приватные каналы

2026-01-21 02:41:20 +03:00
parent 233afb5451
commit b5695360c2
27 changed files with 1026 additions and 217 deletions
--- a/migrations/models/7_20260121021919_update.py
+++ b/migrations/models/7_20260121021919_update.py
@@ -0,0 +1,94 @@
+from tortoise import BaseDBAsyncClient
+
+RUN_IN_TRANSACTION = True
+
+
+async def upgrade(db: BaseDBAsyncClient) -> str:
+    return """
+        ALTER TABLE "channel" ADD "invite_link" VARCHAR(1024);
+        ALTER TABLE "channel" ALTER COLUMN "username" DROP NOT NULL;"""
+
+
+async def downgrade(db: BaseDBAsyncClient) -> str:
+    return """
+        ALTER TABLE "channel" DROP COLUMN "invite_link";
+        ALTER TABLE "channel" ALTER COLUMN "username" SET NOT NULL;"""
+
+
+MODELS_STATE = (
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--- a/migrations/models/8_20260121022045_add_channel_constraint.py
+++ b/migrations/models/8_20260121022045_add_channel_constraint.py
@@ -0,0 +1,96 @@
+from tortoise import BaseDBAsyncClient
+
+RUN_IN_TRANSACTION = True
+
+
+async def upgrade(db: BaseDBAsyncClient) -> str:
+    return """
+           ALTER TABLE "channel"
+               ADD CONSTRAINT "channel_identity_required"
+                   CHECK (username IS NOT NULL OR invite_link IS NOT NULL); \
+           """
+
+
+async def downgrade(db: BaseDBAsyncClient) -> str:
+    return """
+           ALTER TABLE "channel" DROP CONSTRAINT IF EXISTS "channel_identity_required"; \
+           """
+
+
+MODELS_STATE = (
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+    'MGxwKjzn7Yy7sbkzHqHC6h7ZpfZ7iCFmcurWgzGSOjPaNtp9JtktOQZJTPfi/WjmbD+saA'
+    'td0mq83MvJVbgTHxnSIAYMKBIX1NlpvfCwZKkIrGXmp2CeeeFpr31Hvvap15q7Vj70xTCK'
+    'ulDjxFU1vqjBXwW+C32UyXgQYBvwXHAr89EX6bdMFoq7WiQzTB3S+8iS94WNMFoyY8o7ck'
+    'WAYMC7kAl9lpilSigXNj27YnoL173/JXhWMRQODDwIf3ffybrS7ruJxXo2IwOkfdyZ7YBa'
+    '9hhKPfwPmAGgDnA8cC5zsVzlfAo8oLpE6IewIOLPe4zi3f+XRdcpI8qs1Wi+sNrSsXJQkt'
+    'cEke1T730P1KgnT0oj3n4hJGe44zEcZvCZeVA4YnciyT3YSdELbTO8cKNyOmhm7NEWC42+'
+    '8s1d1+4X1fBiAW/qRvoEPfDGBGh6ULD11Oz0bTitE6XWTzFm5aygJNBDQR0ERyxblAEzkZ'
+    'x4ImAppIbjSRBN+leOAtPcSZaD6qN+1uy5JDxoompZRD1p2kduWQRqQc0gjc4QaMHhg9MP'
+    'p80KrkjB4I6daENOwy+91cY5/PWWKsjR35uuc/TyjtTc/w1aNNygZd5eJqHMKCNtuZ3OGf'
+    'QHiPBNkDZA9gxyB7gGNB9jh22YMeadNIH3QOBz4WUG7e3vMd4W7UJl90nMxlVZjidI9qr9'
+    '/9wrWGA6HPNW+vS+6ucYG0UF/stz4/5HzRr7psoke1ha2IpOKarz5B5th78U4GXgInh167'
+    '2eLuuY5XgtW3u9wyeCncUnhJnFyanWb7ryHfcjPB0zXlzZQlNw8vntSc7mgotNp86+vAn/'
+    'JVxh5amoKkyNKzgcv+udnpcO3Vq9lfulu9mRvrvpgbbZUojWxUrcc5gVGPPoBRZ5Wj0Plc'
+    'cjXk9NSkOJJIVtdy72AP/cG1kSIsPrOcNj5jW3HgFLTN5ubZkzdgZjvoBoCZHf0EHpjZkT'
+    'oWmBkwM2BmwMzyyczoz6bHnY7RVltMyzZ3QLmhYhRqThVNChttdnq4eR+gSvu1uJNFzu5V'
+    'k+JGWZ0eaqA7ge6UT90ppG1nAGX8S1IO1aA3f6OQ6rI2g+eOqRmg1/JlVVT4mClGjMrnDq'
+    '1ZVD9/XkVFkJ1rxKiC9mw4ixro5VRU+GhqkCfRvYl0WXoqh8jrTszZOiFd9NLkRi+P/FZY'
+    '3E+EOQ7cTiffUuezvxBWPa836le1y/rqw2CrkHW72N1vf0XL4y9Ij1ZowtHzmcAdet4der'
+    'hpJADRSV5MAM8rlRgA4lSRAFpxjGigqWboOPtl0O1ECAaeCQPkSMUv+GMiS+ZZSZEN82c+'
+    'YV2DInlrSul1wftw3/zO4tpqd29YqkIyuEl2KWH2w8v7v4yZBKk='
+)
--- a/src/adapter/parser.py
+++ b/src/adapter/parser.py
@@ -12,8 +12,8 @@ log = logging.getLogger(__name__)
 class FetchChannelResponse(BaseModel):
    id: str
    telegram_id: int
-    username: str
-    title: str
+    username: str | None
+    title: str | None
    access_hash: int
    pts: int

@@ -52,3 +52,33 @@ class ParserClient(Parser):
            except Exception as e:
                log.error('Parser unexpected error for @%s: %s', username, e)
                raise
+
+    async def resolve_telegram_channel_by_invite(self, invite_link: str) -> FetchChannelResponse | None:
+        invite_link = invite_link.strip()
+
+        url = f'{self.base_url}/resolve-channel-by-invite'
+        payload = {'invite_link': invite_link}
+
+        async with httpx.AsyncClient(timeout=self.timeout) as client:
+            try:
+                response = await client.post(url, json=payload)
+
+                if response.status_code == 404:
+                    log.info('Channel not found by invite link')
+                    return None
+
+                response.raise_for_status()
+                data: dict[str, Any] = response.json()
+                return FetchChannelResponse.model_validate(data)
+
+            except httpx.HTTPStatusError as e:
+                if e.response.status_code == 404:
+                    return None
+                log.error('Parser HTTP error for invite link: %s', e)
+                raise
+            except httpx.TimeoutException:
+                log.error('Parser timeout for invite link')
+                raise
+            except Exception as e:
+                log.error('Parser unexpected error for invite link: %s', e)
+                raise
--- a/src/controller/http_v1/channels.py
+++ b/src/controller/http_v1/channels.py
@@ -20,6 +20,13 @@ async def get_channels(
    return paginate(result)  # type: ignore[no-any-return]


+@channels_router.post('')
+async def create_channels(
+    request: dto.CreateChannelsInput, _: Annotated[JWTPayload, Depends(deps.get_current_user)]
+) -> dto.CreateChannelsOutput:
+    return await deps.get_usecase().create_channels(input=request)
+
+
@channels_router.get('/{channel_id}')
 async def get_channel(
    channel_id: uuid.UUID, _: Annotated[JWTPayload, Depends(deps.get_current_user)]
--- a/src/domain/channel.py
+++ b/src/domain/channel.py
@@ -6,10 +6,11 @@ from .base import TimestampedModel
 class Channel(TimestampedModel):
    telegram_id = fields.BigIntField(unique=True, index=True)
    title = fields.CharField(max_length=255)
-    username = fields.CharField(max_length=255, unique=True, index=True)
+    username = fields.CharField(max_length=255, unique=True, index=True, null=True)

    access_hash = fields.BigIntField(null=True)
    pts = fields.IntField(null=True)
+    invite_link = fields.CharField(max_length=1024, null=True)

    class Meta:
        table = 'channel'
--- a/src/dto/init.py
+++ b/src/dto/init.py
@@ -15,6 +15,10 @@ __all__ = (
    'ChannelOutput',
    'GetChannelInput',
    'GetChannelsInput',
+    'CreateChannelInput',
+    'CreateChannelsInput',
+    'CreateChannelResult',
+    'CreateChannelsOutput',
    'GetChannelsOutput',
    'AttachChannelToWorkspaceInput',
    'PlacementOutput',
@@ -121,6 +125,10 @@ from .channel import (
    ChannelOutput,
    GetChannelInput,
    GetChannelsInput,
+    CreateChannelInput,
+    CreateChannelsInput,
+    CreateChannelResult,
+    CreateChannelsOutput,
    GetChannelsOutput,
 )
 from .creative import (
--- a/src/dto/channel.py
+++ b/src/dto/channel.py
@@ -1,4 +1,5 @@
 import uuid
+from typing import Literal

