feat: ✨ add user recipe export functionality (#845)

* feat(frontend): ✨ add user recipe export functionality

* remove depreciated folders

* change/remove depreciated folders

* add testing variable in config

* add GUID support for group_id

* improve testing feedback on 422 errors

* remove/cleanup files/folders

* initial user export support

* delete unused css

* update backup page UI

* remove depreciated settings

* feat: ✨ export download links

* fix #813

* remove top level statements

* show footer

* add export purger to scheduler

* update purge glob

* fix meal-planner lockout

* feat: ✨ add bulk delete/purge exports

* style(frontend): 💄 update UI for site settings

* feat: ✨ add version checker

* update documentation

Co-authored-by: hay-kot <hay-kot@pm.me>

mealie/services/exporter/recipe_exporter.py

@@ -0,0 +1,41 @@
+from typing import Iterator
+from uuid import UUID
+
+from mealie.db.database import Database
+from mealie.schema.recipe import Recipe
+
+from ._abc_exporter import ABCExporter, ExportedItem
+
+
+class RecipeExporter(ABCExporter):
+    def __init__(self, db: Database, group_id: UUID, recipes: list[str]) -> None:
+        """
+        RecipeExporter is used to export a list of recipes to a zip file. The zip
+        file is then saved to a temporary directory and then available for a one-time
+        download.
+
+        Args:
+            db (Database):
+            group_id (int):
+            recipes (list[str]): Recipe Slugs
+        """
+        super().__init__(db, group_id)
+        self.recipes = recipes
+
+    @property
+    def destination_dir(self) -> str:
+        return "recipes"
+
+    def items(self) -> Iterator[ExportedItem]:
+        for slug in self.recipes:
+            yield ExportedItem(
+                name=slug,
+                model=self.db.recipes.multi_query({"slug": slug, "group_id": self.group_id}, limit=1)[0],
+            )
+
+    def _post_export_hook(self, item: Recipe) -> None:
+        """Copy recipe directory contents into the zip folder"""
+        recipe_dir = item.directory
+
+        if recipe_dir.exists():
+            self.write_dir_to_zip(recipe_dir, f"{self.destination_dir}/{item.slug}", {".json"})