Add appeals (#17364)

* Add appeals

* Add ability to reject appeals and ability to browse pending appeals in admin UI

* Add strikes to account page in settings

* Various fixes and improvements

- Add separate notification setting for appeals, separate from reports
- Fix style of links in report/strike header
- Change approving an appeal to not restore statuses (due to federation complexities)
- Change style of successfully appealed strikes on account settings page
- Change account settings page to only show unappealed or recently appealed strikes

* Change appealed_at to overruled_at

* Fix missing method error

8 files changed, 134 insertions, 3 deletions

diff --git a/spec/controllers/admin/disputes/appeals_controller_spec.rb b/spec/controllers/admin/disputes/appeals_controller_spec.rb
new file mode 100644
index 000000000..6a06f9406
--- /dev/null
+++ b/spec/controllers/admin/disputes/appeals_controller_spec.rb
@@ -0,0 +1,53 @@
+require 'rails_helper'
+
+RSpec.describe Admin::Disputes::AppealsController, type: :controller do
+  render_views
+
+  before { sign_in current_user, scope: :user }
+
+  let(:target_account) { Fabricate(:account) }
+  let(:strike) { Fabricate(:account_warning, target_account: target_account, action: :suspend) }
+  let(:appeal) { Fabricate(:appeal, strike: strike, account: target_account) }
+
+  before do
+    target_account.suspend!
+  end
+
+  describe 'POST #approve' do
+    let(:current_user) { Fabricate(:user, admin: true) }
+
+    before do
+      allow(UserMailer).to receive(:appeal_approved).and_return(double('email', deliver_later: nil))
+      post :approve, params: { id: appeal.id }
+    end
+
+    it 'unsuspends a suspended account' do
+      expect(target_account.reload.suspended?).to be false
+    end
+
+    it 'redirects back to the strike page' do
+      expect(response).to redirect_to(disputes_strike_path(appeal.strike))
+    end
+
+    it 'notifies target account about approved appeal' do
+      expect(UserMailer).to have_received(:appeal_approved).with(target_account.user, appeal)
+    end
+  end
+
+  describe 'POST #reject' do
+    let(:current_user) { Fabricate(:user, admin: true) }
+
+    before do
+      allow(UserMailer).to receive(:appeal_rejected).and_return(double('email', deliver_later: nil))
+      post :reject, params: { id: appeal.id }
+    end
+
+    it 'redirects back to the strike page' do
+      expect(response).to redirect_to(disputes_strike_path(appeal.strike))
+    end
+
+    it 'notifies target account about rejected appeal' do
+      expect(UserMailer).to have_received(:appeal_rejected).with(target_account.user, appeal)
+    end
+  end
+end
diff --git a/spec/controllers/disputes/appeals_controller_spec.rb b/spec/controllers/disputes/appeals_controller_spec.rb
new file mode 100644
index 000000000..faa571fc9
--- /dev/null
+++ b/spec/controllers/disputes/appeals_controller_spec.rb
@@ -0,0 +1,27 @@
+require 'rails_helper'
+
+RSpec.describe Disputes::AppealsController, type: :controller do
+  render_views
+
+  before { sign_in current_user, scope: :user }
+
+  let!(:admin) { Fabricate(:user, admin: true) }
+
+  describe '#create' do
+    let(:current_user) { Fabricate(:user) }
+    let(:strike) { Fabricate(:account_warning, target_account: current_user.account) }
+
+    before do
+      allow(AdminMailer).to receive(:new_appeal).and_return(double('email', deliver_later: nil))
+      post :create, params: { strike_id: strike.id, appeal: { text: 'Foo' } }
+    end
+
+    it 'notifies staff about new appeal' do
+      expect(AdminMailer).to have_received(:new_appeal).with(admin.account, Appeal.last)
+    end
+
+    it 'redirects back to the strike page' do
