Refa: split services about llm. (#9450)

### What problem does this PR solve?

### Type of change

- [x] Refactoring

agent/component/agent_with_tools.py

 import json_repair
 
 from agent.tools.base import LLMToolPluginCallSession, ToolParamBase, ToolBase, ToolMeta
-from api.db.services.llm_service import LLMBundle, TenantLLMService
+from api.db.services.llm_service import LLMBundle
+from api.db.services.tenant_llm_service import TenantLLMService
 from api.db.services.mcp_server_service import MCPServerService
 from api.utils.api_utils import timeout
 from rag.prompts import message_fit_in

agent/component/llm.py

 from functools import partial
 
 from api.db import LLMType
-from api.db.services.llm_service import LLMBundle, TenantLLMService
+from api.db.services.llm_service import LLMBundle
+from api.db.services.tenant_llm_service import TenantLLMService
 from agent.component.base import ComponentBase, ComponentParamBase
 from api.utils.api_utils import timeout
 from rag.prompts import message_fit_in, citation_prompt

api/apps/conversation_app.py

 from api.db.services.conversation_service import ConversationService, structure_answer
 from api.db.services.dialog_service import DialogService, ask, chat
 from api.db.services.knowledgebase_service import KnowledgebaseService
-from api.db.services.llm_service import LLMBundle, TenantService
-from api.db.services.user_service import UserTenantService
+from api.db.services.llm_service import LLMBundle
+from api.db.services.user_service import UserTenantService, TenantService
 from api.utils.api_utils import get_data_error_result, get_json_result, server_error_response, validate_request
 from graphrag.general.mind_map_extractor import MindMapExtractor
 from rag.app.tag import label_question

api/apps/dialog_app.py

 from flask_login import login_required, current_user
 from api.db.services.dialog_service import DialogService
 from api.db import StatusEnum
-from api.db.services.llm_service import TenantLLMService
+from api.db.services.tenant_llm_service import TenantLLMService
 from api.db.services.knowledgebase_service import KnowledgebaseService
 from api.db.services.user_service import TenantService, UserTenantService
 from api import settings

api/apps/llm_app.py

 import json
 from flask import request
 from flask_login import login_required, current_user
-from api.db.services.llm_service import LLMFactoriesService, TenantLLMService, LLMService
+from api.db.services.tenant_llm_service import LLMFactoriesService, TenantLLMService
+from api.db.services.llm_service import LLMService
 from api import settings
 from api.utils.api_utils import server_error_response, get_data_error_result, validate_request
 from api.db import StatusEnum, LLMType

api/apps/sdk/chat.py

 from api.db import StatusEnum
 from api.db.services.dialog_service import DialogService
 from api.db.services.knowledgebase_service import KnowledgebaseService
-from api.db.services.llm_service import TenantLLMService
+from api.db.services.tenant_llm_service import TenantLLMService
 from api.db.services.user_service import TenantService
 from api.utils import get_uuid
 from api.utils.api_utils import check_duplicate_ids, get_error_data_result, get_result, token_required

api/apps/sdk/doc.py

 from api.db.services.file2document_service import File2DocumentService
 from api.db.services.file_service import FileService
 from api.db.services.knowledgebase_service import KnowledgebaseService
-from api.db.services.llm_service import LLMBundle, TenantLLMService
+from api.db.services.llm_service import LLMBundle
+from api.db.services.tenant_llm_service import TenantLLMService
 from api.db.services.task_service import TaskService, queue_tasks
 from api.utils.api_utils import check_duplicate_ids, construct_json_result, get_error_data_result, get_parser_config, get_result, server_error_response, token_required
 from rag.app.qa import beAdoc, rmPrefix

api/apps/sdk/session.py

 import json
 import re
 import time
-
 import tiktoken
 from flask import Response, jsonify, request
-
 from agent.canvas import Canvas
 from api.db import LLMType, StatusEnum
-from api.db.db_models import API4Conversation, APIToken
+from api.db.db_models import APIToken
 from api.db.services.api_service import API4ConversationService
 from api.db.services.canvas_service import UserCanvasService, completionOpenAI
 from api.db.services.canvas_service import completion as agent_completion
 from api.db.services.conversation_service import ConversationService, iframe_completion
 from api.db.services.conversation_service import completion as rag_completion
 from api.db.services.dialog_service import DialogService, ask, chat
-from api.db.services.file_service import FileService
 from api.db.services.knowledgebase_service import KnowledgebaseService
 from api.db.services.llm_service import LLMBundle
 from api.utils import get_uuid

