homeClass add sub_title&count

app/service/course/v5/institution.js

@@ -362,6 +362,10 @@ class InstitutionSubService extends Service {
     let institutionList = await ctx.classModel.V5.CourseV5Institution.findAll({ where: { id: { $in: _.uniq(R.pluck('institution_id', classList)) } }, attributes: [ 'id', 'name', 'logo' ] });
     institutionList = _.groupBy(institutionList, 'id');
 
+    // 订单总数
+    const orderCount = await ctx.classModel.V5.CourseUserOrder.findAll({ where: { class_id: { $in: _.uniq(R.pluck('id', classList)) }, status: 1, is_deleted: 0 } });
+    const classOrder = _.groupBy(orderCount, 'class_id');
+
     for (const i in classList) {
       const classCategoryList = [];
       if (!ctx.isEmpty(classToCategory[classList[i].id])) {
@@ -379,6 +383,7 @@ class InstitutionSubService extends Service {
       classList[i].category = classCategoryList;
       classList[i].institution_name = ctx.isEmpty(institutionList[classList[i].institution_id]) ? '' : institutionList[classList[i].institution_id][0].name;
       classList[i].institution_logo = ctx.isEmpty(institutionList[classList[i].institution_id]) ? '' : institutionList[classList[i].institution_id][0].logo;
+      classList[i].pay_count = ctx.isEmpty(classOrder[classList[i].id]) ? classList[i].pay_count : classList[i].pay_count + classOrder[classList[i].id].length;
     }
 
     return classList;
@@ -524,7 +529,7 @@ class InstitutionSubService extends Service {
   async getHomeClassList(input) {
     const { ctx } = this;
     const cat_id = Number(input.cat_id) || 0;
-    const attributes = [ 'id', 'institution_id', 'name', 'logo', 'age', 'price', 'price_type', 'mode', 'time', 'class_amount', 'multi_classes', 'cycle', 'description', 'sort' ];
+    const attributes = [ 'id', 'institution_id', 'name', 'logo', 'age', 'price', 'price_type', 'mode', 'time', 'class_amount', 'multi_classes', 'cycle', 'description', 'sort', 'sub_title', 'pay_count' ];
 
     const results = [];
     let classList = [];