правки

2026-02-01 17:57:46 +03:00
parent a92f33c22f
commit 4e35c73a66
15 changed files with 1573 additions and 231 deletions
--- a/migrations/models/15_20260201174836_add_cost_before_bargain_type.py
+++ b/migrations/models/15_20260201174836_add_cost_before_bargain_type.py
@@ -0,0 +1,103 @@
+from tortoise import BaseDBAsyncClient
+
+RUN_IN_TRANSACTION = True
+
+
+async def upgrade(db: BaseDBAsyncClient) -> str:
+    return """
+        ALTER TABLE "placement" ADD "cost_before_bargain_type" VARCHAR(8);
+        COMMENT ON COLUMN "placement"."cost_before_bargain_type" IS 'FIXED: fixed\nCPM: cpm';"""
+
+
+async def downgrade(db: BaseDBAsyncClient) -> str:
+    return """
+        ALTER TABLE "placement" DROP COLUMN "cost_before_bargain_type";"""
+
+
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+)
--- a/src/adapter/telegram_bot.py
+++ b/src/adapter/telegram_bot.py
@@ -17,11 +17,21 @@ log = logging.getLogger(__name__)

 class TelegramBot(TelegramBase, TelegramBotWriter):
    async def send_message(
-        self, text: str, chat_id: int, parse_mode: str | None = None, disable_preview: bool = False
-    ) -> None:
-        await self.bot.send_message(
-            chat_id=chat_id, text=text, parse_mode=parse_mode, disable_web_page_preview=disable_preview
+        self,
+        text: str,
+        chat_id: int,
+        parse_mode: str | None = None,
+        disable_preview: bool = False,
+        reply_to_message_id: int | None = None,
+    ) -> int:
+        message = await self.bot.send_message(
+            chat_id=chat_id,
+            text=text,
+            parse_mode=parse_mode,
+            disable_web_page_preview=disable_preview,
+            reply_to_message_id=reply_to_message_id,
        )
+        return message.message_id

    async def create_chat_invite_link(self, chat_id: int, requires_approval: bool = False) -> str:
        invite_link = await self.bot.create_chat_invite_link(chat_id=chat_id, creates_join_request=requires_approval)
@@ -34,15 +44,18 @@ class TelegramBot(TelegramBase, TelegramBotWriter):
        buttons: list[list[InlineKeyboardButton]],
        parse_mode: str | None = None,
        disable_preview: bool = False,
-    ) -> None:
+        reply_to_message_id: int | None = None,
+    ) -> int:
        keyboard = InlineKeyboardMarkup(inline_keyboard=buttons)
-        await self.bot.send_message(
+        message = await self.bot.send_message(
            chat_id=chat_id,
            text=text,
            reply_markup=keyboard,
            parse_mode=parse_mode,
            disable_web_page_preview=disable_preview,
+            reply_to_message_id=reply_to_message_id,
        )
+        return message.message_id

    async def send_media_with_inline_keyboard(
        self,
@@ -52,41 +65,47 @@ class TelegramBot(TelegramBase, TelegramBotWriter):
        media_file_id: str,
        buttons: list[list[InlineKeyboardButton]],
        parse_mode: str | None = None,
-    ) -> None:
+        reply_to_message_id: int | None = None,
+    ) -> int:
        keyboard = InlineKeyboardMarkup(inline_keyboard=buttons) if buttons else None
        if media_type == 'photo':
-            await self.bot.send_photo(
+            message = await self.bot.send_photo(
                chat_id=chat_id,
                photo=media_file_id,
                caption=text,
                parse_mode=parse_mode,
                reply_markup=keyboard,
+                reply_to_message_id=reply_to_message_id,
            )
-            return
+            return message.message_id
        if media_type == 'video':
-            await self.bot.send_video(
+            message = await self.bot.send_video(
                chat_id=chat_id,
                video=media_file_id,
                caption=text,
                parse_mode=parse_mode,
                reply_markup=keyboard,
+                reply_to_message_id=reply_to_message_id,
            )
-            return
+            return message.message_id
        if media_type == 'animation':
-            await self.bot.send_animation(
+            message = await self.bot.send_animation(
                chat_id=chat_id,
                animation=media_file_id,
                caption=text,
                parse_mode=parse_mode,
                reply_markup=keyboard,
+                reply_to_message_id=reply_to_message_id,
            )
-            return
-        await self.bot.send_message(
+            return message.message_id
+        message = await self.bot.send_message(
            chat_id=chat_id,
            text=text,
            parse_mode=parse_mode,
            reply_markup=keyboard,
+            reply_to_message_id=reply_to_message_id,
        )
+        return message.message_id

    async def send_media_group(
        self,
@@ -94,9 +113,10 @@ class TelegramBot(TelegramBase, TelegramBotWriter):
        media_items: Sequence[Any],
        caption: str | None = None,
        parse_mode: str | None = None,
-    ) -> None:
+        reply_to_message_id: int | None = None,
+    ) -> int:
        if not media_items:
-            return
+            raise ValueError('No media items to send')

        group: list[InputMediaPhoto | InputMediaVideo] = []
        for index, item in enumerate(media_items):
@@ -113,7 +133,11 @@ class TelegramBot(TelegramBase, TelegramBotWriter):
                raise ValueError(f'Unsupported media type for group: {item.media_type}')

