修改Prepare Portfolio，qty数据值为空数据上传也就为空。

RedAnt ERP Mobile/common/Functions/offline/OLDataProvider.m

@@ -10720,7 +10720,7 @@
         
     }
     
-    NSString *sqlQuery =[NSString stringWithFormat:@"select _id,product_id,name,description,item_id,fashion_id,available_qty,percentage,percent,ifnull(sheet_price,'null'),sheet_discount,img,line_note,is_delete,createtime,modify_time from offline_portfolio where %@",where];
+    NSString *sqlQuery =[NSString stringWithFormat:@"select _id,product_id,name,description,item_id,fashion_id,ifnull(available_qty,'null'),ifnull(percentage,'null'),ifnull(percent,'null'),ifnull(sheet_price,'null'),sheet_discount,img,line_note,is_delete,createtime,modify_time from offline_portfolio where %@",where];
     
     
     [ret setValue:[NSNumber numberWithInt:AP_USER_NOT_AUTH ] forKey:@"result"];
@@ -10755,15 +10755,34 @@
             price = [[self get_model_default_price:appDelegate.contact_id product_id:nil item_id:@(item_id) db:db] doubleValue];
         }
         
+        NSString *qty_null = [self textAtColumn:6 statement:stmt];
+        NSString *is_percent_null = [self textAtColumn:7 statement:stmt];
+        NSString *percent_null = [self textAtColumn:8 statement:stmt];
+        
         [item setValue:[NSNumber numberWithInteger:_id] forKey:@"_id"];
         [item setValue:[NSNumber numberWithInteger:product_id] forKey:@"product_id"];
         [item setValue:[NSNumber numberWithInteger:item_id] forKey:@"item_id"];
         [item setValue:[NSNumber numberWithInteger:fashion_id] forKey:@"fashion_id"];
-        [item setValue:[NSNumber numberWithInteger:is_percent] forKey:@"percentage"];
         [item setValue:[NSNumber numberWithInteger:is_delete] forKey:@"is_delete"];
-        [item setValue:[NSNumber numberWithInteger:qty] forKey:@"available_qty"];
         
-        [item setValue:[NSNumber numberWithDouble:percent] forKey:@"percent"];
+        if ([qty_null isEqualToString:@"null"]) {
+//            [item setValue:@"null" forKey:@"available_qty"];
+        } else {
+            [item setValue:[NSNumber numberWithInteger:qty] forKey:@"available_qty"];
+        }
+        
+        if ([is_percent_null isEqualToString:@"null"]) {
+//            [item setValue:@"null" forKey:@"percentage"];
+        } else {
+            [item setValue:[NSNumber numberWithInteger:is_percent] forKey:@"percentage"];
+        }
+        
+        if ([percent_null isEqualToString:@"null"]) {
+//            [item setValue:@"null" forKey:@"percent"];
+        } else {
+            [item setValue:[NSNumber numberWithDouble:percent] forKey:@"percent"];
+        }
+         
         [item setValue:[NSNumber numberWithDouble:price] forKey:@"sheet_price"];
         [item setValue:[NSNumber numberWithDouble:discount] forKey:@"sheet_discount"];