feat: 支持用户输入变量

--story=1016155 --user=刘瑞斌 【应用编排】-支持设置用户输入变量 https://www.tapd.cn/57709429/s/1576480

apps/application/serializers/application_serializers.py

@@ -694,6 +694,7 @@ def profile(self, with_valid=True):
                  'tts_model_id': application.tts_model_id,
                  'stt_model_enable': application.stt_model_enable,
                  'tts_model_enable': application.tts_model_enable,
+                 'work_flow': application.work_flow,
                  'show_source': application_access_token.show_source})
 
         @transaction.atomic
@@ -855,10 +856,15 @@ def get_work_flow_model(instance):
             nodes = instance.get('work_flow')['nodes']
             for node in nodes:
                 if node['id'] == 'base-node':
-                    instance['stt_model_id'] = node['properties']['node_data']['stt_model_id']
-                    instance['tts_model_id'] = node['properties']['node_data']['tts_model_id']
-                    instance['stt_model_enable'] = node['properties']['node_data']['stt_model_enable']
-                    instance['tts_model_enable'] = node['properties']['node_data']['tts_model_enable']
+                    node_data = node['properties']['node_data']
+                    if 'stt_model_id' in node_data:
+                        instance['stt_model_id'] = node_data['stt_model_id']
+                    if 'tts_model_id' in node_data:
+                        instance['tts_model_id'] = node_data['tts_model_id']
+                    if 'stt_model_enable' in node_data:
+                        instance['stt_model_enable'] = node_data['stt_model_enable']
+                    if 'tts_model_enable' in node_data:
+                        instance['tts_model_enable'] = node_data['tts_model_enable']
                     break
 
         def speech_to_text(self, file, with_valid=True):