 +1,5 @@
 - if answer.pinned?
-  = button_to pin_answer_path(id: answer.id),
+  = button_to unpin_answer_path(id: answer.id),
     class: "dropdown-item",
     method: :delete,
     form: { id: "ab-pin-#{answer.id}", data: { turbo_stream: true } } do
diff --git a/config/routes.rb b/config/routes.rb
index c8a12365..744a8d83 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -147,6 +147,7 @@ Rails.application.routes.draw do
   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
+  delete "/@:username/a/:id/pin", to: "answer#unpin", as: :unpin_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
diff --git a/lib/use_case/answer/unpin.rb b/lib/use_case/answer/unpin.rb
new file mode 100644
index 00000000..ac945e63
--- /dev/null
+++ b/lib/use_case/answer/unpin.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module UseCase
+  module Answer
+    class Unpin < UseCase::Base
+      option :user, type: Types.Instance(::User)
+      option :answer, type: Types.Instance(::Answer)
+
+      def call
+        check_ownership!
+        check_pinned!
+
+        answer.pinned_at = nil
+        answer.save!
+
+        {
+          status:   200,
+          resource: nil
+        }
+      end
+
+      private
+
+      def check_ownership!
+        raise ::Errors::NotAuthorized unless answer.user == user
+      end
+
+      def check_pinned!
+        raise ::Errors::BadRequest if answer.pinned_at.nil?
+      end
+    end
+  end
+end

From 438884e13ad2781d5c0ea65874649588ee0e64fb Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 22:06:35 +0100
Subject: [PATCH 08/23] Add trailing commas (lint)

---
 lib/use_case/answer/pin.rb                    | 2 +-
 lib/use_case/answer/unpin.rb                  | 2 +-
 spec/lib/use_case/data_export/answers_spec.rb | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/use_case/answer/pin.rb b/lib/use_case/answer/pin.rb
index dd574e71..a14e8674 100644
--- a/lib/use_case/answer/pin.rb
+++ b/lib/use_case/answer/pin.rb
@@ -14,7 +14,7 @@ module UseCase
 
         {
           status:   200,
-          resource: answer
+          resource: answer,
         }
       end
 
diff --git a/lib/use_case/answer/unpin.rb b/lib/use_case/answer/unpin.rb
index ac945e63..f9553b8d 100644
--- a/lib/use_case/answer/unpin.rb
+++ b/lib/use_case/answer/unpin.rb
@@ -15,7 +15,7 @@ module UseCase
 
         {
           status:   200,
-          resource: nil
+          resource: nil,
         }
       end
 
diff --git a/spec/lib/use_case/data_export/answers_spec.rb b/spec/lib/use_case/data_export/answers_spec.rb
index 8298fbf1..99335a91 100644
--- a/spec/lib/use_case/data_export/answers_spec.rb
+++ b/spec/lib/use_case/data_export/answers_spec.rb
@@ -33,7 +33,7 @@ describe UseCase::DataExport::Answers, :data_export do
               created_at:    "2022-12-10T13:37:42.000Z",
               updated_at:    "2022-12-10T13:37:42.000Z",
               smile_count:   0,
-              pinned_at:     nil
+              pinned_at:     nil,
             }
           ]
         }

From 664bf5eab295e9f60308b784919904fe2b9e811a Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 22:11:36 +0100
Subject: [PATCH 09/23] Add test for unpin use case

---
 spec/lib/use_case/answer/unpin_spec.rb | 31 ++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 spec/lib/use_case/answer/unpin_spec.rb

diff --git a/spec/lib/use_case/answer/unpin_spec.rb b/spec/lib/use_case/answer/unpin_spec.rb
new file mode 100644
index 00000000..b6f5ea9c
--- /dev/null
+++ b/spec/lib/use_case/answer/unpin_spec.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe UseCase::Answer::Unpin do
+  include ActiveSupport::Testing::TimeHelpers
+
+  subject { UseCase::Answer::Unpin.call(user:, answer:) }
+
+  context "answer exists" do
+    let(:pinned_at) { Time.at(1603290950).utc }
+    let(:answer) { FactoryBot.create(:answer, user: FactoryBot.create(:user), pinned_at:) }
+
+    context "as answer owner" do
+      let(:user) { answer.user }
+
+      it "unpins the answer" do
+        expect { subject }.to change { answer.pinned_at }.from(pinned_at).to(nil)
+      end
+    end
+
+    context "as other user" do
+      let(:user) { FactoryBot.create(:user) }
+
+      it "does not unpin the answer" do
+        expect { subject }.to raise_error(Errors::NotAuthorized)
+        expect(answer.reload.pinned_at).to eq(pinned_at)
+      end
+    end
+  end
+end

