Add dummy store

cove-tui/src/main.rs

@@ -1,5 +1,6 @@
 #![warn(clippy::use_self)]
 
+mod chat;
 mod traits;
 mod ui;
 

cove-tui/src/store.rs

@@ -0,0 +1,87 @@
+use std::collections::HashMap;
+
+use async_trait::async_trait;
+use chrono::{DateTime, Utc};
+
+use crate::traits::{Msg, MsgStore};
+
+pub struct DummyMsg {
+    id: usize,
+    parent: Option<usize>,
+    time: DateTime<Utc>,
+    nick: String,
+    content: String,
+}
+
+impl DummyMsg {
+    fn new<T, S>(id: usize, time: T, nick: S, content: S) -> Self
+    where
+        T: Into<DateTime<Utc>>,
+        S: Into<String>,
+    {
+        Self {
+            id,
+            parent: None,
+            time: time.into(),
+            nick: nick.into(),
+            content: content.into(),
+        }
+    }
+
+    fn parent(mut self, parent: usize) -> Self {
+        self.parent = Some(parent);
+        self
+    }
+}
+
+impl Msg for DummyMsg {
+    type Id = usize;
+
+    fn id(&self) -> Self::Id {
+        self.id
+    }
+
+    fn time(&self) -> DateTime<Utc> {
+        self.time
+    }
+
+    fn nick(&self) -> String {
+        self.nick.clone()
+    }
+
+    fn content(&self) -> String {
+        self.content.clone()
+    }
+}
+
+pub struct DummyStore {
+    msgs: HashMap<usize, DummyMsg>,
+}
+
+impl DummyStore {
+    fn new() -> Self {
+        Self {
+            msgs: HashMap::new(),
+        }
+    }
+
+    fn msg(mut self, msg: DummyMsg) -> Self {
+        self.msgs.insert(msg.id(), msg);
+        self
+    }
+}
+
+#[async_trait]
+impl MsgStore<DummyMsg> for DummyStore {
+    async fn path(&self, _room: &str, mut id: usize) -> Vec<usize> {
+        let mut path = vec![id];
+
+        while let Some(parent) = self.msgs.get(&id).and_then(|msg| msg.parent) {
+            path.push(parent);
+            id = parent;
+        }
+
+        path.reverse();
+        path
+    }
+}

cove-tui/src/traits.rs

@@ -12,5 +12,5 @@ pub trait Msg {
 
 #[async_trait]
 pub trait MsgStore<M: Msg> {
-    async fn path(room: &str, id: M::Id) -> Vec<M::Id>;
+    async fn path(&self, room: &str, id: M::Id) -> Vec<M::Id>;
 }