feat: The form node supports obtaining data from other nodes (#1924)

Author: shaohuzhang1

apps/application/flow/step_node/form_node/impl/base_form_node.py

@@ -55,8 +55,10 @@ def execute(self, form_field_list, form_content_format, form_data, **kwargs) ->
                         "chat_record_id": self.flow_params_serializer.data.get("chat_record_id"),
                         "is_submit": self.context.get("is_submit", False)}
         form = f'<form_rander>{json.dumps(form_setting)}</form_rander>'
+        context = self.workflow_manage.get_workflow_content()
+        form_content_format = self.workflow_manage.reset_prompt(form_content_format)
         prompt_template = PromptTemplate.from_template(form_content_format, template_format='jinja2')
-        value = prompt_template.format(form=form)
+        value = prompt_template.format(form=form, context=context)
         return NodeResult(
             {'result': value, 'form_field_list': form_field_list, 'form_content_format': form_content_format}, {},
             _write_context=write_context)
@@ -69,8 +71,10 @@ def get_answer_list(self) -> List[Answer] | None:
                         'form_data': self.context.get('form_data', {}),
                         "is_submit": self.context.get("is_submit", False)}
         form = f'<form_rander>{json.dumps(form_setting)}</form_rander>'
+        context = self.workflow_manage.get_workflow_content()
+        form_content_format = self.workflow_manage.reset_prompt(form_content_format)
         prompt_template = PromptTemplate.from_template(form_content_format, template_format='jinja2')
-        value = prompt_template.format(form=form)
+        value = prompt_template.format(form=form, context=context)
         return [Answer(value, self.view_type, self.runtime_node_id, self.workflow_params['chat_record_id'], None)]
 
     def get_details(self, index: int, **kwargs):
@@ -81,8 +85,10 @@ def get_details(self, index: int, **kwargs):
                         'form_data': self.context.get('form_data', {}),
                         "is_submit": self.context.get("is_submit", False)}
         form = f'<form_rander>{json.dumps(form_setting)}</form_rander>'
+        context = self.workflow_manage.get_workflow_content()
+        form_content_format = self.workflow_manage.reset_prompt(form_content_format)
         prompt_template = PromptTemplate.from_template(form_content_format, template_format='jinja2')
-        value = prompt_template.format(form=form)
+        value = prompt_template.format(form=form, context=context)
         return {
             'name': self.node.properties.get('stepName'),
             "index": index,