From 04303c667e98da34c18ad90bc166befd9226ab53 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 22:52:36 +0100
Subject: [PATCH 10/23] Add tests for pin/unpin endpoints

---
 spec/controllers/answer_controller_spec.rb | 62 +++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/spec/controllers/answer_controller_spec.rb b/spec/controllers/answer_controller_spec.rb
index b2c39fd5..86514985 100644
--- a/spec/controllers/answer_controller_spec.rb
+++ b/spec/controllers/answer_controller_spec.rb
@@ -2,7 +2,9 @@
 
 require "rails_helper"
 
-describe AnswerController do
+describe AnswerController, type: :controller do
+  include ActiveSupport::Testing::TimeHelpers
+
   let(:user) do
     FactoryBot.create :user,
                       otp_module:     :disabled,
@@ -39,4 +41,62 @@ describe AnswerController do
       end
     end
   end
+
+  describe "#pin" do
+    subject { post :pin, params: { username: user.screen_name, id: answer.id } }
+
+    context "user signed in" do
+      before(:each) { sign_in user }
+
+      it "pins the answer" do
+        travel_to(Time.at(1603290950).utc) do
+          expect { subject }.to change { answer.reload.pinned_at }.from(nil).to(Time.at(1603290950).utc)
+          expect(response).to redirect_to(user_path(user))
+        end
+      end
+    end
+
+    context "other user signed in" do
+      let(:other_user) { FactoryBot.create(:user) }
+
+      before(:each) { sign_in other_user }
+
+      it "does not pin the answer do" do
+        travel_to(Time.at(1603290950).utc) do
+          expect { subject }.to raise_error(Errors::NotAuthorized)
+          expect(answer.reload.pinned_at).to eq(nil)
+        end
+      end
+    end
+  end
+
+  describe "#unpin" do
+    subject { delete :unpin, params: { username: user.screen_name, id: answer.id } }
+
+    context "user signed in" do
+      before(:each) do
+        sign_in user
+        answer.update!(pinned_at: Time.at(1603290950).utc)
+      end
+
+      it "pins the answer" do
+        expect { subject }.to change { answer.reload.pinned_at }.from(Time.at(1603290950).utc).to(nil)
+        expect(response).to redirect_to(user_path(user))
+      end
+    end
+
+    context "other user signed in" do
+      let(:other_user) { FactoryBot.create(:user) }
+
+      before(:each) do
+        sign_in other_user
+        answer.update!(pinned_at: Time.at(1603290950).utc)
+      end
+
+      it "does not pin the answer do" do
+        expect { subject }.to raise_error(Errors::NotAuthorized)
+        expect(answer.reload.pinned_at).to eq(Time.at(1603290950).utc)
+      end
+    end
+  end
 end

From baea94297514c2691f90238fce7f8e85de42ce37 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 22:55:39 +0100
Subject: [PATCH 11/23] Add check for pinning when the answer is already pinned

---
 lib/use_case/answer/pin.rb           |  5 +++++
 spec/lib/use_case/answer/pin_spec.rb | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/lib/use_case/answer/pin.rb b/lib/use_case/answer/pin.rb
index a14e8674..0e0d76d4 100644
--- a/lib/use_case/answer/pin.rb
+++ b/lib/use_case/answer/pin.rb
@@ -8,6 +8,7 @@ module UseCase
 
       def call
         check_ownership!
+        check_unpinned!
 