api/apps/user_app.py

 from api.db import FileType, UserTenantRole
 from api.db.db_models import TenantLLM
 from api.db.services.file_service import FileService
-from api.db.services.llm_service import LLMService, TenantLLMService
+from api.db.services.llm_service import TenantLLMService, get_init_tenant_llm
 from api.db.services.user_service import TenantService, UserService, UserTenantService
 from api.utils import (
     current_timestamp,
         "size": 0,
         "location": "",
     }
-    tenant_llm = []
-
-    seen = set()
-    factory_configs = []
-    for factory_config in [
-        settings.CHAT_CFG,
-        settings.EMBEDDING_CFG,
-        settings.ASR_CFG,
-        settings.IMAGE2TEXT_CFG,
-        settings.RERANK_CFG,
-    ]:
-        factory_name = factory_config["factory"]
-        if factory_name not in seen:
-            seen.add(factory_name)
-            factory_configs.append(factory_config)
-
-    for factory_config in factory_configs:
-        for llm in LLMService.query(fid=factory_config["factory"]):
-            tenant_llm.append(
-                {
-                    "tenant_id": user_id,
-                    "llm_factory": factory_config["factory"],
-                    "llm_name": llm.llm_name,
-                    "model_type": llm.model_type,
-                    "api_key": factory_config["api_key"],
-                    "api_base": factory_config["base_url"],
-                    "max_tokens": llm.max_tokens if llm.max_tokens else 8192,
-                }
-            )
-
-    if settings.LIGHTEN != 1:
-        for buildin_embedding_model in settings.BUILTIN_EMBEDDING_MODELS:
-            mdlnm, fid = TenantLLMService.split_model_name_and_factory(buildin_embedding_model)
-            tenant_llm.append(
-                {
-                    "tenant_id": user_id,
-                    "llm_factory": fid,
-                    "llm_name": mdlnm,
-                    "model_type": "embedding",
-                    "api_key": "",
-                    "api_base": "",
-                    "max_tokens": 1024 if buildin_embedding_model == "BAAI/bge-large-zh-v1.5@BAAI" else 512,
-                }
-            )
 
-    unique = {}
-    for item in tenant_llm:
-        key = (item["tenant_id"], item["llm_factory"], item["llm_name"])
-        if key not in unique:
-            unique[key] = item
-    tenant_llm = list(unique.values())
+    tenant_llm = get_init_tenant_llm(user_id)
 
     if not UserService.save(**user):
         return

api/db/init_data.py

 from api.db.services.canvas_service import CanvasTemplateService
 from api.db.services.document_service import DocumentService
 from api.db.services.knowledgebase_service import KnowledgebaseService
-from api.db.services.llm_service import LLMFactoriesService, LLMService, TenantLLMService, LLMBundle
+from api.db.services.tenant_llm_service import LLMFactoriesService, TenantLLMService
+from api.db.services.llm_service import LLMService, LLMBundle, get_init_tenant_llm
 from api.db.services.user_service import TenantService, UserTenantService
 from api import settings
 from api.utils.file_utils import get_project_base_directory
         "role": UserTenantRole.OWNER
     }
 
-    user_id = user_info
-    tenant_llm = []
-
-    seen = set()
-    factory_configs = []
-    for factory_config in [
-        settings.CHAT_CFG["factory"],
-        settings.EMBEDDING_CFG["factory"],
-        settings.ASR_CFG["factory"],
-        settings.IMAGE2TEXT_CFG["factory"],
-        settings.RERANK_CFG["factory"],
-    ]:
-        factory_name = factory_config["factory"]
-        if factory_name not in seen:
-            seen.add(factory_name)
-            factory_configs.append(factory_config)
-
-    for factory_config in factory_configs:
-        for llm in LLMService.query(fid=factory_config["factory"]):
-            tenant_llm.append(
-                {
-                    "tenant_id": user_id,
-                    "llm_factory": factory_config["factory"],
-                    "llm_name": llm.llm_name,
-                    "model_type": llm.model_type,
-                    "api_key": factory_config["api_key"],
-                    "api_base": factory_config["base_url"],
-                    "max_tokens": llm.max_tokens if llm.max_tokens else 8192,
-                }
-            )
-
-    unique = {}
-    for item in tenant_llm:
-        key = (item["tenant_id"], item["llm_factory"], item["llm_name"])
-        if key not in unique:
-            unique[key] = item
-    tenant_llm = list(unique.values())
+    tenant_llm = get_init_tenant_llm(user_info["id"])
 
     if not UserService.save(**user_info):
         logging.error("can't init admin.")

