Added cache service to cache server

kdb-bot/src/bot_data/data_module.py

@@ -27,6 +27,7 @@ from bot_data.abc.user_warnings_repository_abc import UserWarningsRepositoryABC
 from bot_data.service.api_key_repository_service import ApiKeyRepositoryService
 from bot_data.service.auth_user_repository_service import AuthUserRepositoryService
 from bot_data.service.auto_role_repository_service import AutoRoleRepositoryService
+from bot_data.service.cache_service import CacheService
 from bot_data.service.client_repository_service import ClientRepositoryService
 from bot_data.service.game_server_repository_service import GameServerRepositoryService
 from bot_data.service.known_user_repository_service import KnownUserRepositoryService
@@ -56,6 +57,8 @@ class DataModule(ModuleABC):
         pass
 
     def configure_services(self, services: ServiceCollectionABC, env: ApplicationEnvironmentABC):
+        services.add_singleton(CacheService)
+
         services.add_transient(ApiKeyRepositoryABC, ApiKeyRepositoryService)
         services.add_transient(AuthUserRepositoryABC, AuthUserRepositoryService)
         services.add_transient(ServerRepositoryABC, ServerRepositoryService)

kdb-bot/src/bot_data/service/cache_service.py

@@ -0,0 +1,16 @@
+from cpl_query.extension import List
+
+from bot_data.model.server import Server
+
+
+class CacheService:
+    def __init__(self):
+        self._cached_server = List(Server)
+
+    @property
+    def cached_server(self) -> List[Server]:
+        return self._cached_server
+
+    @cached_server.setter
+    def cached_server(self, value: List[Server]):
+        self._cached_server = value

kdb-bot/src/bot_data/service/server_repository_service.py

@@ -8,12 +8,14 @@ from bot_core.logging.database_logger import DatabaseLogger
 from bot_data.abc.server_repository_abc import ServerRepositoryABC
 from bot_data.filtered_result import FilteredResult
 from bot_data.model.server import Server
+from bot_data.service.cache_service import CacheService
 
 
 class ServerRepositoryService(ServerRepositoryABC):
-    def __init__(self, logger: DatabaseLogger, db_context: DatabaseContextABC):
+    def __init__(self, logger: DatabaseLogger, db_context: DatabaseContextABC, cache: CacheService):
         self._logger = logger
         self._context = db_context
+        self._cache = cache
 
         ServerRepositoryABC.__init__(self)
 
@@ -24,6 +26,7 @@ class ServerRepositoryService(ServerRepositoryABC):
         for result in results:
             servers.append(Server(result[1], result[2], result[3], id=result[0]))
 
+        self._cache.cached_server = List(Server, servers)
         return servers
 
     def get_filtered_servers(self, criteria: ServerSelectCriteria) -> FilteredResult:
@@ -52,11 +55,23 @@ class ServerRepositoryService(ServerRepositoryABC):
         return result
 
     def get_server_by_id(self, server_id: int) -> Server:
+        cs = self._cache.cached_server.where(lambda x: x.id == server_id).single_or_default()
+        if cs is not None:
+            self._logger.error(__name__, f"CACHE")
+            return cs
+
         self._logger.trace(__name__, f"Send SQL command: {Server.get_select_by_id_string(server_id)}")
         result = self._context.select(Server.get_select_by_id_string(server_id))[0]
-        return Server(result[1], result[2], result[3], id=result[0])
+        server = Server(result[1], result[2], result[3], id=result[0])
+        self._cache.cached_server.add(server)
+        return server
 
     def get_server_by_discord_id(self, discord_id: int) -> Server:
+        cs = self._cache.cached_server.where(lambda x: x.discord_id == discord_id).single_or_default()
+        if cs is not None:
+            self._logger.error(__name__, f"CACHE")
+            return cs
+
         self._logger.trace(
             __name__,
             f"Send SQL command: {Server.get_select_by_discord_id_string(discord_id)}",
@@ -65,6 +80,11 @@ class ServerRepositoryService(ServerRepositoryABC):
         return Server(result[1], result[2], result[3], id=result[0])
 
     def find_server_by_discord_id(self, discord_id: int) -> Optional[Server]:
+        cs = self._cache.cached_server.where(lambda x: x.discord_id == discord_id).single_or_default()
+        if cs is not None:
+            self._logger.error(__name__, f"CACHE")
+            return cs
+
         self._logger.trace(
             __name__,
             f"Send SQL command: {Server.get_select_by_discord_id_string(discord_id)}",