Developpement de la library pmoupnp

pmoupnp/src/state_variables/instance_methods.rs

@@ -0,0 +1,58 @@
+use chrono::{DateTime, Utc};
+use xmltree::Element;
+
+use crate::{
+    state_variables::{StateVarInstance, StateVariable, UpnpVariable}, 
+    variable_types::StateValue, 
+    UpnpObject, 
+    UpnpObjectType
+};
+
+impl UpnpVariable for StateVarInstance {
+    fn get_definition(&self) -> &StateVariable {
+        return &self.definition;
+    }
+}
+
+impl UpnpObject for StateVarInstance {
+    fn as_upnp_object_type(&self) -> &UpnpObjectType {
+        return &self.object;
+    }
+
+    fn to_xml_element(&self) -> Element {
+        self.get_definition().to_xml_element()
+    }
+}
+
+impl StateVarInstance {
+    pub fn new(from: &StateVariable) -> Self {
+        Self {
+            object: UpnpObjectType {
+                name: from.object.name.clone(),
+                object_type: "StateVarInstance".to_string(),
+            },
+            definition: from.clone(),
+            value: from.get_default(),
+            old_value: from.get_default(),
+            last_modified: Utc::now(),
+            last_notification: Utc::now()
+        }
+    }
+
+    pub fn set_value(&mut self, new_value: StateValue) {
+        self.old_value = self.value.clone();
+        self.value = new_value;
+        self.last_modified = Utc::now(); // mise à jour automatique
+    }
+
+    /// Accès à la valeur
+    pub fn value(&self) -> &StateValue {
+        &self.value
+    }
+
+    /// Accès au timestamp
+    pub fn last_modified(&self) -> DateTime<Utc> {
+        self.last_modified
+    }
+
+}