api/db/services/dialog_service.py

 from api.db.services.document_service import DocumentService
 from api.db.services.knowledgebase_service import KnowledgebaseService
 from api.db.services.langfuse_service import TenantLangfuseService
-from api.db.services.llm_service import LLMBundle, TenantLLMService
+from api.db.services.llm_service import LLMBundle
+from api.db.services.tenant_llm_service import TenantLLMService
 from api.utils import current_timestamp, datetime_format
 from rag.app.resume import forbidden_select_fields4resume
 from rag.app.tag import label_question

api/db/services/llm_service.py

 import re
 from functools import partial
 from typing import Generator
-
-from langfuse import Langfuse
-
-from api import settings
-from api.db import LLMType
-from api.db.db_models import DB, LLM, LLMFactories, TenantLLM
+from api.db.db_models import LLM
 from api.db.services.common_service import CommonService
-from api.db.services.langfuse_service import TenantLangfuseService
-from api.db.services.user_service import TenantService
-from rag.llm import ChatModel, CvModel, EmbeddingModel, RerankModel, Seq2txtModel, TTSModel
-
-
-class LLMFactoriesService(CommonService):
-    model = LLMFactories
+from api.db.services.tenant_llm_service import LLM4Tenant, TenantLLMService
 
 
 class LLMService(CommonService):
     model = LLM
 
 
-class TenantLLMService(CommonService):
-    model = TenantLLM
-
-    @classmethod
-    @DB.connection_context()
-    def get_api_key(cls, tenant_id, model_name):
-        mdlnm, fid = TenantLLMService.split_model_name_and_factory(model_name)
-        if not fid:
-            objs = cls.query(tenant_id=tenant_id, llm_name=mdlnm)
-        else:
-            objs = cls.query(tenant_id=tenant_id, llm_name=mdlnm, llm_factory=fid)
-
-        if (not objs) and fid:
-            if fid == "LocalAI":
-                mdlnm += "___LocalAI"
-            elif fid == "HuggingFace":
-                mdlnm += "___HuggingFace"
-            elif fid == "OpenAI-API-Compatible":
-                mdlnm += "___OpenAI-API"
-            elif fid == "VLLM":
-                mdlnm += "___VLLM"
-            objs = cls.query(tenant_id=tenant_id, llm_name=mdlnm, llm_factory=fid)
-        if not objs:
-            return
-        return objs[0]
-
-    @classmethod
-    @DB.connection_context()
-    def get_my_llms(cls, tenant_id):
-        fields = [cls.model.llm_factory, LLMFactories.logo, LLMFactories.tags, cls.model.model_type, cls.model.llm_name, cls.model.used_tokens]
-        objs = cls.model.select(*fields).join(LLMFactories, on=(cls.model.llm_factory == LLMFactories.name)).where(cls.model.tenant_id == tenant_id, ~cls.model.api_key.is_null()).dicts()
-
-        return list(objs)
-
-    @staticmethod
-    def split_model_name_and_factory(model_name):
-        arr = model_name.split("@")
-        if len(arr) < 2:
-            return model_name, None
-        if len(arr) > 2:
-            return "@".join(arr[0:-1]), arr[-1]
-
-        # model name must be xxx@yyy
-        try:
-            model_factories = settings.FACTORY_LLM_INFOS
-            model_providers = set([f["name"] for f in model_factories])
-            if arr[-1] not in model_providers:
-                return model_name, None
-            return arr[0], arr[-1]
-        except Exception as e:
-            logging.exception(f"TenantLLMService.split_model_name_and_factory got exception: {e}")
-        return model_name, None
-
-    @classmethod
-    @DB.connection_context()
-    def get_model_config(cls, tenant_id, llm_type, llm_name=None):
-        e, tenant = TenantService.get_by_id(tenant_id)
-        if not e:
-            raise LookupError("Tenant not found")
-
-        if llm_type == LLMType.EMBEDDING.value:
-            mdlnm = tenant.embd_id if not llm_name else llm_name
-        elif llm_type == LLMType.SPEECH2TEXT.value:
-            mdlnm = tenant.asr_id
-        elif llm_type == LLMType.IMAGE2TEXT.value:
-            mdlnm = tenant.img2txt_id if not llm_name else llm_name
-        elif llm_type == LLMType.CHAT.value:
-            mdlnm = tenant.llm_id if not llm_name else llm_name
-        elif llm_type == LLMType.RERANK:
-            mdlnm = tenant.rerank_id if not llm_name else llm_name
-        elif llm_type == LLMType.TTS:
-            mdlnm = tenant.tts_id if not llm_name else llm_name
-        else:
-            assert False, "LLM type error"
-
-        model_config = cls.get_api_key(tenant_id, mdlnm)
