Worked on #13 and #4. There are some caching issues left, though. Introduced abstract class Cacheable. Replaced async_pymongo with pymongo

classes/abstract/__init__.py

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+from .cacheable import Cacheable

classes/abstract/cacheable.py

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+from abc import ABC, abstractmethod
+from typing import Any, ClassVar, Dict, Optional
+
+from libbot.cache.classes import Cache
+from pymongo.asynchronous.collection import AsyncCollection
+
+
+class Cacheable(ABC):
+    """Abstract class for cacheable"""
+
+    __short_name__: str
+    __collection__: ClassVar[AsyncCollection]
+
+    @classmethod
+    @abstractmethod
+    async def from_id(cls, *args: Any, cache: Optional[Cache] = None, **kwargs: Any) -> Any:
+        pass
+
+    @abstractmethod
+    async def _set(self, cache: Optional[Cache] = None, **kwargs: Any) -> None:
+        pass
+
+    @abstractmethod
+    async def _remove(self, *args: str, cache: Optional[Cache] = None) -> None:
+        pass
+
+    @abstractmethod
+    def _get_cache_key(self) -> str:
+        pass
+
+    @abstractmethod
+    def _update_cache(self, cache: Optional[Cache] = None) -> None:
+        pass
+
+    @abstractmethod
+    def _delete_cache(self, cache: Optional[Cache] = None) -> None:
+        pass
+
+    @staticmethod
+    @abstractmethod
+    def _entry_to_cache(db_entry: Dict[str, Any]) -> Dict[str, Any]:
+        pass
+
+    @staticmethod
+    @abstractmethod
+    def _entry_from_cache(cache_entry: Dict[str, Any]) -> Dict[str, Any]:
+        pass
+
+    @abstractmethod
+    def to_dict(self, json_compatible: bool = False) -> Dict[str, Any]:
+        pass
+
+    @staticmethod
+    @abstractmethod
+    def get_defaults(**kwargs: Any) -> Dict[str, Any]:
+        pass
+
+    @staticmethod
+    @abstractmethod
+    def get_default_value(key: str) -> Any:
+        pass
+
+    @abstractmethod
+    async def update(
+        self,
+        cache: Optional[Cache] = None,
+        **kwargs: Any,
+    ) -> None:
+        pass
+
+    @abstractmethod
+    async def reset(
+        self,
+        *args: str,
+        cache: Optional[Cache] = None,
+    ) -> None:
+        pass
+
+    @abstractmethod
+    async def purge(self, cache: Optional[Cache] = None) -> None:
+        pass