按科室统计订单数量（方法）

Laravel/app/Http/Controllers/TestController.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use App\Services\OrderService;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 
@@ -9,6 +10,8 @@ class TestController extends Controller
 {
     public function DBtest(){
       echo  DB::table('users')->count();
+     // $order= new OrderService();
+    // $order->DepartmentItemCount(33);
     }
 
     public function ApiTest(){

Laravel/app/Services/OrderService.php

@@ -0,0 +1,72 @@
+<?php
+namespace App\Services;
+
+use Illuminate\Support\Facades\DB;
+
+class OrderService
+{
+
+  //订单项目按科室分类
+    public function DepartmentItemCount($id)
+    {
+        $order=DB::table('orders')->where('id',$id)->first();
+        if(!$order) return ['status'=>false,'msg'=>'订单不存在'];
+        $buy_info=json_decode($order->buy_info,true);
+        $list=[];
+        if($buy_info['combo']['id']<>0){
+          $combo_items=DB::table('combo_items')->where(['combo_id'=>$buy_info['combo']['id'],'status'=>1])->get();
+          foreach($combo_items as $item){
+            $list[]=[
+              'item_id'=>$item->item_id,
+              'keshi_name'=>$item->keshi_name,
+              'keshi_id'=>$item->keshi_id,
+            ];
+          }
+        }
+        if(count($buy_info['items'])>0){
+          $item_ids=[];
+          foreach($buy_info['items'] as $item){
+            $item_ids[]=$item['id'];
+          }
+          $itemsInfo=DB::table('items')->whereIn('item_id',$item_ids)->get();
+          foreach($itemsInfo as $item){
+            $list[]=[
+              'item_id'=>$item->item_id,
+              'keshi_name'=>$item->keshi_name,
+              'keshi_id'=>$item->keshi_id,
+            ];
+          }
+        }
+      if($buy_info['group']['id']<>''){
+        $item_ids=[];
+        foreach($buy_info['group']['items'] as $item){
+          $item_ids[]=$item['id'];
+        }
+        $itemsInfo=DB::table('items')->whereIn('item_id',$item_ids)->get();
+        foreach($itemsInfo as $item){
+          $list[]=[
+            'item_id'=>$item->item_id,
+            'keshi_name'=>$item->keshi_name,
+            'keshi_id'=>$item->keshi_id,
+          ];
+        }
+      }
+      $groupedData = [];
+      foreach ($list as $key => $item) {
+        $keshiName = $item['keshi_name'];
+        if (!isset($groupedData[$keshiName])) {
+          $groupedData[$keshiName] = [];
+        }
+        $groupedData[$keshiName][] = $item;
+      }
+      $de_list=[];
+      foreach ($groupedData as $key => $item) {
+        $de_list[]=[
+          'name'=>$key,
+          'count'=>count($item),
+        ];
+      }
+      return ['department_list'=>$de_list,'wait_day'=>"10"];
+
+    }
+}