Add time utils (#10849)

### What problem does this PR solve?

- Add time utilities and unit tests

### Type of change

- [x] Refactoring

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

api/db/services/api_service.py

@@ -19,7 +19,7 @@ import peewee
 
 from api.db.db_models import DB, API4Conversation, APIToken, Dialog
 from api.db.services.common_service import CommonService
-from api.utils import current_timestamp, datetime_format
+from common.time_utils import current_timestamp, datetime_format
 
 
 class APITokenService(CommonService):

api/db/services/common_service.py

@@ -19,7 +19,8 @@ import peewee
 from peewee import InterfaceError, OperationalError
 
 from api.db.db_models import DB
-from api.utils import current_timestamp, datetime_format, get_uuid
+from api.utils import get_uuid
+from common.time_utils import current_timestamp, datetime_format
 
 def retry_db_operation(func):
     @retry(

api/db/services/dialog_service.py

@@ -34,7 +34,7 @@ from api.db.services.knowledgebase_service import KnowledgebaseService
 from api.db.services.langfuse_service import TenantLangfuseService
 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 common.time_utils import current_timestamp, datetime_format
 from graphrag.general.mind_map_extractor import MindMapExtractor
 from rag.app.resume import forbidden_select_fields4resume
 from rag.app.tag import label_question

api/db/services/document_service.py

@@ -34,7 +34,8 @@ from api.db.db_models import DB, Document, Knowledgebase, Task, Tenant, UserTena
 from api.db.db_utils import bulk_insert_into_db
 from api.db.services.common_service import CommonService
 from api.db.services.knowledgebase_service import KnowledgebaseService
-from api.utils import current_timestamp, get_format_time, get_uuid
+from api.utils import get_uuid
+from common.time_utils import current_timestamp, get_format_time
 from rag.nlp import rag_tokenizer, search
 from rag.settings import get_svr_queue_name, SVR_CONSUMER_GROUP_NAME
 from rag.utils.redis_conn import REDIS_CONN

api/db/services/file2document_service.py

@@ -20,7 +20,7 @@ from api.db.db_models import DB
 from api.db.db_models import File, File2Document
 from api.db.services.common_service import CommonService
 from api.db.services.document_service import DocumentService
-from api.utils import current_timestamp, datetime_format
+from common.time_utils import current_timestamp, datetime_format
 
 
 class File2DocumentService(CommonService):

api/db/services/knowledgebase_service.py

@@ -20,7 +20,7 @@ from peewee import fn, JOIN
 from api.db import StatusEnum, TenantPermission
 from api.db.db_models import DB, Document, Knowledgebase, User, UserTenant, UserCanvas
 from api.db.services.common_service import CommonService
-from api.utils import current_timestamp, datetime_format
+from common.time_utils import current_timestamp, datetime_format
 
 
 class KnowledgebaseService(CommonService):

api/db/services/langfuse_service.py

@@ -20,7 +20,7 @@ import peewee
 
 from api.db.db_models import DB, TenantLangfuse
 from api.db.services.common_service import CommonService
-from api.utils import current_timestamp, datetime_format
+from common.time_utils import current_timestamp, datetime_format
 
 
 class TenantLangfuseService(CommonService):

api/db/services/pipeline_operation_log_service.py

@@ -27,7 +27,8 @@ from api.db.services.common_service import CommonService
 from api.db.services.document_service import DocumentService
 from api.db.services.knowledgebase_service import KnowledgebaseService
 from api.db.services.task_service import GRAPH_RAPTOR_FAKE_DOC_ID
-from api.utils import current_timestamp, datetime_format, get_uuid
+from api.utils import get_uuid
+from common.time_utils import current_timestamp, datetime_format
 
 
 class PipelineOperationLogService(CommonService):

api/db/services/search_service.py

@@ -20,7 +20,7 @@ from peewee import fn
 from api.db import StatusEnum
 from api.db.db_models import DB, Search, User
 from api.db.services.common_service import CommonService
-from api.utils import current_timestamp, datetime_format
+from common.time_utils import current_timestamp, datetime_format
 
 
 class SearchService(CommonService):

api/db/services/task_service.py

@@ -27,7 +27,8 @@ from api.db import StatusEnum, FileType, TaskStatus
 from api.db.db_models import Task, Document, Knowledgebase, Tenant
 from api.db.services.common_service import CommonService
 from api.db.services.document_service import DocumentService
-from api.utils import current_timestamp, get_uuid
+from api.utils import get_uuid
+from common.time_utils import current_timestamp
 from deepdoc.parser.excel_parser import RAGFlowExcelParser
 from rag.settings import get_svr_queue_name
 from rag.utils.storage_factory import STORAGE_IMPL

api/db/services/user_service.py

@@ -24,7 +24,8 @@ from api.db import UserTenantRole
 from api.db.db_models import DB, UserTenant
 from api.db.db_models import User, Tenant
 from api.db.services.common_service import CommonService
-from api.utils import get_uuid, current_timestamp, datetime_format
+from api.utils import get_uuid
+from common.time_utils import current_timestamp, datetime_format
 from api.db import StatusEnum
 from rag.settings import MINIO