Add support to iframe chatbot (#3929)

### What problem does this PR solve?

#3909

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

agent/canvas.py

@@ -21,6 +21,7 @@
 from agent.component import component_class
 from agent.component.base import ComponentBase
 
+
 class Canvas(ABC):
     """
     dsl = {
@@ -320,3 +321,13 @@ def _find_loop(self, max_loops=6):
 
     def get_prologue(self):
         return self.components["begin"]["obj"]._param.prologue
+
+    def set_global_param(self, **kwargs):
+        for k, v in kwargs.items():
+            for q in self.components["begin"]["obj"]._param.query:
+                if k != q["key"]:
+                    continue
+                q["value"] = v
+
+    def get_preset_param(self):
+        return self.components["begin"]["obj"]._param.query

agent/component/base.py

@@ -383,17 +383,14 @@ def __str__(self):
             "params": {}
         }
         """
-        out = json.loads(str(self._param)).get("output", {})
-        if isinstance(out, dict) and "vector" in out:
-            del out["vector"]
         return """{{
             "component_name": "{}",
             "params": {},
             "output": {},
             "inputs": {}
         }}""".format(self.component_name,
                      self._param,
-                     json.dumps(out, ensure_ascii=False),
+                     json.dumps(json.loads(str(self._param)).get("output", {}), ensure_ascii=False),
                      json.dumps(json.loads(str(self._param)).get("inputs", []), ensure_ascii=False)
         )
 
@@ -462,7 +459,7 @@ def get_input(self):
             self._param.inputs = []
             outs = []
             for q in self._param.query:
-                if q["component_id"]:
+                if q.get("component_id"):
                     if q["component_id"].split("@")[0].lower().find("begin") >= 0:
                         cpn_id, key = q["component_id"].split("@")
                         for p in self._canvas.get_component(cpn_id)["obj"]._param.query:

agent/component/begin.py

@@ -26,6 +26,7 @@ class BeginParam(ComponentParamBase):
     def __init__(self):
         super().__init__()
         self.prologue = "Hi! I'm your smart assistant. What can I do for you?"
+        self.query = []
 
     def check(self):
         return True

agent/templates/customer_service.json

@@ -336,7 +336,7 @@
                 "parameters": [],
                 "presencePenaltyEnabled": true,
                 "presence_penalty": 0.4,
-                "prompt": "Role: You are a customer support.  \n\nTask: Please answer the question based on content of knowledge base. \n\nRequirements & restrictions:\n  -  DO NOT make things up when all knowledge base content is irrelevant to the question. \n  - Answers need to consider chat history.\n  - Request about customer's contact information like, Wechat number, LINE number, twitter, discord, etc,. , when knowledge base content can't answer his question. So,  product expert could contact him soon to solve his problem.\n\n      Knowledge base content is as following:\n      {input}\n      The above is the content of knowledge base.",
+                "prompt": "Role: You are a customer support.  \n\nTask: Please answer the question based on content of knowledge base. \n\nReuirements & restrictions:\n  -  DO NOT make things up when all knowledge base content is irrelevant to the question. \n  - Answers need to consider chat history.\n  - Request about customer's contact information like, Wechat number, LINE number, twitter, discord, etc,. , when knowlegebase content can't answer his question. So,  product expert could contact him soon to solve his problem.\n\n      Knowledge base content is as following:\n      {input}\n      The above is the content of knowledge base.",
                 "temperature": 0.1,
                 "temperatureEnabled": true,
                 "topPEnabled": true,
@@ -603,7 +603,7 @@
           {
             "data": {
               "form": {
-                "text": "Static messages.\nDefine response after receive user's contact information."
+                "text": "Static messages.\nDefine replys after recieve user's contact information."
               },
               "label": "Note",
               "name": "N: What else?"
@@ -691,7 +691,7 @@
           {
             "data": {
               "form": {
-                "text": "Complete questions by conversation history.\nUser: What's RAGFlow?\nAssistant: RAGFlow is xxx.\nUser: How to deploy it?\n\nRefine it: How to deploy RAGFlow?"
+                "text": "Complete questions by conversation history.\nUser: What's RAGFlow?\nAssistant: RAGFlow is xxx.\nUser: How to deloy it?\n\nRefine it: How to deploy RAGFlow?"
               },
               "label": "Note",
               "name": "N: Refine Question"

api/apps/conversation_app.py

@@ -17,12 +17,14 @@
 import re
 import traceback
 from copy import deepcopy
+
+from api.db.services.conversation_service import ConversationService
 from api.db.services.user_service import UserTenantService
 from flask import request, Response
 from flask_login import login_required, current_user
 
 from api.db import LLMType
-from api.db.services.dialog_service import DialogService, ConversationService, chat, ask
+from api.db.services.dialog_service import DialogService, chat, ask
 from api.db.services.knowledgebase_service import KnowledgebaseService
 from api.db.services.llm_service import LLMBundle, TenantService, TenantLLMService
 from api import settings