-        mdlnm, fid = TenantLLMService.split_model_name_and_factory(mdlnm)
-        if not model_config:  # for some cases seems fid mismatch
-            model_config = cls.get_api_key(tenant_id, mdlnm)
-        if model_config:
-            model_config = model_config.to_dict()
-            llm = LLMService.query(llm_name=mdlnm) if not fid else LLMService.query(llm_name=mdlnm, fid=fid)
-            if not llm and fid:  # for some cases seems fid mismatch
-                llm = LLMService.query(llm_name=mdlnm)
-            if llm:
-                model_config["is_tools"] = llm[0].is_tools
-        if not model_config:
-            if llm_type in [LLMType.EMBEDDING, LLMType.RERANK]:
-                llm = LLMService.query(llm_name=mdlnm) if not fid else LLMService.query(llm_name=mdlnm, fid=fid)
-                if llm and llm[0].fid in ["Youdao", "FastEmbed", "BAAI"]:
-                    model_config = {"llm_factory": llm[0].fid, "api_key": "", "llm_name": mdlnm, "api_base": ""}
-            if not model_config:
-                if mdlnm == "flag-embedding":
-                    model_config = {"llm_factory": "Tongyi-Qianwen", "api_key": "", "llm_name": llm_name, "api_base": ""}
-                else:
-                    if not mdlnm:
-                        raise LookupError(f"Type of {llm_type} model is not set.")
-                    raise LookupError("Model({}) not authorized".format(mdlnm))
-        return model_config
-
-    @classmethod
-    @DB.connection_context()
-    def model_instance(cls, tenant_id, llm_type, llm_name=None, lang="Chinese", **kwargs):
-        model_config = TenantLLMService.get_model_config(tenant_id, llm_type, llm_name)
-        kwargs.update({"provider": model_config["llm_factory"]})
-        if llm_type == LLMType.EMBEDDING.value:
-            if model_config["llm_factory"] not in EmbeddingModel:
-                return
-            return EmbeddingModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], base_url=model_config["api_base"])
-
-        if llm_type == LLMType.RERANK:
-            if model_config["llm_factory"] not in RerankModel:
-                return
-            return RerankModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], base_url=model_config["api_base"])
-
-        if llm_type == LLMType.IMAGE2TEXT.value:
-            if model_config["llm_factory"] not in CvModel:
-                return
-            return CvModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], lang, base_url=model_config["api_base"], **kwargs)
-
-        if llm_type == LLMType.CHAT.value:
-            if model_config["llm_factory"] not in ChatModel:
-                return
-            return ChatModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], base_url=model_config["api_base"], **kwargs)
-
-        if llm_type == LLMType.SPEECH2TEXT:
-            if model_config["llm_factory"] not in Seq2txtModel:
-                return
-            return Seq2txtModel[model_config["llm_factory"]](key=model_config["api_key"], model_name=model_config["llm_name"], lang=lang, base_url=model_config["api_base"])
-        if llm_type == LLMType.TTS:
-            if model_config["llm_factory"] not in TTSModel:
-                return
-            return TTSModel[model_config["llm_factory"]](
-                model_config["api_key"],
-                model_config["llm_name"],
-                base_url=model_config["api_base"],
+def get_init_tenant_llm(user_id):
+    from api import settings
+    tenant_llm = []
+
+    seen = set()
+    factory_configs = []
+    for factory_config in [
+        settings.CHAT_CFG,
+        settings.EMBEDDING_CFG,
+        settings.ASR_CFG,
+        settings.IMAGE2TEXT_CFG,
+        settings.RERANK_CFG,
+    ]:
+        factory_name = factory_config["factory"]
+        if factory_name not in seen:
+            seen.add(factory_name)
+            factory_configs.append(factory_config)
+
+    for factory_config in factory_configs:
+        for llm in LLMService.query(fid=factory_config["factory"]):
+            tenant_llm.append(
+                {
+                    "tenant_id": user_id,
+                    "llm_factory": factory_config["factory"],
+                    "llm_name": llm.llm_name,
+                    "model_type": llm.model_type,
+                    "api_key": factory_config["api_key"],
+                    "api_base": factory_config["base_url"],
+                    "max_tokens": llm.max_tokens if llm.max_tokens else 8192,
+                }
             )
 
