e45536af37
* app/models etc i18n * delete ja.yml * fix for PR review * fix for spec * delete ja.yml * fix for spec updated
86 lines
2.5 KiB
Ruby
86 lines
2.5 KiB
Ruby
class HtmlVariant < ApplicationRecord
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resourcify
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GROUP_NAMES = %w[article_show_below_article_cta badge_landing_page campaign].freeze
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belongs_to :user, optional: true
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has_many :html_variant_successes, dependent: :destroy
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has_many :html_variant_trials, dependent: :destroy
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before_validation :strip_whitespace
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validates :group, inclusion: { in: GROUP_NAMES }
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validates :html, presence: true
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validates :name, uniqueness: true
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validates :success_rate, presence: true
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validate :no_edits
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before_save :prefix_all_images
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scope :relevant, -> { where(approved: true, published: true) }
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def calculate_success_rate!
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# x10 because we only capture every 10th
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self.success_rate = html_variant_successes.size.to_f / (html_variant_trials.size * 10.0)
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save!
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end
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class << self
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def find_for_test(tags = [], group = "article_show_below_article_cta")
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tags_array = tags + ["", nil]
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if rand(10) == 1 # 10% return completely random
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find_random_for_test(tags_array, group)
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else # 90% chance return one of the top posts
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find_top_for_test(tags_array, group)
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end
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end
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private
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def find_top_for_test(tags_array, group)
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where(group: group, approved: true, published: true, target_tag: tags_array)
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.order(success_rate: :desc).limit(rand(1..20)).sample
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end
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def find_random_for_test(tags_array, group)
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where(group: group, approved: true, published: true, target_tag: tags_array)
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.order(Arel.sql("RANDOM()")).first
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end
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end
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private
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def no_edits
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return if group == "campaign"
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published_and_approved = (approved && (html_changed? || name_changed? || group_changed?)) && persisted?
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errors.add(:base, I18n.t("models.html_variant.no_edits")) if published_and_approved
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end
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def prefix_all_images
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# Optimize image if not from giphy or githubusercontent.com
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doc = Nokogiri::HTML.fragment(html)
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doc.css("img").each do |img|
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src = img.attr("src")
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next unless src
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next if allowed_image_host?(src)
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img["src"] = if Giphy::Image.valid_url?(src)
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src.gsub("https://media.", "https://i.")
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else
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Images::Optimizer.call(src, width: 420).gsub(",", "%2C")
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end
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end
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self.html = doc.to_html
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end
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def allowed_image_host?(src)
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src.start_with?("https://res.cloudinary.com/") || src.start_with?(Images::Optimizer.get_imgproxy_endpoint)
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end
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def strip_whitespace
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name.strip!
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end
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end
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