Display reactions below messages

matrixgw_frontend/src/utils/RoomEventsManager.ts

@@ -17,7 +17,7 @@ export interface Message {
   time_sent: number;
   time_sent_dayjs: dayjs.Dayjs;
   modified: boolean;
-  reactions: MessageReaction[];
+  reactions: Map<string, MessageReaction[]>;
   content: string;
   image?: string;
 }
@@ -80,7 +80,7 @@ export class RoomEventsManager {
           event_id: evt.id,
           account: evt.sender,
           modified: false,
-          reactions: [],
+          reactions: new Map(),
           time_sent: evt.time,
           time_sent_dayjs: dayjs.unix(evt.time / 1000),
           image: data.content.file?.url,
@@ -93,12 +93,16 @@ export class RoomEventsManager {
         const message = this.messages.find(
           (m) => m.event_id === data.content["m.relates_to"].event_id
         );
+        const key = data.content["m.relates_to"].key;
 
         if (!message) continue;
-        message.reactions.push({
+
+        if (!message.reactions.has(key)) message.reactions.set(key, []);
+
+        message.reactions.get(key)!.push({
           account: evt.sender,
           event_id: evt.id,
-          key: data.content["m.relates_to"].key,
+          key,
         });
       }
     }

matrixgw_frontend/src/widgets/EmojiIcon.tsx

@@ -0,0 +1,24 @@
+import { Emoji, EmojiStyle } from "emoji-picker-react";
+
+function emojiUnicode(emoji: string): string {
+  let comp;
+  if (emoji.length === 1) {
+    comp = emoji.charCodeAt(0);
+  }
+  comp =
+    (emoji.charCodeAt(0) - 0xd800) * 0x400 +
+    (emoji.charCodeAt(1) - 0xdc00) +
+    0x10000;
+  if (comp < 0) {
+    comp = emoji.charCodeAt(0);
+  }
+  const s = comp.toString(16);
+  return s.includes("f") ? s : `${s}-fe0f`;
+}
+
+export function EmojiIcon(p: { emojiKey: string }): React.ReactElement {
+  const unified = emojiUnicode(p.emojiKey);
+  return (
+    <Emoji unified={unified ?? ""} emojiStyle={EmojiStyle.GOOGLE} size={18} />
+  );
+}

matrixgw_frontend/src/widgets/messages/RoomMessagesList.tsx

@@ -5,6 +5,7 @@ import {
   Box,
   Button,
   ButtonGroup,
+  Chip,
   Dialog,
   DialogActions,
   DialogContent,
@@ -22,8 +23,14 @@ import type { Room } from "../../api/matrix/MatrixApiRoom";
 import { useAlert } from "../../hooks/contexts_provider/AlertDialogProvider";
 import { useConfirm } from "../../hooks/contexts_provider/ConfirmDialogProvider";
 import { useLoadingMessage } from "../../hooks/contexts_provider/LoadingMessageProvider";
-import type { Message, RoomEventsManager } from "../../utils/RoomEventsManager";
+import { useSnackbar } from "../../hooks/contexts_provider/SnackbarProvider";
+import type {
+  Message,
+  MessageReaction,
+  RoomEventsManager,
+} from "../../utils/RoomEventsManager";
 import { useUserInfo } from "../dashboard/BaseAuthenticatedPage";
+import { EmojiIcon } from "../EmojiIcon";
 import { AccountIcon } from "./AccountIcon";
 
 export function RoomMessagesList(p: {
@@ -83,6 +90,7 @@ function RoomMessage(p: {
   const user = useUserInfo();
   const alert = useAlert();
   const confirm = useConfirm();
+  const snackbar = useSnackbar();
   const loadingMessage = useLoadingMessage();
 
   const [showImageFullScreen, setShowImageFullScreen] = React.useState(false);
@@ -140,6 +148,20 @@ function RoomMessage(p: {
     }
   };
 
+  const handleToggleReaction = async (
+    key: string,
+    reaction: MessageReaction
+  ) => {
+    try {
+      if (!reaction)
+        await MatrixApiEvent.ReactToEvent(p.room, p.message.event_id, key);
+      else await MatrixApiEvent.DeleteEvent(p.room, reaction.event_id);
+    } catch (e) {
+      console.error(`Failed to toggle reaction!`, e);
+      snackbar(`Failed to toggle reaction! ${e}`);
+    }
+  };
+
   return (
     <>
       {/* Print date if required */}
@@ -243,6 +265,49 @@ function RoomMessage(p: {
         </ButtonGroup>
       </Box>
 
+      {/* Reaction */}
+      <Box sx={{ marginLeft: "50px" }}>
+        {[...p.message.reactions.keys()].map((r) => {
+          const userReaction = p.message.reactions
+            .get(r)!
+            .find((r) => r.account === user.info.matrix_user_id);
+          return (
+            <Chip
+              size="small"
+              style={{
+                height: "2em",
+                marginRight: "5px",
+                maxHeight: "unset",
+                cursor: "pointer",
+              }}
+              slotProps={{
+                root: { onClick: () => handleToggleReaction(r, userReaction) },
+                label: { style: { height: "2em" } },
+              }}
+              color={userReaction !== undefined ? "success" : undefined}
+              variant="filled"
+              label={
+                <span
+                  style={{
+                    display: "inline-flex",
+                    justifyContent: "center",
+                    alignItems: "center",
+                    flexDirection: "row",
+                  }}
+                >
+                  <div style={{ margin: "3px 3px" }}>
+                    <EmojiIcon emojiKey={r} />
+                  </div>
+                  <div style={{ height: "2em", marginLeft: "2px" }}>
+                    {p.message.reactions.get(r)?.length}
+                  </div>
+                </span>
+              }
+            />
+          );
+        })}
+      </Box>
+
       {/* Full screen image dialog */}
       <Dialog open={showImageFullScreen} onClose={closeImageFullScreen}>
         <img
@@ -315,11 +380,17 @@ function ReactionButton(p: {
 
   // Do not offer to react to existing reactions
   if (
-    p.message.reactions.find(
+    p.message.reactions
+      .get(p.emojiKey)
+      ?.find(
         (r) => r.key === p.emojiKey && r.account === user.info.matrix_user_id
       ) !== undefined
   )
     return <></>;
 
-  return <Button onClick={sendEmoji}>{p.emojiKey}</Button>;
+  return (
+    <Button onClick={sendEmoji}>
+      <EmojiIcon {...p} />
+    </Button>
+  );
 }