-    @classmethod
-    @DB.connection_context()
-    def increase_usage(cls, tenant_id, llm_type, used_tokens, llm_name=None):
-        e, tenant = TenantService.get_by_id(tenant_id)
-        if not e:
-            logging.error(f"Tenant not found: {tenant_id}")
-            return 0
-
-        llm_map = {
-            LLMType.EMBEDDING.value: tenant.embd_id if not llm_name else llm_name,
-            LLMType.SPEECH2TEXT.value: tenant.asr_id,
-            LLMType.IMAGE2TEXT.value: tenant.img2txt_id,
-            LLMType.CHAT.value: tenant.llm_id if not llm_name else llm_name,
-            LLMType.RERANK.value: tenant.rerank_id if not llm_name else llm_name,
-            LLMType.TTS.value: tenant.tts_id if not llm_name else llm_name,
-        }
-
-        mdlnm = llm_map.get(llm_type)
-        if mdlnm is None:
-            logging.error(f"LLM type error: {llm_type}")
-            return 0
-
-        llm_name, llm_factory = TenantLLMService.split_model_name_and_factory(mdlnm)
-
-        try:
-            num = (
-                cls.model.update(used_tokens=cls.model.used_tokens + used_tokens)
-                .where(cls.model.tenant_id == tenant_id, cls.model.llm_name == llm_name, cls.model.llm_factory == llm_factory if llm_factory else True)
-                .execute()
+    if settings.LIGHTEN != 1:
+        for buildin_embedding_model in settings.BUILTIN_EMBEDDING_MODELS:
+            mdlnm, fid = TenantLLMService.split_model_name_and_factory(buildin_embedding_model)
+            tenant_llm.append(
+                {
+                    "tenant_id": user_id,
+                    "llm_factory": fid,
+                    "llm_name": mdlnm,
+                    "model_type": "embedding",
+                    "api_key": "",
+                    "api_base": "",
+                    "max_tokens": 1024 if buildin_embedding_model == "BAAI/bge-large-zh-v1.5@BAAI" else 512,
+                }
             )
-        except Exception:
-            logging.exception("TenantLLMService.increase_usage got exception,Failed to update used_tokens for tenant_id=%s, llm_name=%s", tenant_id, llm_name)
-            return 0
-
-        return num
-
-    @classmethod
-    @DB.connection_context()
-    def get_openai_models(cls):
-        objs = cls.model.select().where((cls.model.llm_factory == "OpenAI"), ~(cls.model.llm_name == "text-embedding-3-small"), ~(cls.model.llm_name == "text-embedding-3-large")).dicts()
-        return list(objs)
-
-    @staticmethod
-    def llm_id2llm_type(llm_id: str) -> str | None:
-        llm_id, *_ = TenantLLMService.split_model_name_and_factory(llm_id)
-        llm_factories = settings.FACTORY_LLM_INFOS
-        for llm_factory in llm_factories:
-            for llm in llm_factory["llm"]:
-                if llm_id == llm["llm_name"]:
-                    return llm["model_type"].split(",")[-1]
-
-        for llm in LLMService.query(llm_name=llm_id):
-            return llm.model_type
 
-        llm = TenantLLMService.get_or_none(llm_name=llm_id)
-        if llm:
-            return llm.model_type
-        for llm in TenantLLMService.query(llm_name=llm_id):
-            return llm.model_type
+    unique = {}
+    for item in tenant_llm:
+        key = (item["tenant_id"], item["llm_factory"], item["llm_name"])
+        if key not in unique:
+            unique[key] = item
+    return list(unique.values())
 
 
-class LLMBundle:
+class LLMBundle(LLM4Tenant):
     def __init__(self, tenant_id, llm_type, llm_name=None, lang="Chinese", **kwargs):
-        self.tenant_id = tenant_id
-        self.llm_type = llm_type
-        self.llm_name = llm_name
-        self.mdl = TenantLLMService.model_instance(tenant_id, llm_type, llm_name, lang=lang, **kwargs)
-        assert self.mdl, "Can't find model for {}/{}/{}".format(tenant_id, llm_type, llm_name)
-        model_config = TenantLLMService.get_model_config(tenant_id, llm_type, llm_name)
-        self.max_length = model_config.get("max_tokens", 8192)
-
-        self.is_tools = model_config.get("is_tools", False)
-        self.verbose_tool_use = kwargs.get("verbose_tool_use")
-
-        langfuse_keys = TenantLangfuseService.filter_by_tenant(tenant_id=tenant_id)
-        self.langfuse = None
-        if langfuse_keys:
-            langfuse = Langfuse(public_key=langfuse_keys.public_key, secret_key=langfuse_keys.secret_key, host=langfuse_keys.host)
-            if langfuse.auth_check():
-                self.langfuse = langfuse
-                trace_id = self.langfuse.create_trace_id()
-                self.trace_context = {"trace_id": trace_id}
+        super().__init__(tenant_id, llm_type, llm_name, lang, **kwargs)
 
