From 98dda99c5c4c69e34bd4d6097193c6c2c9e50a2d Mon Sep 17 00:00:00 2001
From: h <h@kotikot.com>
Date: Mon, 19 Oct 2026 03:25:48 +0000
Subject: [PATCH] feat(frontend): profiles chip in the feed shows name,
 username, photo and title changes

---
 frontend/src/lib/api/types.ts                 |  3 +-
 .../lib/components/feed/ChatChanges.svelte    | 10 ++-
 .../src/lib/components/feed/FeedEntry.svelte  | 64 +++++++++++++++++--
 .../lib/components/feed/FeedFilters.svelte    |  3 +-
 .../src/lib/components/feed/FeedList.svelte   |  1 +
 .../src/lib/components/feed/FeedPhoto.svelte  | 64 +++++++++++++++++++
 .../src/lib/components/feed/FeedView.svelte   |  8 ++-
 frontend/src/lib/i18n/messages/feed.ts        | 34 ++++++++++
 frontend/src/lib/stores/feed.svelte.ts        |  8 ++-
 9 files changed, 181 insertions(+), 14 deletions(-)
 create mode 100644 frontend/src/lib/components/feed/FeedPhoto.svelte

diff --git a/frontend/src/lib/api/types.ts b/frontend/src/lib/api/types.ts
index 16af511..c29182d 100644
--- a/frontend/src/lib/api/types.ts
+++ b/frontend/src/lib/api/types.ts
@@ -222,7 +222,7 @@ export interface MessageVersion {
   text: string | null;
 }
 
-export type FeedKind = "all" | "deleted" | "edited";
+export type FeedKind = "all" | "deleted" | "edited" | "profile";
 export type FeedChatKind = "dm" | "group" | "channel";
 
 export interface FeedChat {
@@ -237,6 +237,7 @@ export interface FeedItem {
   at: string;
   before: string | null;
   chat: FeedChat;
+  detail: Record<string, [string | null, string | null]> | null;
   edit_date: string | null;
   has_before: boolean;
   id: number;
diff --git a/frontend/src/lib/components/feed/ChatChanges.svelte b/frontend/src/lib/components/feed/ChatChanges.svelte
index 8336680..94871b1 100644
--- a/frontend/src/lib/components/feed/ChatChanges.svelte
+++ b/frontend/src/lib/components/feed/ChatChanges.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-  import type { FeedKind } from "#lib/api/types.js";
+  import type { FeedItem, FeedKind } from "#lib/api/types.js";
   import FeedFilters from "#lib/components/feed/FeedFilters.svelte";
   import FeedList from "#lib/components/feed/FeedList.svelte";
   import { ui } from "#lib/stores/ui.svelte.js";
@@ -16,10 +16,14 @@
     kind = next;
   }
 
-  function open(messageId: number) {
+  function open(item: FeedItem, messageId: number) {
     if (chatId === null) {
       return;
     }
+    if (item.kind === "profile" && !messageId) {
+      ui.openPanel("profile");
+      return;
+    }
     ui.requestJump(chatId, messageId);
     if (isMobile()) {
       ui.closePanel();
@@ -30,6 +34,6 @@
 {#if chatId !== null}
   <FeedFilters {kind} onkind={pick} />
   {#key chatId}
-    <FeedList {chatId} {kind} onopen={(_, messageId) => open(messageId)} />
+    <FeedList {chatId} {kind} onopen={open} />
   {/key}
 {/if}
diff --git a/frontend/src/lib/components/feed/FeedEntry.svelte b/frontend/src/lib/components/feed/FeedEntry.svelte
index f6ad4e9..3f465d1 100644
--- a/frontend/src/lib/components/feed/FeedEntry.svelte
+++ b/frontend/src/lib/components/feed/FeedEntry.svelte
@@ -2,6 +2,7 @@
   import { ripple } from "#lib/actions/ripple.js";
   import type { FeedItem, MessageView } from "#lib/api/types.js";
   import FeedBulk from "#lib/components/feed/FeedBulk.svelte";
+  import FeedPhoto from "#lib/components/feed/FeedPhoto.svelte";
   import FeedText from "#lib/components/feed/FeedText.svelte";
   import Avatar from "#lib/components/ui/Avatar.svelte";
   import Icon from "#lib/components/ui/Icon.svelte";
@@ -20,6 +21,14 @@
 
   let { item, onopen, inChat = false }: Props = $props();
 
