Add validation for service methods

Signed-off-by: Lee Smet <lee.smet@hotmail.com>

src/models/context.rs

@@ -5,13 +5,13 @@ use crate::time::Timestamp;
 #[derive(Serialize, Deserialize, Clone)]
 pub struct Context {
     /// Redis DB to use
-    id: u32,
+    pub id: u32,
     /// Actor ids which have admin rights on this context
-    admins: Vec<u32>,
+    pub admins: Vec<u32>,
     /// Actor ids which can read the context info
-    readers: Vec<u32>,
+    pub readers: Vec<u32>,
     /// Actor ids which can execute jobs in this context
-    executors: Vec<u32>,
-    created_at: Timestamp,
-    updated_at: Timestamp,
+    pub executors: Vec<u32>,
+    pub created_at: Timestamp,
+    pub updated_at: Timestamp,
 }