forgeplus/app/queries/weapps/subject_query.rb

37 lines
1.3 KiB
Ruby

class Weapps::SubjectQuery < ApplicationQuery
include CustomSortable
attr_reader :params
def initialize(current_laboratory, params)
@current_laboratory = current_laboratory
@params = params
end
def call
subjects = @current_laboratory.subjects.unhidden.publiced.show_moblied
# 课程体系的过滤
if params[:sub_discipline_id].present?
subjects = subjects.joins(:sub_disciplines).where(sub_disciplines: {id: params[:sub_discipline_id]})
elsif params[:discipline_id].present?
subjects = subjects.joins(:sub_disciplines).where(sub_disciplines: {discipline_id: params[:discipline_id]})
else
subjects = subjects.joins(:sub_discipline_containers).where(sub_discipline_containers: {container_type: "Subject"})
end
subjects = subjects.left_joins(:shixuns).select('subjects.id, subjects.name, subjects.excellent, subjects.stages_count, subjects.status, subjects.homepage_show,
subjects.shixuns_count, subjects.updated_at, IFNULL(sum(shixuns.myshixuns_count), 0) myshixuns_count')
.group('subjects.id').order("subjects.homepage_show #{sort_type}, #{order_type} #{sort_type}")
subjects
end
private
def order_type
params[:order] || "updated_at"
end
def sort_type
params[:sort] || "desc"
end
end