1 files changed, 31 insertions, 0 deletions
diff --git a/crates/rocie-server/src/storage/sql/recipe_parent.rs b/crates/rocie-server/src/storage/sql/recipe_parent.rs
new file mode 100644
index 0000000..6225a4b
--- /dev/null
+++ b/crates/rocie-server/src/storage/sql/recipe_parent.rs
@@ -0,0 +1,31 @@
+use serde::{Deserialize, Serialize};
+use utoipa::ToSchema;
+
+use crate::storage::sql::mk_id;
+
+/// The grouping system for recipes.
+///
+/// Every recipe can have a related parent, and every parent can have a parent themselves.
+/// As such, the recipe list constructs a DAG.
+#[derive(Clone, ToSchema, Serialize, Deserialize)]
+pub(crate) struct RecipeParent {
+    /// The id of the recipe parent.
+    pub(crate) id: RecipeParentId,
+
+    /// The optional id of the parent of this recipe parent.
+    ///
+    /// This must not form a cycle.
+    #[schema(nullable = false)]
+    pub(crate) parent: Option<RecipeParentId>,
+
+    /// The name of the recipe parent.
+    ///
+    /// This should be globally unique, to make searching easier for the user.
+    pub(crate) name: String,
+
+    /// An optional description of this recipe parent.
+    #[schema(nullable = false)]
+    pub(super) description: Option<String>,
+}
+
+mk_id!(RecipeParentId and RecipeParentIdStub);