     def bind_tools(self, toolcall_session, tools):
         if not self.is_tools:

api/db/services/tenant_llm_service.py

+#
+#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+import logging
+from langfuse import Langfuse
+from api import settings
+from api.db import LLMType
+from api.db.db_models import DB, LLMFactories, TenantLLM
+from api.db.services.common_service import CommonService
+from api.db.services.langfuse_service import TenantLangfuseService
+from api.db.services.user_service import TenantService
+from rag.llm import ChatModel, CvModel, EmbeddingModel, RerankModel, Seq2txtModel, TTSModel
+
+
+class LLMFactoriesService(CommonService):
+    model = LLMFactories
+
+
+class TenantLLMService(CommonService):
+    model = TenantLLM
+
+    @classmethod
+    @DB.connection_context()
+    def get_api_key(cls, tenant_id, model_name):
+        mdlnm, fid = TenantLLMService.split_model_name_and_factory(model_name)
+        if not fid:
+            objs = cls.query(tenant_id=tenant_id, llm_name=mdlnm)
+        else:
+            objs = cls.query(tenant_id=tenant_id, llm_name=mdlnm, llm_factory=fid)
+
+        if (not objs) and fid:
+            if fid == "LocalAI":
+                mdlnm += "___LocalAI"
+            elif fid == "HuggingFace":
+                mdlnm += "___HuggingFace"
+            elif fid == "OpenAI-API-Compatible":
+                mdlnm += "___OpenAI-API"
+            elif fid == "VLLM":
+                mdlnm += "___VLLM"
+            objs = cls.query(tenant_id=tenant_id, llm_name=mdlnm, llm_factory=fid)
+        if not objs:
+            return
+        return objs[0]
+
+    @classmethod
+    @DB.connection_context()
+    def get_my_llms(cls, tenant_id):
+        fields = [cls.model.llm_factory, LLMFactories.logo, LLMFactories.tags, cls.model.model_type, cls.model.llm_name, cls.model.used_tokens]
+        objs = cls.model.select(*fields).join(LLMFactories, on=(cls.model.llm_factory == LLMFactories.name)).where(cls.model.tenant_id == tenant_id, ~cls.model.api_key.is_null()).dicts()
+
+        return list(objs)
+
+    @staticmethod
+    def split_model_name_and_factory(model_name):
+        arr = model_name.split("@")
+        if len(arr) < 2:
+            return model_name, None
+        if len(arr) > 2:
+            return "@".join(arr[0:-1]), arr[-1]
+
+        # model name must be xxx@yyy
+        try:
+            model_factories = settings.FACTORY_LLM_INFOS
+            model_providers = set([f["name"] for f in model_factories])
+            if arr[-1] not in model_providers:
+                return model_name, None
+            return arr[0], arr[-1]
+        except Exception as e:
+            logging.exception(f"TenantLLMService.split_model_name_and_factory got exception: {e}")
+        return model_name, None
+
+    @classmethod
+    @DB.connection_context()
+    def get_model_config(cls, tenant_id, llm_type, llm_name=None):
+        from api.db.services.llm_service import LLMService
+        e, tenant = TenantService.get_by_id(tenant_id)
+        if not e:
+            raise LookupError("Tenant not found")
+
+        if llm_type == LLMType.EMBEDDING.value:
+            mdlnm = tenant.embd_id if not llm_name else llm_name
+        elif llm_type == LLMType.SPEECH2TEXT.value:
+            mdlnm = tenant.asr_id
+        elif llm_type == LLMType.IMAGE2TEXT.value:
+            mdlnm = tenant.img2txt_id if not llm_name else llm_name
+        elif llm_type == LLMType.CHAT.value:
+            mdlnm = tenant.llm_id if not llm_name else llm_name
+        elif llm_type == LLMType.RERANK:
+            mdlnm = tenant.rerank_id if not llm_name else llm_name
+        elif llm_type == LLMType.TTS:
+            mdlnm = tenant.tts_id if not llm_name else llm_name
+        else:
+            assert False, "LLM type error"
+
+        model_config = cls.get_api_key(tenant_id, mdlnm)
+        mdlnm, fid = TenantLLMService.split_model_name_and_factory(mdlnm)
+        if not model_config:  # for some cases seems fid mismatch
+            model_config = cls.get_api_key(tenant_id, mdlnm)
+        if model_config:
+            model_config = model_config.to_dict()
+            llm = LLMService.query(llm_name=mdlnm) if not fid else LLMService.query(llm_name=mdlnm, fid=fid)
+            if not llm and fid:  # for some cases seems fid mismatch
+                llm = LLMService.query(llm_name=mdlnm)
+            if llm:
+                model_config["is_tools"] = llm[0].is_tools
+        if not model_config:
+            if llm_type in [LLMType.EMBEDDING, LLMType.RERANK]:
+                llm = LLMService.query(llm_name=mdlnm) if not fid else LLMService.query(llm_name=mdlnm, fid=fid)
+                if llm and llm[0].fid in ["Youdao", "FastEmbed", "BAAI"]:
+                    model_config = {"llm_factory": llm[0].fid, "api_key": "", "llm_name": mdlnm, "api_base": ""}
+            if not model_config:
+                if mdlnm == "flag-embedding":
+                    model_config = {"llm_factory": "Tongyi-Qianwen", "api_key": "", "llm_name": llm_name, "api_base": ""}
+                else:
+                    if not mdlnm:
+                        raise LookupError(f"Type of {llm_type} model is not set.")
+                    raise LookupError("Model({}) not authorized".format(mdlnm))
+        return model_config
+
+    @classmethod
+    @DB.connection_context()
+    def model_instance(cls, tenant_id, llm_type, llm_name=None, lang="Chinese", **kwargs):
+        model_config = TenantLLMService.get_model_config(tenant_id, llm_type, llm_name)