+  const FIELD_KEYS = {
+    name: "feed.field.name",
+    photo: "feed.field.photo",
+    title: "feed.field.title",
+    username: "feed.field.username",
+  } as const;
+  const FIELD_ORDER = ["name", "title", "username", "photo"] as const;
+
   let expanded = $state(false);
 
   const ownId = $derived(accounts.selected?.tg_user_id ?? null);
@@ -67,8 +76,14 @@
         ? t("chat.deletedAccount")
         : t("chat.fallbackTitle", { id: item.chat.chat_id }))
   );
+  const profile = $derived(item.kind === "profile");
+  const fields = $derived(
+    FIELD_ORDER.filter((field) => item.detail?.[field]).map(
+      (field) => [field, item.detail?.[field] ?? [null, null]] as const
+    )
+  );
   const title = $derived.by(() => {
-    if (!inChat) {
+    if (!inChat || profile) {
       return chatTitle;
     }
     if (bulk) {
@@ -77,7 +92,7 @@
     return senderName(item.sender_id, item.sender_name);
   });
   const avatar = $derived.by(() => {
-    if (!inChat) {
+    if (!inChat || profile) {
       return {
         has: item.chat.has_avatar,
         id: item.chat.chat_id,
@@ -92,7 +107,7 @@
     };
   });
   const prefix = $derived.by(() => {
-    if (inChat) {
+    if (inChat || profile) {
       return "";
     }
     if (item.outgoing) {
@@ -107,6 +122,13 @@
       : null
   );
 
+  function shown(field: string, value: string | null): string {
+    if (!value) {
+      return t("feed.noText");
+    }
+    return field === "username" ? `@${value}` : value;
+  }
+
   function open() {
     if (bulk) {
       expanded = !expanded;
@@ -142,7 +164,27 @@
           {formatListDate(item.at)}
         </time>
       </span>
-      {#if bulk}
+      {#if profile}
+        {#each fields as [field, pair] (field)}
+          <span class="change now">
+            <span class="tag">{t(FIELD_KEYS[field])}</span>
+            {#if field === "photo"}
+              <FeedPhoto ownerId={item.chat.chat_id} uniqueId={pair[0]} />
+              <span class="arrow">→</span>
+              <FeedPhoto ownerId={item.chat.chat_id} uniqueId={pair[1]} />
+            {:else}
+              <span class="was">{shown(field, pair[0])}</span>
+              <span class="arrow">→</span>
+              {shown(field, pair[1])}
+            {/if}
+          </span>
+        {/each}
+        {#if item.message_count > fields.length}
+          <span class="count">
+            {t("feed.profileCount", { count: item.message_count })}
+          </span>
+        {/if}
+      {:else if bulk}
         <span class="mark">
           <Icon name="delete" size="0.875rem" />
           {inChat
@@ -360,4 +402,18 @@
   .missing {
     font-style: italic;
   }
+
+  .was {
+    color: var(--color-text-secondary);
+  }
+
+  .arrow {
+    margin-inline: 0.25rem;
+    color: var(--color-text-secondary);
+  }
+
+  .count {
+    font-size: 0.8125rem;
+    color: var(--color-text-secondary);
+  }
 </style>
diff --git a/frontend/src/lib/components/feed/FeedFilters.svelte b/frontend/src/lib/components/feed/FeedFilters.svelte
index e257d2a..c91193c 100644
--- a/frontend/src/lib/components/feed/FeedFilters.svelte
+++ b/frontend/src/lib/components/feed/FeedFilters.svelte
@@ -16,6 +16,7 @@
     all: "feed.filter.all",
     deleted: "feed.filter.deleted",
     edited: "feed.filter.edited",
+    profile: "feed.filter.profile",
   } as const;
 
   const CHAT_KEYS = {
@@ -69,7 +70,7 @@
 
   .group {
     display: inline-flex;
-    flex-wrap: nowrap;
+    flex-wrap: wrap;
     gap: 0.25rem;
   }
 