         answer.pinned_at = Time.now.utc
         answer.save!
@@ -23,6 +24,10 @@ module UseCase
       def check_ownership!
         raise ::Errors::NotAuthorized unless answer.user == user
       end
+
+      def check_unpinned!
+        raise ::Errors::BadRequest if answer.pinned_at.present?
+      end
     end
   end
 end
diff --git a/spec/lib/use_case/answer/pin_spec.rb b/spec/lib/use_case/answer/pin_spec.rb
index 920d8f02..26fa29d4 100644
--- a/spec/lib/use_case/answer/pin_spec.rb
+++ b/spec/lib/use_case/answer/pin_spec.rb
@@ -18,6 +18,17 @@ describe UseCase::Answer::Pin do
           expect { subject }.to change { answer.pinned_at }.from(nil).to(Time.at(1603290950).utc)
         end
       end
+
+      context "answer is already pinned" do
+        before do
+          answer.update!(pinned_at: Time.at(1603290950).utc)
+        end
+
+        it "raises an error" do
+          expect { subject }.to raise_error(Errors::BadRequest)
+          expect(answer.reload.pinned_at).to eq(Time.at(1603290950).utc)
+        end
+      end
     end
 
     context "as other user" do

From dd8f51160fd191bcca171f98de22e349bbc8c8b8 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 22:56:41 +0100
Subject: [PATCH 12/23] Add test for unpinning when the answer is not pinned

---
 spec/lib/use_case/answer/unpin_spec.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/spec/lib/use_case/answer/unpin_spec.rb b/spec/lib/use_case/answer/unpin_spec.rb
index b6f5ea9c..f4d7a3cb 100644
--- a/spec/lib/use_case/answer/unpin_spec.rb
+++ b/spec/lib/use_case/answer/unpin_spec.rb
@@ -17,6 +17,15 @@ describe UseCase::Answer::Unpin do
       it "unpins the answer" do
         expect { subject }.to change { answer.pinned_at }.from(pinned_at).to(nil)
       end
+
+      context "answer is already unpinned" do
+        let(:pinned_at) { nil }
+
+        it "raises an error" do
+          expect { subject }.to raise_error(Errors::BadRequest)
+          expect(answer.reload.pinned_at).to eq(nil)
+        end
+      end
     end
 
     context "as other user" do

From 6cbce2c1579f83710ba3b65194a8cdfdd08b695c Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 22:59:48 +0100
Subject: [PATCH 13/23] Require authentication on unpin endpoint

---
 app/controllers/answer_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/answer_controller.rb b/app/controllers/answer_controller.rb
index aaa5f07b..6b045f7a 100644
--- a/app/controllers/answer_controller.rb
+++ b/app/controllers/answer_controller.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class AnswerController < ApplicationController
-  before_action :authenticate_user!, only: :pin
+  before_action :authenticate_user!, only: %i[pin unpin]
 
   def show
     @answer = Answer.includes(comments: %i[user smiles], question: [:user], smiles: [:user]).find(params[:id])

From de73532befdf22ab56ef114befc6f419a72760a9 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 23:12:13 +0100
Subject: [PATCH 14/23] Show indicator for pinned answers

---
 app/assets/stylesheets/components/_answerbox.scss | 12 ++++++++++++
 app/views/application/_answerbox.html.haml        |  5 +++++
 config/locales/views.en.yml                       |  1 +
 3 files changed, 18 insertions(+)

diff --git a/app/assets/stylesheets/components/_answerbox.scss b/app/assets/stylesheets/components/_answerbox.scss
index 2eae714c..15909d38 100644
--- a/app/assets/stylesheets/components/_answerbox.scss
+++ b/app/assets/stylesheets/components/_answerbox.scss
@@ -82,11 +82,23 @@
     }
   }
 
+  &__pinned {
+    display: none;
+  }
+
   .card-body {
     padding-bottom: .6rem;
   }
 }
 
