Introduce Gift Premium (#1967)

src/api/gramjs/apiBuilders/messages.ts

@@ -813,6 +813,7 @@ function buildAction(
   let type: ApiAction['type'] = 'other';
   let photo: ApiPhoto | undefined;
   let score: number | undefined;
+  let months: number | undefined;
 
   const targetUserIds = 'users' in action
     ? action.users && action.users.map((id) => buildApiPeerId(id, 'user'))
@@ -944,6 +945,19 @@ function buildAction(
   } else if (action instanceof GramJs.MessageActionWebViewDataSent) {
     text = 'Notification.WebAppSentData';
     translationValues.push(action.text);
+  } else if (action instanceof GramJs.MessageActionGiftPremium) {
+    text = isOutgoing ? 'ActionGiftOutbound' : 'ActionGiftInbound';
+    if (isOutgoing) {
+      translationValues.push('%gift_payment_amount%');
+    } else {
+      translationValues.push('%action_origin%', '%gift_payment_amount%');
+    }
+    if (targetPeerId) {
+      targetUserIds.push(targetPeerId);
+    }
+    currency = action.currency;
+    amount = action.amount.toJSNumber();
+    months = action.months;
   } else {
     text = 'ChatList.UnsupportedMessage';
   }
@@ -965,6 +979,7 @@ function buildAction(
     call,
     phoneCall,
     score,
+    months,
   };
 }
 

src/api/gramjs/methods/index.ts

@@ -41,7 +41,7 @@ export {
   fetchStickerSets, fetchRecentStickers, fetchFavoriteStickers, fetchFeaturedStickers,
   faveSticker, fetchStickers, fetchSavedGifs, saveGif, searchStickers, installStickerSet, uninstallStickerSet,
   searchGifs, fetchAnimatedEmojis, fetchStickersForEmoji, fetchEmojiKeywords, fetchAnimatedEmojiEffects,
-  removeRecentSticker, clearRecentStickers,
+  removeRecentSticker, clearRecentStickers, fetchPremiumGifts,
 } from './symbols';
 
 export {

src/api/gramjs/methods/symbols.ts

@@ -163,6 +163,21 @@ export async function fetchAnimatedEmojiEffects() {
   };
 }
 
+export async function fetchPremiumGifts() {
+  const result = await invokeRequest(new GramJs.messages.GetStickerSet({
+    stickerset: new GramJs.InputStickerSetPremiumGifts(),
+  }));
+
+  if (!(result instanceof GramJs.messages.StickerSet)) {
+    return undefined;
+  }
+
+  return {
+    set: buildStickerSet(result.set),
+    stickers: processStickerResult(result.documents),
+  };
+}
+
 export async function searchStickers({ query, hash = '0' }: { query: string; hash?: string }) {
   const result = await invokeRequest(new GramJs.messages.SearchStickerSets({
     q: query,

src/api/types/messages.ts

@@ -235,6 +235,7 @@ export interface ApiAction {
   call?: Partial<ApiGroupCall>;
   phoneCall?: PhoneCallAction;
   score?: number;
+  months?: number;
 }
 
 export interface ApiWebPage {

src/assets/mir.svg

@@ -0,0 +1 @@
+<svg width="100" height="80" fill="none" xmlns="http://www.w3.org/2000/svg"><path fill="#fff" d="M0 0h100v80H0z"/><g clip-path="url(#a)"><path d="M31.558 29.005v.01c-.01 0-3.126-.01-3.957 2.967-.761 2.73-2.908 10.265-2.967 10.473h-.594s-2.196-7.703-2.967-10.482c-.832-2.978-3.957-2.968-3.957-2.968H10V51.65h7.119V38.2h.593l4.155 13.45h4.943l4.155-13.44h.593v13.44h7.119V29.005h-7.119Zm26.006 0s-2.087.188-3.066 2.374l-5.042 11.076h-.594v-13.45h-7.119V51.65h6.724s2.186-.198 3.165-2.374L56.575 38.2h.593v13.45h7.12V29.005h-6.724Zm9.889 10.284v12.362h7.119v-7.218h7.712a7.703 7.703 0 0 0 7.268-5.14h-22.1v-.004Z" fill="#4DB45E"/><path d="M82.287 29.005H66.454c.791 4.313 4.026 7.772 8.207 8.9.97.262 1.972.395 2.977.395h12.204A7.604 7.604 0 0 0 90 36.718a7.711 7.711 0 0 0-7.713-7.713Z" fill="url(#b)"/></g><defs><linearGradient id="b" x1="66.454" y1="33.653" x2="90" y2="33.653" gradientUnits="userSpaceOnUse"><stop offset=".3" stop-color="#00B4E6"/><stop offset="1" stop-color="#088CCB"/></linearGradient><clipPath id="a"><path fill="#fff" transform="translate(10 29)" d="M0 0h80v22.656H0z"/></clipPath></defs></svg>

src/bundles/extra.ts

@@ -13,6 +13,7 @@ export { default as BotTrustModal } from '../components/main/BotTrustModal';
 export { default as BotAttachModal } from '../components/main/BotAttachModal';
 export { default as DeleteFolderDialog } from '../components/main/DeleteFolderDialog';
 export { default as PremiumMainModal } from '../components/main/premium/PremiumMainModal';
+export { default as GiftPremiumModal } from '../components/main/premium/GiftPremiumModal';
 export { default as PremiumLimitReachedModal } from '../components/main/premium/common/PremiumLimitReachedModal';
 
 export { default as AboutAdsModal } from '../components/common/AboutAdsModal';

src/components/common/helpers/detectCardType.ts

@@ -1,17 +1,20 @@
 const VISA = /^4[0-9]{12}(?:[0-9]{1,3})?$/;
 const MASTERCARD1 = /^5[1-5][0-9]{11,14}$/;
 const MASTERCARD2 = /^2[2-7][0-9]{11,14}$/;
+const MIR = /^220[0-4]/;
 
 export enum CardType {
   Default,
   Visa,
   Mastercard,
+  Mir,
 }
 
 const cards: Record<number, string> = {
   [CardType.Default]: '',
   [CardType.Visa]: 'visa',
   [CardType.Mastercard]: 'mastercard',
+  [CardType.Mir]: 'mir',
 };
 
 export function detectCardType(cardNumber: string): number {
@@ -19,6 +22,9 @@ export function detectCardType(cardNumber: string): number {
   if (VISA.test(cardNumber)) {
     return CardType.Visa;
   }
+  if (MIR.test(cardNumber)) {
+    return CardType.Mir;
+  }
   if (MASTERCARD1.test(cardNumber) || MASTERCARD2.test(cardNumber)) {
     return CardType.Mastercard;
   }

src/components/common/helpers/renderActionMessageText.tsx

@@ -55,6 +55,15 @@ export function renderActionMessageText(
   if (translationKey.includes('ScoredInGame')) { // Translation hack for games
     unprocessed = unprocessed.replace('un1', '%action_origin%').replace('un2', '%message%');
   }
+  if (translationKey === 'ActionGiftOutbound') { // Translation hack for Premium Gift
+    unprocessed = unprocessed.replace('un2', '%gift_payment_amount%').replace(/\*\*/g, '');
+  }
+  if (translationKey === 'ActionGiftInbound') { // Translation hack for Premium Gift
+    unprocessed = unprocessed
+      .replace('un1', '%action_origin%')
+      .replace('un2', '%gift_payment_amount%')
+      .replace(/\*\*/g, '');
+  }
   let processed: TextPart[];
 
   if (unprocessed.includes('%payment_amount%')) {
@@ -80,6 +89,16 @@ export function renderActionMessageText(
   unprocessed = processed.pop() as string;
   content.push(...processed);
 
