Fix export of redacted polls (#8118)

* Move RequiresClient from MatrixCapabilities to ElementWidgetCapabilities

Signed-off-by: Robin Kouwenhoven <r.kouwenhoven@outlook.com>

* Fix export of redacted polls

* Fix ESLint error

* Add test cases for poll events

* Add test cases for message events

* Fix lint errors

* Fix i18n error

* Revert "Move RequiresClient from MatrixCapabilities to ElementWidgetCapabilities"

This reverts commit 920f80a2d4385656925987ccc9d37420255405c1.

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
Co-authored-by: Kerry <kerrya@element.io>

src/TextForEvent.tsx

@@ -317,16 +317,7 @@ function textForMessageEvent(ev: MatrixEvent): () => string | null {
         const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
         let message = ev.getContent().body;
         if (ev.isRedacted()) {
-            message = _t("Message deleted");
+            message = textForRedactedPollAndMessageEvent(ev);
-            const unsigned = ev.getUnsigned();
-            const redactedBecauseUserId = unsigned?.redacted_because?.sender;
-            if (redactedBecauseUserId && redactedBecauseUserId !== ev.getSender()) {
-                const room = MatrixClientPeg.get().getRoom(ev.getRoomId());
-                const sender = room?.getMember(redactedBecauseUserId);
-                message = _t("Message deleted by %(name)s", {
-                    name: sender?.name || redactedBecauseUserId,
-                });
-            }
         }
 
         if (SettingsStore.isEnabled("feature_extensible_events")) {
@@ -727,11 +718,38 @@ export function textForLocationEvent(event: MatrixEvent): () => string | null {
     });
 }
 
+function textForRedactedPollAndMessageEvent(ev: MatrixEvent): string {
+    let message = _t("Message deleted");
+    const unsigned = ev.getUnsigned();
+    const redactedBecauseUserId = unsigned?.redacted_because?.sender;
+    if (redactedBecauseUserId && redactedBecauseUserId !== ev.getSender()) {
+        const room = MatrixClientPeg.get().getRoom(ev.getRoomId());
+        const sender = room?.getMember(redactedBecauseUserId);
+        message = _t("Message deleted by %(name)s", {
+            name: sender?.name || redactedBecauseUserId,
+        });
+    }
+
+    return message;
+}
+
 function textForPollStartEvent(event: MatrixEvent): () => string | null {
-    return () => _t("%(senderName)s has started a poll - %(pollQuestion)s", {
+    return () => {
-        senderName: getSenderName(event),
+        let message = '';
-        pollQuestion: (event.unstableExtensibleEvent as PollStartEvent)?.question?.text,
+
-    });
+        if (event.isRedacted()) {
+            message = textForRedactedPollAndMessageEvent(event);
+            const senderDisplayName = event.sender?.name ?? event.getSender();
+            message = senderDisplayName + ': ' + message;
+        } else {
+            message = _t("%(senderName)s has started a poll - %(pollQuestion)s", {
+                senderName: getSenderName(event),
+                pollQuestion: (event.unstableExtensibleEvent as PollStartEvent)?.question?.text,
+            });
+        }
+
+        return message;
+    };
 }
 
 function textForPollEndEvent(event: MatrixEvent): () => string | null {

src/i18n/strings/en_EN.json

@@ -525,8 +525,6 @@
     "%(senderDisplayName)s set the server ACLs for this room.": "%(senderDisplayName)s set the server ACLs for this room.",
     "%(senderDisplayName)s changed the server ACLs for this room.": "%(senderDisplayName)s changed the server ACLs for this room.",
     "🎉 All servers are banned from participating! This room can no longer be used.": "🎉 All servers are banned from participating! This room can no longer be used.",
-    "Message deleted": "Message deleted",
-    "Message deleted by %(name)s": "Message deleted by %(name)s",
     "%(senderDisplayName)s sent an image.": "%(senderDisplayName)s sent an image.",
     "%(senderDisplayName)s sent a sticker.": "%(senderDisplayName)s sent a sticker.",
     "%(senderName)s set the main address for this room to %(address)s.": "%(senderName)s set the main address for this room to %(address)s.",
@@ -575,6 +573,8 @@
     "%(senderName)s changed a rule that was banning servers matching %(oldGlob)s to matching %(newGlob)s for %(reason)s": "%(senderName)s changed a rule that was banning servers matching %(oldGlob)s to matching %(newGlob)s for %(reason)s",
     "%(senderName)s updated a ban rule that was matching %(oldGlob)s to matching %(newGlob)s for %(reason)s": "%(senderName)s updated a ban rule that was matching %(oldGlob)s to matching %(newGlob)s for %(reason)s",
     "%(senderName)s has shared their location": "%(senderName)s has shared their location",
+    "Message deleted": "Message deleted",
+    "Message deleted by %(name)s": "Message deleted by %(name)s",
     "%(senderName)s has started a poll - %(pollQuestion)s": "%(senderName)s has started a poll - %(pollQuestion)s",
     "%(senderName)s has ended a poll": "%(senderName)s has ended a poll",
     "Light": "Light",

test/TextForEvent-test.ts

@@ -379,4 +379,64 @@ describe('TextForEvent', () => {
             expect(textForEvent(event)).toEqual(result);
         });
     });
+
+    describe("textForPollStartEvent()", () => {
+        let pollEvent;
+
+        beforeEach(() => {
+            pollEvent = new MatrixEvent({
+                type: 'org.matrix.msc3381.poll.start',
+                sender: '@a',
+                content: {
+                    'org.matrix.msc3381.poll.start': {
+                        answers: [
+                            { 'org.matrix.msc1767.text': 'option1' },
+                            { 'org.matrix.msc1767.text': 'option2' },
+                        ],
+                        question: {
+                            'body': 'Test poll name',
+                            'msgtype': 'm.text',
+                            'org.matrix.msc1767.text': 'Test poll name',
+                        },
+                    },
+                },
+            });
+        });
+
+        it("returns correct message for redacted poll start", () => {
+            pollEvent.makeRedacted(pollEvent);
+
+            expect(textForEvent(pollEvent)).toEqual('@a: Message deleted');
+        });
+
+        it("returns correct message for normal poll start", () => {
+            expect(textForEvent(pollEvent)).toEqual('@a has started a poll - ');
+        });
+    });
+
+    describe("textForMessageEvent()", () => {
+        let messageEvent;
+
+        beforeEach(() => {
+            messageEvent = new MatrixEvent({
+                type: 'm.room.message',
+                sender: '@a',
+                content: {
+                    'body': 'test message',
+                    'msgtype': 'm.text',
+                    'org.matrix.msc1767.text': 'test message',
+                },
+            });
+        });
+
+        it("returns correct message for redacted message", () => {
+            messageEvent.makeRedacted(messageEvent);
+
+            expect(textForEvent(messageEvent)).toEqual('@a: Message deleted');
+        });
+
+        it("returns correct message for normal message", () => {
+            expect(textForEvent(messageEvent)).toEqual('@a: test message');
+        });
+    });
 });