+#pinned-answers {
+  .answerbox {
+    &__pinned {
+      display: inline;
+    }
+  }
+}
+
 body:not(.cap-web-share) {
   [name="ab-share"] {
     display: none;
diff --git a/app/views/application/_answerbox.html.haml b/app/views/application/_answerbox.html.haml
index fe27f953..e6b9504b 100644
--- a/app/views/application/_answerbox.html.haml
+++ b/app/views/application/_answerbox.html.haml
@@ -27,6 +27,11 @@
         .col-md-6.text-start.text-muted
           %i.fa.fa-clock-o
           = link_to(raw(t("time.distance_ago", time: time_tooltip(a))), answer_path(a.user.screen_name, a.id), class: "answerbox__permalink")
+          - if instance_variable_defined?(:@user) && @user == a.user && a.pinned_at.present?
+            %span.answerbox__pinned
+              ·
+              %i.fa.fa-thumbtack
+              = t(".pinned")
         .col-md-6.d-md-flex.answerbox__actions
           = render "answerbox/actions", a: a, display_all: display_all
   .card-footer{ id: "ab-comments-section-#{a.id}", class: display_all.nil? ? "d-none" : nil }
diff --git a/config/locales/views.en.yml b/config/locales/views.en.yml
index 41652ab5..351e2c03 100644
--- a/config/locales/views.en.yml
+++ b/config/locales/views.en.yml
@@ -126,6 +126,7 @@ en:
       read: "Read the entire answer"
       answered: "%{hide} %{user}" # resolves into "Answered by %{user}"
       hide: "Answered by"
+      pinned: "Pinned"
     questionbox:
       title: "Ask something!"
       placeholder: "Type your question here…"

From fa68ab27d764a36106d6eae3b5c9d4dbd1c58d60 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 23:14:33 +0100
Subject: [PATCH 15/23] Limit to 10 pinned answers

---
 app/controllers/user_controller.rb | 1 +
 app/views/user/show.html.haml      | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/controllers/user_controller.rb b/app/controllers/user_controller.rb
index 17926429..58060d22 100644
--- a/app/controllers/user_controller.rb
+++ b/app/controllers/user_controller.rb
@@ -7,6 +7,7 @@ class UserController < ApplicationController
 
   def show
     @answers = @user.cursored_answers(last_id: params[:last_id])
+    @pinned_answers = @user.answers.pinned.limit(10)
     @answers_last_id = @answers.map(&:id).min
     @more_data_available = !@user.cursored_answers(last_id: @answers_last_id, size: 1).count.zero?
 
diff --git a/app/views/user/show.html.haml b/app/views/user/show.html.haml
index 4456aa90..25240a33 100644
--- a/app/views/user/show.html.haml
+++ b/app/views/user/show.html.haml
@@ -1,6 +1,6 @@
 - unless @user.banned?
   #pinned-answers
-    - @user.answers.pinned.each do |a|
+    - @pinned_answers.each do |a|
       = render "answerbox", a:
 
   #answers

From 2ee25d264f327a5ae5473d0edf9da98a08b95b57 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 23:20:47 +0100
Subject: [PATCH 16/23] Simplify pinned check in answerbox

This is hidden by CSS in the prior case anyway
---
 app/views/application/_answerbox.html.haml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/views/application/_answerbox.html.haml b/app/views/application/_answerbox.html.haml
index e6b9504b..20b88963 100644
--- a/app/views/application/_answerbox.html.haml
+++ b/app/views/application/_answerbox.html.haml
@@ -27,7 +27,7 @@
         .col-md-6.text-start.text-muted
           %i.fa.fa-clock-o
           = link_to(raw(t("time.distance_ago", time: time_tooltip(a))), answer_path(a.user.screen_name, a.id), class: "answerbox__permalink")
-          - if instance_variable_defined?(:@user) && @user == a.user && a.pinned_at.present?
+          - if a.pinned_at.present?
             %span.answerbox__pinned
               ·
               %i.fa.fa-thumbtack

From 2d6ff76461f0bfdcaffb89ca0e32baf670d6fbdb Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Tue, 7 Feb 2023 23:23:49 +0100
Subject: [PATCH 17/23] Appease the dog overlords

---
 app/assets/stylesheets/components/_answerbox.scss | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/app/assets/stylesheets/components/_answerbox.scss b/app/assets/stylesheets/components/_answerbox.scss
index 15909d38..adb1b732 100644
--- a/app/assets/stylesheets/components/_answerbox.scss
+++ b/app/assets/stylesheets/components/_answerbox.scss
@@ -92,10 +92,9 @@
 }
 
