Add user id based emoji hash

Helpful in scenarios where you want to disambiguate people based on
their user id at a glance.

CHANGELOG.md

@@ -15,6 +15,10 @@ Procedure when bumping the version number:
 
 ## Unreleased
 
+### Added
+
+- Key bindings for emoji-based user id hashing
+
 ### Fixed
 
 - `keys.rooms.action.connect_autojoin` connecting to non-autojoin rooms

cove-config/src/keys.rs

@@ -104,6 +104,7 @@ default_bindings! {
         pub fn mark_older_seen => ["ctrl+s"];
         pub fn info => ["i"];
         pub fn links => ["I"];
+        pub fn toggle_nick_emoji => ["e"];
         pub fn increase_caesar => ["c"];
         pub fn decrease_caesar => ["C"];
     }
@@ -356,6 +357,9 @@ pub struct TreeAction {
     /// List links found in message.
     #[serde(default = "default::tree_action::links")]
     pub links: KeyBinding,
+    /// Toggle agent id based nick emoji.
+    #[serde(default = "default::tree_action::toggle_nick_emoji")]
+    pub toggle_nick_emoji: KeyBinding,
     /// Increase caesar cipher rotation.
     #[serde(default = "default::tree_action::increase_caesar")]
     pub increase_caesar: KeyBinding,

cove/src/euph/small_message.rs

@@ -1,15 +1,20 @@
+use std::hash::{DefaultHasher, Hash, Hasher};
+
 use crossterm::style::Stylize;
-use euphoxide::api::{MessageId, Snowflake, Time};
+use euphoxide::api::{MessageId, Snowflake, Time, UserId};
 use jiff::Timestamp;
 use toss::{Style, Styled};
 
 use crate::{store::Msg, ui::ChatMsg};
 
+use super::util;
+
 #[derive(Debug, Clone)]
 pub struct SmallMessage {
     pub id: MessageId,
     pub parent: Option<MessageId>,
     pub time: Time,
+    pub user_id: UserId,
     pub nick: String,
     pub content: String,
     pub seen: bool,
@@ -70,6 +75,14 @@ impl Msg for SmallMessage {
     fn last_possible_id() -> Self::Id {
         MessageId(Snowflake::MAX)
     }
+
+    fn nick_emoji(&self) -> Option<String> {
+        let mut hasher = DefaultHasher::new();
+        self.user_id.0.hash(&mut hasher);
+        let hash = hasher.finish();
+        let emoji = &util::EMOJI_LIST[hash as usize % util::EMOJI_LIST.len()];
+        Some(emoji.clone())
+    }
 }
 
 impl ChatMsg for SmallMessage {

cove/src/euph/util.rs

@@ -1,4 +1,4 @@
-use std::sync::LazyLock;
+use std::{collections::HashSet, sync::LazyLock};
 
 use crossterm::style::{Color, Stylize};
 use euphoxide::Emoji;
@@ -6,6 +6,19 @@ use toss::{Style, Styled};
 
 pub static EMOJI: LazyLock<Emoji> = LazyLock::new(Emoji::load);
 
+pub static EMOJI_LIST: LazyLock<Vec<String>> = LazyLock::new(|| {
+    let mut list = EMOJI
+        .0
+        .values()
+        .flatten()
+        .cloned()
+        .collect::<HashSet<_>>()
+        .into_iter()
+        .collect::<Vec<_>>();
+    list.sort_unstable();
+    list
+});
+
 /// Convert HSL to RGB following [this approach from wikipedia][1].
 ///
 /// `h` must be in the range `[0, 360]`, `s` and `l` in the range `[0, 1]`.

cove/src/store.rs

@@ -8,6 +8,10 @@ pub trait Msg {
     fn parent(&self) -> Option<Self::Id>;
     fn seen(&self) -> bool;
 
+    fn nick_emoji(&self) -> Option<String> {
+        None
+    }
+
     fn last_possible_id() -> Self::Id;
 }
 

cove/src/ui/chat.rs

@@ -37,6 +37,7 @@ pub struct ChatState<M: Msg, S: MsgStore<M>> {
 
     cursor: Cursor<M::Id>,
     editor: EditorState,
+    nick_emoji: bool,
     caesar: i8,
 
     mode: Mode,
@@ -48,6 +49,7 @@ impl<M: Msg, S: MsgStore<M> + Clone> ChatState<M, S> {
         Self {
             cursor: Cursor::Bottom,
             editor: EditorState::new(),
+            nick_emoji: false,
             caesar: 0,
 
             mode: Mode::Tree,
@@ -79,6 +81,7 @@ impl<M: Msg, S: MsgStore<M>> ChatState<M, S> {
                     &mut self.editor,
                     nick,
                     focused,
+                    self.nick_emoji,
                     self.caesar,
                 )
                 .boxed_async(),
@@ -117,6 +120,11 @@ impl<M: Msg, S: MsgStore<M>> ChatState<M, S> {
                 Reaction::Composed { parent, content }
             }
 
