Add domain block notes (#11515)

* Add database columns for adding notes to domain blocks/restrctions

* Add admin UI to set private and public comments when blocking a domain

* Add text for private and public comments on domain blocks

* Show domain block comments in admin UI

* Add comments to the domain block undo page

* Make UnblockDomainService more robust regarding upgraded domain blocks

* Allow editing domain blocks

* Rename button from “undo domain block” to “view domain block” in account admin UI

* Change test to unsilence silenced users from upgraded blocks

17 files changed, 138 insertions, 34 deletions

diff --git a/app/controllers/admin/domain_blocks_controller.rb b/app/controllers/admin/domain_blocks_controller.rb
index 7129656da..74a36b79c 100644
--- a/app/controllers/admin/domain_blocks_controller.rb
+++ b/app/controllers/admin/domain_blocks_controller.rb
@@ -2,13 +2,17 @@
 
 module Admin
   class DomainBlocksController < BaseController
-    before_action :set_domain_block, only: [:show, :destroy]
+    before_action :set_domain_block, only: [:show, :destroy, :edit, :update]
 
     def new
       authorize :domain_block, :create?
       @domain_block = DomainBlock.new(domain: params[:_domain])
     end
 
+    def edit
+      authorize :domain_block, :create?
+    end
+
     def create
       authorize :domain_block, :create?
 
@@ -35,6 +39,22 @@ module Admin
       end
     end
 
+    def update
+      authorize :domain_block, :create?
+
+      @domain_block.update(update_params)
+
+      severity_changed = @domain_block.severity_changed?
+
+      if @domain_block.save
+        DomainBlockWorker.perform_async(@domain_block.id, severity_changed)
+        log_action :create, @domain_block
+        redirect_to admin_instances_path(limited: '1'), notice: I18n.t('admin.domain_blocks.created_msg')
+      else
+        render :edit
+      end
+    end
+
     def show
       authorize @domain_block, :show?
     end
@@ -52,8 +72,12 @@ module Admin
       @domain_block = DomainBlock.find(params[:id])
     end
 
+    def update_params
+      params.require(:domain_block).permit(:severity, :reject_media, :reject_reports, :private_comment, :public_comment)
+    end
+
     def resource_params
-      params.require(:domain_block).permit(:domain, :severity, :reject_media, :reject_reports)
+      params.require(:domain_block).permit(:domain, :severity, :reject_media, :reject_reports, :private_comment, :public_comment)
     end
   end
 end
diff --git a/app/controllers/admin/instances_controller.rb b/app/controllers/admin/instances_controller.rb
index d4f201807..b47b18f8e 100644
--- a/app/controllers/admin/instances_controller.rb
+++ b/app/controllers/admin/instances_controller.rb
@@ -21,6 +21,8 @@ module Admin
       @blocks_count    = Block.where(target_account: Account.where(domain: params[:id])).count
       @available       = DeliveryFailureTracker.available?(Account.select(:shared_inbox_url).where(domain: params[:id]).first&.shared_inbox_url)
       @media_storage   = MediaAttachment.where(account: Account.where(domain: params[:id])).sum(:file_file_size)
+      @private_comment = @domain_block&.private_comment
+      @public_comment  = @domain_block&.public_comment
     end
 
     private
diff --git a/app/models/domain_block.rb b/app/models/domain_block.rb
index 25d3b87ef..3f5b9f23e 100644
--- a/app/models/domain_block.rb
+++ b/app/models/domain_block.rb
@@ -3,13 +3,15 @@
 #
 # Table name: domain_blocks
 #
-#  id             :bigint(8)        not null, primary key
-#  domain         :string           default(""), not null
-#  created_at     :datetime         not null
-#  updated_at     :datetime         not null
-#  severity       :integer          default("silence")
-#  reject_media   :boolean          default(FALSE), not null
-#  reject_reports :boolean          default(FALSE), not null
+#  id              :bigint(8)        not null, primary key
+#  domain          :string           default(""), not null
+#  created_at      :datetime         not null
+#  updated_at      :datetime         not null
+#  severity        :integer          default("silence")
+#  reject_media    :boolean          default(FALSE), not null
+#  reject_reports  :boolean          default(FALSE), not null
+#  private_comment :text
+#  public_comment  :text
 #
 
 class DomainBlock < ApplicationRecord
diff --git a/app/services/block_domain_service.rb b/app/services/block_domain_service.rb
index c5e5e5761..0ec6be503 100644
--- a/app/services/block_domain_service.rb
+++ b/app/services/block_domain_service.rb
@@ -3,13 +3,22 @@
 class BlockDomainService < BaseService
   attr_reader :domain_block
 
