Organize coverage dirs (#1695)

* Add `Presenters` group to SimpleCov configuration

* Move validators to app/validators, add to simplecov config

app/lib/email_validator.rb

@@ -1,31 +0,0 @@
-# frozen_string_literal: true
-
-class EmailValidator < ActiveModel::EachValidator
-  def validate_each(record, attribute, value)
-    record.errors.add(attribute, I18n.t('users.invalid_email')) if blocked_email?(value)
-  end
-
-  private
-
-  def blocked_email?(value)
-    on_blacklist?(value) || not_on_whitelist?(value)
-  end
-
-  def on_blacklist?(value)
-    return false if Rails.configuration.x.email_domains_blacklist.blank?
-
-    domains = Rails.configuration.x.email_domains_blacklist.gsub('.', '\.')
-    regexp  = Regexp.new("@(.+\\.)?(#{domains})", true)
-
-    value =~ regexp
-  end
-
-  def not_on_whitelist?(value)
-    return false if Rails.configuration.x.email_domains_whitelist.blank?
-
-    domains = Rails.configuration.x.email_domains_whitelist.gsub('.', '\.')
-    regexp  = Regexp.new("@(.+\\.)?(#{domains})", true)
-
-    value !~ regexp
-  end
-end

app/lib/status_length_validator.rb

@@ -1,10 +0,0 @@
-# frozen_string_literal: true
-
-class StatusLengthValidator < ActiveModel::Validator
-  MAX_CHARS = 500
-
-  def validate(status)
-    return unless status.local? && !status.reblog?
-    status.errors.add(:text, I18n.t('statuses.over_character_limit', max: MAX_CHARS)) if [status.text, status.spoiler_text].join.length > MAX_CHARS
-  end
-end

app/lib/url_validator.rb

@@ -1,14 +0,0 @@
-# frozen_string_literal: true
-
-class UrlValidator < ActiveModel::EachValidator
-  def validate_each(record, attribute, value)
-    record.errors.add(attribute, I18n.t('applications.invalid_url')) unless compliant?(value)
-  end
-
-  private
-
-  def compliant?(url)
-    parsed_url = Addressable::URI.parse(url)
-    !parsed_url.nil? && %w(http https).include?(parsed_url.scheme) && parsed_url.host
-  end
-end