diff --git a/frontend/src/lib/components/feed/FeedList.svelte b/frontend/src/lib/components/feed/FeedList.svelte
index ed0f50e..c635f8b 100644
--- a/frontend/src/lib/components/feed/FeedList.svelte
+++ b/frontend/src/lib/components/feed/FeedList.svelte
@@ -25,6 +25,7 @@
     all: "feed.empty.all",
     deleted: "feed.empty.deleted",
     edited: "feed.empty.edited",
+    profile: "feed.empty.profile",
   } as const;
 
   let items = $state<FeedItem[]>([]);
diff --git a/frontend/src/lib/components/feed/FeedPhoto.svelte b/frontend/src/lib/components/feed/FeedPhoto.svelte
new file mode 100644
index 0000000..31157f8
--- /dev/null
+++ b/frontend/src/lib/components/feed/FeedPhoto.svelte
@@ -0,0 +1,64 @@
+<script lang="ts">
+  import { loadAvatarVariant } from "#lib/api/avatars.js";
+  import Icon from "#lib/components/ui/Icon.svelte";
+
+  interface Props {
+    ownerId: number;
+    uniqueId: string | null;
+  }
+
+  let { ownerId, uniqueId }: Props = $props();
+
+  let url = $state<string | null>(null);
+
+  $effect(() => {
+    url = null;
+    if (uniqueId === null) {
+      return;
+    }
+    let active = true;
+    loadAvatarVariant(ownerId > 0 ? "peer" : "chat", ownerId, uniqueId).then(
+      (resolved) => {
+        if (active) {
+          url = resolved;
+        }
+      }
+    );
+    return () => {
+      active = false;
+    };
+  });
+</script>
+
+<span class="feed-photo">
+  {#if url}
+    <img alt="" src={url}>
+  {:else}
+    <Icon name="photo" size="0.875rem" />
+  {/if}
+</span>
+
+<style lang="scss">
+  .feed-photo {
+    overflow: hidden;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+
+    width: 1.75rem;
+    height: 1.75rem;
+    border-radius: 50%;
+
+    vertical-align: middle;
+
+    color: var(--color-white);
+
+    background-color: var(--color-gray);
+  }
+
+  img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+  }
+</style>
diff --git a/frontend/src/lib/components/feed/FeedView.svelte b/frontend/src/lib/components/feed/FeedView.svelte
index 2e05590..c7030f9 100644
--- a/frontend/src/lib/components/feed/FeedView.svelte
+++ b/frontend/src/lib/components/feed/FeedView.svelte
@@ -11,6 +11,7 @@
     feed,
     messageHref,
   } from "#lib/stores/feed.svelte.js";
+  import { ui } from "#lib/stores/ui.svelte.js";
   import { goto } from "$app/navigation";
   import { page } from "$app/state";
 
@@ -20,8 +21,11 @@
 
   let { filter }: Props = $props();
 
-  function open(item: FeedItem, messageId: number) {
-    goto(messageHref(page.url, item.chat.chat_id, messageId));
+  async function open(item: FeedItem, messageId: number) {
+    await goto(messageHref(page.url, item.chat.chat_id, messageId));
+    if (item.kind === "profile" && !messageId) {
+      ui.openPanel("profile");
+    }
   }
 