+        kwargs.update({"provider": model_config["llm_factory"]})
+        if llm_type == LLMType.EMBEDDING.value:
+            if model_config["llm_factory"] not in EmbeddingModel:
+                return
+            return EmbeddingModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], base_url=model_config["api_base"])
+
+        if llm_type == LLMType.RERANK:
+            if model_config["llm_factory"] not in RerankModel:
+                return
+            return RerankModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], base_url=model_config["api_base"])
+
+        if llm_type == LLMType.IMAGE2TEXT.value:
+            if model_config["llm_factory"] not in CvModel:
+                return
+            return CvModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], lang, base_url=model_config["api_base"], **kwargs)
+
+        if llm_type == LLMType.CHAT.value:
+            if model_config["llm_factory"] not in ChatModel:
+                return
+            return ChatModel[model_config["llm_factory"]](model_config["api_key"], model_config["llm_name"], base_url=model_config["api_base"], **kwargs)
+
+        if llm_type == LLMType.SPEECH2TEXT:
+            if model_config["llm_factory"] not in Seq2txtModel:
+                return
+            return Seq2txtModel[model_config["llm_factory"]](key=model_config["api_key"], model_name=model_config["llm_name"], lang=lang, base_url=model_config["api_base"])
+        if llm_type == LLMType.TTS:
+            if model_config["llm_factory"] not in TTSModel:
+                return
+            return TTSModel[model_config["llm_factory"]](
+                model_config["api_key"],
+                model_config["llm_name"],
+                base_url=model_config["api_base"],
+            )
+
+    @classmethod
+    @DB.connection_context()
+    def increase_usage(cls, tenant_id, llm_type, used_tokens, llm_name=None):
+        e, tenant = TenantService.get_by_id(tenant_id)
+        if not e:
+            logging.error(f"Tenant not found: {tenant_id}")
+            return 0
+
+        llm_map = {
+            LLMType.EMBEDDING.value: tenant.embd_id if not llm_name else llm_name,
+            LLMType.SPEECH2TEXT.value: tenant.asr_id,
+            LLMType.IMAGE2TEXT.value: tenant.img2txt_id,
+            LLMType.CHAT.value: tenant.llm_id if not llm_name else llm_name,
+            LLMType.RERANK.value: tenant.rerank_id if not llm_name else llm_name,
+            LLMType.TTS.value: tenant.tts_id if not llm_name else llm_name,
+        }
+
+        mdlnm = llm_map.get(llm_type)
+        if mdlnm is None:
+            logging.error(f"LLM type error: {llm_type}")
+            return 0
+
+        llm_name, llm_factory = TenantLLMService.split_model_name_and_factory(mdlnm)
+
+        try:
+            num = (
+                cls.model.update(used_tokens=cls.model.used_tokens + used_tokens)
+                .where(cls.model.tenant_id == tenant_id, cls.model.llm_name == llm_name, cls.model.llm_factory == llm_factory if llm_factory else True)
+                .execute()
+            )
+        except Exception:
+            logging.exception("TenantLLMService.increase_usage got exception,Failed to update used_tokens for tenant_id=%s, llm_name=%s", tenant_id, llm_name)
+            return 0
+
+        return num
+
+    @classmethod
+    @DB.connection_context()
+    def get_openai_models(cls):
+        objs = cls.model.select().where((cls.model.llm_factory == "OpenAI"), ~(cls.model.llm_name == "text-embedding-3-small"), ~(cls.model.llm_name == "text-embedding-3-large")).dicts()
+        return list(objs)
+
+    @staticmethod
+    def llm_id2llm_type(llm_id: str) -> str | None:
+        from api.db.services.llm_service import LLMService
+        llm_id, *_ = TenantLLMService.split_model_name_and_factory(llm_id)
+        llm_factories = settings.FACTORY_LLM_INFOS
+        for llm_factory in llm_factories:
+            for llm in llm_factory["llm"]:
+                if llm_id == llm["llm_name"]:
+                    return llm["model_type"].split(",")[-1]
+
+        for llm in LLMService.query(llm_name=llm_id):
+            return llm.model_type
+
+        llm = TenantLLMService.get_or_none(llm_name=llm_id)
+        if llm:
+            return llm.model_type
+        for llm in TenantLLMService.query(llm_name=llm_id):
+            return llm.model_type
+
+
+class LLM4Tenant:
+    def __init__(self, tenant_id, llm_type, llm_name=None, lang="Chinese", **kwargs):
+        self.tenant_id = tenant_id
+        self.llm_type = llm_type
+        self.llm_name = llm_name
+        self.mdl = TenantLLMService.model_instance(tenant_id, llm_type, llm_name, lang=lang, **kwargs)
+        assert self.mdl, "Can't find model for {}/{}/{}".format(tenant_id, llm_type, llm_name)
+        model_config = TenantLLMService.get_model_config(tenant_id, llm_type, llm_name)
+        self.max_length = model_config.get("max_tokens", 8192)
+
+        self.is_tools = model_config.get("is_tools", False)
+        self.verbose_tool_use = kwargs.get("verbose_tool_use")
+
+        langfuse_keys = TenantLangfuseService.filter_by_tenant(tenant_id=tenant_id)
+        self.langfuse = None
+        if langfuse_keys:
+            langfuse = Langfuse(public_key=langfuse_keys.public_key, secret_key=langfuse_keys.secret_key, host=langfuse_keys.host)
+            if langfuse.auth_check():
+                self.langfuse = langfuse
+                trace_id = self.langfuse.create_trace_id()
+                self.trace_context = {"trace_id": trace_id}