        # Type ignore: aiogram expects Union type but we only use Photo/Video
-        await self.bot.send_media_group(chat_id=chat_id, media=group)  # type: ignore[arg-type]
+        messages = await self.bot.send_media_group(
+            chat_id=chat_id, media=group, reply_to_message_id=reply_to_message_id
+        )  # type: ignore[arg-type]
+        # Return message_id of first message (with caption)
+        return messages[0].message_id

    async def edit_message_text(self, text: str, chat_id: int, message_id: int) -> None:
        await self.bot.edit_message_text(chat_id=chat_id, message_id=message_id, text=text, reply_markup=None)
--- a/src/domain/placement.py
+++ b/src/domain/placement.py
@@ -89,6 +89,7 @@ class Placement(TimestampedModel):
    payment_at = fields.DatetimeField(null=True)
    cost_type = fields.CharEnumField(CostType, null=True, max_length=8)
    cost_value = fields.FloatField(null=True)
+    cost_before_bargain_type = fields.CharEnumField(CostType, null=True, max_length=8)
    cost_before_bargain = fields.FloatField(null=True)
    placement_type = fields.CharEnumField(PlacementType, null=True, max_length=16)
    format = fields.TextField(null=True)
--- a/src/dto/purchase.py
+++ b/src/dto/purchase.py
@@ -18,11 +18,12 @@ class PlacementDetails(pydantic.BaseModel):
    placement_at: datetime.datetime | None = None
    payment_at: datetime.datetime | None = None
    cost: CostInfo | None = None
-    cost_before_bargain: float | None = None
+    cost_before_bargain: CostInfo | None = None
    placement_type: PlacementType | None = None
    format: str | None = None
    comment: str | None = None
    creative_id: uuid.UUID | None = None
+    invite_link_type: InviteLinkType | None = None


 class PlacementOutput(pydantic.BaseModel):
@@ -102,7 +103,7 @@ class UpdatePlacementInput(pydantic.BaseModel):
    placement_at: datetime.datetime | None = None
    payment_at: datetime.datetime | None = None
    cost: CostInfo | None = None
-    cost_before_bargain: float | None = None
+    cost_before_bargain: CostInfo | None = None
    placement_type: PlacementType | None = None
    format: str | None = None

--- a/src/usecase/init.py
+++ b/src/usecase/init.py
@@ -72,8 +72,13 @@ class MediaItem(typing.Protocol):

 class TelegramBotWriter(typing.Protocol):
    async def send_message(
-        self, text: str, chat_id: int, parse_mode: str | None = None, disable_preview: bool = False
-    ) -> None: ...
+        self,
+        text: str,
+        chat_id: int,
+        parse_mode: str | None = None,
+        disable_preview: bool = False,
+        reply_to_message_id: int | None = None,
+    ) -> int: ...

    async def send_message_with_inline_keyboard(
        self,
@@ -82,7 +87,8 @@ class TelegramBotWriter(typing.Protocol):
        buttons: list[list['InlineKeyboardButton']],
        parse_mode: str | None = None,
        disable_preview: bool = False,
-    ) -> None: ...
+        reply_to_message_id: int | None = None,
+    ) -> int: ...

    async def send_media_with_inline_keyboard(
        self,
@@ -92,7 +98,8 @@ class TelegramBotWriter(typing.Protocol):
        media_file_id: str,
        buttons: list[list['InlineKeyboardButton']],
        parse_mode: str | None = None,
-    ) -> None: ...
+        reply_to_message_id: int | None = None,
+    ) -> int: ...

    async def send_media_group(
        self,
@@ -100,7 +107,8 @@ class TelegramBotWriter(typing.Protocol):
        media_items: Sequence[MediaItem],
        caption: str | None = None,
        parse_mode: str | None = None,
-    ) -> None: ...
+        reply_to_message_id: int | None = None,
+    ) -> int: ...

    async def edit_message_text(self, text: str, chat_id: int, message_id: int) -> None: ...

--- a/src/usecase/purchase/build_placement_creative.py
+++ b/src/usecase/purchase/build_placement_creative.py
@@ -51,6 +51,73 @@ def _format_channel_name(channel: domain.Channel) -> str:
    return 'Без названия'


+def _format_channel_link(channel: domain.Channel) -> str:
+    """Format channel as HTML link if possible, otherwise return plain text."""
+    name = _format_channel_name(channel)
+
+    # Try invite_link first
+    if channel.invite_link:
+        return f'<a href="{channel.invite_link}">{name}</a>'
+
+    # Try username
+    if channel.username:
+        return f'<a href="https://t.me/{channel.username}">{name}</a>'
+
+    # No link available, return plain name
+    return name
+
+
+def _build_info_message(
+    placement: domain.Placement,
+    project: domain.Project,
+) -> str:
+    """Build informational message about placement."""
+    lines = []
+
+    # Header
+    lines.append('Ссылка зашита с помощью @smartpost_tg_bot')
+    lines.append('')
+
+    # Placement channel (always present)
+    placement_channel_link = _format_channel_link(placement.channel)
+    lines.append(f'Размещение в канале: {placement_channel_link}')
+
+    # Project channel (always present)
+    project_channel_link = _format_channel_link(project.channel)
+    lines.append(f'Рекламируемый проект: {project_channel_link}')
+
+    # Invite link type (always present)
+    link_type_text = 'Открытая' if placement.invite_link_type == domain.InviteLinkType.PUBLIC else 'С заявками'
+    lines.append(f'Тип ссылки: {link_type_text}')
+
+    # Cost / CPM (optional)
+    if placement.cost_value is not None and placement.cost_value > 0:
+        if placement.cost_type == domain.CostType.CPM:
+            lines.append(f'Ставка CPM: {placement.cost_value:.0f} ₽')
+        else:
+            lines.append(f'Стоимость: {placement.cost_value:.0f} ₽')
+
+    # Date and time (optional)
+    if placement.placement_at:
+        # Check if time is 00:00 (midnight) - then show only date
+        if placement.placement_at.hour == 0 and placement.placement_at.minute == 0:
+            date_str = placement.placement_at.strftime('%d.%m.%Y')
+            lines.append(f'Дата: {date_str}')
+        else:
+            datetime_str = placement.placement_at.strftime('%d.%m.%Y %H:%M')
+            lines.append(f'Дата и время: {datetime_str}')
+
+    # Format (optional)
+    if placement.format:
+        lines.append(f'Формат: {placement.format}')
+
+    # Add empty line before footer
+    lines.append('')
+    lines.append('Пост ниже')
+
+    return '\n'.join(lines)
+
+
 def _build_keyboard_buttons(buttons: list[dto.CreativeButton]) -> list[list[InlineKeyboardButton]]:
    return [[InlineKeyboardButton(text=btn.text, url=btn.url)] for btn in buttons]

