Implemented data structures for SYNC, QUERY, and EXECUTE

google-home/src/response/query.rs

@@ -0,0 +1,83 @@
+use std::collections::HashMap;
+
+use serde::Serialize;
+
+use crate::response::State;
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Payload {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub error_code: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub debug_string: Option<String>,
+    devices: HashMap<String, Device>,
+}
+
+impl Payload {
+    pub fn new() -> Self {
+        Self { error_code: None, debug_string: None, devices: HashMap::new() }
+    }
+
+    pub fn add_device(&mut self, id: &str, device: Device) {
+        self.devices.insert(id.into(), device);
+    }
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum Status {
+    Success,
+    Offline,
+    Exceptions,
+    Error,
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Device {
+    online: bool,
+    status: Status,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub error_code: Option<String>,
+
+    #[serde(flatten)]
+    pub state: Option<State>,
+}
+
+impl Device {
+    pub fn new(online: bool, status: Status) -> Self {
+        Self { online, status, error_code: None, state: None }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::str::FromStr;
+    use uuid::Uuid;
+    use super::*;
+    use crate::response::{Response, ResponsePayload, State};
+
+    #[test]
+    fn serialize() {
+        let mut query_resp = Payload::new();
+
+        let state = State::default().on(true);
+        let mut device = Device::new(true, Status::Success);
+        device.state = Some(state);
+        query_resp.add_device("123", device);
+
+        let state = State::default().on(false);
+        let mut device = Device::new(true, Status::Success);
+        device.state = Some(state);
+        query_resp.add_device("456", device);
+
+        let resp = Response::new(Uuid::from_str("ff36a3cc-ec34-11e6-b1a0-64510650abcf").unwrap(), ResponsePayload::Query(query_resp));
+
+        let json = serde_json::to_string(&resp).unwrap();
+
+        println!("{}", json);
+
+        // @TODO Add a known correct output to test against
+    }
+}