api/utils/api_utils.py

 from api import settings
 from api.constants import REQUEST_MAX_WAIT_SEC, REQUEST_WAIT_SEC
 from api.db.db_models import APIToken
-from api.db.services.llm_service import LLMService, TenantLLMService
+from api.db.services.llm_service import LLMService
+from api.db.services.tenant_llm_service import TenantLLMService
 from api.utils import CustomJSONEncoder, get_uuid, json_dumps
 from rag.utils.mcp_tool_call_conn import MCPToolCallSession, close_multiple_mcp_toolcall_sessions
 

rag/prompts/prompts.py

 def full_question(tenant_id=None, llm_id=None, messages=[], language=None, chat_mdl=None):
     from api.db import LLMType
     from api.db.services.llm_service import LLMBundle
-    from api.db.services.llm_service import TenantLLMService
+    from api.db.services.tenant_llm_service import TenantLLMService
 
     if not chat_mdl:
         if TenantLLMService.llm_id2llm_type(llm_id) == "image2text":
 def cross_languages(tenant_id, llm_id, query, languages=[]):
     from api.db import LLMType
     from api.db.services.llm_service import LLMBundle
-    from api.db.services.llm_service import TenantLLMService
+    from api.db.services.tenant_llm_service import TenantLLMService
 
     if llm_id and TenantLLMService.llm_id2llm_type(llm_id) == "image2text":
         chat_mdl = LLMBundle(tenant_id, LLMType.IMAGE2TEXT, llm_id)