Add validation for service methods

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

src/models/flow.rs

@@ -7,25 +7,26 @@ use crate::time::Timestamp;
 #[derive(Serialize, Deserialize, Clone)]
 pub struct Flow {
     /// Job Id set tby the actor which created it
-    id: u32,
+    pub id: u32,
     /// Actor Id who created this job
-    caller_id: u32,
+    pub caller_id: u32,
     /// The context in which this job is executed
-    context_id: u32,
+    pub context_id: u32,
     /// List of jobs which make up the flow
-    jobs: Vec<u32>,
+    pub jobs: Vec<u32>,
     /// Environment variables, passed to every job when executed
-    env_vars: HashMap<String, String>,
+    pub env_vars: HashMap<String, String>,
     /// The result of the flow
-    result: HashMap<String, String>,
-    created_at: Timestamp,
-    updated_at: Timestamp,
-    status: FlowStatus,
+    pub result: HashMap<String, String>,
+    pub created_at: Timestamp,
+    pub updated_at: Timestamp,
+    pub status: FlowStatus,
 }
 
 /// The status of a flow
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
 pub enum FlowStatus {
+    Created,
     Dispatched,
     Started,
     Error,