完善发货流程

backend/application/api/controller/Demand.php

@@ -175,7 +175,12 @@ class Demand extends Api
                     } elseif ($item->status == 4 && $item->accept_status == 1) {
                         $button = ['name' => '前去验收', 'theme' => 'danger'];
                     } elseif ($item->status == 5 && $item->accept_status == 2) {
-                        $button = ['name' => '确认收货', 'theme' => 'danger'];
+                        //开发者发货后客户才能确认收货
+                        if ($item->hasDelivery) {
+                            $button = ['name' => '确认收货', 'theme' => 'danger'];
+                        } else {
+                            $button = ['name' => '待发货', 'theme' => 'light'];
+                        }
                     }
                 }
                 return $button;

frontend/miniapp/pages/demand/detail/index.wxml

@@ -112,5 +112,6 @@
     <t-button wx:if="{{_calc.canSignContractCustomer(demandInfo)}}" data-status="1" theme="danger" size="large" bind:tap="signContractCustomer" block>合同签约</t-button>
     <t-button wx:elif="{{_calc.canAcceptPassed(demandInfo)}}" theme="danger" size="large" bind:tap="acceptPassed" block>验收</t-button>
     <t-button wx:elif="{{_calc.canConfirmReceipt(demandInfo)}}" theme="danger" size="large" bind:tap="confirmReceipt" block>确认收货</t-button>
+    <t-button wx:elif="{{_calc.isWaitingDeliver(demandInfo)}}" theme="light" size="large" disabled block>待发货（等待开发者交付）</t-button>
   </block>
 </view>

frontend/miniapp/pages/demand/detail/index.wxs

@@ -58,10 +58,20 @@ var canAcceptPassed = function (demandInfo) {
     demandInfo.accept_status == 1;
 }
 
+// 客户确认收货：待收货且开发者已发货
 var canConfirmReceipt = function (demandInfo) {
   if (!demandInfo) return false;
   return demandInfo.status == 5 &&
-    demandInfo.accept_status == 2;
+    demandInfo.accept_status == 2 &&
+    !!getDelivery(demandInfo);
+}
+
+// 开发者尚未发货，客户等待交付中
+var isWaitingDeliver = function (demandInfo) {
+  if (!demandInfo) return false;
+  return demandInfo.status == 5 &&
+    demandInfo.accept_status == 2 &&
+    !getDelivery(demandInfo);
 }
 
 // 获取交付内容（订单发货表，后端 detail 接口挂载的 delivery 字段，未发货返回 null）
@@ -111,6 +121,7 @@ module.exports = {
   canCompleteWork: canCompleteWork,
   canAcceptPassed: canAcceptPassed,
   canConfirmReceipt: canConfirmReceipt,
+  isWaitingDeliver: isWaitingDeliver,
   getDelivery: getDelivery,
   canDeliverGoods: canDeliverGoods,
   isDelivered: isDelivered,