feat: add group statistics on profile page

* resolve file not found error and add constants

* add group stats and storage functionality

* generate new types

* add statistics and storage cap graphs

* fix: add loadFood query param #1103

* refactor to flex view

mealie/services/group_services/group_service.py

@@ -0,0 +1,40 @@
+from pydantic import UUID4
+
+from mealie.pkgs.stats import fs_stats
+from mealie.repos.repository_factory import AllRepositories
+from mealie.schema.group.group_statistics import GroupStatistics, GroupStorage
+from mealie.services._base_service import BaseService
+
+ALLOWED_SIZE = 500 * fs_stats.megabyte
+
+
+class GroupService(BaseService):
+    def __init__(self, group_id: UUID4, repos: AllRepositories):
+        self.group_id = group_id
+        self.repos = repos
+        super().__init__()
+
+    def calculate_statistics(self, group_id: None | UUID4 = None) -> GroupStatistics:
+        """
+        calculate_statistics calculates the statistics for the group and returns
+        a GroupStatistics object.
+        """
+        target_id = group_id or self.group_id
+
+        return self.repos.groups.statistics(target_id)
+
+    def calculate_group_storage(self, group_id: None | UUID4 = None) -> GroupStorage:
+        """
+        calculate_group_storage calculates the storage used by the group and returns
+        a GroupStorage object.
+        """
+
+        target_id = group_id or self.group_id
+
+        all_ids = self.repos.recipes.all_ids(target_id)
+
+        used_size = sum(
+            fs_stats.get_dir_size(f"{self.directories.RECIPE_DATA_DIR}/{str(recipe_id)}") for recipe_id in all_ids
+        )
+
+        return GroupStorage.bytes(used_size, ALLOWED_SIZE)