web/roomlist: add sender name to previews

web/src/api/statestore.ts

@@ -194,6 +194,7 @@ export interface RoomListEntry {
 	room_id: RoomID
 	sorting_timestamp: number
 	preview_event?: MemDBEvent
+	preview_sender?: MemDBEvent
 	name: string
 	avatar?: ContentURI
 }
@@ -212,10 +213,13 @@ export class StateStore {
 		if (!room) {
 			room = this.rooms.get(entry.meta.room_id)
 		}
+		const preview_event = room?.eventsByRowID.get(entry.meta.preview_event_rowid)
+		const preview_sender = preview_event && room?.getStateEvent("m.room.member", preview_event.sender)
 		return {
 			room_id: entry.meta.room_id,
 			sorting_timestamp: entry.meta.sorting_timestamp,
-			preview_event: room?.eventsByRowID.get(entry.meta.preview_event_rowid),
+			preview_event,
+			preview_sender,
 			name: entry.meta.name ?? "Unnamed room",
 			avatar: entry.meta.avatar,
 		}

web/src/ui/roomlist/Entry.tsx

@@ -15,7 +15,7 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 import { getMediaURL } from "../../api/media.ts"
 import type { RoomListEntry } from "../../api/statestore.ts"
-import type { MemDBEvent } from "../../api/types"
+import type { MemDBEvent, MemberEventContent } from "../../api/types"
 
 export interface RoomListEntryProps {
 	room: RoomListEntry
@@ -23,18 +23,25 @@ export interface RoomListEntryProps {
 	isActive: boolean
 }
 
-function makePreviewText(evt?: MemDBEvent): string {
+function makePreviewText(evt?: MemDBEvent, senderMemberEvt?: MemDBEvent): [string, string] {
 	if (!evt) {
-		return ""
+		return ["", ""]
 	}
 	if ((evt.type === "m.room.message" || evt.type === "m.sticker") && typeof evt.content.body === "string") {
-		return evt.content.body
+		let displayname = (senderMemberEvt?.content as MemberEventContent)?.displayname
+		if (!displayname) {
+			displayname = evt.sender.slice(1).split(":")[0]
+		}
+		return [
+			`${displayname}: ${evt.content.body}`,
+			`${displayname.length > 16 ? displayname.slice(0, 12) + "…" : displayname}: ${evt.content.body}`,
+		]
 	}
-	return ""
+	return ["", ""]
 }
 
 const Entry = ({ room, setActiveRoom, isActive }: RoomListEntryProps) => {
-	const previewText = makePreviewText(room.preview_event)
+	const [previewText, croppedPreviewText] = makePreviewText(room.preview_event, room.preview_sender)
 	return <div
 		className={`room-entry ${isActive ? "active" : ""}`}
 		onClick={setActiveRoom}
@@ -45,7 +52,7 @@ const Entry = ({ room, setActiveRoom, isActive }: RoomListEntryProps) => {
 		</div>
 		<div className="room-entry-right">
 			<div className="room-name">{room.name}</div>
-			{previewText && <div className="message-preview" title={previewText}>{previewText}</div>}
+			{previewText && <div className="message-preview" title={previewText}>{croppedPreviewText}</div>}
 		</div>
 	</div>
 }

web/src/ui/roomlist/RoomList.css

@@ -45,6 +45,16 @@ div.room-list {
 				text-overflow: ellipsis;
 				white-space: nowrap;
 				overflow: hidden;
+
+				> span.sender-name {
+					display: block;
+					max-width: 6rem;
+					overflow: hidden;
+				}
+
+				> span.preview-text {
+					display: block;
+				}
 			}
 		}
 	}

websocket.go

@@ -254,11 +254,19 @@ func (gmx *Gomuks) sendInitialData(ctx context.Context, conn *websocket.Conn) {
 					return
 				}
 				if previewEvent != nil {
+					previewMember, err := gmx.Client.DB.CurrentState.Get(ctx, room.ID, event.StateMember, previewEvent.Sender.String())
+					if err != nil {
+						log.Err(err).Msg("Failed to get preview member event for room")
+					} else if previewMember != nil {
+						syncRoom.Events = append(syncRoom.Events, previewMember)
+						syncRoom.State[event.StateMember] = map[string]database.EventRowID{
+							*previewMember.StateKey: previewMember.RowID,
+						}
+					}
 					if previewEvent.LastEditRowID != nil {
 						lastEdit, err := gmx.Client.DB.Event.GetByRowID(ctx, *previewEvent.LastEditRowID)
 						if err != nil {
 							log.Err(err).Msg("Failed to get last edit for preview event")
-							return
 						} else if lastEdit != nil {
 							syncRoom.Events = append(syncRoom.Events, lastEdit)
 						}