@@ -120,10 +187,12 @@ async def build_placement_creative(
        raise domain.UserNotFound(user_id)

    chat_id = user.telegram_user.telegram_id
-    channel_name = _format_channel_name(placement.channel)
-    header = f'<b>Канал:</b> {channel_name}'
-    await self.telegram_bot.send_message(header, chat_id, parse_mode='HTML')

+    # Build and send informational message
+    info_message = _build_info_message(placement, project)
+    info_message_id = await self.telegram_bot.send_message(info_message, chat_id, parse_mode='HTML')
+
+    # Send creative as reply to informational message
    keyboard_buttons = _build_keyboard_buttons(preview.buttons)
    if preview.media_items:
        if len(preview.media_items) == 1:
@@ -135,6 +204,7 @@ async def build_placement_creative(
                media_file_id=media_item.media_file_id,
                buttons=keyboard_buttons,
                parse_mode='HTML',
+                reply_to_message_id=info_message_id,
            )
        else:
            await self.telegram_bot.send_media_group(
@@ -142,6 +212,7 @@ async def build_placement_creative(
                media_items=preview.media_items,
                caption=preview.text,
                parse_mode='HTML',
+                reply_to_message_id=info_message_id,
            )
    elif keyboard_buttons:
        await self.telegram_bot.send_message_with_inline_keyboard(
@@ -150,8 +221,11 @@ async def build_placement_creative(
            keyboard_buttons,
            parse_mode='HTML',
            disable_preview=True,
+            reply_to_message_id=info_message_id,
        )
    else:
-        await self.telegram_bot.send_message(preview.text, chat_id, parse_mode='HTML', disable_preview=True)
+        await self.telegram_bot.send_message(
+            preview.text, chat_id, parse_mode='HTML', disable_preview=True, reply_to_message_id=info_message_id
+        )

