feature: add system setting service (#12408)

### What problem does this PR solve?

#12409 

### Type of change

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

---------

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

api/db/db_models.py

@@ -1197,6 +1197,13 @@ class Memory(DataBaseModel):
     class Meta:
         db_table = "memory"
 
+class SystemSettings(DataBaseModel):
+    name = CharField(max_length=128, primary_key=True)
+    setting_type = CharField(max_length=32, null=False, index=False)
+    data_type = CharField(max_length=32, null=False, index=False)
+    value = CharField(max_length=1024, null=False, index=False)
+    class Meta:
+        db_table = "system_settings"
 
 def migrate_db():
     logging.disable(logging.ERROR)

api/db/init_data.py

@@ -30,6 +30,7 @@ from api.db.services.knowledgebase_service import KnowledgebaseService
 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.db.services.system_settings_service import SystemSettingsService
 from api.db.joint_services.memory_message_service import init_message_id_sequence, init_memory_size_cache
 from common.constants import LLMType
 from common.file_utils import get_project_base_directory
@@ -158,13 +159,15 @@ def add_graph_templates():
                 CanvasTemplateService.save(**cnvs)
             except Exception:
                 CanvasTemplateService.update_by_id(cnvs["id"], cnvs)
-        except Exception:
-            logging.exception("Add agent templates error: ")
+        except Exception as e:
+            logging.exception(f"Add agent templates error: {e}")
 
 
 def init_web_data():
     start_time = time.time()
 
+    init_table()
+
     init_llm_factory()
     # if not UserService.get_all().count():
     #    init_superuser()
@@ -174,6 +177,31 @@ def init_web_data():
     init_memory_size_cache()
     logging.info("init web data success:{}".format(time.time() - start_time))
 
+def init_table():
+    # init system_settings
+    with open(os.path.join(get_project_base_directory(), "conf", "system_settings.json"), "r") as f:
+        records_from_file = json.load(f)["system_settings"]
+
+    record_index = {}
+    records_from_db = SystemSettingsService.get_all()
+    for index, record in enumerate(records_from_db):
+        record_index[record.name] = index
+
+    to_save = []
+    for record in records_from_file:
+        setting_name = record["name"]
+        if setting_name not in record_index:
+            to_save.append(record)
+
+    len_to_save = len(to_save)
+    if len_to_save > 0:
+        # not initialized
+        try:
+            SystemSettingsService.insert_many(to_save, len_to_save)
+        except Exception as e:
+            logging.exception("System settings init error: {}".format(e))
+            raise e
+
 
 if __name__ == '__main__':
     init_web_db()

api/db/services/common_service.py

@@ -190,10 +190,15 @@ class CommonService:
             data_list (list): List of dictionaries containing record data to insert.
             batch_size (int, optional): Number of records to insert in each batch. Defaults to 100.
         """
+        current_ts = current_timestamp()
+        current_datetime = datetime_format(datetime.now())
         with DB.atomic():
             for d in data_list:
-                d["create_time"] = current_timestamp()
-                d["create_date"] = datetime_format(datetime.now())
+                d["create_time"] = current_ts
+                d["create_date"] = current_datetime
+                d["update_time"] = current_ts
+                d["update_date"] = current_datetime
+
             for i in range(0, len(data_list), batch_size):
                 cls.model.insert_many(data_list[i : i + batch_size]).execute()
 

api/db/services/system_settings_service.py

@@ -0,0 +1,44 @@
+#
+#  Copyright 2026 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.
+#
+from datetime import datetime
+from common.time_utils import current_timestamp, datetime_format
+from api.db.db_models import DB
+from api.db.db_models import SystemSettings
+from api.db.services.common_service import CommonService
+
+
+class SystemSettingsService(CommonService):
+    model = SystemSettings
+
+    @classmethod
+    @DB.connection_context()
+    def get_by_name(cls, name):
+        objs = cls.model.select().where(cls.model.name.startswith(name))
+        return objs
+
+    @classmethod
+    @DB.connection_context()
+    def update_by_name(cls, name, obj):
+        obj["update_time"] = current_timestamp()
+        obj["update_date"] = datetime_format(datetime.now())
+        cls.model.update(obj).where(cls.model.name.startswith(name)).execute()
+        return SystemSettings(**obj)
+
+    @classmethod
+    @DB.connection_context()
+    def get_record_count(cls):
+        count = cls.model.select().count()
+        return count