Add essential packets

cove-core/src/packets.rs

@@ -0,0 +1,110 @@
+use serde::{Deserialize, Serialize};
+
+use crate::macros::packets;
+use crate::{Message, MessageId, User};
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct HelloCmd {
+    pub nick: String,
+    pub identity: String,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "type")]
+pub enum HelloRpl {
+    Success {
+        you: User,
+        others: Vec<User>,
+        last_message: MessageId,
+    },
+    NickTooLong,
+    IdentityTooLong,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct NickCmd {
+    pub nick: String,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "type")]
+pub enum NickRpl {
+    Success { you: User },
+    NickTooLong,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct SendCmd {
+    pub parent: Option<MessageId>,
+    pub nick: Option<String>,
+    pub content: String,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "type")]
+pub enum SendRpl {
+    Success { message: Message },
+    NickTooLong,
+    ContentTooLong,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct WhoCmd;
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct WhoRpl {
+    you: User,
+    others: Vec<User>,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct JoinNtf {
+    user: User,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct NickNtf {
+    user: User,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct PartNtf {
+    user: User,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct SendNtf {
+    message: Message,
+}
+
+// Create a Cmd enum for all commands, a Rpl enum for all replies and a Ntf enum
+// for all notifications, as well as TryFrom impls for the individual structs.
+packets! {
+    cmd Hello(HelloCmd, HelloRpl),
+    cmd Nick(NickCmd, NickRpl),
+    cmd Send(SendCmd, SendRpl),
+    cmd Who(WhoCmd, WhoRpl),
+    ntf Join(JoinNtf),
+    ntf Nick(NickNtf),
+    ntf Part(PartNtf),
+    ntf Send(SendNtf),
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "type")]
+pub enum Packet {
+    Cmd {
+        id: u64,
+        #[serde(flatten)]
+        cmd: Cmd,
+    },
+    Rpl {
+        id: u64,
+        #[serde(flatten)]
+        rpl: Rpl,
+    },
+    Ntf {
+        #[serde(flatten)]
+        ntf: Ntf,
+    },
+}