课程体系统计

app/Http/Controllers/Admin/UserController.php

@@ -513,6 +513,28 @@ class UserController extends BaseController
                 });
             }
         })->orderBy($all['sort_name'] ?? 'id', $all['sort_type'] ?? 'desc');
+        $schoolmateCourseTypeStats = [];
+        $multiCourseTypeSchoolmateTotal = 0;
+        if (isset($all['is_schoolmate']) && (int) $all['is_schoolmate'] === 1 && empty($all['is_export'])) {
+            // 当前筛选命中的全部校友；课程体系按报名关联去重，不受列表分页影响。
+            $schoolmates = (clone $list)->reorder()->select('users.id')->toBase();
+            $registrations = CourseSign::query()
+                ->join('courses', 'courses.id', '=', 'course_signs.course_id')
+                ->join('course_types', 'course_types.id', '=', 'courses.type')
+                ->whereNull('courses.deleted_at')
+                ->whereNull('course_types.deleted_at')
+                ->whereIn('course_signs.user_id', $schoolmates);
+            $schoolmateCourseTypeStats = (clone $registrations)
+                ->select('course_types.id', 'course_types.name')
+                ->selectRaw('COUNT(DISTINCT course_signs.user_id) as total')
+                ->groupBy('course_types.id', 'course_types.name')
+                ->orderBy('course_types.id')->get()->toArray();
+            $multipleTypes = (clone $registrations)->select('course_signs.user_id')
+                ->groupBy('course_signs.user_id')
+                ->havingRaw('COUNT(DISTINCT course_types.id) >= 2');
+            $multiCourseTypeSchoolmateTotal = \Illuminate\Support\Facades\DB::query()
+                ->fromSub($multipleTypes->toBase(), 'multiple_types')->count();
+        }
         if (isset($all['is_export']) && !empty($all['is_export'])) {
             $list = $list->limit(5000)->get()->toArray();
             return Excel::download(new CommonExport($list, $all['export_fields'] ?? ''), $all['file_name'] ?? '' . date('YmdHis') . '.xlsx');
@@ -527,7 +549,7 @@ class UserController extends BaseController
             $training_total = CourseSign::courseSignsTotalByUnique(CourseType::START_DATE, date('Y-m-d'), 1);
             $list = $list->paginate($all['page_size'] ?? 20);
         }
-        return $this->success(['list' => $list, 'year_total' => $year_total, 'total' => $total, 'year_training_total' => $year_training_total, 'training_total' => $training_total]);
+        return $this->success(['list' => $list, 'year_total' => $year_total, 'total' => $total, 'year_training_total' => $year_training_total, 'training_total' => $training_total, 'schoolmate_course_type_stats' => $schoolmateCourseTypeStats, 'multi_course_type_schoolmate_total' => $multiCourseTypeSchoolmateTotal]);
     }
 
     /**