+  if (unprocessed.includes('%gift_payment_amount%')) {
+    processed = processPlaceholder(
+      unprocessed,
+      '%gift_payment_amount%',
+      formatCurrency(amount!, currency!, lang.code),
+    );
+    unprocessed = processed.pop() as string;
+    content.push(...processed);
+  }
+
   if (unprocessed.includes('%score%')) {
     processed = processPlaceholder(
       unprocessed,

src/components/main/Main.tsx

@@ -169,6 +169,7 @@ const Main: FC<StateProps> = ({
     loadCountryList,
     loadAvailableReactions,
     loadStickerSets,
+    loadPremiumGifts,
     loadAddedStickers,
     loadFavoriteStickers,
     ensureTimeFormat,
@@ -206,10 +207,12 @@ const Main: FC<StateProps> = ({
       loadEmojiKeywords({ language: BASE_EMOJI_KEYWORD_LANG });
       loadAttachMenuBots();
       loadContactList();
+      loadPremiumGifts();
     }
   }, [
     lastSyncTime, loadAnimatedEmojis, loadEmojiKeywords, loadNotificationExceptions, loadNotificationSettings,
     loadTopInlineBots, updateIsOnline, loadAvailableReactions, loadAppConfig, loadAttachMenuBots, loadContactList,
+    loadPremiumGifts,
   ]);
 
   // Language-based API calls

src/components/main/premium/GiftOption.module.scss

@@ -0,0 +1,110 @@
+.wrapper {
+  position: relative;
+  display: block;
+  padding-inline: 4.5rem 1rem;
+  margin-bottom: 1.5rem;
+  border-radius: var(--border-radius-default);
+  background: var(--color-background);
+  box-shadow: 0 0 0 0.0625rem var(--color-borders-input);
+
+  cursor: pointer;
+
+  line-height: 1.5rem;
+}
+
+.active {
+  box-shadow: 0 0 0 0.125rem var(--color-primary);
+}
+
+.input {
+  position: absolute;
+  z-index: var(--z-below);
+  opacity: 0;
+
+  &:checked ~ .content {
+    &::before {
+      border-color: var(--color-primary);
+    }
+
+    &::after {
+      opacity: 1;
+    }
+  }
+}
+
+.content {
+  display: grid;
+  grid-template-areas: "left_top right" "left_bottom right";
+  grid-template-columns: 1fr auto;
+  justify-content: start;
+  padding: 0.5rem 0;
+  gap: 0.25rem;
+
+  &::before,
+  &::after {
+    content: "";
+    display: block;
+    position: absolute;
+    inset-inline-start: 1.0625rem;
+    top: 50%;
+    width: 1.25rem;
+    height: 1.25rem;
+    transform: translateY(-50%);
+  }
+
+  &::before {
+    border: 2px solid var(--color-borders-input);
+    border-radius: 50%;
+    background-color: var(--color-background);
+    opacity: 1;
+    transition: border-color 0.1s ease, opacity 0.1s ease;
+  }
+
+  &::after {
+    inset-inline-start: 1.375rem;
+    width: 0.625rem;
+    height: 0.625rem;
+    border-radius: 50%;
+    background: var(--color-primary);
+    opacity: 0;
+    transition: opacity 0.1s ease;
+  }
+}
+
+.month {
+  grid-area: left_top;
+  white-space: nowrap;
+}
+
+.perMonth {
+  grid-area: left_bottom;
+  align-self: end;
+  display: flex;
+  flex-direction: row-reverse;
+  margin-inline-end: auto;
+
+  font-size: 0.875rem;
+  color: var(--color-text-secondary);
+
+  @media (max-width: 450px) {
+    flex-direction: column-reverse;
+  }
+}
+
+.amount {
+  grid-area: right;
+  align-self: center;
+  justify-self: end;
+  padding-inline-start: 1.5rem;
+  color: var(--color-text-secondary);
+}
+
+.discount {
+  color: var(--color-white);
+  background: var(--color-primary);
+  border-radius: var(--border-radius-default-small);
+  padding: 0 0.5rem;
+  unicode-bidi: plaintext;
+  margin-inline-end: 0.5rem;
+  align-self: baseline;
+}

src/components/main/premium/GiftOption.tsx

@@ -0,0 +1,64 @@
+import type { ChangeEvent } from 'react';
+import React, { memo, useCallback, useMemo } from '../../../lib/teact/teact';
+
+import type { FC } from '../../../lib/teact/teact';
+import type { ApiPremiumGiftOption } from '../../../api/types';
+
+import { formatCurrency } from '../../../util/formatCurrency';
+import buildClassName from '../../../util/buildClassName';
+import useLang from '../../../hooks/useLang';
+
+import styles from './GiftOption.module.scss';
+
+type OwnProps = {
+  option: ApiPremiumGiftOption;
+  checked?: boolean;
+  fullMonthlyAmount?: number;
+  onChange: (month: number) => void;
+};
+
+const GiftOption: FC<OwnProps> = ({
+  option, checked, fullMonthlyAmount, onChange,
+}) => {
+  const lang = useLang();
+
+  const { months, amount, currency } = option;
+  const perMonth = Math.floor(amount / months);
+
+  const discount = useMemo(() => {
+    return fullMonthlyAmount && fullMonthlyAmount > perMonth
+      ? Math.ceil(100 - perMonth / (fullMonthlyAmount / 100))
+      : undefined;
+  }, [fullMonthlyAmount, perMonth]);
+
+  const handleChange = useCallback((e: ChangeEvent<HTMLInputElement>) => {
+    if (e.target.checked) {
+      onChange(months);
+    }
+  }, [months, onChange]);
+
+  return (
+    <label className={buildClassName(styles.wrapper, checked && styles.active)} dir={lang.isRtl ? 'rtl' : undefined}>
+      <input
+        className={styles.input}
+        type="radio"
+        name="gift_option"
+        value={months}
+        checked={checked}
+        onChange={handleChange}
+      />
+      <div className={styles.content}>
+        <div className={styles.month}>{lang('Months', months)}</div>
+        <div className={styles.perMonth}>
+          {lang('PricePerMonth', formatCurrency(perMonth, currency, lang.code))}
+          {discount && (
+            <span className={styles.discount} title={lang('GiftDiscount')}> &minus;{discount}% </span>
+          )}
+        </div>
+        <div className={styles.amount}>{formatCurrency(amount, currency, lang.code)}</div>
+      </div>
+    </label>
+  );
+};
+
+export default memo(GiftOption);