    return preview
--- a/src/usecase/purchase/create_placements.py
+++ b/src/usecase/purchase/create_placements.py
@@ -21,7 +21,7 @@ def _build_placement_details(placement: domain.Placement) -> dto.PlacementDetail
        placement_at=placement.placement_at,
        payment_at=placement.payment_at,
        cost=_build_cost_info(placement.cost_type, placement.cost_value),
-        cost_before_bargain=placement.cost_before_bargain,
+        cost_before_bargain=_build_cost_info(placement.cost_before_bargain_type, placement.cost_before_bargain),
        placement_type=placement.placement_type,
        format=placement.format,
        comment=placement.comment,
@@ -117,8 +117,10 @@ async def create_placements(
            or (details.cost.type if details and details.cost else None),
            cost_value=(channel_details.cost.value if channel_details and channel_details.cost else None)
            or (details.cost.value if details and details.cost else None),
-            cost_before_bargain=(channel_details.cost_before_bargain if channel_details else None)
-            or (details.cost_before_bargain if details else None),
+            cost_before_bargain_type=(channel_details.cost_before_bargain.type if channel_details and channel_details.cost_before_bargain else None)
+            or (details.cost_before_bargain.type if details and details.cost_before_bargain else None),
+            cost_before_bargain=(channel_details.cost_before_bargain.value if channel_details and channel_details.cost_before_bargain else None)
+            or (details.cost_before_bargain.value if details and details.cost_before_bargain else None),
            placement_type=details.placement_type if details else None,
            format=(channel_details.format if channel_details else None) or (details.format if details else None),
        )
--- a/src/usecase/purchase/update_placement.py
+++ b/src/usecase/purchase/update_placement.py
@@ -61,7 +61,12 @@ async def update_placement(
            placement.cost_type = input.cost.type
            placement.cost_value = input.cost.value
    if 'cost_before_bargain' in fields_set:
-        placement.cost_before_bargain = input.cost_before_bargain
+        if input.cost_before_bargain is None:
+            placement.cost_before_bargain_type = None
+            placement.cost_before_bargain = None
+        else:
+            placement.cost_before_bargain_type = input.cost_before_bargain.type
+            placement.cost_before_bargain = input.cost_before_bargain.value
    if 'placement_type' in fields_set:
        placement.placement_type = input.placement_type
    if 'format' in fields_set:
--- a/tg_bot/backend/backend_client.go
+++ b/tg_bot/backend/backend_client.go
@@ -581,7 +581,7 @@ type PlacementDetails struct {
 	PlacementAt       *string   `json:"placement_at,omitempty"`
 	PaymentAt         *string   `json:"payment_at,omitempty"`
 	Cost              *CostInfo `json:"cost,omitempty"`
-	CostBeforeBargain *float64  `json:"cost_before_bargain,omitempty"`
+	CostBeforeBargain *CostInfo `json:"cost_before_bargain,omitempty"`
 	PlacementType     *string   `json:"placement_type,omitempty"`
 	Format            *string   `json:"format,omitempty"`
 	Comment           *string   `json:"comment,omitempty"`
--- a/tg_bot/screens/add_purchase.go
+++ b/tg_bot/screens/add_purchase.go
@@ -271,6 +271,8 @@ func (s *AddPurchase) HandleCallback(b *bot.Bot, u *echotron.Update) {
 				CreativeID:        s.CreativeID,
 				CreativeTitle:     s.CreativeTitle,
 				Channels:          []PurchaseChannelInput{},
+				Duplicates:        []string{},
+				ParsingErrors:     []ParseError{},
 				BackState:         s.BackState,
 			}, bot.EditMessage)
 		}
--- a/tg_bot/screens/channel_parser.go
+++ b/tg_bot/screens/channel_parser.go
@@ -0,0 +1,380 @@
+package screens
+
+import (
+	"net/url"
+	"regexp"
+	"strings"
+)
+
+// ChannelInput представляет результат парсинга ввода пользователя
+type ChannelInput struct {
+	Input      string // оригинальный ввод пользователя
+	Username   string // извлеченный username (если применимо)
+	InviteLink string // извлеченный invite link (если применимо)
+	Source     string // источник: telegram, tgstat, telemetr
+	Type       string // тип: username, invite, deeplink, stat
+	Valid      bool   // валидный ли формат
+}
+
+// Парсеры для разных форматов
+var (
+	// Username без @: 5-32 символа, начинается с буквы
+	channelUsernameRe = regexp.MustCompile(`^[A-Za-z][A-Za-z0-9_]{4,31}$`)
+
+	// Invite link: t.me/+xxxxx или t.me/joinchat/xxxxx
+	inviteLinkRe     = regexp.MustCompile(`^t\.me/\+[a-zA-Z0-9_-]+$`)
+	inviteLinkJoinRe = regexp.MustCompile(`^t\.me/joinchat/[a-zA-Z0-9_-]+$`)
+
+	// TGStat: tgstat.ru/channel_name или tgstat.ru/channel/@username
+	tgstatRe = regexp.MustCompile(`^(?:https?://)?(?:www\.)?tgstat\.ru/(?:channel/)?@?([A-Za-z][A-Za-z0-9_.]{4,31})`)
+
+	// Telemetr: telemetr.io/channel/username или telemetr.io/channel/@username
+	telemetrRe = regexp.MustCompile(`^(?:https?://)?(?:www\.)?telemetr\.io/(?:channel|channels)/@?([A-Za-z][A-Za-z0-9_.]{4,31})`)
+)
+
+// ParseChannelInput парсит ввод пользователя и определяет тип канала
