502 lines
17 KiB
Go
502 lines
17 KiB
Go
package rpc
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import (
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"context"
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"errors"
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"github.com/gotd/td/tg"
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"strings"
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"telesrv/internal/domain"
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"unicode/utf8"
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)
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func (r *Router) onChannelsCheckUsername(ctx context.Context, req *tg.ChannelsCheckUsernameRequest) (bool, error) {
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if r.deps.Channels == nil {
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return false, notImplementedErr()
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return false, internalErr()
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}
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channelID, err := r.channelIDFromInput(ctx, userID, req.Channel)
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if err != nil {
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return false, err
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}
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okUsername, err := r.deps.Channels.CheckUsername(ctx, userID, channelID, req.Username)
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if err != nil {
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return false, channelUsernameErr(err)
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}
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return okUsername, nil
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}
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func (r *Router) onChannelsUpdateUsername(ctx context.Context, req *tg.ChannelsUpdateUsernameRequest) (bool, error) {
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if r.deps.Channels == nil {
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return false, notImplementedErr()
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return false, internalErr()
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}
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channelID, err := r.channelIDFromInput(ctx, userID, req.Channel)
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if err != nil {
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return false, err
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}
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channel, err := r.deps.Channels.UpdateUsername(ctx, userID, domain.UpdateChannelUsernameRequest{
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UserID: userID,
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ChannelID: channelID,
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Username: req.Username,
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})
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if err != nil {
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return false, channelUsernameErr(err)
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}
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r.invalidateRPCProjectionForChannel(channel.ID)
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r.pushChannelStateToMembers(ctx, userID, channel)
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return true, nil
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}
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func (r *Router) onChannelsToggleSignatures(ctx context.Context, req *tg.ChannelsToggleSignaturesRequest) (tg.UpdatesClass, error) {
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return r.applyChannelAdminStateMutation(ctx, req.Channel, func(ctx context.Context, userID, channelID int64) (domain.Channel, error) {
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return r.deps.Channels.SetSignatures(ctx, userID, channelID, req.SignaturesEnabled)
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})
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}
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func (r *Router) onChannelsTogglePreHistoryHidden(ctx context.Context, req *tg.ChannelsTogglePreHistoryHiddenRequest) (tg.UpdatesClass, error) {
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return r.applyChannelAdminStateMutation(ctx, req.Channel, func(ctx context.Context, userID, channelID int64) (domain.Channel, error) {
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return r.deps.Channels.SetPreHistoryHidden(ctx, userID, channelID, req.Enabled)
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})
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}
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func (r *Router) onChannelsToggleSlowMode(ctx context.Context, req *tg.ChannelsToggleSlowModeRequest) (tg.UpdatesClass, error) {
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if !domain.ValidChannelSlowModeSeconds(req.Seconds) {
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return nil, secondsInvalidErr()
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}
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return r.applyChannelAdminStateMutation(ctx, req.Channel, func(ctx context.Context, userID, channelID int64) (domain.Channel, error) {
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return r.deps.Channels.SetSlowMode(ctx, userID, channelID, req.Seconds)
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})
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}
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func (r *Router) onChannelsSetStickers(ctx context.Context, req *tg.ChannelsSetStickersRequest) (bool, error) {
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_, view, err := r.channelChangeInfoView(ctx, req.Channel)
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if err != nil {
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return false, err
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}
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if !view.Channel.Megagroup || view.Channel.Broadcast {
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return false, channelInvalidErr(domain.ErrChannelInvalid)
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}
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if err := validateEmptyChannelStickerSet(req.Stickerset); err != nil {
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return false, err
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}
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return true, nil
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}
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func (r *Router) onChannelsSetEmojiStickers(ctx context.Context, req *tg.ChannelsSetEmojiStickersRequest) (bool, error) {
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_, view, err := r.channelChangeInfoView(ctx, req.Channel)
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if err != nil {
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return false, err
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}
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if !view.Channel.Megagroup || view.Channel.Broadcast {
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return false, channelInvalidErr(domain.ErrChannelInvalid)
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}
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if err := validateEmptyChannelStickerSet(req.Stickerset); err != nil {
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return false, err
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}
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return true, nil
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}
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func (r *Router) onChannelsReorderUsernames(ctx context.Context, req *tg.ChannelsReorderUsernamesRequest) (bool, error) {
