discourse/app/models/concerns/reports/posts.rb

# frozen_string_literal: true

module Reports::Posts
  extend ActiveSupport::Concern

  class_methods do
    def report_posts(report)
      report.modes = [:table, :chart]

      category_id, include_subcategories = report.add_category_filter

      basic_report_about report, Post, :public_posts_count_per_day, report.start_date, report.end_date, category_id, include_subcategories

      countable = Post.public_posts.where(post_type: Post.types[:regular])
      if category_id
        if include_subcategories
          countable = countable.joins(:topic).where('topics.category_id IN (?)', Category.subcategory_ids(category_id))
        else
          countable = countable.joins(:topic).where('topics.category_id = ?', category_id)
        end
      end

      add_counts report, countable, 'posts.created_at'
    end
  end
end