 import pydantic

@@ -26,3 +27,54 @@ class AttachChannelToWorkspaceInput(pydantic.BaseModel):
    channel_id: uuid.UUID
    workspace_id: uuid.UUID
    user_telegram_id: int
+
+
+class CreateChannelInput(pydantic.BaseModel):
+    username: str | None = None
+    invite_link: str | None = None
+
+    @pydantic.field_validator('username')
+    @classmethod
+    def normalize_username(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        username = value.strip()
+        if username.startswith('@'):
+            username = username[1:]
+        username = username.strip()
+        if not username:
+            return None
+        return username
+
+    @pydantic.field_validator('invite_link')
+    @classmethod
+    def normalize_invite_link(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        link = value.strip()
+        if not link:
+            return None
+        return link
+
+    @pydantic.model_validator(mode='after')
+    def validate_input(self) -> 'CreateChannelInput':
+        has_username = bool(self.username)
+        has_invite = bool(self.invite_link)
+        if has_username == has_invite:
+            raise ValueError('Specify exactly one of username or invite_link')
+        return self
+
+
+class CreateChannelsInput(pydantic.BaseModel):
+    channels: list[CreateChannelInput]
+
+
+class CreateChannelResult(pydantic.BaseModel):
+    index: int
+    status: Literal['created', 'updated', 'failed']
+    channel: ChannelOutput | None = None
+    error: str | None = None
+
+
+class CreateChannelsOutput(pydantic.BaseModel):
+    results: list[CreateChannelResult]
--- a/src/dto/purchase.py
+++ b/src/dto/purchase.py
@@ -59,7 +59,7 @@ class PlacementWithPostsOutput(PlacementOutput):
 class CreatePlacementChannelInput(pydantic.BaseModel):
    """Input для создания одного placement (channel + детали)"""

-    username: str = pydantic.Field(pattern=r'^[^@]')
+    channel_id: uuid.UUID
    status: PlacementStatus | None = None
    comment: str | None = None
    details: PlacementDetails | None = None
--- a/src/usecase/init.py
+++ b/src/usecase/init.py
@@ -21,6 +21,7 @@ from .auth.get_jwt_by_telegram_id import get_jwt_by_telegram_id
 from .auth.get_me import get_me
 from .auth.validate_login_token import validate_login_token
 from .channel.attach_channel_to_workspace import attach_channel_to_workspace
+from .channel.create_channels import create_channels
 from .channel.get_channel import get_channel
 from .channel.get_channels import get_channels
 from .creative.create_creative import create_creative
@@ -98,12 +99,15 @@ class JWTEncoder(typing.Protocol):

 class FetchChannelResponse(typing.Protocol):
    telegram_id: int
-    username: str
-    title: str
+    username: str | None
+    title: str | None
+    access_hash: int | None
+    pts: int | None


 class Parser(typing.Protocol):
    async def fetch_telegram_channel(self, username: str) -> FetchChannelResponse | None: ...
+    async def resolve_telegram_channel_by_invite(self, invite_link: str) -> FetchChannelResponse | None: ...


 class S3Storage(typing.Protocol):
@@ -185,6 +189,7 @@ class Usecase:
    update_project_permissions = update_project_permissions
    update_project_invite_link_type = update_project_invite_link_type
    get_channels = get_channels
+    create_channels = create_channels
    get_channel = get_channel
    attach_channel_to_workspace = attach_channel_to_workspace
    # Placement (user-managed) use cases
--- a/src/usecase/channel/create_channels.py
+++ b/src/usecase/channel/create_channels.py
@@ -0,0 +1,93 @@
+import logging
+from typing import TYPE_CHECKING
+
+from src import domain, dto
+
+if TYPE_CHECKING:
+    from .. import Usecase
+
+log = logging.getLogger(__name__)
+
+
+async def create_channels(self: 'Usecase', input: dto.CreateChannelsInput) -> dto.CreateChannelsOutput:
+    results: list[dto.CreateChannelResult] = []
+
+    for index, channel_input in enumerate(input.channels):
+        try:
+            if channel_input.username:
+                parser_response = await self.parser.fetch_telegram_channel(channel_input.username)
+                if not parser_response:
+                    raise domain.TelegramChannelNotFound(channel_input.username)
+            else:
+                parser_response = await self.parser.resolve_telegram_channel_by_invite(channel_input.invite_link or '')
+                if not parser_response:
+                    raise ValueError('Telegram channel not found by invite link')
+
+            parsed_username = parser_response.username or None
+            is_private = channel_input.invite_link != ""
+
+            channel = await self.database.get_channel(telegram_id=parser_response.telegram_id)
+            if not channel and parsed_username:
+                channel = await self.database.get_channel(username=parsed_username)
+
+            status = 'created'
+            if channel:
+                status = 'updated'
+                updated = False
+                if parsed_username is not None and channel.username != parsed_username:
+                    channel.username = parsed_username
+                    updated = True
+                if parser_response.title is not None and channel.title != parser_response.title:
+                    channel.title = parser_response.title
+                    updated = True
+                if parser_response.telegram_id is not None and channel.telegram_id != parser_response.telegram_id:
+                    channel.telegram_id = parser_response.telegram_id
+                    updated = True
+                if parser_response.access_hash is not None and channel.access_hash != parser_response.access_hash:
+                    channel.access_hash = parser_response.access_hash
+                    updated = True
+                if parser_response.pts is not None and channel.pts != parser_response.pts:
+                    channel.pts = parser_response.pts
+                    updated = True
+                if is_private and channel.pts != 0:
+                    channel.pts = 0
+                    updated = True
+                if channel_input.invite_link and channel.invite_link != channel_input.invite_link:
+                    channel.invite_link = channel_input.invite_link
+                    updated = True
+                if updated:
+                    await self.database.update_channel(channel)
+            else:
+                channel = domain.Channel(
+                    username=parsed_username,
+                    telegram_id=parser_response.telegram_id,
+                    title=parser_response.title,
+                    access_hash=parser_response.access_hash,
+                    pts=0 if is_private else parser_response.pts,
+                    invite_link=channel_input.invite_link,
+                )
+                await self.database.create_channel(channel)
+
+            results.append(
+                dto.CreateChannelResult(
+                    index=index,
+                    status=status,
+                    channel=dto.ChannelOutput(
+                        id=channel.id,
+                        telegram_id=channel.telegram_id,
+                        title=channel.title,
+                        username=channel.username,
+                    ),
+                )
+            )
+        except Exception as exc:
+            log.warning('Failed to create channel at index %s: %s', index, exc)
+            results.append(
+                dto.CreateChannelResult(
+                    index=index,
+                    status='failed',
+                    error=str(exc),
+                )
+            )
+
+    return dto.CreateChannelsOutput(results=results)
--- a/src/usecase/channel/get_channels.py
+++ b/src/usecase/channel/get_channels.py
@@ -1,7 +1,7 @@
 import logging
 from typing import TYPE_CHECKING

-from src import domain, dto
+from src import dto

 if TYPE_CHECKING:
    from .. import Usecase
@@ -12,44 +12,6 @@ log = logging.getLogger(__name__)
 async def get_channels(self: 'Usecase', input: dto.GetChannelsInput) -> list[dto.ChannelOutput]:
    channels = await self.database.search_channels(username_query=input.username)

-    if not channels and input.username:
-        try:
-            parser_response = await self.parser.fetch_telegram_channel(input.username)
-        except Exception as exc:
-            log.warning('Parser fetch failed for username query %s: %s', input.username, exc)
-            parser_response = None
-
-        if parser_response:
-            channel = await self.database.get_channel(telegram_id=parser_response.telegram_id)
-            if not channel:
-                channel = await self.database.get_channel(username=parser_response.username)
-
-            if channel:
-                updated = False
-                if channel.username != parser_response.username:
-                    channel.username = parser_response.username
-                    updated = True
-                if channel.title != parser_response.title:
-                    channel.title = parser_response.title
-                    updated = True
-                if channel.telegram_id != parser_response.telegram_id:
-                    channel.telegram_id = parser_response.telegram_id
-                    updated = True
-
-                if updated:
-                    await self.database.update_channel(channel)
-                    log.info('Updated channel @%s from parser response', channel.username)
-            else:
-                channel = domain.Channel(
-                    username=parser_response.username,
-                    telegram_id=parser_response.telegram_id,
-                    title=parser_response.title,
-                )
-                await self.database.create_channel(channel)
-                log.info('Created channel @%s from parser response', channel.username)
-
-            channels = [channel]
-
    log.debug('Found %s channels for username query: %s', len(channels), input.username)

    return [
--- a/src/usecase/project/move_project_to_workspace.py
+++ b/src/usecase/project/move_project_to_workspace.py
@@ -29,13 +29,11 @@ async def move_project_to_workspace(
    if not target_workspace:
        raise domain.WorkspaceNotFound(target_workspace_id)

-    # Проверяем permissions в source workspace (scope на конкретный project)
-    await self.ensure_workspace_permission(
-        source_workspace_id, user_id, domain.PermissionKey.PROJECTS_WRITE, for_project_id=project_id
-    )
+    # Проверяем права владельца в source workspace
+    await self.ensure_workspace_permission(source_workspace_id, user_id, domain.PermissionKey.ADMIN_FULL)