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if len(req.Order) > maxChannelUsernameOrder {
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return false, limitInvalidErr()
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}
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if _, _, err := r.channelChangeInfoView(ctx, req.Channel); err != nil {
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return false, err
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}
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return true, nil
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}
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func (r *Router) onChannelsToggleUsername(ctx context.Context, req *tg.ChannelsToggleUsernameRequest) (bool, error) {
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if req.Username != "" && !validChannelManagementUsername(req.Username) {
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return false, usernameInvalidErr()
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}
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if _, _, err := r.channelChangeInfoView(ctx, req.Channel); err != nil {
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return false, err
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}
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return true, nil
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}
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func (r *Router) onChannelsDeactivateAllUsernames(ctx context.Context, input tg.InputChannelClass) (bool, error) {
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if _, _, err := r.channelChangeInfoView(ctx, input); err != nil {
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return false, err
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}
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return true, nil
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}
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func (r *Router) onChannelsUpdateColor(ctx context.Context, req *tg.ChannelsUpdateColorRequest) (tg.UpdatesClass, error) {
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return r.applyChannelChangeInfoMutation(ctx, req.Channel, func(ctx context.Context, userID int64, view domain.ChannelView) (domain.Channel, error) {
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return r.deps.Channels.SetColor(ctx, userID, view.Channel.ID, req.ForProfile, domainPeerColorFromChannelUpdate(req))
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})
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}
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func (r *Router) onChannelsUpdateEmojiStatus(ctx context.Context, req *tg.ChannelsUpdateEmojiStatusRequest) (tg.UpdatesClass, error) {
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viewerUserID, view, err := r.channelChangeInfoView(ctx, req.Channel)
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if err != nil {
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return nil, err
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}
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status, err := domainChannelEmojiStatus(req.EmojiStatus)
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if err != nil {
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return nil, err
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}
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channel, err := r.deps.Channels.SetEmojiStatus(ctx, viewerUserID, view.Channel.ID, status)
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if err != nil {
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return nil, channelAdminErr(err)
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}
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return r.channelStateMutationUpdates(ctx, viewerUserID, channel), nil
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}
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func (r *Router) onChannelsSetDiscussionGroup(ctx context.Context, req *tg.ChannelsSetDiscussionGroupRequest) (bool, error) {
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if r.deps.Channels == nil {
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return false, notImplementedErr()
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}
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if req == nil {
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return false, channelInvalidErr(domain.ErrChannelInvalid)
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return false, internalErr()
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}
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broadcastID, err := r.optionalChannelIDFromInput(ctx, userID, req.Broadcast)
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if err != nil {
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return false, channelDiscussionErr(err)
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}
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groupID, err := r.optionalChannelIDFromInput(ctx, userID, req.Group)
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if err != nil {
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return false, channelDiscussionErr(err)
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}
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res, err := r.deps.Channels.SetDiscussionGroup(ctx, userID, broadcastID, groupID)
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if err != nil {
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return false, channelDiscussionErr(err)
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}
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for _, channel := range res.Channels {
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r.invalidateRPCProjectionForChannel(channel.ID)
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r.pushChannelStateToMembers(ctx, userID, channel)
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}
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return true, nil
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}
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func (r *Router) onChannelsEditLocation(ctx context.Context, req *tg.ChannelsEditLocationRequest) (bool, error) {
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if _, _, err := r.channelChangeInfoView(ctx, req.Channel); err != nil {
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return false, err
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}
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return true, nil
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}
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func (r *Router) onChannelsConvertToGigagroup(ctx context.Context, input tg.InputChannelClass) (tg.UpdatesClass, error) {
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userID, view, err := r.channelChangeInfoView(ctx, input)
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if err != nil {
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return nil, err
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}
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return r.channelStateUpdates(userID, view.Channel), nil
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}
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func (r *Router) onChannelsToggleAntiSpam(ctx context.Context, req *tg.ChannelsToggleAntiSpamRequest) (tg.UpdatesClass, error) {
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return r.applyChannelAdminStateMutation(ctx, req.Channel, func(ctx context.Context, userID, channelID int64) (domain.Channel, error) {
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return r.deps.Channels.SetAntiSpam(ctx, userID, channelID, req.Enabled)
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})
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}
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func (r *Router) onChannelsReportAntiSpamFalsePositive(ctx context.Context, req *tg.ChannelsReportAntiSpamFalsePositiveRequest) (bool, error) {