+            Reaction::NotHandled if event.matches(&keys.tree.action.toggle_nick_emoji) => {
+                self.nick_emoji = !self.nick_emoji;
+                Reaction::Handled
+            }
+
             Reaction::NotHandled if event.matches(&keys.tree.action.increase_caesar) => {
                 self.caesar = (self.caesar + 1).rem_euclid(26);
                 Reaction::Handled

cove/src/ui/chat/tree.rs

@@ -389,6 +389,7 @@ impl<M: Msg, S: MsgStore<M>> TreeViewState<M, S> {
         editor: &'a mut EditorState,
         nick: String,
         focused: bool,
+        nick_emoji: bool,
         caesar: i8,
     ) -> TreeView<'a, M, S> {
         TreeView {
@@ -397,6 +398,7 @@ impl<M: Msg, S: MsgStore<M>> TreeViewState<M, S> {
             editor,
             nick,
             focused,
+            nick_emoji,
             caesar,
         }
     }
@@ -410,6 +412,8 @@ pub struct TreeView<'a, M: Msg, S: MsgStore<M>> {
 
     nick: String,
     focused: bool,
+
+    nick_emoji: bool,
     caesar: i8,
 }
 
@@ -438,6 +442,7 @@ where
             size,
             nick: self.nick.clone(),
             focused: self.focused,
+            nick_emoji: self.nick_emoji,
             caesar: self.caesar,
             last_cursor: self.state.last_cursor.clone(),
             last_cursor_top: self.state.last_cursor_top,

cove/src/ui/chat/tree/renderer.rs

@@ -80,6 +80,7 @@ pub struct TreeContext<Id> {
     pub size: Size,
     pub nick: String,
     pub focused: bool,
+    pub nick_emoji: bool,
     pub caesar: i8,
     pub last_cursor: Cursor<Id>,
     pub last_cursor_top: i32,
@@ -207,6 +208,7 @@ where
             self.tz.clone(),
             indent,
             msg,
+            self.context.nick_emoji,
             self.context.caesar,
             folded_info,
         );

cove/src/ui/chat/tree/scroll.rs

@@ -22,6 +22,7 @@ where
             size: self.last_size,
             nick: self.last_nick.clone(),
             focused: true,
+            nick_emoji: false,
             caesar: 0,
             last_cursor: self.last_cursor.clone(),
             last_cursor_top: self.last_cursor_top,

cove/src/ui/chat/tree/widgets.rs

@@ -59,10 +59,17 @@ pub fn msg<M: Msg + ChatMsg>(
     tz: TimeZone,
     indent: usize,
     msg: &M,
+    nick_emoji: bool,
     caesar: i8,
     folded_info: Option<usize>,
 ) -> Boxed<'static, Infallible> {
-    let (nick, mut content) = msg.styled();
+    let (mut nick, mut content) = msg.styled();
+
+    if nick_emoji {
+        if let Some(emoji) = msg.nick_emoji() {
+            nick = nick.then_plain("(").then_plain(emoji).then_plain(")");
+        }
+    }
 
     if caesar != 0 {
         // Apply caesar in inverse because we're decoding

cove/src/vault/euph.rs

@@ -611,7 +611,7 @@ impl Action for GetMsg {
         let msg = conn
             .query_row(
                 "
-                SELECT id, parent, time, name, content, seen
+                SELECT id, parent, time, user_id, name, content, seen
                 FROM euph_msgs
                 WHERE domain = ?
                 AND room = ?
@@ -623,9 +623,10 @@ impl Action for GetMsg {
                         id: MessageId(row.get::<_, WSnowflake>(0)?.0),
                         parent: row.get::<_, Option<WSnowflake>>(1)?.map(|s| MessageId(s.0)),
                         time: row.get::<_, WTime>(2)?.0,
-                        nick: row.get(3)?,
+                        user_id: UserId(row.get(3)?),
-                        content: row.get(4)?,
+                        nick: row.get(4)?,
-                        seen: row.get(5)?,
+                        content: row.get(5)?,
+                        seen: row.get(6)?,
                     })
                 },
             )
@@ -703,7 +704,7 @@ impl Action for GetTree {
                         AND tree.room = euph_msgs.room
                         AND tree.id = euph_msgs.parent
                 )
-                SELECT id, parent, time, name, content, seen
+                SELECT id, parent, time, user_id, name, content, seen
                 FROM euph_msgs
                 JOIN tree USING (domain, room, id)
                 ORDER BY id ASC
@@ -716,9 +717,10 @@ impl Action for GetTree {
                         id: MessageId(row.get::<_, WSnowflake>(0)?.0),
                         parent: row.get::<_, Option<WSnowflake>>(1)?.map(|s| MessageId(s.0)),
                         time: row.get::<_, WTime>(2)?.0,
-                        nick: row.get(3)?,
+                        user_id: UserId(row.get(3)?),
-                        content: row.get(4)?,
+                        nick: row.get(4)?,
-                        seen: row.get(5)?,
+                        content: row.get(5)?,
+                        seen: row.get(6)?,
                     })
                 },
             )?