+      expect(response).to redirect_to(disputes_strike_path(strike.id))
+    end
+  end
+end
diff --git a/spec/controllers/disputes/strikes_controller_spec.rb b/spec/controllers/disputes/strikes_controller_spec.rb
new file mode 100644
index 000000000..157f9ec3c
--- /dev/null
+++ b/spec/controllers/disputes/strikes_controller_spec.rb
@@ -0,0 +1,30 @@
+require 'rails_helper'
+
+RSpec.describe Disputes::StrikesController, type: :controller do
+  render_views
+
+  before { sign_in current_user, scope: :user }
+
+  describe '#show' do
+    let(:current_user) { Fabricate(:user) }
+    let(:strike) { Fabricate(:account_warning, target_account: current_user.account) }
+
+    before do
+      get :show, params: { id: strike.id }
+    end
+
+    context 'when meant for the user' do
+      it 'returns http success' do
+        expect(response).to have_http_status(:success)
+      end
+    end
+
+    context 'when meant for a different user' do
+      let(:strike) { Fabricate(:account_warning) }
+
+      it 'returns http forbidden' do
+        expect(response).to have_http_status(:forbidden)
+      end
+    end
+  end
+end
diff --git a/spec/fabricators/account_warning_fabricator.rb b/spec/fabricators/account_warning_fabricator.rb
index db161d446..72fe835d9 100644
--- a/spec/fabricators/account_warning_fabricator.rb
+++ b/spec/fabricators/account_warning_fabricator.rb
@@ -1,5 +1,6 @@
 Fabricator(:account_warning) do
-  account        nil
-  target_account nil
-  text           "MyText"
+  account
+  target_account(fabricator: :account)
+  text { Faker::Lorem.paragraph }
+  action 'suspend'
 end
diff --git a/spec/fabricators/appeal_fabricator.rb b/spec/fabricators/appeal_fabricator.rb
new file mode 100644
index 000000000..339363822
--- /dev/null
+++ b/spec/fabricators/appeal_fabricator.rb
@@ -0,0 +1,5 @@
+Fabricator(:appeal) do
+  strike(fabricator: :account_warning)
+  account { |attrs| attrs[:strike].target_account }
+  text { Faker::Lorem.paragraph }
+end
diff --git a/spec/mailers/previews/admin_mailer_preview.rb b/spec/mailers/previews/admin_mailer_preview.rb
index 75ffbbf40..9c0372b47 100644
--- a/spec/mailers/previews/admin_mailer_preview.rb
+++ b/spec/mailers/previews/admin_mailer_preview.rb
@@ -15,4 +15,9 @@ class AdminMailerPreview < ActionMailer::Preview
   def new_trending_links
     AdminMailer.new_trending_links(Account.first, PreviewCard.limit(3))
   end
+
+  # Preview this email at http://localhost:3000/rails/mailers/admin_mailer/new_appeal
+  def new_appeal
+    AdminMailer.new_appeal(Account.first, Appeal.first)
+  end
 end
diff --git a/spec/mailers/previews/user_mailer_preview.rb b/spec/mailers/previews/user_mailer_preview.rb
index 69b9b971e..8de7d8669 100644
--- a/spec/mailers/previews/user_mailer_preview.rb
+++ b/spec/mailers/previews/user_mailer_preview.rb
@@ -82,6 +82,11 @@ class UserMailerPreview < ActionMailer::Preview
     UserMailer.warning(User.first, AccountWarning.last)
   end
 
+  # Preview this email at http://localhost:3000/rails/mailers/user_mailer/appeal_approved
+  def appeal_approved
+    UserMailer.appeal_approved(User.first, Appeal.last)
+  end
+
   # Preview this email at http://localhost:3000/rails/mailers/user_mailer/sign_in_token
   def sign_in_token
     UserMailer.sign_in_token(User.first.tap { |user| user.generate_sign_in_token }, '127.0.0.1', 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0', Time.now.utc)
diff --git a/spec/models/appeal_spec.rb b/spec/models/appeal_spec.rb
new file mode 100644
index 000000000..14062dc4f
--- /dev/null
+++ b/spec/models/appeal_spec.rb
@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Appeal, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end