Represent messages

cove-core/src/message.rs

@@ -0,0 +1,30 @@
+use serde::{Deserialize, Serialize};
+
+use crate::Id;
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct Message {
+    pub pred: Option<Id>,
+    pub parent: Option<Id>,
+    pub identity: Id,
+    pub nick: String,
+    pub content: String,
+}
+
+impl Message {
+    pub fn id(&self) -> Id {
+        let pred = match self.pred {
+            Some(id) => format!("{id}"),
+            None => "none".to_string(),
+        };
+        let parent = match self.parent {
+            Some(id) => format!("{id}"),
+            None => "none".to_string(),
+        };
+        let identity = self.identity;
+        let nick = Id::of(&self.nick);
+        let content = Id::of(&self.content);
+        let str = format!("message {pred} {parent} {identity} {nick} {content}");
+        Id::of(&str)
+    }
+}