Add pinned message notifications

_locales/en/messages.json

@@ -3408,6 +3408,14 @@
     "messageformat": "You donated for {recipient}",
     "description": "Shown to label a donation badge you've sent in notifications and the left pane"
   },
+  "icu:message--pinned--preview--received": {
+    "messageformat": "{sender} pinned a message",
+    "description": "Shown to label pinned message notification in notifications and the left pane."
+  },
+  "icu:message--pinned--preview--sent": {
+    "messageformat": "You pinned a message",
+    "description": "Shown to label pinned message notification in notifications and the left pane."
+  },
   "icu:message--donation": {
     "messageformat": "Donation",
     "description": "Shown to label the donation badge you've redeemed on another device."

ts/components/conversation/pinned-messages/PinnedMessagesBar.dom.tsx

@@ -232,26 +232,27 @@ function TabTrigger(props: {
   );
 }
 
+type ContentProps = Readonly<{
+  i18n: LocalizerType;
+  pin: Pin;
+  onPinGoTo: (messageId: string) => void;
+  onPinRemove: (messageId: string) => void;
+  onPinsShowAll: () => void;
+  canPinMessages: boolean;
+}>;
+
 const Content = forwardRef(function Content(
-  props: {
-    i18n: LocalizerType;
-    pin: Pin;
-    onPinGoTo: (messageId: string) => void;
-    onPinRemove: (messageId: string) => void;
-    onPinsShowAll: () => void;
-    canPinMessages: boolean;
-  },
-  ref: ForwardedRef<HTMLDivElement>
-): JSX.Element {
-  const {
+  {
     i18n,
     pin,
     onPinGoTo,
     onPinRemove,
     onPinsShowAll,
+    canPinMessages,
     ...forwardedProps
-  } = props;
-
+  }: ContentProps,
+  ref: ForwardedRef<HTMLDivElement>
+): JSX.Element {
   const handlePinGoTo = useCallback(() => {
     onPinGoTo(pin.message.id);
   }, [onPinGoTo, pin.message.id]);
@@ -277,10 +278,10 @@ const Content = forwardRef(function Content(
       {thumbnailUrl != null && <ImageThumbnail url={thumbnailUrl} />}
       <div className={tw('min-w-0 flex-1')}>
         <h1 className={tw('type-body-small font-semibold text-label-primary')}>
-          <UserText text={props.pin.sender.title} />
+          <UserText text={pin.sender.title} />
         </h1>
         <p className={tw('me-2 truncate type-body-medium text-label-primary')}>
-          <MessagePreview i18n={i18n} message={props.pin.message} />
+          <MessagePreview i18n={i18n} message={pin.message} />
         </p>
         <AriaClickable.HiddenTrigger
           aria-label={i18n(
@@ -302,7 +303,7 @@ const Content = forwardRef(function Content(
             />
           </AxoDropdownMenu.Trigger>
           <AxoDropdownMenu.Content>
-            {props.canPinMessages && (
+            {canPinMessages && (
               <AxoDropdownMenu.Item
                 symbol="pin-slash"
                 onSelect={handlePinRemove}

ts/messageModifiers/PinnedMessages.preload.ts

@@ -93,6 +93,13 @@ export async function onPinnedMessageAdd(
     }
   }
 
+  if (result.change?.inserted) {
+    await targetConversation.addNotification('pinned-message-notification', {
+      pinnedMessageId: targetMessage.id,
+      sourceServiceId: props.pinnedByAci,
+    });
+  }
+
   window.reduxActions.pinnedMessages.onPinnedMessagesChanged(
     targetConversation.id
   );

ts/services/backups/export.preload.ts

@@ -1933,7 +1933,8 @@ export class BackupExportStream extends Readable {
     }
 
     if (isPinnedMessageNotification(message)) {
-      throw new Error('unimplemented');
+      // TODO(jamie): Implement backups for pinned messages
+      return { kind: NonBubbleResultKind.Drop };
     }
 
     if (isProfileChange(message)) {

ts/state/ducks/pinnedMessages.preload.ts

@@ -134,6 +134,11 @@ function onPinnedMessageAdd(
 ): StateThunk {
   return async dispatch => {
     const target = await getPinnedMessageTarget(targetMessageId);
+    const targetConversation = window.ConversationController.get(
+      target.conversationId
+    );
+    strictAssert(targetConversation != null, 'Missing target conversation');
+
     await conversationJobQueue.add({
       type: conversationQueueJobEnum.enum.PinMessage,
       ...target,
@@ -152,6 +157,11 @@ function onPinnedMessageAdd(
       pinnedAt,
     });
 
+    await targetConversation.addNotification('pinned-message-notification', {
+      pinnedMessageId: targetMessageId,
+      sourceServiceId: itemStorage.user.getCheckedAci(),
+    });
+
     dispatch(onPinnedMessagesChanged(target.conversationId));
   };
 }

ts/util/getNotificationDataForMessage.preload.ts

@@ -512,7 +512,21 @@ export function getNotificationDataForMessage(
   }
 
   if (isPinnedMessageNotification(attributes)) {
-    throw new Error('unimplemented');
+    const fromContact = getAuthor(attributes);
+    const ourAci = itemStorage.user.getCheckedAci();
+
+    let text: string;
+    if (fromContact?.getAci() === ourAci) {
+      text = i18n('icu:message--pinned--preview--sent');
+    } else {
+      const sender = fromContact?.getTitle() ?? i18n('icu:unknownContact');
+      text = i18n('icu:message--pinned--preview--received', { sender });
+    }
+
+    return {
+      emoji: '📌',
+      text,
+    };
   }
 
   const { poll } = attributes;