-    # Проверяем permissions в target workspace
-    await self.ensure_workspace_permission(target_workspace_id, user_id, domain.PermissionKey.PROJECTS_WRITE)
+    # Проверяем права владельца в target workspace
+    await self.ensure_workspace_permission(target_workspace_id, user_id, domain.PermissionKey.ADMIN_FULL)

    # Проверяем что канал не существует в target workspace (UNIQUE constraint)
    if await self.database.check_channel_exists_in_workspace(project.channel.id, target_workspace_id):
--- a/src/usecase/project/tg_add_project.py
+++ b/src/usecase/project/tg_add_project.py
@@ -79,28 +79,90 @@ async def tg_add_project(self: 'Usecase', input: dto.ConnectProjectInput) -> dto
        workspace = await self.get_or_create_personal_workspace(user)
        workspaces = [workspace]

+    invite_link = ""
+    parser_response = None
+    is_private = input.username is None
+    if is_private:
+        try:
+            invite_link = await self.telegram_bot.create_chat_invite_link(input.telegram_id)
+            parser_response = await self.parser.resolve_telegram_channel_by_invite(invite_link)
+        except Exception as exc:
+            log.warning('Failed to resolve private channel %s: %s', input.telegram_id, exc)
+            await self.telegram_bot.send_message(
+                f'⚠️ Канал "{input.title}" не может быть подключен.\n\n'
+                'Не удалось создать или проверить инвайт-ссылку.',
+                input.user_telegram_id,
+            )
+            return None
+
+    def build_channel_title() -> str:
+        if parser_response and parser_response.title:
+            return parser_response.title
+        return input.title
+
+    def build_channel_username() -> str | None:
+        if parser_response and parser_response.username:
+            return parser_response.username
+        return input.username
+
+    def build_channel_telegram_id() -> int:
+        if parser_response and parser_response.telegram_id:
+            return parser_response.telegram_id
+        return input.telegram_id
+
+    def update_channel_meta(channel: domain.Channel) -> bool:
+        updated = False
+        title = build_channel_title()
+        username = build_channel_username()
+        telegram_id = build_channel_telegram_id()
+        if channel.title != title:
+            channel.title = title
+            updated = True
+        if username is not None and channel.username != username:
+            channel.username = username
+            updated = True
+        if channel.telegram_id != telegram_id:
+            channel.telegram_id = telegram_id
+            updated = True
+        if parser_response and parser_response.access_hash is not None and channel.access_hash != parser_response.access_hash:
+            channel.access_hash = parser_response.access_hash
+            updated = True
+        if parser_response and parser_response.pts is not None and channel.pts != parser_response.pts:
+            channel.pts = parser_response.pts
+            updated = True
+        if is_private and channel.pts != 0:
+            channel.pts = 0
+            updated = True
+        if invite_link and channel.invite_link != invite_link:
+            channel.invite_link = invite_link
+            updated = True
+        return updated
+
    if len(workspaces) == 1:
        workspace = workspaces[0]

        channel = await self.database.get_channel(telegram_id=input.telegram_id)
        if channel:
-            channel.title = input.title
-            if input.username is not None:
-                channel.username = input.username
-            await self.database.update_channel(channel)
+            if update_channel_meta(channel):
+                await self.database.update_channel(channel)
        else:
-            if input.username is None:
-                log.warning('Cannot create channel %s without username', input.telegram_id)
+            username = build_channel_username()
+            if username is None and invite_link == "":
+                log.warning('Cannot create channel %s without username or invite link', input.telegram_id)
                await self.telegram_bot.send_message(
-                    f'⚠️ Канал "{input.title}" не может быть подключен.\n\nУ канала отсутствует публичный username.',
+                    f'⚠️ Канал "{input.title}" не может быть подключен.\n\n'
+                    'У канала отсутствует публичный username и не удалось получить invite link.',
                    input.user_telegram_id,
                )
                return None

            channel = domain.Channel(
-                telegram_id=input.telegram_id,
-                title=input.title,
-                username=input.username,
+                telegram_id=build_channel_telegram_id(),
+                title=build_channel_title(),
+                username=username,
+                access_hash=(parser_response.access_hash if parser_response else None),
+                pts=(0 if is_private else (parser_response.pts if parser_response else None)),
+                invite_link=invite_link or None,
            )
            await self.database.create_channel(channel)

@@ -139,23 +201,26 @@ async def tg_add_project(self: 'Usecase', input: dto.ConnectProjectInput) -> dto
    # Если >1 workspace - создаем/обновляем канал и отправляем уведомление
    channel = await self.database.get_channel(telegram_id=input.telegram_id)
    if channel:
-        channel.title = input.title
-        if input.username is not None:
-            channel.username = input.username
-        await self.database.update_channel(channel)
+        if update_channel_meta(channel):
+            await self.database.update_channel(channel)
    else:
-        if input.username is None:
-            log.warning('Cannot create channel %s without username', input.telegram_id)
+        username = build_channel_username()
+        if username is None and invite_link == "":
+            log.warning('Cannot create channel %s without username or invite link', input.telegram_id)
            await self.telegram_bot.send_message(
-                f'⚠️ Канал "{input.title}" не может быть подключен.\n\nУ канала отсутствует публичный username.',
+                f'⚠️ Канал "{input.title}" не может быть подключен.\n\n'
+                'У канала отсутствует публичный username и не удалось получить invite link.',
                input.user_telegram_id,
            )
            return None

        channel = domain.Channel(
-            telegram_id=input.telegram_id,
-            title=input.title,
-            username=input.username,
+            telegram_id=build_channel_telegram_id(),
+            title=build_channel_title(),
+            username=username,
+            access_hash=(parser_response.access_hash if parser_response else None),
+            pts=(0 if is_private else (parser_response.pts if parser_response else None)),
+            invite_link=invite_link or None,
        )
        await self.database.create_channel(channel)

--- a/src/usecase/purchase/create_placements.py
+++ b/src/usecase/purchase/create_placements.py
@@ -79,20 +79,9 @@ async def create_placements(
    creatives_by_id: dict[uuid.UUID, domain.Creative] = {}

    for channel_input in input.channels:
-        channel = await self.database.get_channel(username=channel_input.username)
-
+        channel = await self.database.get_channel(channel_id=channel_input.channel_id)
        if not channel:
-            parser_response = await self.parser.fetch_telegram_channel(channel_input.username)
-            if not parser_response:
-                raise domain.TelegramChannelNotFound(channel_input.username)
-
-            channel = domain.Channel(
-                username=parser_response.username,
-                telegram_id=parser_response.telegram_id,
-                title=parser_response.title,
-            )
-            await self.database.create_channel(channel)
-            log.info('Created channel @%s with telegram_id=%s', channel.username, channel.telegram_id)
+            raise domain.ChannelNotFound(channel_input.channel_id)

        # Объединяем общие детали с деталями конкретного канала
        channel_details = channel_input.details
--- a/tg_bot/backend/backend_client.go
+++ b/tg_bot/backend/backend_client.go
@@ -542,6 +542,26 @@ type Channel struct {
 	Username   *string `json:"username"`
 }

+type CreateChannelInput struct {
+	Username   *string `json:"username,omitempty"`
+	InviteLink *string `json:"invite_link,omitempty"`
+}
+
+type CreateChannelsInput struct {
+	Channels []CreateChannelInput `json:"channels"`
+}
+
+type CreateChannelResult struct {
+	Index   int      `json:"index"`
+	Status  string   `json:"status"`
+	Channel *Channel `json:"channel,omitempty"`
+	Error   *string  `json:"error,omitempty"`
+}
+
+type CreateChannelsOutput struct {
+	Results []CreateChannelResult `json:"results"`
+}
+
 type CostInfo struct {
 	Type  string  `json:"type"`
 	Value float64 `json:"value"`
@@ -588,10 +608,10 @@ type PostOutput struct {
 }

 type CreatePlacementChannelInput struct {
-	Username string            `json:"username"`
-	Status   *string           `json:"status,omitempty"`
-	Comment  *string           `json:"comment,omitempty"`
-	Details  *PlacementDetails `json:"details,omitempty"`
+	ChannelID string            `json:"channel_id"`
+	Status    *string           `json:"status,omitempty"`
+	Comment   *string           `json:"comment,omitempty"`
+	Details   *PlacementDetails `json:"details,omitempty"`
 }

 type CreatePlacementsInput struct {
@@ -635,6 +655,24 @@ func (c *Client) CreatePlacements(
 	return &placements, err
 }