-  def call(domain_block)
+  def call(domain_block, update = false)
     @domain_block = domain_block
     process_domain_block!
+    process_retroactive_updates! if update
   end
 
   private
 
+  def process_retroactive_updates!
+    # If the domain block severity has been changed, undo the appropriate limitations
+    scope = Account.by_domain_and_subdomains(domain_block.domain)
+
+    scope.where(silenced_at: domain_block.created_at).in_batches.update_all(silenced_at: nil) unless domain_block.silence?
+    scope.where(suspended_at: domain_block.created_at).in_batches.update_all(suspended_at: nil) unless domain_block.suspend?
+  end
+
   def process_domain_block!
     clear_media! if domain_block.reject_media?
 
diff --git a/app/services/unblock_domain_service.rb b/app/services/unblock_domain_service.rb
index fc262a50a..d502d9e49 100644
--- a/app/services/unblock_domain_service.rb
+++ b/app/services/unblock_domain_service.rb
@@ -10,24 +10,9 @@ class UnblockDomainService < BaseService
   end
 
   def process_retroactive_updates
-    blocked_accounts.in_batches.update_all(update_options) unless domain_block.noop?
-  end
-
-  def blocked_accounts
     scope = Account.by_domain_and_subdomains(domain_block.domain)
 
-    if domain_block.silence?
-      scope.where(silenced_at: @domain_block.created_at)
-    else
-      scope.where(suspended_at: @domain_block.created_at)
-    end
-  end
-
-  def update_options
-    { domain_block_impact => nil }
-  end
-
-  def domain_block_impact
-    domain_block.silence? ? :silenced_at : :suspended_at
+    scope.where(silenced_at: domain_block.created_at).in_batches.update_all(silenced_at: nil) unless domain_block.noop?
+    scope.where(suspended_at: domain_block.created_at).in_batches.update_all(suspended_at: nil) if domain_block.suspend?
   end
 end
diff --git a/app/views/admin/accounts/show.html.haml b/app/views/admin/accounts/show.html.haml
index 7494c9fa2..59babd3b0 100644
--- a/app/views/admin/accounts/show.html.haml
+++ b/app/views/admin/accounts/show.html.haml
@@ -174,7 +174,7 @@
 
       - unless @account.local?
         - if DomainBlock.where(domain: @account.domain).exists?
-          = link_to t('admin.domain_blocks.undo'), admin_instance_path(@account.domain), class: 'button'
+          = link_to t('admin.domain_blocks.view'), admin_instance_path(@account.domain), class: 'button'
         - else
           = link_to t('admin.domain_blocks.add_new'), new_admin_domain_block_path(_domain: @account.domain), class: 'button button--destructive'
 
diff --git a/app/views/admin/domain_blocks/edit.html.haml b/app/views/admin/domain_blocks/edit.html.haml
new file mode 100644
index 000000000..29e47ef3b
--- /dev/null
+++ b/app/views/admin/domain_blocks/edit.html.haml
@@ -0,0 +1,30 @@
+- content_for :header_tags do
+  = javascript_pack_tag 'admin', integrity: true, async: true, crossorigin: 'anonymous'
+
+- content_for :page_title do
+  = t('admin.domain_blocks.edit')
+
+= simple_form_for @domain_block, url: admin_domain_block_path(@domain_block), method: :put do |f|
+  = render 'shared/error_messages', object: @domain_block
+
+  .fields-row
+    .fields-row__column.fields-row__column-6.fields-group
+      = f.input :domain, wrapper: :with_label, label: t('admin.domain_blocks.domain'), hint: t('admin.domain_blocks.new.hint'), required: true, readonly: true, disabled: true
+
+    .fields-row__column.fields-row__column-6.fields-group
+      = f.input :severity, collection: DomainBlock.severities.keys, wrapper: :with_label, include_blank: false, label_method: lambda { |type| t("admin.domain_blocks.new.severity.#{type}") }, hint: t('admin.domain_blocks.new.severity.desc_html')
+
+  .fields-group
+    = f.input :reject_media, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_media'), hint: I18n.t('admin.domain_blocks.reject_media_hint')
+
+  .fields-group
+    = f.input :reject_reports, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_reports'), hint: I18n.t('admin.domain_blocks.reject_reports_hint')
+
+  .field-group
+    = f.input :private_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.private_comment'), hint: t('admin.domain_blocks.private_comment_hint'), rows: 6
+
+  .field-group
+    = f.input :public_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.public_comment'), hint: t('admin.domain_blocks.public_comment_hint'), rows: 6
+
+  .actions
+    = f.button :button, t('generic.save_changes'), type: :submit
diff --git a/app/views/admin/domain_blocks/new.html.haml b/app/views/admin/domain_blocks/new.html.haml
index 055d2fbd7..ed1581936 100644
--- a/app/views/admin/domain_blocks/new.html.haml
+++ b/app/views/admin/domain_blocks/new.html.haml
@@ -20,5 +20,11 @@
   .fields-group
     = f.input :reject_reports, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_reports'), hint: I18n.t('admin.domain_blocks.reject_reports_hint')
 