src/components/main/premium/GiftPremiumModal.async.tsx

@@ -0,0 +1,17 @@
+import type { FC } from '../../../lib/teact/teact';
+import React, { memo } from '../../../lib/teact/teact';
+import { Bundles } from '../../../util/moduleLoader';
+
+import type { OwnProps } from './GiftPremiumModal';
+
+import useModuleLoader from '../../../hooks/useModuleLoader';
+
+const GiftPremiumModalAsync: FC<OwnProps> = (props) => {
+  const { isOpen } = props;
+  const GiftPremiumModal = useModuleLoader(Bundles.Extra, 'GiftPremiumModal', !isOpen);
+
+  // eslint-disable-next-line react/jsx-props-no-spreading
+  return GiftPremiumModal ? <GiftPremiumModal {...props} /> : undefined;
+};
+
+export default memo(GiftPremiumModalAsync);

src/components/main/premium/GiftPremiumModal.module.scss

@@ -0,0 +1,44 @@
+@media (min-width: 451px) {
+  .modalDialog :global(.modal-dialog) {
+    max-width: 32rem !important;
+  }
+}
+
+.closeButton {
+  position: absolute;
+  top: 0.5rem;
+  left: 0.5rem;
+}
+
+.avatar {
+  margin: 0 auto 1.5rem;
+}
+
+.headerText {
+  font-size: 1.5rem;
+  font-weight: 500;
+  text-align: center;
+}
+
+.description,
+.premiumFeatures {
+  text-align: center;
+  margin: 0 auto 2rem;
+  max-width: 25rem;
+}
+
+.premiumFeatures {
+  font-size: 0.9375rem;
+  color: var(--color-text-secondary);
+}
+
+.options {
+  margin-bottom: 2.5rem;
+}
+
+.button {
+  height: 3rem;
+  background: linear-gradient(88.39deg, #6C93FF -2.56%, #976FFF 51.27%, #DF69D1 107.39%);
+  font-size: 1rem;
+  font-weight: 600;
+}

src/components/main/premium/GiftPremiumModal.tsx

@@ -0,0 +1,166 @@
+import React, {
+  memo, useCallback, useEffect, useMemo, useState,
+} from '../../../lib/teact/teact';
+import { getActions, withGlobal } from '../../../global';
+
+import type { FC } from '../../../lib/teact/teact';
+import type { ApiPremiumGiftOption, ApiUser } from '../../../api/types';
+
+import { formatCurrency } from '../../../util/formatCurrency';
+import renderText from '../../common/helpers/renderText';
+import { getUserFirstOrLastName } from '../../../global/helpers';
+import { selectUser } from '../../../global/selectors';
+
+import useCurrentOrPrev from '../../../hooks/useCurrentOrPrev';
+import useLang from '../../../hooks/useLang';
+
+import Modal from '../../ui/Modal';
+import Button from '../../ui/Button';
+import Link from '../../ui/Link';
+import Avatar from '../../common/Avatar';
+import GiftOption from './GiftOption';
+
+import styles from './GiftPremiumModal.module.scss';
+
+export type OwnProps = {
+  isOpen?: boolean;
+};
+
+type StateProps = {
+  user?: ApiUser;
+  gifts?: ApiPremiumGiftOption[];
+  monthlyCurrency?: string;
+  monthlyAmount?: number;
+};
+
+const GiftPremiumModal: FC<OwnProps & StateProps> = ({
+  isOpen, user, gifts, monthlyCurrency, monthlyAmount,
+}) => {
+  const { openPremiumModal, closeGiftPremiumModal, openUrl } = getActions();
+
+  const lang = useLang();
+  const renderedUser = useCurrentOrPrev(user, true);
+  const renderedGifts = useCurrentOrPrev(gifts, true);
+  const [selectedOption, setSelectedOption] = useState<number | undefined>();
+  const firstGift = renderedGifts?.[0];
+  const fullMonthlyAmount = useMemo(() => {
+    if (!renderedGifts || renderedGifts.length === 0 || !firstGift) {
+      return undefined;
+    }
+
+    const cheaperGift = renderedGifts.reduce((acc, gift) => {
+      return gift.amount < firstGift?.amount ? gift : firstGift;
+    }, firstGift);
+
+    return cheaperGift.currency === monthlyCurrency && monthlyAmount
+      ? monthlyAmount
+      : Math.floor(cheaperGift.amount / cheaperGift.months);
+  }, [firstGift, renderedGifts, monthlyAmount, monthlyCurrency]);
+
+  useEffect(() => {
+    if (isOpen) {
+      setSelectedOption(firstGift?.months);
+    }
+  }, [firstGift?.months, isOpen]);
+
+  const selectedGift = useMemo(() => {
+    return renderedGifts?.find((gift) => gift.months === selectedOption);
+  }, [renderedGifts, selectedOption]);
+
+  const handleSubmit = useCallback(() => {
+    if (!selectedGift) {
+      return;
+    }
+
+    closeGiftPremiumModal();
+    openUrl({ url: selectedGift.botUrl });
+  }, [closeGiftPremiumModal, openUrl, selectedGift]);
+
+  const handlePremiumClick = useCallback(() => {
+    openPremiumModal();
+  }, [openPremiumModal]);
+
+  function renderPremiumFeaturesLink() {
+    const info = lang('GiftPremiumListFeaturesAndTerms');
+    // Translation hack for rendering component inside string
+    const parts = info.match(/([^*]*)\*([^*]+)\*(.*)/);
+
+    if (!parts || parts.length < 4) {
+      return undefined;
+    }
+
+    return (
+      <p className={styles.premiumFeatures}>
+        {parts[1]}
+        <Link isPrimary onClick={handlePremiumClick}>{parts[2]}</Link>
+        {parts[3]}
+      </p>
+    );
+  }
+
+  return (
+    <Modal
+      onClose={closeGiftPremiumModal}
+      isOpen={isOpen}
+      className={styles.modalDialog}
+    >
+      <div className="custom-scroll">
+        <Button
+          round
+          size="smaller"
+          className={styles.closeButton}
+          color="translucent"
+          // eslint-disable-next-line react/jsx-no-bind
+          onClick={() => closeGiftPremiumModal()}
+          ariaLabel={lang('Close')}
+        >
+          <i className="icon-close" />
+        </Button>
+        <Avatar user={renderedUser} size="jumbo" className={styles.avatar} />
+        <h2 className={styles.headerText}>
+          {lang('GiftTelegramPremiumTitle')}
+        </h2>
+        <p className={styles.description}>
+          {renderText(
+            lang('GiftTelegramPremiumDescription', getUserFirstOrLastName(renderedUser)),
+            ['emoji', 'simple_markdown'],
+          )}
+        </p>
+
+        <div className={styles.options}>
+          {renderedGifts?.map((gift) => (
+            <GiftOption
+              key={gift.amount}
+              option={gift}
+              fullMonthlyAmount={fullMonthlyAmount}
+              checked={gift.months === selectedOption}
+              onChange={setSelectedOption}
+            />
+          ))}
+        </div>
+
+        {renderPremiumFeaturesLink()}
+      </div>
+
+      <Button className={styles.button} isShiny disabled={!selectedOption} onClick={handleSubmit}>
+        {lang(
+          'GiftSubscriptionFor',
+          selectedGift && formatCurrency(Number(selectedGift.amount), selectedGift.currency, lang.code),
+        )}
+      </Button>
+    </Modal>
+  );
+};
+
+export default memo(withGlobal<OwnProps>((global): StateProps => {
+  const { forUserId, monthlyCurrency, monthlyAmount } = global.giftPremiumModal || {};
+  const user = forUserId ? selectUser(global, forUserId) : undefined;
+  const gifts = user ? user.fullInfo?.premiumGifts : undefined;
+
+  return {
+    user,
+    gifts,
+    monthlyCurrency,
+    monthlyAmount: monthlyAmount ? Number(monthlyAmount) : undefined,
+  };
+})(GiftPremiumModal));

