docbrown/app/mailers/notify_mailer.rb

class NotifyMailer < ApplicationMailer
  SUBJECTS = {
    new_follower_email: "just followed you on #{ApplicationConfig['COMMUNITY_NAME']}".freeze
  }.freeze

  def new_reply_email(comment)
    @user = comment.parent_user
    return if RateLimitChecker.new.limit_by_email_recipient_address(@user.email)

    @unsubscribe = generate_unsubscribe_token(@user.id, :email_comment_notifications)
    @comment = comment
    mail(to: @user.email, subject: "#{@comment.user.name} replied to your #{@comment.parent_type}")
  end

  def new_follower_email(follow)
    @user = follow.followable
    return if RateLimitChecker.new.limit_by_email_recipient_address(@user.email)

    @follower = follow.follower
    @unsubscribe = generate_unsubscribe_token(@user.id, :email_follower_notifications)

    mail(to: @user.email, subject: "#{@follower.name} #{SUBJECTS[__method__]}")
  end

  def new_mention_email(mention)
    @user = User.find(mention.user_id)
    return if RateLimitChecker.new.limit_by_email_recipient_address(@user.email)

    @mentioner = User.find(mention.mentionable.user_id)
    @mentionable = mention.mentionable
    @mention = mention
    @unsubscribe = generate_unsubscribe_token(@user.id, :email_mention_notifications)

    mail(to: @user.email, subject: "#{@mentioner.name} just mentioned you!")
  end

  def unread_notifications_email(user)
    @user = user
    return if RateLimitChecker.new.limit_by_email_recipient_address(@user.email)

    @unread_notifications_count = NotificationCounter.new(@user).unread_notification_count
    @unsubscribe = generate_unsubscribe_token(@user.id, :email_unread_notifications)
    subject = "🔥 You have #{@unread_notifications_count} unread notifications on #{ApplicationConfig['COMMUNITY_NAME']}"
    mail(to: @user.email, subject: subject)
  end

  def video_upload_complete_email(article)
    @article = article
    @user = @article.user
    mail(to: @user.email, subject: "Your video upload is complete")
  end

  def new_badge_email(badge_achievement)
    @badge_achievement = badge_achievement
    @user = @badge_achievement.user
    @badge = @badge_achievement.badge
    @unsubscribe = generate_unsubscribe_token(@user.id, :email_badge_notifications)
    mail(to: @user.email, subject: "You just got a badge")
  end

  def feedback_message_resolution_email(params)
    @user = User.find_by(email: params[:email_to])
    @email_body = params[:email_body]
    track utm_campaign: params[:email_type]
    track extra: { feedback_message_id: params[:feedback_message_id] }
    mail(to: params[:email_to], subject: params[:email_subject])
  end

  def user_contact_email(params)
    @user = User.find(params[:user_id])
    @email_body = params[:email_body]
    track utm_campaign: "user_contact"
    mail(to: @user.email, subject: params[:email_subject])
  end

  def new_message_email(direct_message)
    @message = direct_message
    @user = @message.direct_receiver
    subject = "#{@message.user.name} just messaged you"
    @unsubscribe = generate_unsubscribe_token(@user.id, :email_connect_messages)
    mail(to: @user.email, subject: subject)
  end

  def channel_invite_email(membership, inviter)
    @membership = membership
    @inviter = inviter
    subject = if @membership.role == "mod"
                "You are invited to the #{@membership.chat_channel.channel_name} channel as moderator."
              else
                "You are invited to the #{@membership.chat_channel.channel_name} channel."
              end
    mail(to: @membership.user.email, subject: subject)
  end

  def account_deleted_email(user)
    @name = user.name
    subject = "#{ApplicationConfig['COMMUNITY_NAME']} - Account Deletion Confirmation"
    mail(to: user.email, subject: subject)
  end

  def account_deletion_requested_email(user, token)
    @name = user.name
    @token = token
    subject = "#{ApplicationConfig['COMMUNITY_NAME']} - Account Deletion Requested"
    mail(to: user.email, subject: subject)
  end

  def export_email(user, attachment)
    @user = user
    export_filename = "devto-export-#{Date.current.iso8601}.zip"
    attachments[export_filename] = attachment
    mail(to: @user.email, subject: "The export of your content is ready")
  end

  def tag_moderator_confirmation_email(user, tag, channel_slug)
    @tag = tag
    @user = user
    @channel_slug = channel_slug
    subject = "Congrats! You're the moderator for ##{@tag.name}"
    mail(to: @user.email, subject: subject)
  end

  def trusted_role_email(user)
    @user = user
    subject = "You've been upgraded to #{ApplicationConfig['COMMUNITY_NAME']} Community mod status!"
    mail(to: @user.email, subject: subject)
  end
end