server: added a common reponse type for graphman graphql api

Author: shiyasmohd

server/graphman/src/entities/empty_response.rs

@@ -5,15 +5,11 @@ use async_graphql::SimpleObject;
 #[derive(Clone, Debug, SimpleObject)]
 pub struct EmptyResponse {
     pub success: bool,
-    pub message: Option<String>,
 }
 
 impl EmptyResponse {
     /// Returns a successful response.
-    pub fn new(msg: Option<String>) -> Self {
-        Self {
-            success: true,
-            message: msg,
-        }
+    pub fn new() -> Self {
+        Self { success: true }
     }
 }

server/graphman/src/entities/mod.rs

@@ -9,6 +9,7 @@ mod deployment_version_selector;
 mod empty_response;
 mod execution;
 mod execution_id;
+mod response;
 mod subgraph_health;
 
 pub use self::block_hash::BlockHash;
@@ -22,4 +23,5 @@ pub use self::deployment_version_selector::DeploymentVersionSelector;
 pub use self::empty_response::EmptyResponse;
 pub use self::execution::Execution;
 pub use self::execution_id::ExecutionId;
+pub use self::response::Response;
 pub use self::subgraph_health::SubgraphHealth;

server/graphman/src/entities/response.rs

@@ -0,0 +1,17 @@
+use async_graphql::SimpleObject;
+
+#[derive(Clone, Debug, SimpleObject)]
+pub struct Response {
+    pub success: bool,
+    pub message: String,
+}
+
+impl Response {
+    /// Returns a response with success & message.
+    pub fn new(success: bool, msg: String) -> Self {
+        Self {
+            success,
+            message: msg,
+        }
+    }
+}