+func ParseChannelInput(input string) ChannelInput {
+	input = strings.TrimSpace(input)
+	if input == "" {
+		return ChannelInput{Valid: false}
+	}
+
+	result := ChannelInput{Input: input}
+
+	// 1. Проверяем Telegram deeplink (tg://...)
+	if strings.HasPrefix(input, "tg://") {
+		return parseTelegramDeeplink(input)
+	}
+
+	// 2. Проверяем invite ссылки (t.me/+xxx или t.me/joinchat/xxx)
+	if inviteLinkRe.MatchString(input) || inviteLinkJoinRe.MatchString(input) {
+		result.Type = "invite"
+		result.Source = "telegram"
+		result.InviteLink = normalizeInviteLink(input)
+		result.Valid = true
+		return result
+	}
+
+	// 3. Проверяем URL форматы (http://, https://, t.me/, telegram.me/)
+	if isURLFormat(input) {
+		return parseURLFormat(input)
+	}
+
+	// 4. Проверяем @username
+	if strings.HasPrefix(input, "@") {
+		username := strings.TrimPrefix(input, "@")
+		username = strings.TrimSpace(username)
+		if channelUsernameRe.MatchString(username) {
+			result.Username = username
+			result.Type = "username"
+			result.Source = "telegram"
+			result.Valid = true
+			return result
+		}
+		result.Valid = false
+		return result
+	}
+
+	// 5. Проверяем username (без @)
+	if channelUsernameRe.MatchString(input) {
+		result.Username = input
+		result.Type = "username"
+		result.Source = "telegram"
+		result.Valid = true
+		return result
+	}
+
+	// 6. Ничего не подошло
+	result.Valid = false
+	return result
+}
+
+// parseTelegramDeeplink парсит tg:// ссылки
+func parseTelegramDeeplink(input string) ChannelInput {
+	result := ChannelInput{Input: input, Source: "telegram", Type: "deeplink"}
+
+	// tg://resolve?domain=username&post=123
+	if strings.HasPrefix(input, "tg://resolve?domain=") {
+		parsed, err := url.Parse(input)
+		if err != nil {
+			result.Valid = false
+			return result
+		}
+		query := parsed.Query()
+		domain := query.Get("domain")
+		if domain != "" && channelUsernameRe.MatchString(domain) {
+			result.Username = domain
+			result.Type = "username"
+			result.Valid = true
+			return result
+		}
+	}
+
+	// tg://join?invite=abcdef
+	if strings.HasPrefix(input, "tg://join?invite=") {
+		parsed, err := url.Parse(input)
+		if err != nil {
+			result.Valid = false
+			return result
+		}
+		query := parsed.Query()
+		invite := query.Get("invite")
+		if invite != "" {
+			result.InviteLink = "t.me/+" + invite
+			result.Type = "invite"
+			result.Valid = true
+			return result
+		}
+	}
+
+	result.Valid = false
+	return result
+}
+
+// isURLFormat проверяет, является ли ввод URL или ссылкой
+func isURLFormat(input string) bool {
+	return strings.HasPrefix(input, "http://") ||
+		strings.HasPrefix(input, "https://") ||
+		strings.HasPrefix(input, "t.me/") ||
+		strings.HasPrefix(input, "telegram.me/") ||
+		strings.Contains(input, "t.me/") ||
+		strings.Contains(input, "telegram.me/")
+}
+
+// parseURLFormat парсит URL-форматы ссылок
+func parseURLFormat(input string) ChannelInput {
+	result := ChannelInput{Input: input}
+
+	// Нормализуем: убираем протокол
+	normalized := input
+	normalized = strings.TrimPrefix(normalized, "https://")
+	normalized = strings.TrimPrefix(normalized, "http://")
+	normalized = strings.TrimPrefix(normalized, "www.")
+
+	// Проверяем TGStat
+	if matches := tgstatRe.FindStringSubmatch(input); len(matches) > 1 {
+		username := strings.TrimSuffix(matches[1], "_")
+		result.Username = username
+		result.Type = "stat"
+		result.Source = "tgstat"
+		result.Valid = true
+		return result
+	}
+
+	// Проверяем Telemetr
+	if matches := telemetrRe.FindStringSubmatch(input); len(matches) > 1 {
+		username := strings.TrimSuffix(matches[1], "_")
+		result.Username = username
+		result.Type = "stat"
+		result.Source = "telemetr"
+		result.Valid = true
+		return result
+	}
+
+	// Проверяем telegram.me или t.me
+	if strings.HasPrefix(normalized, "t.me/") || strings.HasPrefix(normalized, "telegram.me/") {
+		return parseTelegramLink(normalized)
+	}
+
+	result.Valid = false
+	return result
+}
+
+// parseTelegramLink парсит ссылки t.me/... и telegram.me/...
+func parseTelegramLink(link string) ChannelInput {
+	result := ChannelInput{Source: "telegram"}
+
+	// Убираем t.me/ или telegram.me/
+	path := link
+	if strings.HasPrefix(path, "telegram.me/") {
+		path = strings.TrimPrefix(path, "telegram.me/")
+	} else {
+		path = strings.TrimPrefix(path, "t.me/")
+	}
+
+	// Проверяем invite link: +xxxxx или joinchat/xxxxx
+	if strings.HasPrefix(path, "+") {
+		inviteHash := strings.TrimPrefix(path, "+")
+		inviteHash = extractBeforeChar(inviteHash, '?', '/')
+		if inviteHash != "" {
+			result.InviteLink = "t.me/+" + inviteHash
+			result.Type = "invite"
+			result.Valid = true
+			return result
+		}
+	}
+
+	if strings.HasPrefix(path, "joinchat/") {
+		inviteHash := strings.TrimPrefix(path, "joinchat/")
+		inviteHash = extractBeforeChar(inviteHash, '?', '/')
+		if inviteHash != "" {
+			result.InviteLink = "t.me/joinchat/" + inviteHash
+			result.Type = "invite"
+			result.Valid = true
+			return result
+		}
+	}
+
+	// Извлекаем username из t.me/username или t.me/username/12345
+	parts := strings.SplitN(path, "/", 2)
