feat(client): support Story message media

packages/client/src/methods/files/normalize-input-media.ts

@@ -30,7 +30,18 @@ export async function _normalizeInputMedia(
 
     // thanks to @pacificescape for pointing out messages.uploadMedia method
 
-    if (tl.isAnyInputMedia(media)) return media
+    if (tl.isAnyInputMedia(media)) {
+        // make sure the peers in the media are correctly resolved (i.e. mtcute.* ones are replaced with proper ones)
+        switch (media._) {
+            case 'inputMediaStory':
+                return {
+                    ...media,
+                    peer: await resolvePeer(client, media.peer),
+                }
+        }
+
+        return media
+    }
 
     if (media.type === 'venue') {
         return {

packages/client/src/types/media/index.ts

@@ -9,6 +9,7 @@ export * from './location.js'
 export * from './photo.js'
 export * from './poll.js'
 export * from './sticker.js'
+export * from './story.js'
 export * from './thumbnail.js'
 export * from './venue.js'
 export * from './video.js'

packages/client/src/types/media/story.ts

@@ -0,0 +1,61 @@
+import { tl } from '@mtcute/core'
+
+import { makeInspectable } from '../../utils/inspectable.js'
+import { parsePeer, Peer } from '../peers/peer.js'
+import { PeersIndex } from '../peers/peers-index.js'
+import { Story } from '../stories/story.js'
+
+/**
+ * Information about a "forwarded" story in a message,
+ * internally represented as a message media
+ */
+export class MediaStory {
+    readonly type = 'story' as const
+
+    constructor(
+        readonly raw: tl.RawMessageMediaStory,
+        readonly _peers: PeersIndex,
+    ) {}
+
+    /**
+     * Whether this story was automatically forwarded to you
+     * because you were mentioned in it
+     */
+    get isMention(): boolean {
+        return this.raw.viaMention!
+    }
+
+    /**
+     * Peer who has posted this story
+     */
+    get peer(): Peer {
+        return parsePeer(this.raw.peer, this._peers)
+    }
+
+    /**
+     * ID of the story
+     */
+    get storyId(): number {
+        return this.raw.id
+    }
+
+    /**
+     * Contents of the story. May not be available, in which case the story
+     * should be fetched using {@link getStoriesById}
+     */
+    get story(): Story | null {
+        if (this.raw.story?._ !== 'storyItem') return null
+
+        return new Story(this.raw.story, this._peers)
+    }
+
+    get inputMedia(): tl.TypeInputMedia {
+        return {
+            _: 'inputMediaStory',
+            peer: this.peer.inputPeer,
+            id: this.raw.id,
+        }
+    }
+}
+
+makeInspectable(MediaStory, undefined, ['inputMedia'])

packages/client/src/types/media/web-page.ts

@@ -50,7 +50,7 @@ export class WebPage {
      * Officially documented are:
      * `article, photo, audio, video, document, profile, app`,
      * but also these are encountered:
-     * `telegram_user, telegram_bot, telegram_channel, telegram_megagroup`:
+     * `telegram_user, telegram_bot, telegram_channel, telegram_megagroup, telegram_story`:
      *
      * - `telegram_*` ones seem to be used for `t.me` links.
      * - `article` seems to be used for almost all custom pages with `og:*` tags

packages/client/src/types/messages/message-media.ts

@@ -11,6 +11,7 @@ import { LiveLocation, Location } from '../media/location.js'
 import { Photo } from '../media/photo.js'
 import { Poll } from '../media/poll.js'
 import { Sticker } from '../media/sticker.js'
+import { MediaStory } from '../media/story.js'
 import { Venue } from '../media/venue.js'
 import { Video } from '../media/video.js'
 import { Voice } from '../media/voice.js'
@@ -34,6 +35,7 @@ export type MessageMedia =
     | Venue
     | Poll
     | Invoice
+    | MediaStory
     | null
 export type MessageMediaType = Exclude<MessageMedia, null>['type']
 