+func (c *Client) CreateChannels(
+	ctx context.Context,
+	jwt string,
+	input CreateChannelsInput,
+) (*CreateChannelsOutput, error) {
+	var response CreateChannelsOutput
+	err := c.do(
+		ctx,
+		http.MethodPost,
+		"api/v1/channels",
+		input,
+		&response,
+		withBearer(jwt),
+	)
+
+	return &response, err
+}
+
 func (c *Client) GetPlacements(
 	ctx context.Context,
 	jwt string,
--- a/tg_bot/screens/purchase_optional_details.go
+++ b/tg_bot/screens/purchase_optional_details.go
@@ -521,7 +521,7 @@ func (s *PurchaseOptionalDetails) renderInputPrompt(b *bot.Bot, mode bot.RenderM
 	case "cost_value":
 		text += "<b>Ввод стоимости</b>\n\nНапример: <code>15000</code>"
 		if s.CurrentChannel != "" {
-			text += fmt.Sprintf("\n\nКанал: <b>@%s</b>", s.CurrentChannel)
+			text += fmt.Sprintf("\n\nКанал: <b>%s</b>", channelLabelByKey(s.Channels, s.CurrentChannel))
 		}

 		typeLabel := s.costTypeLabelForCurrent()
@@ -539,12 +539,12 @@ func (s *PurchaseOptionalDetails) renderInputPrompt(b *bot.Bot, mode bot.RenderM
 	case "cost_before_value":
 		text += "<b>Ввод стоимости до торга</b>\n\nНапример: <code>20000</code>"
 		if s.CurrentChannel != "" {
-			text += fmt.Sprintf("\n\nКанал: <b>@%s</b>", s.CurrentChannel)
+			text += fmt.Sprintf("\n\nКанал: <b>%s</b>", channelLabelByKey(s.Channels, s.CurrentChannel))
 		}
 	case "format_select":
 		text = "<i>Страница ввода формата размещения</i>\n\n"
 		if s.CurrentChannel != "" {
-			text += fmt.Sprintf("Канал: <b>@%s</b>\n\n", s.CurrentChannel)
+			text += fmt.Sprintf("Канал: <b>%s</b>\n\n", channelLabelByKey(s.Channels, s.CurrentChannel))
 		}
 		text += "Выберите формат\n\n"
 		keyboard := Keyboard(
@@ -707,7 +707,7 @@ func (s *PurchaseOptionalDetails) renderParamChannels(b *bot.Bot, mode bot.Rende
 	// Список каналов с кнопками в зависимости от режима
 	for i := start; i < end; i++ {
 		label := fmt.Sprintf("%d", i+1)
-		channelUsername := s.Channels[i].Username
+		channelKey := channelKey(s.Channels[i])

 		if s.ChannelEditMode == "copy" {
 			// Режим копирования
@@ -723,7 +723,7 @@ func (s *PurchaseOptionalDetails) renderParamChannels(b *bot.Bot, mode bot.Rende
 			}

 			// Кнопка удаления - только если есть данные у канала
-			if s.hasChannelValue(param, channelUsername) {
+			if s.hasChannelValue(param, channelKey) {
 				channelRow = append(channelRow, Button("⌫", fmt.Sprintf("param_clear:%s:%d", param, i)))
 			} else {
 				channelRow = append(channelRow, Button(" ", "noop"))
@@ -736,7 +736,7 @@ func (s *PurchaseOptionalDetails) renderParamChannels(b *bot.Bot, mode bot.Rende
 			channelRow = append(channelRow, Button(label, fmt.Sprintf("param_edit:%s:%d", param, i)))

 			// Кнопка "Добавить" или "Изменить" в зависимости от наличия данных
-			hasValue := s.hasChannelValue(param, channelUsername)
+			hasValue := s.hasChannelValue(param, channelKey)
 			if hasValue {
 				channelRow = append(channelRow, Button("Изменить", fmt.Sprintf("param_edit:%s:%d", param, i)))
 			} else {
@@ -772,8 +772,9 @@ func (s *PurchaseOptionalDetails) renderParamChannels(b *bot.Bot, mode bot.Rende
 func (s *PurchaseOptionalDetails) renderParamChannelSummary(param string) string {
 	var lines []string
 	for i, ch := range s.Channels {
-		value := s.formatParamValue(param, ch.Username)
-		lines = append(lines, fmt.Sprintf("%d. @%s — %s", i+1, ch.Username, value))
+		channelKey := channelKey(ch)
+		value := s.formatParamValue(param, channelKey)
+		lines = append(lines, fmt.Sprintf("%d. %s — %s", i+1, channelLabel(ch), value))
 	}
 	return strings.Join(lines, "\n")
 }
@@ -788,7 +789,7 @@ func (s *PurchaseOptionalDetails) handleParamCallback(b *bot.Bot, data string) b
 		}
 		if index >= 0 && index < len(s.Channels) {
 			s.CurrentParam = param
-			s.CurrentChannel = s.Channels[index].Username
+			s.CurrentChannel = channelKey(s.Channels[index])
 			s.openChannelEditor(b, param, s.CurrentChannel)
 			return true
 		}
@@ -801,8 +802,8 @@ func (s *PurchaseOptionalDetails) handleParamCallback(b *bot.Bot, data string) b
 			return true
 		}
 		if index >= 0 && index < len(s.Channels) {
-			username := s.Channels[index].Username
-			s.copyParamValue(param, username)
+			channelKey := channelKey(s.Channels[index])
+			s.copyParamValue(param, channelKey)
 			s.Enter(b, bot.EditMessage)
 			return true
 		}
@@ -815,8 +816,8 @@ func (s *PurchaseOptionalDetails) handleParamCallback(b *bot.Bot, data string) b
 			return true
 		}
 		if index >= 0 && index < len(s.Channels) {
-			username := s.Channels[index].Username
-			s.pasteParamValue(param, username)
+			channelKey := channelKey(s.Channels[index])
+			s.pasteParamValue(param, channelKey)
 			s.Enter(b, bot.EditMessage)
 			return true
 		}
@@ -829,8 +830,8 @@ func (s *PurchaseOptionalDetails) handleParamCallback(b *bot.Bot, data string) b
 			return true
 		}
 		if index >= 0 && index < len(s.Channels) {
-			username := s.Channels[index].Username
-			s.clearParamValue(param, username)
+			channelKey := channelKey(s.Channels[index])
+			s.clearParamValue(param, channelKey)
 			s.Enter(b, bot.EditMessage)
 			return true
 		}
@@ -902,31 +903,31 @@ func (s *PurchaseOptionalDetails) openCommonEditor(b *bot.Bot, param string) {
 	}
 }

-func (s *PurchaseOptionalDetails) openChannelEditor(b *bot.Bot, param, username string) {
+func (s *PurchaseOptionalDetails) openChannelEditor(b *bot.Bot, param, channelKey string) {
 	switch param {
 	case "placement":
 		s.InputMode = "placement_channels"
 		b.SetState(ui2.NewDateTimePicker(ui2.DateTimePickerConfig{
 			Title:       "Дата и время размещения",
-			Key:         "placement_datetime:" + username,
+			Key:         "placement_datetime:" + channelKey,
 			IncludeTime: true,
-			Selected:    s.PlacementByChannel[username],
+			Selected:    s.PlacementByChannel[channelKey],
 			BackState:   s,
 		}), bot.EditMessage)
 	case "cost":
 		s.InputMode = "cost_value"
 		s.ReturnMode = "cost_channels"
-		s.CurrentChannel = username
+		s.CurrentChannel = channelKey
 		s.Enter(b, bot.EditMessage)
 	case "cost_before":
 		s.InputMode = "cost_before_value"
 		s.ReturnMode = "cost_before_channels"
-		s.CurrentChannel = username
+		s.CurrentChannel = channelKey
 		s.Enter(b, bot.EditMessage)
 	case "format":
 		s.InputMode = "format_select"
 		s.ReturnMode = "format_channels"
-		s.CurrentChannel = username
+		s.CurrentChannel = channelKey
 		s.Enter(b, bot.EditMessage)
 	default:
 		s.InputMode = ""
@@ -934,12 +935,12 @@ func (s *PurchaseOptionalDetails) openChannelEditor(b *bot.Bot, param, username
 	}
 }

-func (s *PurchaseOptionalDetails) copyParamValue(param, username string) {
+func (s *PurchaseOptionalDetails) copyParamValue(param, channelKey string) {
 	switch param {
 	case "placement":
-		s.PlacementCopy = s.PlacementByChannel[username]
+		s.PlacementCopy = s.PlacementByChannel[channelKey]
 	case "cost":
-		entry := s.CostByChannel[username]
+		entry := s.CostByChannel[channelKey]
 		copied := entry
 		if entry.Value == nil {
 			copied.Value = nil
@@ -949,9 +950,9 @@ func (s *PurchaseOptionalDetails) copyParamValue(param, username string) {
 		}
 		s.CostCopy = &copied
 	case "cost_before":
-		s.CostBeforeCopy = s.CostBeforeByChannel[username]
+		s.CostBeforeCopy = s.CostBeforeByChannel[channelKey]
 	case "format":
-		if value, ok := s.FormatByChannel[username]; ok {
+		if value, ok := s.FormatByChannel[channelKey]; ok {
 			copied := value
 			s.FormatCopy = &copied
 		} else {
@@ -960,18 +961,18 @@ func (s *PurchaseOptionalDetails) copyParamValue(param, username string) {
 	}
 }