+	if len(parts) > 0 {
+		username := parts[0]
+		// Убираем @ если есть
+		username = strings.TrimPrefix(username, "@")
+
+		// Валидируем username
+		if channelUsernameRe.MatchString(username) {
+			result.Username = username
+			result.Type = "username"
+			result.Valid = true
+			return result
+		}
+	}
+
+	result.Valid = false
+	return result
+}
+
+// normalizeInviteLink нормализует invite ссылку
+func normalizeInviteLink(link string) string {
+	link = strings.TrimSpace(link)
+
+	// Добавляем протокол если нужно
+	if !strings.HasPrefix(link, "http://") && !strings.HasPrefix(link, "https://") && !strings.HasPrefix(link, "t.me/") {
+		if strings.HasPrefix(link, "t.me/") {
+			// Уже в нужном формате
+			return link
+		}
+	}
+
+	// Нормализуем t.me/+xxxxx
+	if strings.HasPrefix(link, "t.me/+") {
+		return link
+	}
+
+	// Нормализуем t.me/joinchat/xxxxx
+	if strings.HasPrefix(link, "t.me/joinchat/") {
+		return link
+	}
+
+	return link
+}
+
+// extractBeforeChar извлекает часть строки до первого встреченного символа
+func extractBeforeChar(s string, chars ...rune) string {
+	for _, c := range chars {
+		if idx := strings.IndexRune(s, c); idx != -1 {
+			return s[:idx]
+		}
+	}
+	return s
+}
+
+// SuggestFix предлагает исправление для некорректного ввода
+func SuggestFix(input string) (string, bool) {
+	input = strings.TrimSpace(input)
+	if input == "" {
+		return "", false
+	}
+
+	// 1. Исправляем опечатки в протоколе
+	if strings.HasPrefix(input, "htp://") {
+		fixed := strings.Replace(input, "htp://", "https://", 1)
+		if parsed := ParseChannelInput(fixed); parsed.Valid {
+			return fixed, true
+		}
+	}
+	if strings.HasPrefix(input, "ttps://") {
+		fixed := strings.Replace(input, "ttps://", "https://", 1)
+		if parsed := ParseChannelInput(fixed); parsed.Valid {
+			return fixed, true
+		}
+	}
+	if strings.HasPrefix(input, "ttp://") {
+		fixed := strings.Replace(input, "ttp://", "http://", 1)
+		if parsed := ParseChannelInput(fixed); parsed.Valid {
+			return fixed, true
+		}
+	}
+
+	// 2. Исправляем tme/ → t.me/
+	if strings.HasPrefix(input, "tme/") {
+		fixed := strings.Replace(input, "tme/", "t.me/", 1)
+		if parsed := ParseChannelInput(fixed); parsed.Valid {
+			return fixed, true
+		}
+	}
+	if strings.Contains(input, "tme/") {
+		fixed := strings.Replace(input, "tme/", "t.me/", 1)
+		if parsed := ParseChannelInput(fixed); parsed.Valid {
+			return fixed, true
+		}
+	}
+
+	// 3. Исправляем @@ или @@
+	if strings.HasPrefix(input, "@@") {
+		fixed := strings.TrimPrefix(input, "@")
+		if parsed := ParseChannelInput(fixed); parsed.Valid {
+			return fixed, true
+		}
+	}
+
+	// 4. Пробуем добавить @ в начало username
+	if !strings.HasPrefix(input, "@") && !isURLFormat(input) {
+		fixed := "@" + input
+		if parsed := ParseChannelInput(fixed); parsed.Valid {
+			return fixed, true
+		}
+	}
+
+	// 5. Пробуем убрать лишние символы в конце
+	cleaned := input
+	cleaned = strings.TrimSuffix(cleaned, ".")
+	cleaned = strings.TrimSuffix(cleaned, ",")
+	cleaned = strings.TrimSuffix(cleaned, ";")
+	cleaned = strings.TrimSpace(cleaned)
+	if cleaned != input {
+		if parsed := ParseChannelInput(cleaned); parsed.Valid {
+			return cleaned, true
+		}
+	}
+
+	// 6. Пробуем извлечь username из сложной ссылки
+	if strings.Contains(input, "/") {
+		parts := strings.Split(input, "/")
+		for i := len(parts) - 1; i >= 0; i-- {
+			part := strings.TrimSpace(parts[i])
+			part = strings.TrimPrefix(part, "@")
+			if channelUsernameRe.MatchString(part) {
+				return "@" + part, true
+			}
+		}
+	}
+
+	return "", false
+}
+
+// FormatChannelLabel форматирует метку канала для отображения
+func FormatChannelLabel(input ChannelInput) string {
+	if input.Username != "" {
+		return "@" + input.Username
+	}
+	if input.InviteLink != "" {
+		return formatInviteLabel(input.InviteLink)
+	}
+	return input.Input
+}
+
+// IsDuplicate проверяет, является ли канал дубликатом (case-insensitive для username)
+func IsDuplicate(input ChannelInput, channels []PurchaseChannelInput) bool {
+	for _, ch := range channels {
+		// Case-insensitive сравнение username (@MyChannel == @mychannel)
+		if input.Username != "" && ch.Username != "" && strings.EqualFold(ch.Username, input.Username) {
+			return true
+		}
+		if input.InviteLink != "" && ch.InviteLink == input.InviteLink {
+			return true
+		}
+	}
+	return false
+}
--- a/tg_bot/screens/placement_details.go
+++ b/tg_bot/screens/placement_details.go
@@ -54,7 +54,10 @@ func (s *PlacementDetails) renderDetails(b *bot.Bot, mode bot.RenderMode) {
 			)
 		}
 		if placement.Details.CostBeforeBargain != nil {
-			text += fmt.Sprintf("• <b>До торга:</b> %.0f₽\n", *placement.Details.CostBeforeBargain)
+			text += fmt.Sprintf("• <b>До торга:</b> %s %.0f₽\n",
+				formatCostType(placement.Details.CostBeforeBargain.Type),
+				placement.Details.CostBeforeBargain.Value,
+			)
 		}
 		if placement.Details.Format != nil && *placement.Details.Format != "" {
 			text += fmt.Sprintf("• <b>Формат:</b> %s\n", *placement.Details.Format)
--- a/tg_bot/screens/placements.go
+++ b/tg_bot/screens/placements.go
@@ -86,7 +86,7 @@ func (s *Placements) Exit() {}

