Add support for celery dynamic tasks (#715)

* Add support for celery dynamic tasks

* Update the celery conf

* Update the celery task tables name

* Refactor the celery task-related interfaces

* Optimize auto-discovery tasks

* Remove redundant config

* Refine the business codes

* Optimize crontab validation returns

* Update dependencies in pyproject toml

* Fix some bugs

* Update dependencies

* Update the version to 1.7.0

* Fix update and delete event

backend/app/__init__.py

@@ -1,2 +1,43 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+import inspect
+import os.path
+
+from backend.common.log import log
+from backend.core.path_conf import BASE_PATH
+from backend.utils.import_parse import import_module_cached
+
+
+def get_app_models():
+    """获取 app 所有模型类"""
+    app_path = os.path.join(BASE_PATH, 'app')
+    list_dirs = os.listdir(app_path)
+
+    apps = []
+
+    for d in list_dirs:
+        if os.path.isdir(os.path.join(app_path, d)) and d != '__pycache__':
+            apps.append(d)
+
+    classes = []
+
+    for app in apps:
+        try:
+            module_path = f'backend.app.{app}.model'
+            module = import_module_cached(module_path)
+        except Exception as e:
+            log.warning(f'应用 {app} 中不包含 model 相关配置: {e}')
+            continue
+
+        for name, obj in inspect.getmembers(module):
+            if inspect.isclass(obj):
+                classes.append(obj)
+
+    return classes
+
+
+# import all app models for auto create db tables
+for cls in get_app_models():
+    class_name = cls.__name__
+    if class_name not in globals():
+        globals()[class_name] = cls