Feature/improve localization (#1147)

* use locale to set language header

* rewrite i18n provider and drop dependency

* rename file

* rename CrudMixin to HttpRepo

* refactor: code-cleanup

* add crowdin source

* remove unused translations

* grab translations from dev branch

* add translation support for foods, units, and labels

* remove rich import

mealie/routes/_base/base_controllers.py

@@ -0,0 +1,67 @@
+from abc import ABC
+from functools import cached_property
+
+from fastapi import Depends
+from pydantic import UUID4
+
+from mealie.core.exceptions import mealie_registered_exceptions
+from mealie.repos.all_repositories import AllRepositories
+from mealie.routes._base.checks import OperationChecks
+from mealie.routes._base.dependencies import SharedDependencies
+from mealie.schema.user.user import GroupInDB, PrivateUser
+
+
+class BasePublicController(ABC):
+    """
+    This is a public class for all User restricted controllers in the API.
+    It includes the common SharedDependencies and some common methods used
+    by all Admin controllers.
+    """
+
+    deps: SharedDependencies = Depends(SharedDependencies.public)
+
+
+class BaseUserController(ABC):
+    """
+    This is a base class for all User restricted controllers in the API.
+    It includes the common SharedDependencies and some common methods used
+    by all Admin controllers.
+    """
+
+    deps: SharedDependencies = Depends(SharedDependencies.user)
+
+    def registered_exceptions(self, ex: type[Exception]) -> str:
+        registered = {
+            **mealie_registered_exceptions(self.deps.t),
+        }
+        return registered.get(ex, "An unexpected error occurred.")
+
+    @cached_property
+    def repos(self):
+        return AllRepositories(self.deps.session)
+
+    @property
+    def group_id(self) -> UUID4:
+        return self.deps.acting_user.group_id
+
+    @property
+    def user(self) -> PrivateUser:
+        return self.deps.acting_user
+
+    @property
+    def group(self) -> GroupInDB:
+        return self.deps.repos.groups.get_one(self.group_id)
+
+    @cached_property
+    def checks(self) -> OperationChecks:
+        return OperationChecks(self.deps.acting_user)
+
+
+class BaseAdminController(BaseUserController):
+    """
+    This is a base class for all Admin restricted controllers in the API.
+    It includes the common Shared Dependencies and some common methods used
+    by all Admin controllers.
+    """
+
+    deps: SharedDependencies = Depends(SharedDependencies.admin)