 // PlacementsList - экран со списком размещений
 const placementsPerPage = 6
-const placementsPerRow = 2
+const placementsPerRow = 1

 type PlacementsList struct {
 	ProjectID         string
@@ -152,9 +152,9 @@ func (s *PlacementsList) render(b *bot.Bot, mode bot.RenderMode) {
 			}

 			// Текст кнопки: #N • Канал (с пробелом и разделителем)
-			buttonText := fmt.Sprintf("#%d • %s", globalNum, channelName)
+			buttonText := fmt.Sprintf("%d • %s", globalNum, channelName)
 			if dateStr != "" {
-				buttonText += fmt.Sprintf("\n%s", dateStr)
+				buttonText += fmt.Sprintf(" %s", dateStr)
 			}

 			buttons = append(buttons, echotron.InlineKeyboardButton{
--- a/tg_bot/screens/purchase_optional_details.go
+++ b/tg_bot/screens/purchase_optional_details.go
--- a/tg_bot/screens/select_channels_for_purchase.go
+++ b/tg_bot/screens/select_channels_for_purchase.go
@@ -3,7 +3,6 @@ package screens
 import (
 	"context"
 	"fmt"
-	"regexp"
 	"strings"

 	"github.com/NicoNex/echotron/v3"
@@ -33,10 +32,16 @@ type SelectChannelsForPurchase struct {
 	Channels          []PurchaseChannelInput
 	CurrentPage       int
 	InvalidUsernames  []string
+	Duplicates        []string     // дубликаты каналов
+	ParsingErrors     []ParseError // ошибки парсинга с предложениями
 	BackState         bot.State
 }

-var channelUsernameRe = regexp.MustCompile(`^[A-Za-z][A-Za-z0-9_]{4,31}$`)
+// ParseError представляет ошибку парсинга с предложением исправления
+type ParseError struct {
+	Input      string
+	Suggestion string
+}

 func (s *SelectChannelsForPurchase) Enter(b *bot.Bot, mode bot.RenderMode) {
 	s.renderChannelSelection(b, mode)
@@ -118,6 +123,30 @@ func (s *SelectChannelsForPurchase) renderChannelSelection(b *bot.Bot, mode bot.
 		s.InvalidUsernames = nil
 	}

+	// Показываем дубликаты
+	if len(s.Duplicates) > 0 {
+		text += fmt.Sprintf("\n\n⏭️ Пропущены (дубликаты): %s", strings.Join(s.Duplicates, ", "))
+		s.Duplicates = nil
+	}
+
+	// Показываем ошибки с предложениями
+	if len(s.ParsingErrors) > 0 {
+		text += "\n\n❌ Ошибки форматирования:\n"
+		for i, err := range s.ParsingErrors {
+			if i < 3 { // Показываем максимум 3 ошибки
+				if err.Suggestion != "" {
+					text += fmt.Sprintf("• %s → возможно: %s\n", err.Input, err.Suggestion)
+				} else {
+					text += fmt.Sprintf("• %s\n", err.Input)
+				}
+			}
+		}
+		if len(s.ParsingErrors) > 3 {
+			text += fmt.Sprintf("• ... и еще %d\n", len(s.ParsingErrors)-3)
+		}
+		s.ParsingErrors = nil
+	}
+
 	// Кнопки навигации
 	if len(s.Channels) > 0 {
 		buttons = append(buttons, Row(
@@ -164,18 +193,18 @@ func (s *SelectChannelsForPurchase) HandleCallback(b *bot.Bot, u *echotron.Updat
 			return
 		}

-		// Создаем/обновляем каналы в БД через API
-		jwt := b.Session.JWT
-		if jwt == "" {
-			log.Error().Msg("JWT is empty in session")
-			b.SendNew("❌ Ошибка авторизации. Попробуйте /start", Keyboard())
-			return
+		// Проверяем, что все каналы резолвлены (имеют ChannelID)
+		var unresolved []string
+		for _, ch := range s.Channels {
+			if ch.ChannelID == "" {
+				label := channelLabel(ch)
+				unresolved = append(unresolved, label)
+			}
 		}

-		failed := s.resolveChannels(b, jwt)
-		if len(failed) > 0 {
-			text := "❌ Не удалось добавить каналы:\n\n"
-			for _, label := range failed {
+		if len(unresolved) > 0 {
+			text := "❌ Некоторые каналы не были найдены:\n\n"
+			for _, label := range unresolved {
 				text += fmt.Sprintf("• %s\n", label)
 			}
 			text += "\nУдалите их из списка и попробуйте снова"
@@ -186,6 +215,7 @@ func (s *SelectChannelsForPurchase) HandleCallback(b *bot.Bot, u *echotron.Updat
 			return
 		}

+		// Каналы уже резолвлены в HandleMessage, переходим к следующему шагу
 		b.SetState(&PurchaseOptionalDetails{
 			ProjectID:     s.ProjectID,
 			ProjectTitle:  s.ProjectTitle,
@@ -290,12 +320,25 @@ func (s *SelectChannelsForPurchase) HandleMessage(b *bot.Bot, u *echotron.Update
 		return
 	}

+	// Проверяем JWT
+	jwt := b.Session.JWT
+	if jwt == "" {
+		log.Error().Msg("JWT is empty in session")
+		b.SendNew("❌ Ошибка авторизации. Попробуйте /start", Keyboard())
+		return
+	}
+
+	// Разбиваем ввод на токены
 	tokens := strings.FieldsFunc(raw, func(r rune) bool {
 		return r == ' ' || r == '\n' || r == '\t' || r == ',' || r == ';'
 	})

 	added := 0
-	var invalid []string
+	s.Duplicates = nil
+	s.InvalidUsernames = nil
+	s.ParsingErrors = nil
+
+tokensLoop:
 	for _, token := range tokens {
 		entry := strings.TrimSpace(token)
 		entry = strings.Trim(entry, ",;")
@@ -303,53 +346,144 @@ func (s *SelectChannelsForPurchase) HandleMessage(b *bot.Bot, u *echotron.Update
 			continue
 		}

