refactor: rename to gpcommon

gpcommon/src/response.rs

@@ -0,0 +1,113 @@
+use crate::vpn::VpnStatus;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct Response {
+    request_id: Option<u64>,
+    success: bool,
+    message: String,
+    data: ResponseData,
+}
+
+impl From<ResponseData> for Response {
+    fn from(data: ResponseData) -> Self {
+        Self {
+            request_id: None,
+            success: true,
+            message: String::from("Success"),
+            data,
+        }
+    }
+}
+
+impl From<String> for Response {
+    fn from(message: String) -> Self {
+        Self {
+            request_id: None,
+            success: false,
+            message,
+            data: ResponseData::Empty,
+        }
+    }
+}
+
+impl Response {
+    pub fn success(&self) -> bool {
+        self.success
+    }
+
+    pub fn message(&self) -> &str {
+        &self.message
+    }
+
+    pub fn set_request_id(&mut self, command_id: u64) {
+        self.request_id = Some(command_id);
+    }
+
+    pub fn request_id(&self) -> Option<u64> {
+        self.request_id
+    }
+
+    pub fn data(&self) -> ResponseData {
+        self.data
+    }
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, Copy)]
+pub enum ResponseData {
+    Status(VpnStatus),
+    Empty,
+}
+
+impl From<VpnStatus> for ResponseData {
+    fn from(status: VpnStatus) -> Self {
+        Self::Status(status)
+    }
+}
+
+impl From<()> for ResponseData {
+    fn from(_: ()) -> Self {
+        Self::Empty
+    }
+}
+
+#[derive(Debug)]
+pub struct TryFromResponseDataError {
+    message: String,
+}
+
+impl std::fmt::Display for TryFromResponseDataError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "Invalid ResponseData: {}", self.message)
+    }
+}
+
+impl From<&str> for TryFromResponseDataError {
+    fn from(message: &str) -> Self {
+        Self {
+            message: message.into(),
+        }
+    }
+}
+
+impl TryFrom<ResponseData> for VpnStatus {
+    type Error = TryFromResponseDataError;
+
+    fn try_from(value: ResponseData) -> Result<Self, Self::Error> {
+        match value {
+            ResponseData::Status(status) => Ok(status),
+            _ => Err("ResponseData is not a VpnStatus".into()),
+        }
+    }
+}
+
+impl TryFrom<ResponseData> for () {
+    type Error = TryFromResponseDataError;
+
+    fn try_from(value: ResponseData) -> Result<Self, Self::Error> {
+        match value {
+            ResponseData::Empty => Ok(()),
+            _ => Err("ResponseData is not empty".into()),
+        }
+    }
+}