src/components/main/premium/PremiumFeatureItem.module.scss

@@ -14,11 +14,11 @@
 }
 
 .description {
-  font-size: 14px;
+  font-size: 0.875rem;
   color: var(--color-text-secondary);
   white-space: pre-wrap;
-  line-height: 20px;
-  min-height: 40px;
+  line-height: 1.25rem;
+  min-height: 2.5rem;
 }
 
 .icon {

src/components/main/premium/PremiumFeatureModal.module.scss

@@ -4,8 +4,8 @@
 
 .button {
   font-weight: 600;
-  font-size: 16px;
-  height: 48px;
+  font-size: 1rem;
+  height: 3rem;
 }
 
 .button-premium {
@@ -63,17 +63,17 @@
 .limits-content {
   overflow: auto;
   padding: 1rem;
-  margin-top: 59px;
+  margin-top: 3.6875rem;
   height: calc(var(--vh) * 55 + 41px);
 }
 
 .header {
   padding-left: 4rem;
-  font-size: 20px;
+  font-size: 1.25rem;
   font-weight: 500;
   padding-top: 0.875rem;
   padding-bottom: 0.875rem;
-  border-bottom: 1px solid var(--color-borders);
+  border-bottom: 0.0625rem solid var(--color-borders);
   position: absolute;
   background: var(--color-background);
   width: 100%;
@@ -101,7 +101,7 @@
 }
 
 .title {
-  font-size: 20px;
+  font-size: 1.25rem;
   font-weight: 500;
   text-align: center;
   color: var(--color-text);
@@ -109,16 +109,16 @@
 }
 
 .description {
-  font-size: 16px;
+  font-size: 1rem;
   font-weight: 400;
-  line-height: 22px;
+  line-height: 1.375rem;
   text-align: center;
   color: var(--color-text-secondary);
   padding: 0 5%;
 }
 
 .footer {
-  border-top: 1px solid var(--color-borders);
+  border-top: 0.0625rem solid var(--color-borders);
   position: absolute;
   bottom: 0;
   left: 0;

src/components/main/premium/PremiumMainModal.module.scss

@@ -26,8 +26,8 @@
 .button {
   font-weight: 600;
   background: var(--premium-gradient);
-  font-size: 16px;
-  height: 48px;
+  font-size: 1rem;
+  height: 3rem;
 }
 
 .main {
@@ -46,7 +46,7 @@
 }
 
 .header-text {
-  font-size: 24px;
+  font-size: 1.5rem;
   font-weight: 500;
   text-align: center;
 }
@@ -57,7 +57,7 @@
 }
 
 .list {
-  margin-bottom: 80px;
+  margin-bottom: 5rem;
   width: 100%;
 }
 
@@ -69,12 +69,12 @@
   z-index: 2;
   display: flex;
   align-items: center;
-  border-bottom: 1px solid var(--color-borders);
+  border-bottom: 0.0625rem solid var(--color-borders);
   position: absolute;
   width: 100%;
   left: 0;
   top: 0;
-  height: 56px;
+  height: 3.5rem;
   padding: 0.5rem;
   background: var(--color-background);
   transition: 0.25s ease-out transform;
@@ -92,7 +92,7 @@
 }
 
 .premium-header-text {
-  font-size: 20px;
+  font-size: 1.25rem;
   font-weight: 500;
   margin: 0 0 0 3rem;
 }
@@ -111,7 +111,7 @@
   position: absolute;
   width: 100%;
   background: var(--color-background);
-  border-top: 1px solid var(--color-borders);
+  border-top: 0.0625rem solid var(--color-borders);
   left: 0;
   bottom: 0;
   padding: 1rem;

src/components/main/premium/PremiumMainModal.tsx

@@ -65,12 +65,16 @@ export type OwnProps = {
 };
 
 type StateProps = {
+  currentUserId?: string;
   promo?: ApiPremiumPromo;
   isClosing?: boolean;
   fromUser?: ApiUser;
+  toUser?: ApiUser;
   initialSection?: string;
   isPremium?: boolean;
   isSuccess?: boolean;
+  isGift?: boolean;
+  monthsAmount?: number;
   limitChannels: number;
   limitPins: number;
   limitLinks: number;
@@ -83,6 +87,7 @@ type StateProps = {
 
 const PremiumMainModal: FC<OwnProps & StateProps> = ({
   isOpen,
+  currentUserId,
   fromUser,
   promo,
   initialSection,
@@ -96,6 +101,9 @@ const PremiumMainModal: FC<OwnProps & StateProps> = ({
   premiumBotUsername,
   isClosing,
   isSuccess,
+  isGift,
+  toUser,
+  monthsAmount,
   premiumPromoOrder,
 }) => {
   // eslint-disable-next-line no-null/no-null
@@ -170,6 +178,42 @@ const PremiumMainModal: FC<OwnProps & StateProps> = ({
 
   if (!promo) return undefined;
 
