lib/alerts/ga_nomination_monitor.rb
# frozen_string_literal: true
require_dependency "#{Rails.root}/lib/importers/category_importer"
# This class identifies articles that have been nominated
# for the Good Article process on English Wikipedia
class GANominationMonitor
def self.create_alerts_for_course_articles
new.create_alerts_from_page_titles
end
def initialize
@wiki = Wiki.find_by(language: 'en', project: 'wikipedia')
find_pending_ga_nominations
extract_page_titles_from_nominations
normalize_titles
end
def create_alerts_from_page_titles
course_articles = ArticlesCourses.joins(:article)
.where(articles: { title: @page_titles, wiki_id: @wiki.id })
course_articles.each do |articles_course|
create_alert(articles_course)
end
end
private
GA_CATEGORY = 'Category:Good article nominees'
GA_CATEGORY_DEPTH = 0
def find_pending_ga_nominations
@ga_titles = CategoryImporter.new(@wiki)
.page_titles_for_category(GA_CATEGORY, GA_CATEGORY_DEPTH)
end
def extract_page_titles_from_nominations
@ga_article_titles = @ga_titles.map do |ga_title|
ga_title[/Talk:(.*)/, 1]
end
end
def normalize_titles
@page_titles = @ga_article_titles.map do |title|
next if title.blank?
title.tr(' ', '_')
end
@page_titles.compact!
@page_titles.uniq!
end
def create_alert(articles_course)
return if alert_already_exists?(articles_course)
first_revision = articles_course
.course.revisions.where(article_id: articles_course.article_id).first
alert = Alert.create!(type: 'GANominationAlert',
article_id: articles_course.article_id,
user_id: first_revision&.user_id,
course_id: articles_course.course_id,
revision_id: first_revision&.id)
alert.email_content_expert
end
def alert_already_exists?(articles_course)
Alert.exists?(article_id: articles_course.article_id,
course_id: articles_course.course_id,
type: 'GANominationAlert',
resolved: false)
end
end