example-types: Add generic activity type

examples/example-types/src/lib.rs

@@ -8,6 +8,39 @@ use std::{
 };
 use url::Url;
 
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+pub enum ActivityType {
+    Create,
+    Update,
+    Delete,
+    Undo,
+    Follow,
+    Accept,
+    Reject,
+}
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+pub struct AcceptedActivity {
+    id: ObjectId<ActivityType>,
+
+    #[serde(rename = "type")]
+    kind: ActivityType,
+}
+
+impl AcceptedActivity {
+    pub fn id(&self) -> &ObjectId<ActivityType> {
+        &self.id
+    }
+}
+
+impl Dereference for ObjectId<ActivityType> {
+    type Output = AcceptedActivity;
+
+    fn url(&self) -> &Url {
+        &self.0
+    }
+}
+
 #[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
 #[serde(transparent)]
 pub struct ObjectId<Kind>(apub_core::object_id::ObjectId<Kind>);