condition inherit location

src/location.rs

@@ -1,3 +1,6 @@
+use std::{future::Future, pin::Pin};
+
+use futures::FutureExt;
 use mongod::{
     derive::{Model, Referencable},
     Model, ToAPI, Validate,
@@ -32,13 +35,37 @@ impl Validate for Location {
     }
 }
 
+impl Location {
+    /// Recursively get the conditions of a location. This inherits from parent locations.
+    pub fn conditions_rec<'a>(
+        &'a self,
+    ) -> futures::future::BoxFuture<'a, Option<StorageConditions>> {
+        async move {
+            if let Some(cond) = &self.conditions {
+                return Some(cond.clone());
+            }
+
+            if let Some(parent) = &self.parent {
+                if let Some(parent_loc) = Location::get(parent).await {
+                    if let Some(cond) = parent_loc.conditions_rec().await {
+                        return Some(cond);
+                    }
+                }
+            }
+
+            None
+        }
+        .boxed()
+    }
+}
+
 impl ToAPI for Location {
     async fn api(&self) -> serde_json::Value {
         json!({
             "id": self._id,
             "name": self.name,
             "parent": self.parent,
-            "conditions": self.conditions
+            "conditions": self.conditions_rec().await
         })
     }
 }