feat: add admin telegram profile links and avatar preview

frontend/src/lib/admin/stores/usersStore.js

@@ -319,6 +319,28 @@ export function createUsersStore({ api, onToast, at }) {
     }
   }
 
+  async function sendTelegramProfileLink() {
+    let s;
+    state.update((st) => {
+      s = st;
+      return st;
+    });
+    if (!s.openedUser) return;
+    state.update((st) => ({ ...st, userActionBusy: true }));
+    try {
+      const res = await api(`/admin/users/${s.openedUser.user_id}/telegram-profile-link`, {
+        method: "POST",
+      });
+      if (res?.ok) {
+        onToast(at("user_tg_profile_link_sent", {}, "Ссылка отправлена в Telegram"));
+      } else {
+        onToast(res?.error || at("user_tg_profile_link_failed", {}, "Не удалось отправить ссылку"));
+      }
+    } finally {
+      state.update((st) => ({ ...st, userActionBusy: false }));
+    }
+  }
+
   async function extendUser() {
     let s;
     state.update((st) => {
@@ -510,6 +532,7 @@ export function createUsersStore({ api, onToast, at }) {
     sendUserMessage,
     requestSendUserMessage,
     previewUserMessage,
+    sendTelegramProfileLink,
     extendUser,
     resetTrialUser,
     deleteUser,

frontend/src/lib/admin/users.js

@@ -25,6 +25,50 @@ export function userAvatarUrl(user) {
   return value && !value.startsWith("/api/account/avatar") ? value : "";
 }
 
+export function userTelegramProfileLink(user) {
+  const username = String(user?.username || "")
+    .trim()
+    .replace(/^@+/, "");
+  if (username) return `https://t.me/${encodeURIComponent(username)}`;
+
+  const telegramId = Number(user?.telegram_id);
+  if (Number.isFinite(telegramId) && telegramId > 0) {
+    return `tg://user?id=${encodeURIComponent(String(Math.trunc(telegramId)))}`;
+  }
+
+  return "";
+}
+
+export function userTelegramProfileLinkKind(user) {
+  return String(user?.username || "").trim()
+    ? "username"
+    : userTelegramProfileLink(user)
+      ? "id"
+      : "";
+}
+
+export function openTelegramProfileLink(link) {
+  if (!link || typeof window === "undefined") return false;
+
+  const tg = window.Telegram?.WebApp;
+  if (/^https:\/\/(?:t|telegram)\.me\//i.test(link) && typeof tg?.openTelegramLink === "function") {
+    try {
+      tg.openTelegramLink(link);
+      return true;
+    } catch {
+      // Fall through to the normal browser/deep-link handling below.
+    }
+  }
+
+  if (/^https?:\/\//i.test(link)) {
+    window.open(link, "_blank", "noopener,noreferrer");
+    return true;
+  }
+
+  window.location.href = link;
+  return true;
+}
+
 export function createGravatarCache(onResolved = () => {}) {
   const cache = new Map();
   const pending = new Map();