+  .field-group
+    = f.input :private_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.private_comment'), hint: t('admin.domain_blocks.private_comment_hint'), rows: 6
+
+  .field-group
+    = f.input :public_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.public_comment'), hint: t('admin.domain_blocks.public_comment_hint'), rows: 6
+
   .actions
     = f.button :button, t('.create'), type: :submit
diff --git a/app/views/admin/domain_blocks/show.html.haml b/app/views/admin/domain_blocks/show.html.haml
index dca4dbac7..e64aaa629 100644
--- a/app/views/admin/domain_blocks/show.html.haml
+++ b/app/views/admin/domain_blocks/show.html.haml
@@ -1,6 +1,18 @@
 - content_for :page_title do
   = t('admin.domain_blocks.show.title', domain: @domain_block.domain)
 
+- if @domain_block.private_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@domain_block.private_comment))
+    .speech-bubble__owner= t 'admin.instances.private_comment'
+
+- if @domain_block.public_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@domain_block.public_comment))
+    .speech-bubble__owner= t 'admin.instances.public_comment'
+
 = simple_form_for @domain_block, url: admin_domain_block_path(@domain_block), method: :delete do |f|
 
   - unless (@domain_block.noop?)
diff --git a/app/views/admin/instances/show.html.haml b/app/views/admin/instances/show.html.haml
index fbb49ba02..294c9495d 100644
--- a/app/views/admin/instances/show.html.haml
+++ b/app/views/admin/instances/show.html.haml
@@ -31,6 +31,18 @@
           = fa_icon 'times'
       .dashboard__counters__label= t 'admin.instances.delivery_available'
 
+- if @private_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@private_comment))
+    .speech-bubble__owner= t 'admin.instances.private_comment'
+
+- if @public_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@public_comment))
+    .speech-bubble__owner= t 'admin.instances.public_comment'
+
 %hr.spacer/
 
 %div{ style: 'overflow: hidden' }
@@ -41,6 +53,7 @@
     - if @domain_allow
       = link_to t('admin.domain_allows.undo'), admin_domain_allow_path(@domain_allow), class: 'button button--destructive', data: { confirm: t('admin.accounts.are_you_sure'), method: :delete }
     - elsif @domain_block
+      = link_to t('admin.domain_blocks.edit'), edit_admin_domain_block_path(@domain_block), class: 'button'
       = link_to t('admin.domain_blocks.undo'), admin_domain_block_path(@domain_block), class: 'button'
     - else
       = link_to t('admin.domain_blocks.add_new'), new_admin_domain_block_path(_domain: @instance.domain), class: 'button'
diff --git a/app/workers/domain_block_worker.rb b/app/workers/domain_block_worker.rb
index 884477829..35518d6b5 100644
--- a/app/workers/domain_block_worker.rb
+++ b/app/workers/domain_block_worker.rb
@@ -3,8 +3,8 @@
 class DomainBlockWorker
   include Sidekiq::Worker
 