-		var username string
-		var inviteLink string
-		if isInviteLink(entry) {
-			inviteLink = entry
+		// Используем новый парсер
+		parsed := ParseChannelInput(entry)
+
+		if !parsed.Valid {
+			// Пробуем предложить исправление
+			if suggestion, ok := SuggestFix(entry); ok {
+				s.ParsingErrors = append(s.ParsingErrors, ParseError{
+					Input:      entry,
+					Suggestion: suggestion,
+				})
 			} else {
-			username = strings.TrimPrefix(entry, "@")
-			username = strings.Trim(username, "@")
-			if !channelUsernameRe.MatchString(username) {
-				invalid = append(invalid, entry)
+				s.InvalidUsernames = append(s.InvalidUsernames, entry)
+			}
 			continue
 		}
+
+		// Проверяем дубликаты по username/invite link
+		if IsDuplicate(parsed, s.Channels) {
+			label := FormatChannelLabel(parsed)
+			s.Duplicates = append(s.Duplicates, label)
+			continue
 		}

-		exists := false
+		// Сразу резолвим канал через бэкенд
+		channel, err := s.resolveSingleChannel(b, jwt, parsed)
+		if err != nil {
+			// Канал не найден или ошибка
+			s.InvalidUsernames = append(s.InvalidUsernames, entry)
+			log.Error().Err(err).Str("input", entry).Msg("Failed to resolve channel")
+			continue
+		}
+
+		// Проверяем дубликаты по ID канала (после резолва)
 		for _, ch := range s.Channels {
-			if inviteLink != "" && ch.InviteLink == inviteLink {
-				exists = true
-				break
+			if ch.ChannelID != "" && ch.ChannelID == channel.ID {
+				var title, username string
+				if channel.Title != nil {
+					title = *channel.Title
 				}
-			if username != "" && ch.Username == username {
-				exists = true
-				break
+				if channel.Username != nil {
+					username = *channel.Username
 				}
-		}
-		if exists {
-			continue
+				label := channelLabelByID(&channel.ID, &title, &username)
+				s.Duplicates = append(s.Duplicates, label)
+				continue tokensLoop // <-- Выход из внешнего цикла, а не внутреннего!
 			}

+			// Дополнительная проверка по username (case-insensitive)
+			// На случай, если канал еще не резолвлен или ID отличается
+			if channel.Username != nil && ch.Username != "" {
+				if strings.EqualFold(ch.Username, *channel.Username) {
+					var title string
+					if channel.Title != nil {
+						title = *channel.Title
+					}
+					label := channelLabelByID(&channel.ID, &title, channel.Username)
+					s.Duplicates = append(s.Duplicates, label)
+					continue tokensLoop
+				}
+			}
+		}
+
+		// Добавляем канал с полными данными
+		var title string
+		if channel.Title != nil {
+			title = *channel.Title
+		}
 		s.Channels = append(s.Channels, PurchaseChannelInput{
-			Username:   username,
-			InviteLink: inviteLink,
+			ChannelID:  channel.ID,
+			Username:   parsed.Username,
+			Title:      title,
+			InviteLink: parsed.InviteLink,
 		})
 		added++
 	}

-	if added == 0 {
-		if len(invalid) == 0 {
+	// Если ничего не добавлено и нет ошибок - не обновляем экран
+	if added == 0 && len(s.InvalidUsernames) == 0 && len(s.Duplicates) == 0 && len(s.ParsingErrors) == 0 {
 		return
 	}
-	}
-
-	s.InvalidUsernames = invalid

 	// Обновляем экран
 	s.Enter(b, bot.NewMessage)
 }

+// resolveSingleChannel резолвит один канал через бэкенд
+func (s *SelectChannelsForPurchase) resolveSingleChannel(b *bot.Bot, jwt string, parsed ChannelInput) (*backend.Channel, error) {
+	var input backend.CreateChannelInput
+	if parsed.InviteLink != "" {
+		link := parsed.InviteLink
+		input = backend.CreateChannelInput{InviteLink: &link}
+	} else {
+		username := parsed.Username
+		input = backend.CreateChannelInput{Username: &username}
+	}
+
+	resp, err := b.Backend.CreateChannels(context.Background(), jwt, backend.CreateChannelsInput{
+		Channels: []backend.CreateChannelInput{input},
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if len(resp.Results) == 0 {
+		return nil, fmt.Errorf("no response from backend")
+	}
+
+	result := resp.Results[0]
+	if result.Status == "failed" || result.Channel == nil || result.Channel.ID == "" {
+		errMsg := "channel not found"
+		if result.Error != nil {
+			errMsg = *result.Error
+		}
+		return nil, fmt.Errorf(errMsg)
+	}
+
+	// Если пришел username из ответа, обновляем его
+	if result.Channel.Username != nil && *result.Channel.Username != "" {
+		parsed.Username = *result.Channel.Username
+	}
+
+	return result.Channel, nil
+}
+
+// channelLabelByID формирует метку канала по ID
+func channelLabelByID(id, title, username *string) string {
+	if title != nil && *title != "" {
+		return *title
+	}
+	if username != nil && *username != "" {
+		return "@" + *username
+	}
+	if id != nil && *id != "" {
+		return *id
+	}
+	return "канал"
+}
+
 func (s *SelectChannelsForPurchase) resolveChannels(b *bot.Bot, jwt string) []string {
 	inputs := make([]backend.CreateChannelInput, 0, len(s.Channels))
 	for _, ch := range s.Channels {