 #pinned-answers {
-  .answerbox {
-    &__pinned {
-      display: inline;
-    }
+
+  .answerbox__pinned {
+    display: inline;
   }
 }
 

From 736ca4d6b08e2c6de64596770a7b83c4f332f45f Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Fri, 10 Feb 2023 11:34:55 +0100
Subject: [PATCH 18/23] Use a policy for pinning/unpinning

---
 app/policies/answer_policy.rb | 14 ++++++++++++++
 lib/use_case/answer/pin.rb    |  6 +-----
 lib/use_case/answer/unpin.rb  |  6 +-----
 lib/use_case/base.rb          |  6 ++++++
 4 files changed, 22 insertions(+), 10 deletions(-)
 create mode 100644 app/policies/answer_policy.rb

diff --git a/app/policies/answer_policy.rb b/app/policies/answer_policy.rb
new file mode 100644
index 00000000..c012c920
--- /dev/null
+++ b/app/policies/answer_policy.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class AnswerPolicy
+  attr_reader :user, :answer
+
+  def initialize(user, answer)
+    @user = user
+    @answer = answer
+  end
+
+  def pin? = answer.user == user
+
+  def unpin? = answer.user == user
+end
diff --git a/lib/use_case/answer/pin.rb b/lib/use_case/answer/pin.rb
index 0e0d76d4..c790663c 100644
--- a/lib/use_case/answer/pin.rb
+++ b/lib/use_case/answer/pin.rb
@@ -7,7 +7,7 @@ module UseCase
       option :answer, type: Types.Instance(::Answer)
 
       def call
-        check_ownership!
+        authorize!(:pin, user, answer)
         check_unpinned!
 
         answer.pinned_at = Time.now.utc
@@ -21,10 +21,6 @@ module UseCase
 
       private
 
-      def check_ownership!
-        raise ::Errors::NotAuthorized unless answer.user == user
-      end
-
       def check_unpinned!
         raise ::Errors::BadRequest if answer.pinned_at.present?
       end
diff --git a/lib/use_case/answer/unpin.rb b/lib/use_case/answer/unpin.rb
index f9553b8d..8f12742e 100644
--- a/lib/use_case/answer/unpin.rb
+++ b/lib/use_case/answer/unpin.rb
@@ -7,7 +7,7 @@ module UseCase
       option :answer, type: Types.Instance(::Answer)
 
       def call
-        check_ownership!
+        authorize!(:unpin, user, answer)
         check_pinned!
 
         answer.pinned_at = nil
@@ -21,10 +21,6 @@ module UseCase
 
       private
 
-      def check_ownership!
-        raise ::Errors::NotAuthorized unless answer.user == user
-      end
-
       def check_pinned!
         raise ::Errors::BadRequest if answer.pinned_at.nil?
       end
diff --git a/lib/use_case/base.rb b/lib/use_case/base.rb
index e35585c2..7ff23bbf 100644
--- a/lib/use_case/base.rb
+++ b/lib/use_case/base.rb
@@ -9,5 +9,11 @@ module UseCase
     def self.call(...) = new(...).call
 
     def call = raise NotImplementedError
+
+    private
+
+    def authorize!(verb, user, record, error_class: Errors::NotAuthorized)
+      raise error_class unless Pundit.policy!(user, record).public_send("#{verb}?")
+    end
   end
 end

From 854cf2662edeabb4f4ddb8ee2822b674d215f2c6 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Fri, 10 Feb 2023 22:18:49 +0100
Subject: [PATCH 19/23] Specify username param for pin/unpin path

---
 app/views/actions/_pin.html.haml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/views/actions/_pin.html.haml b/app/views/actions/_pin.html.haml
index c6d6c4bc..41a1fa59 100644
--- a/app/views/actions/_pin.html.haml
+++ b/app/views/actions/_pin.html.haml
@@ -1,12 +1,12 @@
 - if answer.pinned?
-  = button_to unpin_answer_path(id: answer.id),
+  = button_to unpin_answer_path(username: current_user.screen_name, 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),
+  = button_to pin_answer_path(username: current_user.screen_name, id: answer.id),
     class: "dropdown-item",
     method: :post,
     form: { id: "ab-pin-#{answer.id}", data: { turbo_stream: true } } do

