code example: ruby on rails

readme.md

Content website, 2014–2016

ruby on rails, haml, sass, coffescript, jquery

dokku/docker -> ansible + capistrano

ankor-course.rb

class Course < ActiveRecord::Base
  include FriendlyId
  include Bootsy::Container

  validates :title, :publicated_at, presence: true
  before_validation :set_publicated_at

  has_and_belongs_to_many :cities

  belongs_to :language
  belongs_to :lead_form

  has_many :custom_properties, as: :entity, dependent: :destroy

  accepts_nested_attributes_for :custom_properties, allow_destroy: true

  friendly_id :title, use: [:slugged, :finders, :history]
  mount_uploader :image, CourseImageUploader
  #paginates_per 10

  scope :active, -> { where("publicated_at <= ? AND active = ?", "#{Time.zone.now}", true).order('position ASC') }
  scope :is_navigation, -> { where(is_navigation: true) }
  scope :active_with_languages, -> { active.where("language_id is not null") }

  scope :by_city, -> (city) { joins(:cities).where('city_id = ?', city.id) }

  def active?
    publicated_at < Time.zone.now && active == true
  end

  def to_s
    "#{title}"
  end

  def ordered_properties
    self.custom_properties.order('position ASC')
  end

  def should_generate_new_friendly_id?
    title_changed? or slug.nil? or slug.blank?
  end

  def normalize_friendly_id(input)
    input.to_s.to_slug.normalize(transliterations: :russian).to_s
  end

  private

  def set_publicated_at
    self.publicated_at = Time.zone.now unless publicated_at.present?
  end

end

lead-form.js.coffee

window.LeadForm ||= {}

((app) ->
  $(document).ready ->
    $findFormBtn = $('@landing-teaser--find-form-btn')
    $formBlock = $('@landing-teaser--form-block')
    $form = $formBlock.find('[role*="landing-teaser--form"]')
    $formEl = $formBlock.find('[role*="landing-teaser--form-element"]')
    $submitBtn = $formBlock.find('[role*="landing-teaser--form-submit-btn"]')
    $errorBlock = $formBlock.find('[role*="landing-teaser--form-error"]')
    $successBlock = $formBlock.find('[role*="landing-teaser--form-success"]')
    $findFormBtn.on 'click', (e) ->
      formTop = $formBlock.offset().top - $formBlock.height()/2
      $('body').animate({
        scrollTop: formTop
      }, 300)
    $formEl
      .on 'ajax:beforeSend', (e) ->
        goal_code = $(@).data 'goal_code'
        ya_params =
          goal_code: goal_code
        if ga?
          ga 'send', 'event', 'lead_form', goal_code
        if yaCounter9611713?
          yaCounter9611713.reachGoal "LEAD_FORM", ya_params
      .on 'ajax:success', (e, data, status, xhr) ->
        handleSuccess $form, $successBlock, $errorBlock
      .on 'ajax:error', (e, data, status, xhr) ->
        handleError $form, $successBlock, $errorBlock

  handleError = ($form, $successBlock, $errorBlock) ->
    $successBlock.removeClass('animated fadeIn').addClass('animated fadeOut hide')
    $errorBlock.removeClass('animated fadeOut hide').addClass('animated fadeIn')
    #$form.addClass('animated fadeOut hide')

  handleSuccess = ($form, $successBlock, $errorBlock) ->
    $errorBlock.removeClass('animated fadeIn').addClass('animated fadeOut hide')
    $form.addClass('animated fadeOut hide')
    $successBlock.removeClass('animated fadeOut hide').addClass('animated fadeIn')

)(window.LeadForm ||= {})