+  function getHeaderText() {
+    if (isGift) {
+      return fromUser?.id === currentUserId
+        ? lang('TelegramPremiumUserGiftedPremiumOutboundDialogTitle', [getUserFullName(toUser), monthsAmount])
+        : lang('TelegramPremiumUserGiftedPremiumDialogTitle', [getUserFullName(fromUser), monthsAmount]);
+    }
+
+    return fromUser
+      ? lang('TelegramPremiumUserDialogTitle', getUserFullName(fromUser))
+      : lang(isPremium ? 'TelegramPremiumSubscribedTitle' : 'TelegramPremium');
+  }
+
+  function getHeaderDescription() {
+    if (isGift) {
+      return fromUser?.id === currentUserId
+        ? lang('TelegramPremiumUserGiftedPremiumOutboundDialogSubtitle', getUserFullName(toUser))
+        : lang('TelegramPremiumUserGiftedPremiumDialogSubtitle');
+    }
+
+    return fromUser
+      ? lang('TelegramPremiumUserDialogSubtitle')
+      : lang(isPremium ? 'TelegramPremiumSubscribedSubtitle' : 'TelegramPremiumSubtitle');
+  }
+
+  function renderFooterText() {
+    if (!promo || (isGift && fromUser?.id === currentUserId)) {
+      return undefined;
+    }
+
+    return (
+      <div className={styles.footerText}>
+        {renderTextWithEntities(promo.statusText, promo.statusEntities)}
+      </div>
+    );
+  }
+
   return (
     <Modal
       className={styles.root}
@@ -195,19 +239,10 @@ const PremiumMainModal: FC<OwnProps & StateProps> = ({
             </Button>
             <img className={styles.logo} src={PremiumLogo} alt="" />
             <h2 className={styles.headerText}>
-              {renderText(
-                fromUser
-                  ? lang('TelegramPremiumUserDialogTitle', getUserFullName(fromUser))
-                  : lang(isPremium ? 'TelegramPremiumSubscribedTitle' : 'TelegramPremium'),
-                ['simple_markdown', 'emoji'],
-              )}
+              {renderText(getHeaderText(), ['simple_markdown', 'emoji'])}
             </h2>
             <div className={styles.description}>
-              {renderText(
-                lang(fromUser ? 'TelegramPremiumUserDialogSubtitle'
-                  : (isPremium ? 'TelegramPremiumSubscribedSubtitle' : 'TelegramPremiumSubtitle')),
-                ['simple_markdown'],
-              )}
+              {renderText(getHeaderDescription(), ['simple_markdown', 'emoji'])}
             </div>
             <div className={buildClassName(styles.header, isHeaderHidden && styles.hiddenHeader)}>
               <h2 className={styles.premiumHeaderText}>
@@ -240,18 +275,7 @@ const PremiumMainModal: FC<OwnProps & StateProps> = ({
                   {renderText(lang('AboutPremiumDescription2'), ['simple_markdown'])}
                 </p>
               </div>
-              <div className={styles.footerText}>
-                {renderTextWithEntities(
-                  promo.statusText,
-                  promo.statusEntities,
-                  undefined,
-                  undefined,
-                  undefined,
-                  undefined,
-                  undefined,
-                  undefined,
-                )}
-              </div>
+              {renderFooterText()}
             </div>
             {!isPremium && (
               <div className={styles.footer}>
@@ -280,10 +304,14 @@ const PremiumMainModal: FC<OwnProps & StateProps> = ({
 
 export default memo(withGlobal<OwnProps>((global): StateProps => {
   return {
+    currentUserId: global.currentUserId,
     promo: global.premiumModal?.promo,
     isClosing: global.premiumModal?.isClosing,
     isSuccess: global.premiumModal?.isSuccess,
+    isGift: global.premiumModal?.isGift,
+    monthsAmount: global.premiumModal?.monthsAmount,
     fromUser: global.premiumModal?.fromUserId ? selectUser(global, global.premiumModal.fromUserId) : undefined,
+    toUser: global.premiumModal?.toUserId ? selectUser(global, global.premiumModal.toUserId) : undefined,
     initialSection: global.premiumModal?.initialSection,
     isPremium: selectIsCurrentUserPremium(global),
     limitChannels: selectPremiumLimit(global, 'channels'),

src/components/middle/ActionMessage.tsx

@@ -2,9 +2,11 @@ import type { FC } from '../../lib/teact/teact';
 import React, {
   memo, useEffect, useMemo, useRef,
 } from '../../lib/teact/teact';
-import { withGlobal } from '../../global';
+import { getActions, withGlobal } from '../../global';
 
-import type { ApiUser, ApiMessage, ApiChat } from '../../api/types';
+import type {
+  ApiUser, ApiMessage, ApiChat, ApiSticker,
+} from '../../api/types';
 import type { FocusDirection } from '../../types';
 
 import {
@@ -16,24 +18,27 @@ import {
 import { getMessageHtmlId, isChatChannel } from '../../global/helpers';
 import buildClassName from '../../util/buildClassName';
 import { renderActionMessageText } from '../common/helpers/renderActionMessageText';
+import { preventMessageInputBlur } from './helpers/preventMessageInputBlur';
 import useEnsureMessage from '../../hooks/useEnsureMessage';
 import useContextMenuHandlers from '../../hooks/useContextMenuHandlers';
 import type { ObserveFn } from '../../hooks/useIntersectionObserver';
-import { useOnIntersect } from '../../hooks/useIntersectionObserver';
+import { useIsIntersecting, useOnIntersect } from '../../hooks/useIntersectionObserver';
 import useFocusMessage from './message/hooks/useFocusMessage';
 import useLang from '../../hooks/useLang';
-
-import ContextMenuContainer from './message/ContextMenuContainer.async';
 import useFlag from '../../hooks/useFlag';
 import useShowTransition from '../../hooks/useShowTransition';
-import { preventMessageInputBlur } from './helpers/preventMessageInputBlur';
+
+import ContextMenuContainer from './message/ContextMenuContainer.async';
+import AnimatedIconFromSticker from '../common/AnimatedIconFromSticker';
 
 type OwnProps = {
   message: ApiMessage;
   observeIntersection?: ObserveFn;
+  observeIntersectionForAnimation?: ObserveFn;
   isEmbedded?: boolean;
   appearanceOrder?: number;
   isLastInList?: boolean;
+  memoFirstUnreadIdRef?: { current: number | undefined };
 };
 
 type StateProps = {
@@ -46,6 +51,7 @@ type StateProps = {
   isFocused: boolean;
   focusDirection?: FocusDirection;
   noFocusHighlight?: boolean;
+  premiumGiftSticker?: ApiSticker;
 };
 
 const APPEARANCE_DELAY = 10;
@@ -53,6 +59,7 @@ const APPEARANCE_DELAY = 10;
 const ActionMessage: FC<OwnProps & StateProps> = ({
   message,
   observeIntersection,
+  observeIntersectionForAnimation,
   isEmbedded,
   appearanceOrder = 0,
   isLastInList,
@@ -65,7 +72,13 @@ const ActionMessage: FC<OwnProps & StateProps> = ({
   isFocused,
   focusDirection,
   noFocusHighlight,
+  premiumGiftSticker,
+  memoFirstUnreadIdRef,
 }) => {
+  const { openPremiumModal, requestConfetti } = getActions();
+
+  const lang = useLang();
+
   // eslint-disable-next-line no-null/no-null
   const ref = useRef<HTMLDivElement>(null);
 