-func (s *PurchaseOptionalDetails) pasteParamValue(param, username string) {
+func (s *PurchaseOptionalDetails) pasteParamValue(param, channelKey string) {
 	switch param {
 	case "placement":
 		if s.PlacementCopy == nil {
-			s.PlacementByChannel[username] = nil
+			s.PlacementByChannel[channelKey] = nil
 			return
 		}
 		value := s.PlacementCopy.In(ui2.MskLocation)
-		s.PlacementByChannel[username] = &value
+		s.PlacementByChannel[channelKey] = &value
 	case "cost":
 		if s.CostCopy == nil {
-			delete(s.CostByChannel, username)
+			delete(s.CostByChannel, channelKey)
 			return
 		}
 		copied := *s.CostCopy
@@ -979,20 +980,20 @@ func (s *PurchaseOptionalDetails) pasteParamValue(param, username string) {
 			value := *copied.Value
 			copied.Value = &value
 		}
-		s.CostByChannel[username] = copied
+		s.CostByChannel[channelKey] = copied
 	case "cost_before":
 		if s.CostBeforeCopy == nil {
-			s.CostBeforeByChannel[username] = nil
+			s.CostBeforeByChannel[channelKey] = nil
 			return
 		}
 		value := *s.CostBeforeCopy
-		s.CostBeforeByChannel[username] = &value
+		s.CostBeforeByChannel[channelKey] = &value
 	case "format":
 		if s.FormatCopy == nil {
-			delete(s.FormatByChannel, username)
+			delete(s.FormatByChannel, channelKey)
 			return
 		}
-		s.FormatByChannel[username] = *s.FormatCopy
+		s.FormatByChannel[channelKey] = *s.FormatCopy
 	}
 }

@@ -1000,33 +1001,33 @@ func (s *PurchaseOptionalDetails) applyParamToAll(param string) {
 	switch param {
 	case "placement":
 		for _, ch := range s.Channels {
-			s.pasteParamValue(param, ch.Username)
+			s.pasteParamValue(param, channelKey(ch))
 		}
 	case "cost":
 		for _, ch := range s.Channels {
-			s.pasteParamValue(param, ch.Username)
+			s.pasteParamValue(param, channelKey(ch))
 		}
 	case "cost_before":
 		for _, ch := range s.Channels {
-			s.pasteParamValue(param, ch.Username)
+			s.pasteParamValue(param, channelKey(ch))
 		}
 	case "format":
 		for _, ch := range s.Channels {
-			s.pasteParamValue(param, ch.Username)
+			s.pasteParamValue(param, channelKey(ch))
 		}
 	}
 }

-func (s *PurchaseOptionalDetails) clearParamValue(param, username string) {
+func (s *PurchaseOptionalDetails) clearParamValue(param, channelKey string) {
 	switch param {
 	case "placement":
-		s.PlacementByChannel[username] = nil
+		s.PlacementByChannel[channelKey] = nil
 	case "cost":
-		delete(s.CostByChannel, username)
+		delete(s.CostByChannel, channelKey)
 	case "cost_before":
-		s.CostBeforeByChannel[username] = nil
+		s.CostBeforeByChannel[channelKey] = nil
 	case "format":
-		delete(s.FormatByChannel, username)
+		delete(s.FormatByChannel, channelKey)
 	}
 }

@@ -1116,7 +1117,10 @@ func (s *PurchaseOptionalDetails) ensureDefaults() {
 func (s *PurchaseOptionalDetails) syncChannelMaps() {
 	valid := make(map[string]struct{}, len(s.Channels))
 	for _, ch := range s.Channels {
-		valid[ch.Username] = struct{}{}
+		key := channelKey(ch)
+		if key != "" {
+			valid[key] = struct{}{}
+		}
 	}
 	for key := range s.PlacementByChannel {
 		if _, ok := valid[key]; !ok {
@@ -1196,17 +1200,17 @@ func (s *PurchaseOptionalDetails) formatFormatDetails() string {
 	return "\n" + s.renderParamChannelSummary("format")
 }

-func (s *PurchaseOptionalDetails) formatParamValue(param, username string) string {
+func (s *PurchaseOptionalDetails) formatParamValue(param, channelKey string) string {
 	switch param {
 	case "placement":
-		value := s.PlacementByChannel[username]
+		value := s.PlacementByChannel[channelKey]
 		return s.formatDateTime(value)
 	case "cost":
-		return s.formatCostForChannel(username)
+		return s.formatCostForChannel(channelKey)
 	case "cost_before":
-		return s.formatCostBeforeForChannel(username)
+		return s.formatCostBeforeForChannel(channelKey)
 	case "format":
-		if value, ok := s.FormatByChannel[username]; ok && value != "" {
+		if value, ok := s.FormatByChannel[channelKey]; ok && value != "" {
 			return value
 		}
 		return "—"
@@ -1215,8 +1219,8 @@ func (s *PurchaseOptionalDetails) formatParamValue(param, username string) strin
 	}
 }

-func (s *PurchaseOptionalDetails) formatCostForChannel(username string) string {
-	entry, ok := s.CostByChannel[username]
+func (s *PurchaseOptionalDetails) formatCostForChannel(channelKey string) string {
+	entry, ok := s.CostByChannel[channelKey]
 	if !ok || entry.Value == nil {
 		return "—"
 	}
@@ -1224,8 +1228,8 @@ func (s *PurchaseOptionalDetails) formatCostForChannel(username string) string {
 	return fmt.Sprintf("%s %.0f₽", label, *entry.Value)
 }

-func (s *PurchaseOptionalDetails) formatCostBeforeForChannel(username string) string {
-	value, ok := s.CostBeforeByChannel[username]
+func (s *PurchaseOptionalDetails) formatCostBeforeForChannel(channelKey string) string {
+	value, ok := s.CostBeforeByChannel[channelKey]
 	if !ok || value == nil {
 		return "—"
 	}
@@ -1247,19 +1251,19 @@ func (s *PurchaseOptionalDetails) hasCopyBuffer(param string) bool {
 	}
 }

-func (s *PurchaseOptionalDetails) hasChannelValue(param, username string) bool {
+func (s *PurchaseOptionalDetails) hasChannelValue(param, channelKey string) bool {
 	switch param {
 	case "placement":
-		value, ok := s.PlacementByChannel[username]
+		value, ok := s.PlacementByChannel[channelKey]
 		return ok && value != nil
 	case "cost":
-		entry, ok := s.CostByChannel[username]
+		entry, ok := s.CostByChannel[channelKey]
 		return ok && entry.Value != nil
 	case "cost_before":
-		value, ok := s.CostBeforeByChannel[username]
+		value, ok := s.CostBeforeByChannel[channelKey]
 		return ok && value != nil
 	case "format":
-		value, ok := s.FormatByChannel[username]
+		value, ok := s.FormatByChannel[channelKey]
 		return ok && value != ""
 	default:
 		return false
@@ -1412,14 +1416,14 @@ func (s *PurchaseOptionalDetails) createPurchase(b *bot.Bot, jwt string) {

 	apiChannels := make([]backend.CreatePlacementChannelInput, 0, len(s.Channels))
 	for _, ch := range s.Channels {
-		channelDetails := s.buildChannelDetails(ch.Username)
+		channelDetails := s.buildChannelDetails(channelKey(ch))
 		if channelDetails != nil && s.isChannelDetailsEmpty(channelDetails) {
 			channelDetails = nil
 		}
 		apiChannels = append(apiChannels, backend.CreatePlacementChannelInput{
-			Username: ch.Username,
-			Comment:  ch.Comment,
-			Details:  channelDetails,
+			ChannelID: ch.ChannelID,
+			Comment:   ch.Comment,
+			Details:   channelDetails,
 		})
 	}

@@ -1495,29 +1499,29 @@ func (s *PurchaseOptionalDetails) buildPlacementDetails(placementType *string) *
 	return details
 }

-func (s *PurchaseOptionalDetails) buildChannelDetails(username string) *backend.PlacementDetails {
+func (s *PurchaseOptionalDetails) buildChannelDetails(channelKey string) *backend.PlacementDetails {
 	if len(s.Channels) <= 1 {
 		return nil
 	}

 	details := &backend.PlacementDetails{}
 	if s.PlacementMode == "per_channel" {
-		if value, ok := s.PlacementByChannel[username]; ok && value != nil {
+		if value, ok := s.PlacementByChannel[channelKey]; ok && value != nil {
 			formatted := value.Format(time.RFC3339)
 			details.PlacementAt = &formatted
 		}
 	}
 	if s.CostMode == "per_channel" {
-		entry := s.CostByChannel[username]
+		entry := s.CostByChannel[channelKey]
 		details.Cost = s.buildCostInfo(entry.Type, entry.Value)
 	}
 	if s.CostBeforeMode == "per_channel" {
-		if value, ok := s.CostBeforeByChannel[username]; ok && value != nil {
+		if value, ok := s.CostBeforeByChannel[channelKey]; ok && value != nil {
 			details.CostBeforeBargain = value
 		}
 	}
 	if s.FormatMode == "per_channel" {
-		if value, ok := s.FormatByChannel[username]; ok && value != "" {
+		if value, ok := s.FormatByChannel[channelKey]; ok && value != "" {
 			details.Format = &value
 		}
 	}
--- a/tg_bot/screens/select_channels_for_purchase.go
+++ b/tg_bot/screens/select_channels_for_purchase.go
@@ -14,7 +14,10 @@ import (
 )

 type PurchaseChannelInput struct {
+	ChannelID   string
 	Username    string
+	Title       string
+	InviteLink  string
 	PlannedCost *float64
 	Comment     *string
 }
@@ -48,15 +51,15 @@ func (s *SelectChannelsForPurchase) renderChannelSelection(b *bot.Bot, mode bot.
 	if len(s.Channels) == 0 {
 		text += `Добавьте каналы для размещения рекламы

