modify trainings

app/controllers/trainings_controller.rb

@@ -38,12 +38,6 @@ class TrainingsController < ApplicationController
   def pay
     @training = current_training
 
-    # 防止重复支付，对于已支付过的，不应该再到这个页来
-    if @training.payed?
-      redirect_to result_training_path(id: friendly_id)
-      return
-    end
-
     if @training.training_payinfo.blank?
       @training.build_training_payinfo
       @training.training_payinfo.fee = @training.registration_fee
@@ -126,27 +120,25 @@ class TrainingsController < ApplicationController
     training_info = @training.training_payinfo || @training.build_training_payinfo
     training_info.assign_attributes(params)
 
-    # 已支付不能修改人数
-    if training_info.not_payed?
-      training_info.num = params[:enlistNum].to_i < 1 ? 1 : params[:enlistNum].to_i
-      training_info.fee = @training.registration_fee(training_info.num)
-    end
-
     ActiveRecord::Base.transaction do
       if training_info.pay_type.to_i == TrainingPayinfo::PayType_bank
         attachment = nil
         attachment = Attachment.create!(file: params[:image], author: User.first) if params[:image]
 
-        if attachment.blank?
+        if attachment.blank? && training_info.not_payed?
           flash[:message] = '请先上传支付凭证'
           render 'pay'
           return
         end
 
-        training_info.attachment = attachment
+        training_info.attachment = attachment if attachment.present?
       end
 
       if training_info.not_payed?
+        # 已支付不能修改人数
+        training_info.num = params[:enlistNum].to_i < 1 ? 1 : params[:enlistNum].to_i
+        training_info.fee = @training.registration_fee(training_info.num)
+
         if training_info.pay_type.to_i == TrainingPayinfo::PayType_Wechat
           training_info.status = TrainingPayinfo::Status_None
         else
@@ -156,7 +148,7 @@ class TrainingsController < ApplicationController
 
       training_info.save!
 
-      if params[:js] == 'true'
+      if params[:js] == 'true' && training_info.not_payed?
         Rails.logger.info("### start wechat pay => fee: #{training_info.fee}")
         _pay_js(training_info.fee)
       else

app/views/trainings/pay.html.erb

@@ -77,6 +77,7 @@
         <span class="fl red mr5 font-16">￥<span id="enlistM"><%= @training.training_payinfo.fee || @training.registration_fee %></span></span>
         <span class="lastPrice"></span>
         <span class="fr font-16">
+          <% if @training.training_payinfo.not_payed? %>
             <a href="javascript:void(0)" class="minusNum" onclick="minusNum(this)">
               <i class="iconfont icon-default sky_blue font-18"></i>
             </a>
@@ -84,13 +85,16 @@
             <a href="javascript:void(0)" class="plusNum" onclick="plusNum(this)">
               <i class="iconfont icon-roundaddfill blue font-18"></i>
             </a>
+          <% else %>
+            <span class="mr5 ml5 font-14"><span id="enlistN"><%= @training.training_payinfo.num || 1 %></span>人</span>
+          <% end %>
         </span>
       </p>
     </div>
     <p style="height: 44px;"></p>
     <div class="bottomBtn <%= @training.training_payinfo.pay_type.to_i == 1 ? "none" : "" %>" id="offlinePaySubmitBtn">
       <a href="<%= training_path(id: @friendly_id, disable_redirect: true) %>" class="leftbtn">返回</a>
-      <a href="javascript:void(0)" class="rightbtn" id="submitFormBtn">完成转账</a>
+      <a href="javascript:void(0)" class="rightbtn" id="submitFormBtn"><%= @training.training_payinfo.new_record? ? '完成转账' : '提交' %></a>
     </div>
 
     <div class="bottomBtn <%= @training.training_payinfo.pay_type.to_i == 1 ? "" : "none" %>" id="paySubmitBtn">
@@ -244,11 +248,13 @@
         $('#submitFormBtn').on('click', function () {
           if(!checkBillInfo()){ return; }
 
+          <% if @training.training_payinfo.not_payed? %>
             var image = $("input[name='image']").val()
             if (!image || image.length < 0) {
               alert('请先上传支付凭证');
               return;
             }
+          <% end %>
           $('form').submit();
         });
 

app/views/trainings/result.html.erb

@@ -105,7 +105,7 @@
       <%= link_to "返回", training_path(id: @friendly_id, disable_redirect: true), class: 'leftbtn' %>
       <a href="javascript:void(0)" class="rightbtn" id="wechatPayBtn">立即支付</a>
     <% else%>
-      <%= link_to "返回", training_path(id: @friendly_id, disable_redirect: true), class: 'rightbtn', style: 'width: 100%' %>
+      <%= link_to "返回", pay_training_path(id: @friendly_id, disable_redirect: true), class: 'rightbtn', style: 'width: 100%' %>
     <% end %>
   </div>
 </div>