-  def perform(domain_block_id)
-    BlockDomainService.new.call(DomainBlock.find(domain_block_id))
+  def perform(domain_block_id, update = false)
+    BlockDomainService.new.call(DomainBlock.find(domain_block_id), update)
   rescue ActiveRecord::RecordNotFound
     true
   end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 17ff24726..b677a6651 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -284,6 +284,7 @@ en:
       created_msg: Domain block is now being processed
       destroyed_msg: Domain block has been undone
       domain: Domain
+      edit: Edit domain block
       existing_domain_block_html: You have already imposed stricter limits on %{name}, you need to <a href="%{unblock_url}">unblock it</a> first.
       new:
         create: Create block
@@ -294,6 +295,10 @@ en:
           silence: Silence
           suspend: Suspend
         title: New domain block
+      private_comment: Private comment
+      private_comment_hint: Comment about this domain limitation for internal use by the moderators.
+      public_comment: Public comment
+      public_comment_hint: Comment about this domain limitation for the general public, if advertising the list of domain limitations is enabled.
       reject_media: Reject media files
       reject_media_hint: Removes locally stored media files and refuses to download any in the future. Irrelevant for suspensions
       reject_reports: Reject reports
@@ -313,6 +318,7 @@ en:
         title: Undo domain block for %{domain}
         undo: Undo
       undo: Undo domain block
+      view: View domain block
     email_domain_blocks:
       add_new: Add new
       created_msg: Successfully added e-mail domain to blacklist
@@ -336,6 +342,8 @@ en:
         all: All
         limited: Limited
         title: Moderation
+      private_comment: Private comment
+      public_comment: Public comment
       title: Federation
       total_blocked_by_us: Blocked by us
       total_followed_by_them: Followed by them
diff --git a/config/routes.rb b/config/routes.rb
index 60f7d2e05..9c33b8190 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -155,7 +155,11 @@ Rails.application.routes.draw do
     get '/dashboard', to: 'dashboard#index'
 
     resources :domain_allows, only: [:new, :create, :show, :destroy]
-    resources :domain_blocks, only: [:new, :create, :show, :destroy]
+    resources :domain_blocks, only: [:new, :create, :show, :destroy, :update] do
+      member do
+        get :edit
+      end
+    end
     resources :email_domain_blocks, only: [:index, :new, :create, :destroy]
     resources :action_logs, only: [:index]
     resources :warning_presets, except: [:new]
diff --git a/db/migrate/20190807135426_add_comments_to_domain_blocks.rb b/db/migrate/20190807135426_add_comments_to_domain_blocks.rb
new file mode 100644
index 000000000..b660a71ad
--- /dev/null
+++ b/db/migrate/20190807135426_add_comments_to_domain_blocks.rb
@@ -0,0 +1,7 @@
+class AddCommentsToDomainBlocks < ActiveRecord::Migration[5.2]
+  def change
+    add_column :domain_blocks, :private_comment, :text
+    add_column :domain_blocks, :public_comment, :text
+  end
+end
+
diff --git a/db/schema.rb b/db/schema.rb
index d1b6825b4..f8fc6a821 100644
--- a/db/schema.rb
+++ b/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: 2019_08_05_123746) do
+ActiveRecord::Schema.define(version: 2019_08_07_135426) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -259,6 +259,8 @@ ActiveRecord::Schema.define(version: 2019_08_05_123746) do
     t.integer "severity", default: 0
     t.boolean "reject_media", default: false, null: false
     t.boolean "reject_reports", default: false, null: false
+    t.text "private_comment"
+    t.text "public_comment"
     t.index ["domain"], name: "index_domain_blocks_on_domain", unique: true
   end
 
diff --git a/spec/services/unblock_domain_service_spec.rb b/spec/services/unblock_domain_service_spec.rb
index 619aefb5c..27dbc92ad 100644
--- a/spec/services/unblock_domain_service_spec.rb
+++ b/spec/services/unblock_domain_service_spec.rb
@@ -31,7 +31,7 @@ describe UnblockDomainService, type: :service do
       subject.call(@domain_block)
       expect_deleted_domain_block
       expect(@suspended.reload.suspended?).to be false
-      expect(@silenced.reload.silenced?).to be true
+      expect(@silenced.reload.silenced?).to be false
       expect(@independently_suspended.reload.suspended?).to be true
       expect(@independently_silenced.reload.silenced?).to be true
     end
diff --git a/spec/workers/domain_block_worker_spec.rb b/spec/workers/domain_block_worker_spec.rb
index c4138501f..48b3e38c4 100644
--- a/spec/workers/domain_block_worker_spec.rb
+++ b/spec/workers/domain_block_worker_spec.rb
@@ -14,7 +14,7 @@ describe DomainBlockWorker do
       result = subject.perform(domain_block.id)
 
       expect(result).to be_nil
-      expect(service).to have_received(:call).with(domain_block)
+      expect(service).to have_received(:call).with(domain_block, false)
     end
 
     it 'calls domain block service for relevant domain block' do