-Отправьте username канала (без @)
-Например: <code>channel_name</code>
+Отправьте username (без @) или invite link приватного канала
+Например: <code>channel_name</code> или <code>https://t.me/+abcdef</code>

 После добавления всех каналов нажмите <b>Далее</b>`
 	} else {
 		text += fmt.Sprintf("Добавлено каналов: <b>%d</b>\n\n", len(s.Channels))

 		for i, ch := range s.Channels {
-			channelText := fmt.Sprintf("  %d. @%s", i+1, ch.Username)
+			channelText := fmt.Sprintf("  %d. %s", i+1, channelLabel(ch))
 			if ch.PlannedCost != nil {
 				channelText += fmt.Sprintf(" — %.0f₽", *ch.PlannedCost)
 			}
@@ -73,9 +76,9 @@ func (s *SelectChannelsForPurchase) renderChannelSelection(b *bot.Bot, mode bot.
 		var slots []echotron.InlineKeyboardButton
 		for i := start; i < end; i++ {
 			ch := s.Channels[i]
-			buttonText := fmt.Sprintf("@%s", ch.Username)
+			buttonText := channelLabel(ch)
 			if ch.PlannedCost != nil {
-				buttonText = fmt.Sprintf("@%s — %.0f₽", ch.Username, *ch.PlannedCost)
+				buttonText = fmt.Sprintf("%s — %.0f₽", channelLabel(ch), *ch.PlannedCost)
 			}
 			slots = append(slots, Button(buttonText, fmt.Sprintf("remove_channel:%d", i)))
 		}
@@ -161,7 +164,7 @@ func (s *SelectChannelsForPurchase) HandleCallback(b *bot.Bot, u *echotron.Updat
 			return
 		}

-		// Проверяем существование каналов через API
+		// Создаем/обновляем каналы в БД через API
 		jwt := b.Session.JWT
 		if jwt == "" {
 			log.Error().Msg("JWT is empty in session")
@@ -169,11 +172,11 @@ func (s *SelectChannelsForPurchase) HandleCallback(b *bot.Bot, u *echotron.Updat
 			return
 		}

-		notFoundChannels := s.validateChannels(b, jwt)
-		if len(notFoundChannels) > 0 {
-			text := "❌ Следующие каналы не найдены:\n\n"
-			for _, username := range notFoundChannels {
-				text += fmt.Sprintf("• @%s\n", username)
+		failed := s.resolveChannels(b, jwt)
+		if len(failed) > 0 {
+			text := "❌ Не удалось добавить каналы:\n\n"
+			for _, label := range failed {
+				text += fmt.Sprintf("• %s\n", label)
 			}
 			text += "\nУдалите их из списка и попробуйте снова"

@@ -242,9 +245,9 @@ func (s *SelectChannelsForPurchase) createPurchase(b *bot.Bot, jwt string) {
 			}
 		}
 		apiChannels = append(apiChannels, backend.CreatePlacementChannelInput{
-			Username: ch.Username,
-			Comment:  ch.Comment,
-			Details:  details,
+			ChannelID: ch.ChannelID,
+			Comment:   ch.Comment,
+			Details:   details,
 		})
 	}

@@ -294,22 +297,32 @@ func (s *SelectChannelsForPurchase) HandleMessage(b *bot.Bot, u *echotron.Update
 	added := 0
 	var invalid []string
 	for _, token := range tokens {
-		username := strings.TrimSpace(token)
-		username = strings.TrimPrefix(username, "@")
-		username = strings.Trim(username, "@")
-		username = strings.Trim(username, ",;")
-
-		if username == "" {
+		entry := strings.TrimSpace(token)
+		entry = strings.Trim(entry, ",;")
+		if entry == "" {
 			continue
 		}
-		if !channelUsernameRe.MatchString(username) {
-			invalid = append(invalid, username)
-			continue
+
+		var username string
+		var inviteLink string
+		if isInviteLink(entry) {
+			inviteLink = entry
+		} else {
+			username = strings.TrimPrefix(entry, "@")
+			username = strings.Trim(username, "@")
+			if !channelUsernameRe.MatchString(username) {
+				invalid = append(invalid, entry)
+				continue
+			}
 		}

 		exists := false
 		for _, ch := range s.Channels {
-			if ch.Username == username {
+			if inviteLink != "" && ch.InviteLink == inviteLink {
+				exists = true
+				break
+			}
+			if username != "" && ch.Username == username {
 				exists = true
 				break
 			}
@@ -319,7 +332,8 @@ func (s *SelectChannelsForPurchase) HandleMessage(b *bot.Bot, u *echotron.Update
 		}

 		s.Channels = append(s.Channels, PurchaseChannelInput{
-			Username: username,
+			Username:   username,
+			InviteLink: inviteLink,
 		})
 		added++
 	}
@@ -336,37 +350,48 @@ func (s *SelectChannelsForPurchase) HandleMessage(b *bot.Bot, u *echotron.Update
 	s.Enter(b, bot.NewMessage)
 }

-func (s *SelectChannelsForPurchase) validateChannels(b *bot.Bot, jwt string) []string {
-	var notFound []string
-
+func (s *SelectChannelsForPurchase) resolveChannels(b *bot.Bot, jwt string) []string {
+	inputs := make([]backend.CreateChannelInput, 0, len(s.Channels))
 	for _, ch := range s.Channels {
-		channels, err := b.Backend.SearchChannels(
-			context.Background(),
-			jwt,
-			ch.Username,
-		)
-
-		if err != nil {
-			log.Error().Err(err).Str("username", ch.Username).Msg("Failed to search channel")
-			notFound = append(notFound, ch.Username)
-			continue
-		}
-
-		// Проверяем что нашли хотя бы один канал с точным совпадением username
-		found := false
-		for _, channel := range channels {
-			if channel.Username != nil && *channel.Username == ch.Username {
-				found = true
-				break
-			}
-		}
-
-		if !found {
-			notFound = append(notFound, ch.Username)
+		if ch.InviteLink != "" {
+			link := ch.InviteLink
+			inputs = append(inputs, backend.CreateChannelInput{InviteLink: &link})
+		} else {
+			username := ch.Username
+			inputs = append(inputs, backend.CreateChannelInput{Username: &username})
 		}
 	}

-	return notFound
+	resp, err := b.Backend.CreateChannels(context.Background(), jwt, backend.CreateChannelsInput{
+		Channels: inputs,
+	})
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to create channels")
+		return []string{"ошибка сервера"}
+	}
+
+	var failed []string
+	for _, result := range resp.Results {
+		if result.Status == "failed" || result.Channel == nil || result.Channel.ID == "" {
+			if result.Index >= 0 && result.Index < len(s.Channels) {
+				failed = append(failed, channelLabel(s.Channels[result.Index]))
+			}
+			continue
+		}
+		if result.Index < 0 || result.Index >= len(s.Channels) {
+			continue
+		}
+		ch := &s.Channels[result.Index]
+		ch.ChannelID = result.Channel.ID
+		if result.Channel.Username != nil {
+			ch.Username = *result.Channel.Username
+		}
+		if result.Channel.Title != nil {
+			ch.Title = *result.Channel.Title
+		}
+	}
+
+	return failed
 }

 func (s *SelectChannelsForPurchase) Handle(b *bot.Bot, u *echotron.Update) {
@@ -380,3 +405,52 @@ func (s *SelectChannelsForPurchase) Handle(b *bot.Bot, u *echotron.Update) {
 }

 func (s *SelectChannelsForPurchase) Exit() {}
+
+func channelLabel(ch PurchaseChannelInput) string {
+	if ch.Username != "" {
+		return "@" + ch.Username
+	}
+	if ch.Title != "" {
+		return ch.Title
+	}
+	if ch.InviteLink != "" {
+		return "invite link"
+	}
+	if ch.ChannelID != "" {
+		return ch.ChannelID
+	}
+	return "канал"
+}
+
+func channelKey(ch PurchaseChannelInput) string {
+	if ch.ChannelID != "" {
+		return ch.ChannelID
+	}
+	if ch.Username != "" {
+		return ch.Username
+	}
+	if ch.InviteLink != "" {
+		return ch.InviteLink
+	}
+	return ""
+}
+
+func channelLabelByKey(channels []PurchaseChannelInput, key string) string {
+	for _, ch := range channels {
+		if channelKey(ch) == key {
+			return channelLabel(ch)
+		}
+	}
+	return key
+}
+
+func isInviteLink(value string) bool {
+	value = strings.TrimSpace(value)
+	if strings.Contains(value, "t.me/") || strings.Contains(value, "telegram.me/") {
+		return true
+	}
+	if strings.HasPrefix(value, "tg://") || strings.HasPrefix(value, "tg:") {
+		return true
+	}
+	return false
+}
--- a/tg_parser/internal/adapter/database/get_channels.go
+++ b/tg_parser/internal/adapter/database/get_channels.go
@@ -17,7 +17,8 @@ func (d *Database) GetChannels(ctx context.Context) []domain.Channel {
    username,
    title,
    access_hash,
-    pts
+    pts,
+    invite_link
 FROM channel
 WHERE deleted_at IS NULL;`