@@ -73,10 +86,10 @@ const ActionMessage: FC<OwnProps & StateProps> = ({
   useEnsureMessage(message.chatId, message.replyToMessageId, targetMessage);
   useFocusMessage(ref, message.chatId, isFocused, focusDirection, noFocusHighlight);
 
-  const lang = useLang();
-
   const noAppearanceAnimation = appearanceOrder <= 0;
   const [isShown, markShown] = useFlag(noAppearanceAnimation);
+  const isGift = Boolean(message.content.action?.text.startsWith('ActionGift'));
+
   useEffect(() => {
     if (noAppearanceAnimation) {
       return;
@@ -84,6 +97,21 @@ const ActionMessage: FC<OwnProps & StateProps> = ({
 
     setTimeout(markShown, appearanceOrder * APPEARANCE_DELAY);
   }, [appearanceOrder, markShown, noAppearanceAnimation]);
+
+  const isVisible = useIsIntersecting(ref, observeIntersectionForAnimation);
+
+  const shouldShowConfettiRef = useRef((() => {
+    const isUnread = memoFirstUnreadIdRef?.current && message.id >= memoFirstUnreadIdRef.current;
+    return isGift && !message.isOutgoing && isUnread;
+  })());
+
+  useEffect(() => {
+    if (isVisible && shouldShowConfettiRef.current) {
+      shouldShowConfettiRef.current = false;
+      requestConfetti();
+    }
+  }, [isVisible, requestConfetti]);
+
   const { transitionClassNames } = useShowTransition(isShown, undefined, noAppearanceAnimation, false);
 
   const targetUsers = useMemo(() => {
@@ -114,13 +142,41 @@ const ActionMessage: FC<OwnProps & StateProps> = ({
     handleBeforeContextMenu(e);
   };
 
+  const handlePremiumGiftClick = () => {
+    openPremiumModal({
+      isGift: true,
+      fromUserId: senderUser?.id,
+      toUserId: targetUserIds?.[0],
+      monthsAmount: message.content.action?.months || 0,
+    });
+  };
+
   if (isEmbedded) {
     return <span className="embedded-action-message">{content}</span>;
   }
 
+  function renderGift() {
+    return (
+      <span className="action-message-gift" tabIndex={0} role="button" onClick={handlePremiumGiftClick}>
+        <AnimatedIconFromSticker
+          key={message.id}
+          sticker={premiumGiftSticker}
+          play
+          noLoop
+          nonInteractive
+        />
+        <strong>{lang('ActionGiftPremiumTitle')}</strong>
+        <span>{lang('ActionGiftPremiumSubtitle', lang('Months', message.content.action?.months, 'i'))}</span>
+
+        <span className="action-message-button">{lang('ActionGiftPremiumView')}</span>
+      </span>
+    );
+  }
+
   const className = buildClassName(
     'ActionMessage message-list-item',
     isFocused && !noFocusHighlight && 'focused',
+    isGift && 'premium-gift',
     isContextMenuShown && 'has-menu-open',
     isLastInList && 'last-in-list',
     transitionClassNames,
@@ -136,6 +192,7 @@ const ActionMessage: FC<OwnProps & StateProps> = ({
       onContextMenu={handleContextMenu}
     >
       <span>{content}</span>
+      {isGift && renderGift()}
       {contextMenuPosition && (
         <ContextMenuContainer
           isOpen={isContextMenuOpen}
@@ -167,6 +224,7 @@ export default memo(withGlobal<OwnProps>(
     const isChat = chat && (isChatChannel(chat) || userId === message.chatId);
     const senderUser = !isChat && userId ? selectUser(global, userId) : undefined;
     const senderChat = isChat ? chat : undefined;
+    const premiumGiftSticker = global.premiumGifts?.stickers?.[0];
 
     return {
       usersById,
@@ -176,6 +234,7 @@ export default memo(withGlobal<OwnProps>(
       targetUserIds,
       targetMessage,
       isFocused,
+      premiumGiftSticker,
       ...(isFocused && { focusDirection, noFocusHighlight }),
     };
   },

src/components/middle/HeaderMenuContainer.tsx

@@ -11,7 +11,7 @@ import { REPLIES_USER_ID } from '../../config';
 import { IS_SINGLE_COLUMN_LAYOUT } from '../../util/environment';
 import { disableScrolling, enableScrolling } from '../../util/scrollLock';
 import {
-  selectChat, selectNotifySettings, selectNotifyExceptions, selectUser, selectChatBot,
+  selectChat, selectNotifySettings, selectNotifyExceptions, selectUser, selectChatBot, selectIsPremiumPurchaseBlocked,
 } from '../../global/selectors';
 import {
   isUserId, getCanDeleteChat, selectIsChatMuted, getCanAddContact, isChatChannel, isChatGroup,
@@ -73,6 +73,7 @@ type StateProps = {
   canAddContact?: boolean;
   canReportChat?: boolean;
   canDeleteChat?: boolean;
+  canGiftPremium?: boolean;
   hasLinkedChat?: boolean;
 };
 
@@ -98,6 +99,7 @@ const HeaderMenuContainer: FC<OwnProps & StateProps> = ({
   isMuted,
   canReportChat,
   canDeleteChat,
+  canGiftPremium,
   hasLinkedChat,
   canAddContact,
   onSubscribeChannel,
@@ -116,6 +118,7 @@ const HeaderMenuContainer: FC<OwnProps & StateProps> = ({
     openAddContactDialog,
     requestCall,
     toggleStatistics,
+    openGiftPremiumModal,
   } = getActions();
   const [isMenuOpen, setIsMenuOpen] = useState(true);
   const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
@@ -181,6 +184,11 @@ const HeaderMenuContainer: FC<OwnProps & StateProps> = ({
     closeMenu();
   }, [chatId, closeMenu, openLinkedChat]);
 