@@ -84,6 +86,15 @@ export function _messageMediaFromTl(peers: PeersIndex | null, m: tl.TypeMessageM
 
             return new Invoice(m, extended)
         }
+        case 'messageMediaStory': {
+            if (!peers) {
+                // should only be possible in extended media
+                // (and afaik stories can't be there)
+                throw new MtTypeAssertionError("can't create story without peers index", 'PeersIndex', 'null')
+            }
+
+            return new MediaStory(m, peers)
+        }
         default:
             return null
     }

packages/client/src/types/stories/interactive/location.ts

@@ -3,7 +3,7 @@ import { assertTypeIs } from '@mtcute/core/utils.js'
 
 import { makeInspectable } from '../../../utils/index.js'
 import { memoizeGetters } from '../../../utils/memoize.js'
-import { Location } from '../../media/index.js'
+import { Location } from '../../media/location.js'
 import { StoryInteractiveArea } from './base.js'
 
 /**

packages/client/src/types/stories/interactive/venue.ts

@@ -3,7 +3,8 @@ import { assertTypeIs } from '@mtcute/core/utils.js'
 
 import { makeInspectable } from '../../../utils/index.js'
 import { memoizeGetters } from '../../../utils/memoize.js'
-import { Location, VenueSource } from '../../media/index.js'
+import { Location } from '../../media/location.js'
+import { VenueSource } from '../../media/venue.js'
 import { StoryInteractiveArea } from './base.js'
 
 /**

packages/client/src/types/stories/story-interactions.ts

@@ -2,7 +2,8 @@ import { tl } from '@mtcute/core'
 
 import { makeInspectable } from '../../utils/index.js'
 import { memoizeGetters } from '../../utils/memoize.js'
-import { PeersIndex, User } from '../peers/index.js'
+import { PeersIndex } from '../peers/peers-index.js'
+import { User } from '../peers/user.js'
 import { ReactionCount } from '../reactions/reaction-count.js'
 
 /**

packages/client/src/types/stories/story.ts

@@ -2,8 +2,10 @@ import { MtUnsupportedError, tl } from '@mtcute/core'
 
 import { makeInspectable } from '../../utils/index.js'
 import { memoizeGetters } from '../../utils/memoize.js'
-import { Photo, Video } from '../media/index.js'
-import { _messageMediaFromTl, MessageEntity } from '../messages/index.js'
+import { parseDocument } from '../media/document-utils.js'
+import { Photo } from '../media/photo.js'
+import { Video } from '../media/video.js'
+import { MessageEntity } from '../messages/message-entity.js'
 import { PeersIndex } from '../peers/index.js'
 import { ReactionEmoji, toReactionEmoji } from '../reactions/index.js'
 import { _storyInteractiveElementFromTl, StoryInteractiveElement } from './interactive/index.js'
@@ -114,17 +116,22 @@ export class Story {
      * Currently, can only be {@link Photo} or {@link Video}.
      */
     get media(): StoryMedia {
-        const media = _messageMediaFromTl(this._peers, this.raw.media)
+        switch (this.raw.media._) {
+            case 'messageMediaPhoto':
+                if (this.raw.media.photo?._ !== 'photo') throw new MtUnsupportedError('Unsupported story media type')
 
-        switch (media?.type) {
-            case 'photo':
-            case 'video':
-                return media
-            default:
-                throw new MtUnsupportedError('Unsupported story media type')
+                return new Photo(this.raw.media.photo, this.raw.media)
+            case 'messageMediaDocument': {
+                if (this.raw.media.document?._ !== 'document') { throw new MtUnsupportedError('Unsupported story media type') }
+
+                const doc = parseDocument(this.raw.media.document, this.raw.media)
+                if (doc.type === 'video') return doc
             }
         }
 
+        throw new MtUnsupportedError('Unsupported story media type')
+    }
+
     /**
      * Interactive elements of the story
      */