   onMount(() => {
diff --git a/frontend/src/lib/i18n/messages/feed.ts b/frontend/src/lib/i18n/messages/feed.ts
index d8ba9b1..e8d0d8c 100644
--- a/frontend/src/lib/i18n/messages/feed.ts
+++ b/frontend/src/lib/i18n/messages/feed.ts
@@ -76,13 +76,22 @@ export const feed = {
     en: "No edited messages yet",
     ru: "Изменённых пока нет",
   },
+  "feed.empty.profile": {
+    en: "No profile changes yet",
+    ru: "Профили пока не менялись",
+  },
   "feed.error": {
     en: "Couldn't load the feed",
     ru: "Не удалось загрузить ленту",
   },
+  "feed.field.name": { en: "Name", ru: "Имя" },
+  "feed.field.photo": { en: "Photo", ru: "Фото" },
+  "feed.field.title": { en: "Title", ru: "Название" },
+  "feed.field.username": { en: "Username", ru: "Юзернейм" },
   "feed.filter.all": { en: "All", ru: "Все" },
   "feed.filter.deleted": { en: "Deleted", ru: "Удалённые" },
   "feed.filter.edited": { en: "Edited", ru: "Изменённые" },
+  "feed.filter.profile": { en: "Profiles", ru: "Профили" },
   "feed.lostText": {
     en: "The earlier text wasn't saved",
     ru: "Прежний текст не сохранился",
@@ -91,6 +100,15 @@ export const feed = {
   "feed.mediaChanged": { en: "Media replaced", ru: "Медиа заменено" },
   "feed.more": { en: "Show more", ru: "Показать ещё" },
   "feed.noText": { en: "No text", ru: "Без текста" },
+  "feed.profileCount": {
+    en: { one: "{count} change", other: "{count} changes" },
+    ru: {
+      few: "{count} изменения",
+      many: "{count} изменений",
+      one: "{count} изменение",
+      other: "{count} изменения",
+    },
+  },
   "feed.retry": { en: "Retry", ru: "Повторить" },
   "feed.title": { en: "Feed", ru: "Лента" },
   "feed.unseen": {
@@ -127,6 +145,20 @@ export const feed = {
   "panel.search": { en: "Search", ru: "Поиск" },
   "panel.trash": { en: "Trash", ru: "Корзина" },
   "panel.versions": { en: "Versions", ru: "Версии" },
+  "thread.copiedId": { en: "ID copied", ru: "ID скопирован" },
+  "thread.copiedText": { en: "Text copied", ru: "Текст скопирован" },
+  "thread.copyId": { en: "Copy ID", ru: "Копировать ID" },
+  "thread.copyText": { en: "Copy text", ru: "Копировать текст" },
+  "thread.deleted": { en: "deleted", ru: "удалено" },
+  "thread.links": {
+    en: { one: "{count} link", other: "{count} links" },
+    ru: {
+      few: "{count} ссылки",
+      many: "{count} ссылок",
+      one: "{count} ссылка",
+      other: "{count} ссылки",
+    },
+  },
   "thread.loadFailed": {
     en: "Couldn't load messages",
     ru: "Не удалось загрузить сообщения",
@@ -135,5 +167,7 @@ export const feed = {
     en: "This message isn't in the archive",
     ru: "Этого сообщения нет в архиве",
   },
+  "thread.senderProfile": { en: "Sender's profile", ru: "Профиль автора" },
   "thread.toLatest": { en: "Jump to latest", ru: "К последним сообщениям" },
+  "thread.toReply": { en: "Go to the reply", ru: "Перейти к ответу" },
 } satisfies Messages;
diff --git a/frontend/src/lib/stores/feed.svelte.ts b/frontend/src/lib/stores/feed.svelte.ts
index 3dfd2fb..98f3b3e 100644
--- a/frontend/src/lib/stores/feed.svelte.ts
+++ b/frontend/src/lib/stores/feed.svelte.ts
@@ -10,7 +10,7 @@ const KIND_PARAM = "feed";
 const CHATS_PARAM = "chats";
 const MESSAGE_PARAM = "message";
 
-export const FEED_KINDS: FeedKind[] = ["all", "deleted", "edited"];
+export const FEED_KINDS: FeedKind[] = ["all", "deleted", "edited", "profile"];
 export const FEED_CHAT_KINDS: FeedChatKind[] = ["dm", "group", "channel"];
 
 export interface FeedFilter {
@@ -59,11 +59,13 @@ function href(url: UrlLike): string {
 export function messageHref(
   url: UrlLike,
   chatId: number,
-  messageId: number
+  messageId?: number
 ): string {
   const next = withFilter(url, feedFilterOf(url));
   next.pathname = `/app/${chatId}`;
-  next.searchParams.set(MESSAGE_PARAM, String(messageId));
+  if (messageId) {
+    next.searchParams.set(MESSAGE_PARAM, String(messageId));
+  }
   return href(next);
 }