+  const handleGiftPremiumClick = useCallback(() => {
+    openGiftPremiumModal({ forUserId: chatId });
+    closeMenu();
+  }, [openGiftPremiumModal, chatId, closeMenu]);
+
   const handleAddContactClick = useCallback(() => {
     openAddContactDialog({ userId: chatId });
     closeMenu();
@@ -358,6 +366,14 @@ const HeaderMenuContainer: FC<OwnProps & StateProps> = ({
             </MenuItem>
           )}
           {botButtons}
+          {canGiftPremium && (
+            <MenuItem
+              icon="gift"
+              onClick={handleGiftPremiumClick}
+            >
+              {lang('GiftPremium')}
+            </MenuItem>
+          )}
           {canLeave && (
             <MenuItem
               destructive
@@ -402,6 +418,11 @@ export default memo(withGlobal<OwnProps>(
     const canReportChat = isChatChannel(chat) || isChatGroup(chat) || (user && !user.isSelf);
 
     const chatBot = chatId !== REPLIES_USER_ID ? selectChatBot(global, chatId) : undefined;
+    const canGiftPremium = Boolean(
+      global.lastSyncTime
+      && user?.fullInfo?.premiumGifts?.length
+      && !selectIsPremiumPurchaseBlocked(global),
+    );
 
     return {
       chat,
@@ -410,6 +431,7 @@ export default memo(withGlobal<OwnProps>(
       canAddContact,
       canReportChat,
       canDeleteChat: getCanDeleteChat(chat),
+      canGiftPremium,
       hasLinkedChat: Boolean(chat?.fullInfo?.linkedChatId),
       botCommands: chatBot?.fullInfo?.botInfo?.commands,
     };

src/components/middle/MessageList.scss

@@ -259,6 +259,31 @@
     }
   }
 
+  .ActionMessage.premium-gift {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+  }
+
+  .action-message-gift {
+    display: flex !important;
+    flex-direction: column;
+    align-items: center;
+    line-height: 1rem !important;
+    padding-bottom: 0.75rem !important;
+    margin-top: 0.5rem;
+    cursor: pointer;
+    outline: none;
+  }
+
+  .action-message-button {
+    display: inline-block;
+    border-radius: var(--border-radius-default);
+    padding: 0.5rem 0.75rem;
+    margin-top: 0.5rem;
+    background-color: var(--pattern-color);
+  }
+
   .sticky-date {
     margin-top: 1rem;
     margin-bottom: 1rem;

src/components/middle/MessageListContent.tsx

@@ -144,6 +144,8 @@ const MessageListContent: FC<OwnProps> = ({
             key={message.id}
             message={message}
             observeIntersection={observeIntersectionForReading}
+            observeIntersectionForAnimation={observeIntersectionForAnimatedStickers}
+            memoFirstUnreadIdRef={memoFirstUnreadIdRef}
             appearanceOrder={messageCountToAnimate - ++appearanceIndex}
             isLastInList={isLastInList}
           />,

src/components/middle/MiddleColumn.tsx

@@ -71,6 +71,7 @@ import UnpinAllMessagesModal from '../common/UnpinAllMessagesModal.async';
 import SeenByModal from '../common/SeenByModal.async';
 import EmojiInteractionAnimation from './EmojiInteractionAnimation.async';
 import ReactorListModal from './ReactorListModal.async';
+import GiftPremiumModal from '../main/premium/GiftPremiumModal.async';
 
 import './MiddleColumn.scss';
 import styles from './MiddleColumn.module.scss';
@@ -98,6 +99,7 @@ type StateProps = {
   isSelectModeActive?: boolean;
   isSeenByModalOpen: boolean;
   isReactorListModalOpen: boolean;
+  isGiftPremiumModalOpen?: boolean;
   animationLevel?: number;
   shouldSkipHistoryAnimations?: boolean;
   currentTransitionKey: number;
@@ -140,6 +142,7 @@ const MiddleColumn: FC<StateProps> = ({
   isSelectModeActive,
   isSeenByModalOpen,
   isReactorListModalOpen,
+  isGiftPremiumModalOpen,
   animationLevel,
   shouldSkipHistoryAnimations,
   currentTransitionKey,
@@ -551,6 +554,7 @@ const MiddleColumn: FC<StateProps> = ({
           />
         ))}
       </div>
+      <GiftPremiumModal isOpen={isGiftPremiumModalOpen} />
     </div>
   );
 };
@@ -580,6 +584,7 @@ export default memo(withGlobal(
       isSelectModeActive: selectIsInSelectMode(global),
       isSeenByModalOpen: Boolean(global.seenByModal),
       isReactorListModalOpen: Boolean(global.reactorModal),
+      isGiftPremiumModalOpen: global.giftPremiumModal?.isOpen,
       animationLevel: global.settings.byKey.animationLevel,
       currentTransitionKey: Math.max(0, messageLists.length - 1),
       activeEmojiInteractions,

src/components/payment/CardInput.tsx

@@ -14,6 +14,7 @@ import './CardInput.scss';
 
 import mastercardIconPath from '../../assets/mastercard.svg';
 import visaIconPath from '../../assets/visa.svg';
+import mirIconPath from '../../assets/mir.svg';
 
 const CARD_NUMBER_MAX_LENGTH = 23;
 
@@ -73,6 +74,8 @@ function getCardIcon(cardType: CardType) {
       return <img src={mastercardIconPath} alt="" />;
     case CardType.Visa:
       return <img src={visaIconPath} alt="" />;
+    case CardType.Mir:
+      return <img src={mirIconPath} alt="" />;
     default:
       return undefined;
   }

src/components/ui/Link.module.scss

@@ -0,0 +1,19 @@
+.link {
+  color: inherit;
+
+  &:hover {
+    color: inherit;
+
+    &:global(.GroupCallLink) {
+      text-decoration: none;
+    }
+  }
+}
+
+.isPrimary {
+  color: var(--color-primary);
+
+  &:hover {
+    color: var(--color-primary);
+  }
+}

src/components/ui/Link.scss

@@ -1,11 +0,0 @@
-.Link {
-  color: inherit;
-
-  &:hover {
-    color: inherit;
-
-    &.GroupCallLink {
-      text-decoration: none;
-    }
-  }
-}

src/components/ui/Link.tsx

@@ -3,17 +3,18 @@ import React, { useCallback } from '../../lib/teact/teact';
 
 import buildClassName from '../../util/buildClassName';
 
