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award_streak.rb
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award_streak.rb
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module Badges
class AwardStreak
LONGEST_STREAK_WEEKS = 16
MINIMUM_QUALITY = -25
def self.call(weeks:)
new(weeks: weeks).call
end
def initialize(weeks:)
@weeks = weeks
end
def call
badge_slug = "#{weeks}-week-streak"
return unless (badge_id = Badge.id_for_slug(badge_slug))
users = User.where(id: article_user_ids).where("articles_count >= ?", weeks)
users.find_each do |user|
count = weeks.times.count { |i| published_x_weeks_ago?(user, i + 1) }
next unless count >= weeks
user.badge_achievements.create(
badge_id: badge_id,
rewarding_context_message_markdown: generate_message,
)
end
end
private
attr_reader :weeks
# No credit for super low quality
def article_user_ids
Article.published
.where("published_at > ? AND score > ?", 1.week.ago, MINIMUM_QUALITY)
.pluck(:user_id)
end
def published_x_weeks_ago?(user, num)
user.articles.published
.where("published_at > ? AND published_at < ?", num.weeks.ago, (num - 1).weeks.ago).any?
end
def generate_message
return I18n.t("services.badges.award_streak.longest") if weeks == LONGEST_STREAK_WEEKS
I18n.t("services.badges.award_streak.message", count: weeks * 2)
end
end
end