Some bug fixes. (#959)

* Fixes #956. Return 404 for missing objects in GenericEntityApiController.php

* Fixes #936 and #943. Include Products that expire today in /stock/volatile and "Expiring soon"-sum on stockoverview

* Fixes #881. Remove items of deleted shopping lists.

* Fixes #875. Prevent infinite nested recipes.

* Review

Co-authored-by: Bernd Bestel <bernd@berrnd.de>

migrations/0108.sql

@@ -0,0 +1,27 @@
+DELETE FROM shopping_list
+WHERE shopping_list_id NOT IN (SELECT id FROM shopping_lists);
+
+CREATE TRIGGER remove_items_from_deleted_shopping_list AFTER DELETE ON shopping_lists
+BEGIN
+    DELETE FROM shopping_list WHERE shopping_list_id = OLD.id;
+END;
+
+CREATE TRIGGER prevent_infinite_nested_recipes_INS BEFORE INSERT ON recipes_nestings
+BEGIN
+    SELECT CASE WHEN((
+        SELECT 1
+        FROM recipes_nestings_resolved rnr
+        WHERE NEW.recipe_id = rnr.includes_recipe_id
+            AND NEW.includes_recipe_id = rnr.recipe_id
+    ) NOTNULL) THEN RAISE(ABORT, "Recursive nested recipe detected") END;
+END;
+
+CREATE TRIGGER prevent_infinite_nested_recipes_UPD BEFORE UPDATE ON recipes_nestings
+BEGIN
+    SELECT CASE WHEN((
+        SELECT 1
+        FROM recipes_nestings_resolved rnr
+        WHERE NEW.recipe_id = rnr.includes_recipe_id
+            AND NEW.includes_recipe_id = rnr.recipe_id
+    ) NOTNULL) THEN RAISE(ABORT, "Recursive nested recipe detected") END;
+END;