provide redact method on tile and room

also add some logging

src/domain/session/room/timeline/tiles/BaseMessageTile.js

@@ -97,4 +97,8 @@ export class BaseMessageTile extends SimpleTile {
             this.emitChange("isContinuation");
         }
     }
+
+    redact(reason) {
+        this._room.sendRedaction(this._entry.id, reason);
+    }
 }

src/domain/session/room/timeline/tiles/GapTile.js

@@ -24,10 +24,6 @@ export class GapTile extends SimpleTile {
         this._error = null;
     }
 
-    get _room() {
-        return this.getOption("room");
-    }
-
     async fill() {
         // prevent doing this twice
         if (!this._loading) {

src/domain/session/room/timeline/tiles/SimpleTile.js

@@ -118,4 +118,8 @@ export class SimpleTile extends ViewModel {
         super.dispose();
     }
     // TilesCollection contract above
+
+    get _room() {
+        return this.getOption("room");
+    }
 }

src/matrix/room/Room.js

@@ -297,6 +297,14 @@ export class Room extends BaseRoom {
         });
     }
 
+    /** @public */
+    sendRedaction(eventIdOrTxnId, reason, log = null) {
+        this._platform.logger.wrapOrRun(log, "redact", log => {
+            log.set("id", this.id);
+            return this._sendQueue.enqueueRedaction(eventIdOrTxnId, reason, log);
+        });
+    }
+
     /** @public */
     async ensureMessageKeyIsShared(log = null) {
         if (!this._roomEncryption) {

src/matrix/room/sending/SendQueue.js

@@ -201,6 +201,7 @@ export class SendQueue {
 
     async enqueueRedaction(eventIdOrTxnId, reason, log) {
         if (isTxnId(eventIdOrTxnId)) {
+            log.set("txnIdToRedact", eventIdOrTxnId);
             const txnId = eventIdOrTxnId;
             const pe = this._pendingEvents.array.find(pe => pe.txnId === txnId);
             if (pe && !pe.remoteId && pe.status !== SendStatus.Sending) {
@@ -216,6 +217,8 @@ export class SendQueue {
                 // and a bit complicated to fix.
                 return;
             }
+        } else {
+            log.set("eventIdToRedact", eventIdOrTxnId);
         }
         await this._enqueueEvent(REDACTION_TYPE, {reason}, null, eventIdOrTxnId, log);
     }