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if req.MsgID <= 0 || req.MsgID > domain.MaxMessageBoxID {
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return false, messageIDInvalidErr()
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}
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if _, _, err := r.channelChangeInfoView(ctx, req.Channel); err != nil {
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return false, err
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}
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return true, nil
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}
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func (r *Router) onChannelsGetChannelRecommendations(ctx context.Context, req *tg.ChannelsGetChannelRecommendationsRequest) (tg.MessagesChatsClass, error) {
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return nil, internalErr()
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}
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if r.deps.Channels == nil {
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return &tg.MessagesChats{Chats: []tg.ChatClass{}}, nil
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}
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sourceChannelID := int64(0)
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if req != nil {
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if input, ok := req.GetChannel(); ok {
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source, err := r.publicRecommendationSourceChannel(ctx, userID, input)
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if err != nil {
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return nil, err
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}
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sourceChannelID = source
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}
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}
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res, err := r.deps.Channels.ChannelRecommendations(ctx, userID, domain.ChannelRecommendationsRequest{
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UserID: userID,
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SourceChannelID: sourceChannelID,
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Limit: domain.DefaultChannelRecommendationsLimit,
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})
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if err != nil {
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return nil, channelInvalidErr(err)
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}
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chats := tgChannels(userID, res.Channels)
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if res.Count > len(chats) {
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return &tg.MessagesChatsSlice{Count: res.Count, Chats: chats}, nil
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}
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return &tg.MessagesChats{Chats: chats}, nil
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}
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func (r *Router) onChannelsSetBoostsToUnblockRestrictions(ctx context.Context, req *tg.ChannelsSetBoostsToUnblockRestrictionsRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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if req.Boosts < 0 || req.Boosts > maxChannelBoostsToUnblockRestrictions {
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return nil, limitInvalidErr()
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}
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return r.applyChannelChangeInfoMutation(ctx, req.Channel, func(ctx context.Context, userID int64, view domain.ChannelView) (domain.Channel, error) {
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return r.deps.Channels.SetBoostsToUnblockRestrictions(ctx, userID, view.Channel.ID, req.Boosts)
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})
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}
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func (r *Router) onChannelsRestrictSponsoredMessages(ctx context.Context, req *tg.ChannelsRestrictSponsoredMessagesRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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return r.applyChannelChangeInfoMutation(ctx, req.Channel, func(ctx context.Context, userID int64, view domain.ChannelView) (domain.Channel, error) {
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return r.deps.Channels.SetRestrictedSponsored(ctx, userID, view.Channel.ID, req.Restricted)
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})
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}
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func (r *Router) onChannelsUpdatePaidMessagesPrice(ctx context.Context, req *tg.ChannelsUpdatePaidMessagesPriceRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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userID, view, err := r.channelChangeInfoView(ctx, req.Channel)
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if err != nil {
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return nil, err
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}
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if err := validateChannelPaidMessagesPriceRequest(req, view.Channel); err != nil {
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return nil, err
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}
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stars := req.SendPaidMessagesStars
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if stars < 0 {
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stars = 0
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}
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res, err := r.deps.Channels.SetPaidMessagesPrice(ctx, userID, view.Channel.ID, stars, req.BroadcastMessagesAllowed)
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if err != nil {
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return nil, channelAdminErr(err)
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}
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return r.channelPaidMessagesPriceUpdates(ctx, userID, res), nil
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}
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func validateChannelPaidMessagesPriceRequest(req *tg.ChannelsUpdatePaidMessagesPriceRequest, channel domain.Channel) error {
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stars := req.SendPaidMessagesStars
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if stars == -1 && channel.Broadcast && !req.BroadcastMessagesAllowed {
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return nil
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}
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if stars < 0 || stars > maxChannelPaidMessageStars {
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return starsAmountInvalidErr()
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}
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return nil
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}
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func (r *Router) onChannelsToggleAutotranslation(ctx context.Context, req *tg.ChannelsToggleAutotranslationRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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return r.applyChannelChangeInfoMutation(ctx, req.Channel, func(ctx context.Context, userID int64, view domain.ChannelView) (domain.Channel, error) {
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return r.deps.Channels.SetAutotranslation(ctx, userID, view.Channel.ID, req.Enabled)
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})
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}
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func (r *Router) onChannelsEditTitle(ctx context.Context, req *tg.ChannelsEditTitleRequest) (tg.UpdatesClass, error) {
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if r.deps.Channels == nil {