@@ -54,6 +55,7 @@ type getChannelsDTO struct {
 	Title      pgtype.Text
 	AccessHash pgtype.Int8
 	Pts        pgtype.Int4
+	InviteLink pgtype.Text
 }

 func (dto *getChannelsDTO) destination() []any {
@@ -64,6 +66,7 @@ func (dto *getChannelsDTO) destination() []any {
 		&dto.Title,
 		&dto.AccessHash,
 		&dto.Pts,
+		&dto.InviteLink,
 	}
 }

@@ -75,5 +78,6 @@ func (dto *getChannelsDTO) toDomain() domain.Channel {
 		Title:      dto.Title.String,
 		AccessHash: dto.AccessHash.Int64,
 		Pts:        int(dto.Pts.Int32),
+		InviteLink: dto.InviteLink.String,
 	}
 }
--- a/tg_parser/internal/adapter/database/get_channels_with_tracked_posts.go
+++ b/tg_parser/internal/adapter/database/get_channels_with_tracked_posts.go
@@ -17,7 +17,8 @@ func (d *Database) GetChannelsWithTrackedPosts(ctx context.Context) ([]domain.Ch
    c.username,
    c.title,
    c.access_hash,
-    c.pts
+    c.pts,
+    c.invite_link
 FROM channel c
 INNER JOIN placement p ON p.channel_id = c.id
 INNER JOIN placement_post pp ON pp.placement_id = p.id
@@ -55,6 +56,7 @@ type getChannelsWithTrackedPostsDTO struct {
 	Title      pgtype.Text
 	AccessHash pgtype.Int8
 	Pts        pgtype.Int4
+	InviteLink pgtype.Text
 }

 func (dto *getChannelsWithTrackedPostsDTO) destination() []any {
@@ -65,6 +67,7 @@ func (dto *getChannelsWithTrackedPostsDTO) destination() []any {
 		&dto.Title,
 		&dto.AccessHash,
 		&dto.Pts,
+		&dto.InviteLink,
 	}
 }

@@ -76,5 +79,6 @@ func (dto *getChannelsWithTrackedPostsDTO) toDomain() domain.Channel {
 		Title:      dto.Title.String,
 		AccessHash: dto.AccessHash.Int64,
 		Pts:        int(dto.Pts.Int32),
+		InviteLink: dto.InviteLink.String,
 	}
 }
--- a/tg_parser/internal/adapter/telegram/pts.go
+++ b/tg_parser/internal/adapter/telegram/pts.go
@@ -0,0 +1,33 @@
+package telegram
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/TelegramExchange/tgex-backend/tg_parser/internal/domain"
+	"github.com/gotd/td/tg"
+)
+
+func (t *Telegram) GetChannelPTS(ctx context.Context, channel domain.Channel) (int, error) {
+	req := []tg.InputDialogPeerClass{
+		&tg.InputDialogPeer{
+			Peer: &tg.InputPeerChannel{
+				ChannelID:  channel.ChannelID(),
+				AccessHash: channel.AccessHash,
+			},
+		},
+	}
+
+	dialogs, err := t.API().MessagesGetPeerDialogs(ctx, req)
+	if err != nil {
+		return 0, fmt.Errorf("peer dialogs: %w", err)
+	}
+
+	if len(dialogs.Dialogs) > 0 {
+		if d, ok := dialogs.Dialogs[0].(*tg.Dialog); ok {
+			return d.Pts, nil
+		}
+	}
+
+	return 0, nil
+}
--- a/tg_parser/internal/adapter/telegram/resolve_invite.go
+++ b/tg_parser/internal/adapter/telegram/resolve_invite.go
@@ -0,0 +1,130 @@
+package telegram
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/TelegramExchange/tgex-backend/tg_parser/internal/domain"
+	"github.com/google/uuid"
+	"github.com/gotd/td/telegram/deeplink"
+	"github.com/gotd/td/tg"
+)
+
+func (t *Telegram) ParseChannelMetaByInvite(ctx context.Context, inviteLink string) (domain.Channel, error) {
+	link, err := deeplink.Parse(inviteLink)
+	if err != nil {
+		return domain.Channel{}, fmt.Errorf("parse invite link: %w", err)
+	}
+	if link.Type != deeplink.Join {
+		return domain.Channel{}, fmt.Errorf("invite link is not a join link")
+	}
+	hash := link.Args.Get("invite")
+	if hash == "" {
+		return domain.Channel{}, fmt.Errorf("invite link missing hash")
+	}
+
+	info, err := t.API().MessagesCheckChatInvite(ctx, hash)
+	if err != nil {
+		return domain.Channel{}, fmt.Errorf("check invite: %w", err)
+	}
+
+	var channel *tg.Channel
+
+	switch v := info.(type) {
+	case *tg.ChatInviteAlready:
+		channel = extractChannelFromChat(v.Chat)
+	case *tg.ChatInvite:
+		updates, err := t.API().MessagesImportChatInvite(ctx, hash)
+		if err != nil {
+			return domain.Channel{}, fmt.Errorf("import invite: %w", err)
+		}
+		channel = extractChannelFromUpdates(updates)
+	default:
+		return domain.Channel{}, fmt.Errorf("unexpected invite response: %T", v)
+	}
+
+	if channel == nil {
+		return domain.Channel{}, fmt.Errorf("no channel in invite response")
+	}
+	if channel.AccessHash == 0 {
+		return domain.Channel{}, fmt.Errorf("channel access hash missing")
+	}
+
+	pts, err := getChannelPTS(ctx, t.API(), channel)
+	if err != nil {
+		return domain.Channel{}, fmt.Errorf("get peer dialogs: %w", err)
+	}
+
+	username := ""
+	if usernameVal, ok := channel.GetUsername(); ok {
+		username = usernameVal
+	}
+
+	return domain.Channel{
+		ID:         uuid.New(),
+		TelegramID: domain.ChatIDFromChannelID(channel.ID),
+		Username:   username,
+		Title:      channel.Title,
+		AccessHash: channel.AccessHash,
+		Pts:        pts,
+	}, nil
+}
+
+func extractChannelFromChat(chat tg.ChatClass) *tg.Channel {
+	switch v := chat.(type) {
+	case *tg.Channel:
+		return v
+	case *tg.ChannelForbidden:
+		return &tg.Channel{
+			ID:         v.ID,
+			AccessHash: v.AccessHash,
+			Title:      v.Title,
+		}
+	default:
+		return nil
+	}
+}
+
+func extractChannelFromUpdates(updates tg.UpdatesClass) *tg.Channel {
+	var chats []tg.ChatClass
+	switch v := updates.(type) {
+	case *tg.Updates:
+		chats = v.Chats
+	case *tg.UpdatesCombined:
+		chats = v.Chats
+	default:
+		return nil
+	}
+
+	for _, chat := range chats {
+		if channel := extractChannelFromChat(chat); channel != nil {
+			return channel
+		}
+	}
+
+	return nil
+}
+
+func getChannelPTS(ctx context.Context, api *tg.Client, channel *tg.Channel) (int, error) {
+	req := []tg.InputDialogPeerClass{
+		&tg.InputDialogPeer{
+			Peer: &tg.InputPeerChannel{
+				ChannelID:  channel.ID,
+				AccessHash: channel.AccessHash,
+			},
+		},
+	}
+
+	dialogs, err := api.MessagesGetPeerDialogs(ctx, req)
+	if err != nil {
+		return 0, err
+	}
+
+	if len(dialogs.Dialogs) > 0 {
+		if d, ok := dialogs.Dialogs[0].(*tg.Dialog); ok {
+			return d.Pts, nil
+		}
+	}
+
+	return 0, nil
+}
--- a/tg_parser/internal/controller/httpserver/server.go
+++ b/tg_parser/internal/controller/httpserver/server.go
@@ -62,6 +62,58 @@ func New(uc *usecase.UseCase, addr string) *Server {
 			log.Error().Err(err).Msg("encode channel response")
 		}
 	})
+	mux.HandleFunc("/resolve-channel-by-invite", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		var payload struct {
+			InviteLink string `json:"invite_link"`
+		}
+		if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
+			http.Error(w, "invalid payload", http.StatusBadRequest)
+			return
+		}
+
+		inviteLink := strings.TrimSpace(payload.InviteLink)
+		if inviteLink == "" {
+			http.Error(w, "missing invite_link", http.StatusBadRequest)
+			return
+		}
+
+		channel, err := uc.FetchChannelMetaByInvite(r.Context(), inviteLink)
+		if err != nil {
+			if isNotFoundError(err) {
+				http.Error(w, "channel not found", http.StatusNotFound)
+				return
+			}
+			log.Error().Err(err).Msg("resolve channel by invite failed")
+			http.Error(w, "internal error", http.StatusInternalServerError)
+			return
+		}
+
+		resp := struct {
+			ID         string `json:"id"`
+			TelegramID int64  `json:"telegram_id"`
+			Username   string `json:"username"`
+			Title      string `json:"title"`
+			AccessHash int64  `json:"access_hash"`
+			Pts        int    `json:"pts"`
+		}{
+			ID:         channel.ID.String(),
+			TelegramID: channel.TelegramID,
+			Username:   channel.Username,
+			Title:      channel.Title,
+			AccessHash: channel.AccessHash,
+			Pts:        channel.Pts,
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		if err := json.NewEncoder(w).Encode(resp); err != nil {
+			log.Error().Err(err).Msg("encode channel response")
+		}
+	})