-import './Link.scss';
+import styles from './Link.module.scss';
 
 type OwnProps = {
   children: React.ReactNode;
   className?: string;
   isRtl?: boolean;
+  isPrimary?: boolean;
   onClick?: (e: React.MouseEvent<HTMLAnchorElement>) => void;
 };
 
 const Link: FC<OwnProps> = ({
-  children, className, isRtl, onClick,
+  children, isPrimary, className, isRtl, onClick,
 }) => {
   const handleClick = useCallback((e: React.MouseEvent<HTMLAnchorElement>) => {
     e.preventDefault();
@@ -23,7 +24,7 @@ const Link: FC<OwnProps> = ({
   return (
     <a
       href="#"
-      className={buildClassName('Link', className)}
+      className={buildClassName(styles.link, className, isPrimary && styles.isPrimary)}
       dir={isRtl ? 'rtl' : 'auto'}
       onClick={onClick ? handleClick : undefined}
     >

src/global/actions/api/chats.ts

@@ -642,6 +642,10 @@ addActionHandler('openTelegramLink', (global, actions, payload) => {
       chatId,
       messageId,
     });
+  } else if (part1.startsWith('$')) {
+    actions.openInvoice({
+      slug: part1.substring(1),
+    });
   } else if (part1 === 'invoice') {
     actions.openInvoice({
       slug: part2,

src/global/actions/api/payments.ts

@@ -376,7 +376,9 @@ addActionHandler('closePremiumModal', (global, actions, payload) => {
 });
 
 addActionHandler('openPremiumModal', async (global, actions, payload) => {
-  const { initialSection, fromUserId, isSuccess } = payload || {};
+  const {
+    initialSection, fromUserId, isSuccess, isGift, monthsAmount, toUserId,
+  } = payload || {};
 
   actions.loadPremiumStickers();
 
@@ -393,7 +395,36 @@ addActionHandler('openPremiumModal', async (global, actions, payload) => {
       initialSection,
       isOpen: true,
       fromUserId,
+      toUserId,
+      isGift,
+      monthsAmount,
       isSuccess,
     },
   });
 });
+
+addActionHandler('openGiftPremiumModal', async (global, actions, payload) => {
+  const { forUserId } = payload || {};
+  const result = await callApi('fetchPremiumPromo');
+  if (!result) return;
+
+  global = getGlobal();
+  global = addUsers(global, buildCollectionByKey(result.users, 'id'));
+
+  setGlobal({
+    ...global,
+    giftPremiumModal: {
+      isOpen: true,
+      forUserId,
+      monthlyCurrency: result.promo.currency,
+      monthlyAmount: result.promo.monthlyAmount,
+    },
+  });
+});
+
+addActionHandler('closeGiftPremiumModal', (global) => {
+  setGlobal({
+    ...global,
+    giftPremiumModal: { isOpen: false },
+  });
+});

src/global/actions/api/symbols.ts

@@ -109,6 +109,20 @@ addActionHandler('loadFeaturedStickers', (global) => {
   void loadFeaturedStickers(hash);
 });
 
+addActionHandler('loadPremiumGifts', async () => {
+  const stickerSet = await callApi('fetchPremiumGifts');
+  if (!stickerSet) {
+    return;
+  }
+
+  const { set, stickers } = stickerSet;
+
+  setGlobal({
+    ...getGlobal(),
+    premiumGifts: { ...set, stickers },
+  });
+});
+
 addActionHandler('loadStickers', (global, actions, payload) => {
   const { stickerSetId, stickerSetShortName } = payload!;
   let { stickerSetAccessHash } = payload!;

src/global/actions/apiUpdaters/payments.ts

@@ -7,16 +7,16 @@ addActionHandler('apiUpdate', (global, actions, update) => {
   switch (update['@type']) {
     case 'updatePaymentStateCompleted': {
       const { inputInvoice } = global.payment;
-      if (update.slug && inputInvoice && 'slug' in inputInvoice && inputInvoice.slug !== update.slug) {
-        return undefined;
-      }
-
       // On the production host, the payment frame receives a message with the payment event,
       // after which the payment form closes. In other cases, the payment form must be closed manually.
       if (!IS_PRODUCTION_HOST) {
         global = clearPayment(global);
       }
 
+      if (update.slug && inputInvoice && 'slug' in inputInvoice && inputInvoice.slug !== update.slug) {
+        return !IS_PRODUCTION_HOST ? global : undefined;
+      }
+
       return {
         ...global,
         payment: {

src/global/types.ts

@@ -314,6 +314,7 @@ export type GlobalState = {
 
   animatedEmojis?: ApiStickerSet;
   animatedEmojiEffects?: ApiStickerSet;
+  premiumGifts?: ApiStickerSet;
   emojiKeywords: Partial<Record<LangCode, EmojiKeywords>>;
 
   gifs: {
@@ -638,9 +639,19 @@ export type GlobalState = {
     promo: ApiPremiumPromo;
     initialSection?: string;
     fromUserId?: string;
+    toUserId?: string;
+    isGift?: boolean;
+    monthsAmount?: number;
     isSuccess?: boolean;
   };
 
+  giftPremiumModal?: {
+    isOpen?: boolean;
+    forUserId?: string;
+    monthlyCurrency?: string;
+    monthlyAmount?: string;
+  };
+
   transcriptions: Record<string, ApiTranscription>;
 
   limitReachedModal?: {
@@ -1062,7 +1073,10 @@ export interface ActionPayloads {
   openPremiumModal: {
     initialSection?: string;
     fromUserId?: string;
+    toUserId?: string;
     isSuccess?: boolean;
+    isGift?: boolean;
+    monthsAmount?: number;
   };
   closePremiumModal: never | {
     isClosed?: boolean;
@@ -1073,10 +1087,17 @@ export interface ActionPayloads {
     messageId: number;
   };
 
+  loadPremiumGifts: never;
   loadPremiumStickers: {
     hash?: string;
   };
 
+  openGiftPremiumModal: {
+    forUserId?: string;
+  };
+
+  closeGiftPremiumModal: never;
+
   // Invoice
   openInvoice: ApiInputInvoice;
 }

src/styles/icons.scss

@@ -51,6 +51,9 @@
 .icon-volume-3:before {
   content: "\e991";
 }
+.icon-gift:before {
+  content: "\e9ad";
+}
 .icon-sort:before {
   content: "\e9ac";
 }

src/util/langProvider.ts

@@ -204,14 +204,14 @@ function processTemplate(template: string, value: any) {
   const initialValue = translationSlices.shift();
 
   return translationSlices.reduce((result, str, index) => {
-    return `${result}${String(value[index] || '')}${str}`;
+    return `${result}${String(value[index] ?? '')}${str}`;
   }, initialValue || '');
 }
 
 function processTranslation(langString: ApiLangString | undefined, key: string, value?: any, format?: 'i') {
-  const preferedPluralOption = typeof value === 'number' ? getPluralOption(value) : 'value';
+  const preferredPluralOption = typeof value === 'number' ? getPluralOption(value) : 'value';
   const template = langString ? (
-    langString[preferedPluralOption] || langString.otherValue || langString.value
+    langString[preferredPluralOption] || langString.otherValue || langString.value
   ) : undefined;
   if (!template || !template.trim()) {
     const parts = key.split('.');