From 6724aef105baff5f2e824b7c0eac458b8f907753 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Fri, 10 Feb 2023 22:23:34 +0100
Subject: [PATCH 20/23] Order pinned answers by when they were pinned

---
 app/controllers/user_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/user_controller.rb b/app/controllers/user_controller.rb
index 58060d22..1963b496 100644
--- a/app/controllers/user_controller.rb
+++ b/app/controllers/user_controller.rb
@@ -7,7 +7,7 @@ class UserController < ApplicationController
 
   def show
     @answers = @user.cursored_answers(last_id: params[:last_id])
-    @pinned_answers = @user.answers.pinned.limit(10)
+    @pinned_answers = @user.answers.pinned.order(pinned_at: :desc).limit(10)
     @answers_last_id = @answers.map(&:id).min
     @more_data_available = !@user.cursored_answers(last_id: @answers_last_id, size: 1).count.zero?
 

From dcad9073a8be220c0b3d9deae56a020ef23c0282 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Fri, 10 Feb 2023 22:33:17 +0100
Subject: [PATCH 21/23] Fix typos in pinning tests

---
 spec/controllers/answer_controller_spec.rb | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/spec/controllers/answer_controller_spec.rb b/spec/controllers/answer_controller_spec.rb
index 86514985..2c967c40 100644
--- a/spec/controllers/answer_controller_spec.rb
+++ b/spec/controllers/answer_controller_spec.rb
@@ -61,7 +61,7 @@ describe AnswerController, type: :controller do
 
       before(:each) { sign_in other_user }
 
-      it "does not pin the answer do" do
+      it "does not pin the answer" do
         travel_to(Time.at(1603290950).utc) do
           expect { subject }.to raise_error(Errors::NotAuthorized)
           expect(answer.reload.pinned_at).to eq(nil)
@@ -79,7 +79,7 @@ describe AnswerController, type: :controller do
         answer.update!(pinned_at: Time.at(1603290950).utc)
       end
 
-      it "pins the answer" do
+      it "unpins the answer" do
         expect { subject }.to change { answer.reload.pinned_at }.from(Time.at(1603290950).utc).to(nil)
         expect(response).to redirect_to(user_path(user))
       end
@@ -93,7 +93,7 @@ describe AnswerController, type: :controller do
         answer.update!(pinned_at: Time.at(1603290950).utc)
       end
 
-      it "does not pin the answer do" do
+      it "does not unpin the answer" do
         expect { subject }.to raise_error(Errors::NotAuthorized)
         expect(answer.reload.pinned_at).to eq(Time.at(1603290950).utc)
       end

From 520f7eb9ef7501b906a1175b252a46da8f8213f6 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Sun, 12 Feb 2023 20:29:36 +0100
Subject: [PATCH 22/23] Show toasts on pin/unpin

---
 app/controllers/answer_controller.rb | 18 ++++++++++++++++--
 config/locales/controllers.en.yml    |  5 +++++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/app/controllers/answer_controller.rb b/app/controllers/answer_controller.rb
index 6b045f7a..d5e70881 100644
--- a/app/controllers/answer_controller.rb
+++ b/app/controllers/answer_controller.rb
@@ -3,6 +3,10 @@
 class AnswerController < ApplicationController
   before_action :authenticate_user!, only: %i[pin unpin]
 
+  include TurboStreamable
+
+  turbo_stream_actions :pin, :unpin
+
   def show
     @answer = Answer.includes(comments: %i[user smiles], question: [:user], smiles: [:user]).find(params[:id])
     @display_all = true
@@ -25,7 +29,12 @@ class AnswerController < ApplicationController
 
     respond_to do |format|
       format.html { redirect_to(user_path(username: current_user.screen_name)) }
-      format.turbo_stream { render "pin", locals: { answer: } }
+      format.turbo_stream do
+        render turbo_stream: [
+          turbo_stream.update("ab-pin-#{answer.id}", partial: "actions/pin", locals: { answer: }),
+          render_toast(t(".success"))
+        ]
+      end
     end
   end
 
