Add email subscriptions (#38163)

app/controllers/api/v1/accounts/email_subscriptions_controller.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class Api::V1::Accounts::EmailSubscriptionsController < Api::BaseController
+  before_action :set_account
+  before_action :require_feature_enabled!
+  before_action :require_account_permissions!
+
+  def create
+    @account.email_subscriptions.create!(email: params[:email], locale: I18n.locale)
+    render_empty
+  end
+
+  private
+
+  def set_account
+    @account = Account.local.find(params[:account_id])
+  end
+
+  def require_feature_enabled!
+    head 404 unless Mastodon::Feature.email_subscriptions_enabled?
+  end
+
+  def require_account_permissions!
+    head 404 if @account.unavailable? || !@account.user_can?(:manage_email_subscriptions) || !@account.user_email_subscriptions_enabled?
+  end
+end

app/controllers/email_subscriptions/confirmations_controller.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class EmailSubscriptions::ConfirmationsController < ApplicationController
+  layout 'auth'
+
+  before_action :set_email_subscription
+
+  def show
+    @email_subscription.confirm! unless @email_subscription.confirmed?
+  end
+
+  private
+
+  def set_email_subscription
+    @email_subscription = EmailSubscription.find_by!(confirmation_token: params[:confirmation_token])
+  end
+end

app/controllers/mail_subscriptions_controller.rb

@@ -1,39 +0,0 @@
-# frozen_string_literal: true
-
-class MailSubscriptionsController < ApplicationController
-  layout 'auth'
-
-  skip_before_action :require_functional!
-
-  before_action :set_user
-  before_action :set_type
-
-  protect_from_forgery with: :null_session
-
-  def show; end
-
-  def create
-    @user.settings[email_type_from_param] = false
-    @user.save!
-  end
-
-  private
-
-  def set_user
-    @user = GlobalID::Locator.locate_signed(params[:token], for: 'unsubscribe')
-    not_found unless @user
-  end
-
-  def set_type
-    @type = email_type_from_param
-  end
-
-  def email_type_from_param
-    case params[:type]
-    when 'follow', 'reblog', 'favourite', 'mention', 'follow_request'
-      "notification_emails.#{params[:type]}"
-    else
-      not_found
-    end
-  end
-end

app/controllers/settings/privacy_controller.rb

@@ -2,6 +2,7 @@
 
 class Settings::PrivacyController < Settings::BaseController
   before_action :set_account
+  before_action :set_email_subscriptions_count
 
   def show; end
 
@@ -24,4 +25,8 @@ class Settings::PrivacyController < Settings::BaseController
   def set_account
     @account = current_account
   end
+
+  def set_email_subscriptions_count
+    @email_subscriptions_count = with_read_replica { @account.email_subscriptions.confirmed.count }
+  end
 end

app/controllers/unsubscriptions_controller.rb

@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+class UnsubscriptionsController < ApplicationController
+  layout 'auth'
+
+  skip_before_action :require_functional!
+
+  before_action :set_recipient
+  before_action :set_type
+  before_action :set_scope
+  before_action :require_type_if_user!
+
+  protect_from_forgery with: :null_session
+
+  def show; end
+
+  def create
+    case @scope
+    when :user
+      @recipient.settings[@type] = false
+      @recipient.save!
+    when :email_subscription
+      @recipient.destroy!
+    end
+  end
+
+  private
+
+  def set_recipient
+    @recipient = GlobalID::Locator.locate_signed(params[:token], for: 'unsubscribe')
+    not_found unless @recipient
+  end
+
+  def set_scope
+    if @recipient.is_a?(User)
+      @scope = :user
+    elsif @recipient.is_a?(EmailSubscription)
+      @scope = :email_subscription
+    else
+      not_found
+    end
+  end
+
+  def set_type
+    @type = email_type_from_param
+  end
+
+  def require_type_if_user!
+    not_found if @recipient.is_a?(User) && @type.blank?
+  end
+
+  def email_type_from_param
+    case params[:type]
+    when 'follow', 'reblog', 'favourite', 'mention', 'follow_request'
+      "notification_emails.#{params[:type]}"
+    end
+  end
+end