forgeplus/app/queries/projects/list_query.rb

class Projects::ListQuery < ApplicationQuery
  include CustomSortable

  attr_reader :params

  sort_columns :updated_on, :created_on, :forked_count, :praises_count, default_by: :updated_on, default_direction: :desc

  def initialize(params)
    @params = params
  end

  def call
    projects = Project.visible
    scope = projects.includes(:project_category, :project_language).like(params[:search])
      .with_project_type(params[:project_type])
      .with_project_category(params[:category_id])
      .with_project_language(params[:language_id])
    scope_ids = scope.select(:id,:user_id).no_anomory_projects.distinct.pluck(:id)

    sort = params[:sort_by] || "updated_on"
    sort_direction = params[:sort_direction] || "desc"
    projects.where(id: scope_ids).includes(:project_category, :project_language, :repository, owner: :user_extension).reorder("projects.#{sort} #{sort_direction}")
  end
end