@@ -35,7 +44,12 @@ class AnswerController < ApplicationController
 
     respond_to do |format|
       format.html { redirect_to(user_path(username: current_user.screen_name)) }
-      format.turbo_stream { render "pin", locals: { answer: } }
+      format.turbo_stream do
+        render turbo_stream: [
+          turbo_stream.update("ab-pin-#{answer.id}", partial: "actions/pin", locals: { answer: }),
+          render_toast(t(".success"))
+        ]
+      end
     end
   end
 end
diff --git a/config/locales/controllers.en.yml b/config/locales/controllers.en.yml
index ebd15114..ff41c0c6 100644
--- a/config/locales/controllers.en.yml
+++ b/config/locales/controllers.en.yml
@@ -212,3 +212,8 @@ en:
   timeline:
     public:
       title: "Public Timeline"
+  answer:
+    pin:
+      success: "This answer will now appear at the top of your profile."
+    unpin:
+      success: "This answer will no longer be pinned to the top of your profile."

From 793fec7da173a33554b5883f643c5ad74a518b9b Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Sun, 12 Feb 2023 21:04:35 +0100
Subject: [PATCH 23/23] Update pinning tests to match new Turbo Stream
 behaviour

---
 spec/controllers/answer_controller_spec.rb | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/spec/controllers/answer_controller_spec.rb b/spec/controllers/answer_controller_spec.rb
index 2c967c40..108b3969 100644
--- a/spec/controllers/answer_controller_spec.rb
+++ b/spec/controllers/answer_controller_spec.rb
@@ -43,7 +43,7 @@ describe AnswerController, type: :controller do
   end
 
   describe "#pin" do
-    subject { post :pin, params: { username: user.screen_name, id: answer.id } }
+    subject { post :pin, params: { username: user.screen_name, id: answer.id }, format: :turbo_stream }
 
     context "user signed in" do
       before(:each) { sign_in user }
@@ -51,7 +51,7 @@ describe AnswerController, type: :controller do
       it "pins the answer" do
         travel_to(Time.at(1603290950).utc) do
           expect { subject }.to change { answer.reload.pinned_at }.from(nil).to(Time.at(1603290950).utc)
-          expect(response).to redirect_to(user_path(user))
+          expect(response.body).to include("turbo-stream action=\"update\" target=\"ab-pin-#{answer.id}\"")
         end
       end
     end
@@ -63,15 +63,14 @@ describe AnswerController, type: :controller do
 
       it "does not pin the answer" do
         travel_to(Time.at(1603290950).utc) do
-          expect { subject }.to raise_error(Errors::NotAuthorized)
-          expect(answer.reload.pinned_at).to eq(nil)
+          expect { subject }.not_to(change { answer.reload.pinned_at })
         end
       end
     end
   end
 
   describe "#unpin" do
-    subject { delete :unpin, params: { username: user.screen_name, id: answer.id } }
+    subject { delete :unpin, params: { username: user.screen_name, id: answer.id }, format: :turbo_stream }
 
     context "user signed in" do
       before(:each) do
@@ -81,7 +80,7 @@ describe AnswerController, type: :controller do
 
       it "unpins the answer" do
         expect { subject }.to change { answer.reload.pinned_at }.from(Time.at(1603290950).utc).to(nil)
-        expect(response).to redirect_to(user_path(user))
+        expect(response.body).to include("turbo-stream action=\"update\" target=\"ab-pin-#{answer.id}\"")
       end
     end
 
@@ -94,8 +93,7 @@ describe AnswerController, type: :controller do
       end
 
       it "does not unpin the answer" do
-        expect { subject }.to raise_error(Errors::NotAuthorized)
-        expect(answer.reload.pinned_at).to eq(Time.at(1603290950).utc)
+        expect { subject }.not_to(change { answer.reload.pinned_at })
       end
     end
   end