Feat: message manage (#12196)

### What problem does this PR solve?

Manage message and use in agent.

Issue #4213 

### Type of change

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

api/db/services/document_service.py

@@ -39,7 +39,7 @@ from common.time_utils import current_timestamp, get_format_time
 from common.constants import LLMType, ParserType, StatusEnum, TaskStatus, SVR_CONSUMER_GROUP_NAME
 from rag.nlp import rag_tokenizer, search
 from rag.utils.redis_conn import REDIS_CONN
-from rag.utils.doc_store_conn import OrderByExpr
+from common.doc_store.doc_store_base import OrderByExpr
 from common import settings
 
 
@@ -349,7 +349,7 @@ class DocumentService(CommonService):
                 chunks = settings.docStoreConn.search(["img_id"], [], {"doc_id": doc.id}, [], OrderByExpr(),
                                                       page * page_size, page_size, search.index_name(tenant_id),
                                                       [doc.kb_id])
-                chunk_ids = settings.docStoreConn.get_chunk_ids(chunks)
+                chunk_ids = settings.docStoreConn.get_doc_ids(chunks)
                 if not chunk_ids:
                     break
                 all_chunk_ids.extend(chunk_ids)
@@ -1241,8 +1241,8 @@ def doc_upload_and_parse(conversation_id, file_objs, user_id):
             d["q_%d_vec" % len(v)] = v
         for b in range(0, len(cks), es_bulk_size):
             if try_create_idx:
-                if not settings.docStoreConn.indexExist(idxnm, kb_id):
-                    settings.docStoreConn.createIdx(idxnm, kb_id, len(vectors[0]))
+                if not settings.docStoreConn.index_exist(idxnm, kb_id):
+                    settings.docStoreConn.create_idx(idxnm, kb_id, len(vectors[0]))
                 try_create_idx = False
             settings.docStoreConn.insert(cks[b:b + es_bulk_size], idxnm, kb_id)