 	return &Server{
 		httpServer: &http.Server{
@@ -80,11 +132,21 @@ func (s *Server) Shutdown(ctx context.Context) error {
 }

 func isNotFoundError(err error) bool {
-	if tgerr.Is(err, "USERNAME_NOT_OCCUPIED", "USERNAME_INVALID", "CHANNEL_INVALID", "CHANNEL_PRIVATE") {
+	if tgerr.Is(
+		err,
+		"USERNAME_NOT_OCCUPIED",
+		"USERNAME_INVALID",
+		"CHANNEL_INVALID",
+		"CHANNEL_PRIVATE",
+		"INVITE_HASH_INVALID",
+		"INVITE_HASH_EXPIRED",
+		"INVITE_HASH_EMPTY",
+	) {
 		return true
 	}

 	msg := err.Error()
 	return strings.Contains(msg, "no chats in resolve result") ||
-		strings.Contains(msg, "not a channel")
+		strings.Contains(msg, "not a channel") ||
+		strings.Contains(msg, "invite link")
 }
--- a/tg_parser/internal/domain/channel.go
+++ b/tg_parser/internal/domain/channel.go
@@ -13,6 +13,7 @@ type Channel struct {
 	Title      string
 	AccessHash int64
 	Pts        int
+	InviteLink string
 }

 const channelIDOffset int64 = 1000000000000
@@ -47,13 +48,14 @@ func NormalizeChatID(id int64) int64 {

 func (c Channel) String() string {
 	return fmt.Sprintf(
-		"Channel{id=%s telegram_id=%d username=%q title=%q access_hash=%d pts=%d}",
+		"Channel{id=%s telegram_id=%d username=%q title=%q access_hash=%d pts=%d invite_link=%t}",
 		c.ID,
 		c.TelegramID,
 		c.Username,
 		c.Title,
 		c.AccessHash,
 		c.Pts,
+		c.InviteLink != "",
 	)
 }

--- a/tg_parser/internal/domain/post.go
+++ b/tg_parser/internal/domain/post.go
@@ -16,12 +16,16 @@ type Post struct {
 }

 func NewPost(channel Channel, messageID int, text string, views int) Post {
+	link := ""
+	if channel.Username != "" {
+		link = fmt.Sprintf("https://t.me/%s/%d", channel.Username, messageID)
+	}
 	return Post{
 		ID:        uuid.New(),
 		ChannelID: channel.ID,
 		MessageID: messageID,
 		Text:      text,
-		Link:      fmt.Sprintf("https://t.me/%s/%d", channel.Username, messageID),
+		Link:      link,
 		Views:     views,
 	}
 }
--- a/tg_parser/internal/usecase/fetch_channel_meta_by_invite.go
+++ b/tg_parser/internal/usecase/fetch_channel_meta_by_invite.go
@@ -0,0 +1,11 @@
+package usecase
+
+import (
+	"context"
+
+	"github.com/TelegramExchange/tgex-backend/tg_parser/internal/domain"
+)
+
+func (uc *UseCase) FetchChannelMetaByInvite(ctx context.Context, inviteLink string) (domain.Channel, error) {
+	return uc.telegram.ParseChannelMetaByInvite(ctx, inviteLink)
+}
--- a/tg_parser/internal/usecase/fetch_channels.go
+++ b/tg_parser/internal/usecase/fetch_channels.go
@@ -5,6 +5,7 @@ import (
 	"fmt"

 	"github.com/TelegramExchange/pkg/transaction"
+	"github.com/gotd/td/tgerr"
 	"github.com/rs/zerolog/log"

 	"github.com/TelegramExchange/tgex-backend/tg_parser/internal/domain"
@@ -23,6 +24,11 @@ func (uc *UseCase) FetchChannels(ctx context.Context) error {
 			c = updatedChannel
 		}

+		if c.Pts == 0 {
+			log.Warn().Int64("telegram_id", c.TelegramID).Msg("Channel pts still empty, skipping diff")
+			continue
+		}
+
 		err := uc.processChannel(ctx, c)
 		if err != nil {
 			return fmt.Errorf("uc.processChannel: %w", err)
@@ -35,6 +41,25 @@ func (uc *UseCase) FetchChannels(ctx context.Context) error {
 func (uc *UseCase) processChannel(ctx context.Context, channel domain.Channel) error {
 	diff, err := uc.telegram.GetChannelDiff(ctx, channel, 20)
 	if err != nil {
+		if isPrivateChannelError(err) {
+			log.Warn().Err(err).Int64("telegram_id", channel.TelegramID).Msg("Private channel, attempting rejoin")
+			if channel.InviteLink == "" {
+				log.Warn().Int64("telegram_id", channel.TelegramID).Msg("No invite link stored, skipping channel")
+				return nil
+			}
+			updatedChannel, joinErr := uc.telegram.ParseChannelMetaByInvite(ctx, channel.InviteLink)
+			if joinErr != nil {
+				log.Warn().Err(joinErr).Int64("telegram_id", channel.TelegramID).Msg("Invite rejoin failed")
+				return nil
+			}
+			updatedChannel.ID = channel.ID
+			updatedChannel.InviteLink = channel.InviteLink
+			updatedChannel.Pts = 0
+			if err := uc.database.UpdateChannel(ctx, updatedChannel); err != nil {
+				return fmt.Errorf("database.UpdateChannel: %w", err)
+			}
+			return nil
+		}
 		return fmt.Errorf("telegram.GetChannelDiff: %w", err)
 	}

@@ -74,10 +99,26 @@ func (uc *UseCase) processChannel(ctx context.Context, channel domain.Channel) e
 	return nil
 }

+func isPrivateChannelError(err error) bool {
+	return tgerr.Is(err, "CHANNEL_PRIVATE", "CHANNEL_INVALID", "CHANNEL_FORBIDDEN")
+}
+
 func (uc *UseCase) initializeChannel(ctx context.Context, channel domain.Channel) (domain.Channel, error) {
-	c, err := uc.telegram.ParseChannelMeta(ctx, channel.Username)
-	if err != nil {
-		return domain.Channel{}, fmt.Errorf("telegram.ParseChannelMeta: %w", err)
+	c := channel
+	if channel.Username != "" {
+		updated, err := uc.telegram.ParseChannelMeta(ctx, channel.Username)
+		if err != nil {
+			return domain.Channel{}, fmt.Errorf("telegram.ParseChannelMeta: %w", err)
+		}
+		c = updated
+	} else if channel.AccessHash == 0 {
+		return domain.Channel{}, fmt.Errorf("channel %s missing access hash", channel.ID)
+	} else {
+		pts, err := uc.telegram.GetChannelPTS(ctx, channel)
+		if err != nil {
+			return domain.Channel{}, fmt.Errorf("telegram.GetChannelPTS: %w", err)
+		}
+		c.Pts = pts
 	}

 	// Preserve persistent channel ID from the database so foreign keys remain valid.
--- a/tg_parser/internal/usecase/usecase.go
+++ b/tg_parser/internal/usecase/usecase.go
@@ -8,6 +8,8 @@ import (

 type Telegram interface {
 	ParseChannelMeta(ctx context.Context, username string) (domain.Channel, error)
+	ParseChannelMetaByInvite(ctx context.Context, inviteLink string) (domain.Channel, error)
+	GetChannelPTS(ctx context.Context, channel domain.Channel) (int, error)
 	GetChannelHistory(ctx context.Context, channel domain.Channel, limit int) ([]domain.Post, error)
 	GetChannelDiff(ctx context.Context, channel domain.Channel, limit int) (domain.ChannelDiff, error)
 	UpdatePostsViews(ctx context.Context, channel domain.Channel, posts []domain.Post) error