classList add institution_name & category

app/service/course/v5/institution.js

@@ -15,7 +15,7 @@ class InstitutionSubService extends Service {
     const page_size = Number(input.page_size) || 10;
     const offset = (page - 1) * page_size;
     const attributes = [ 'id', 'institution_id', 'name', 'logo', 'age', 'price', 'price_type', 'mode', 'time', 'class_amount', 'multi_classes', 'cycle', 'description', 'sort' ];
-    const filter = { where: { status: 1, is_deleted: 0 }, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], page_size, offset, attributes };
+    const filter = { where: { status: 1, is_deleted: 0 }, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], page_size, offset, attributes, raw: true };
     let filterIds = [];
     let flag = false;
     // 年龄筛选
@@ -43,6 +43,9 @@ class InstitutionSubService extends Service {
     }
 
     const classList = await ctx.classModel.V5.CourseV5Class.findAndCountAll(filter);
+    if (classList.count === 0) {
+      return { list: [], total_count: 0, page, page_size };
+    }
 
     // 用户收藏的课程
     const userCollection = await ctx.classModel.V5.CourseUserCollection.findAll({ where: { user_uuid: ctx.userUuid, is_deleted: 0, type: 3 }, raw: true });
@@ -51,6 +54,32 @@ class InstitutionSubService extends Service {
       classList.rows[i].is_collected = collectedIds.includes(classList.rows[i].id) ? 1 : 0;
     }
 
+    // 获取课程类型
+    let classToCategory = await ctx.classModel.V5.CourseV5ClassToCat.findAll({ where: { class_id: { $in: R.pluck('id', classList.rows) } }, attributes: [ 'cat_id', 'class_id' ] });
+    let categoryList = await ctx.classModel.V5.CourseV5Category.findAll({ where: { id: { $in: R.pluck('cat_id', classToCategory) } }, attributes: [ 'id', 'name' ] });
+    classToCategory = _.groupBy(classToCategory, 'class_id');
+    categoryList = _.groupBy(categoryList, 'id');
+
+    // 获取机构
+    let institutionList = await ctx.classModel.V5.CourseV5Institution.findAll({ where: { id: { $in: R.pluck('institution_id', classList.rows) } }, attributes: [ 'id', 'name' ] });
+    institutionList = _.groupBy(institutionList, 'id');
+
+    for (const i in classList.rows) {
+      const classCategoryList = [];
+      if (!ctx.isEmpty(classToCategory[classList.rows[i].id])) {
+        for (const j of classToCategory[classList.rows[i].id]) {
+          if (!ctx.isEmpty(categoryList[j.cat_id])) {
+            classCategoryList.push({
+              id: j.cat_id,
+              name: categoryList[j.cat_id][0].name,
+            });
+          }
+        }
+      }
+      classList.rows[i].category = classCategoryList;
+      classList.rows[i].institution_name = ctx.isEmpty(institutionList[classList.rows[i].institution_id]) ? '' : institutionList[classList.rows[i].institution_id][0].name;
+    }
+
     const ret = {
       list: classList.rows,
       total_count: classList.count,