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return nil, notImplementedErr()
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}
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if !validChannelTitle(req.Title) {
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return nil, channelInvalidErr(domain.ErrChannelTitleInvalid)
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return nil, internalErr()
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}
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channelID, err := r.channelIDFromInput(ctx, userID, req.Channel)
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if err != nil {
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return nil, err
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}
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res, err := r.deps.Channels.EditTitle(ctx, userID, domain.EditChannelTitleRequest{
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UserID: userID,
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ChannelID: channelID,
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Title: req.Title,
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Date: int(r.clock.Now().Unix()),
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})
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if err != nil {
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return nil, channelAdminErr(err)
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}
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r.invalidateRPCProjectionForChannel(res.Channel.ID)
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updates := r.channelTitleUpdates(ctx, userID, res)
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// 混合容器拆分（设计 fan-out epic）：channelTitleUpdates 同时含①无 pts UpdateChannel（频道元数据
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// 刷新，无 channel difference 恢复面）②带 pts 改名服务消息（broadcast+megagroup 均产 pts，有
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// difference 恢复面）。①必须同步发（不能进可丢弃队列，否则永久漏人数/元数据刷新），但它无 Users
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// 投影、廉价；②走异步 fan-out（含 owner 预热 + >cap nudge，丢弃由 getChannelDifference 兜底），把
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// per-viewer 服务消息投影移出改名者 RPC 路径。操作者本设备仍由上面的 RPC result 即时回显完整容器。
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r.pushChannelUpdates(ctx, userID, res.Channel.ID, res.Recipients, func(viewerUserID int64) *tg.Updates {
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return r.channelStateUpdates(viewerUserID, res.Channel)
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})
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if res.Event.Pts != 0 {
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r.enqueueChannelMessageFanout(ctx, userID, domain.SendChannelMessageResult{
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Channel: res.Channel,
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Message: res.Message,
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Event: res.Event,
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Recipients: res.Recipients,
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}, nil)
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}
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return updates, nil
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}
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func (r *Router) onChannelsEditPhoto(ctx context.Context, req *tg.ChannelsEditPhotoRequest) (tg.UpdatesClass, error) {
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if r.deps.Channels == nil {
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return nil, notImplementedErr()
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}
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if req.Photo == nil {
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return nil, photoInvalidErr()
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return nil, internalErr()
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}
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channelID, err := r.channelIDFromInput(ctx, userID, req.Channel)
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if err != nil {
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return nil, err
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}
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photo, err := r.resolveInputChatPhoto(ctx, userID, req.Photo)
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if err != nil {
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return nil, err
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}
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res, err := r.deps.Channels.SetPhoto(ctx, userID, channelID, photo, int(r.clock.Now().Unix()))
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if err != nil {
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return nil, channelAdminErr(err)
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}
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r.invalidateRPCProjectionForChannel(res.Channel.ID)
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updates := r.channelPhotoUpdates(ctx, userID, res)
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r.pushChannelUpdates(ctx, userID, res.Channel.ID, res.Recipients, func(viewerUserID int64) *tg.Updates {
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return r.channelStateUpdates(viewerUserID, res.Channel)
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})
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if res.Event.Pts != 0 {
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r.enqueueChannelMessageFanout(ctx, userID, domain.SendChannelMessageResult{
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Channel: res.Channel,
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Message: res.Message,
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Event: res.Event,
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Recipients: res.Recipients,
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}, nil)
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}
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return updates, nil
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}
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func (r *Router) channelTitleUpdates(ctx context.Context, viewerUserID int64, res domain.EditChannelTitleResult) *tg.Updates {
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updates := []tg.UpdateClass{&tg.UpdateChannel{ChannelID: res.Channel.ID}}
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if res.Event.Pts != 0 {
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if update := tgChannelUpdate(viewerUserID, res.Event); update != nil {
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updates = append(updates, update)
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}
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}
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return &tg.Updates{
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Updates: updates,
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Users: r.tgUsersForIDs(ctx, viewerUserID, []int64{res.Message.SenderUserID}),
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Chats: []tg.ChatClass{tgChannelChatMin(viewerUserID, res.Channel)},
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Date: int(r.clock.Now().Unix()),
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Seq: 0,
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}
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}
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func (r *Router) channelPhotoUpdates(ctx context.Context, viewerUserID int64, res domain.SetChannelPhotoResult) *tg.Updates {
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updates := []tg.UpdateClass{&tg.UpdateChannel{ChannelID: res.Channel.ID}}
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if res.Event.Pts != 0 {
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if update := tgChannelUpdate(viewerUserID, res.Event); update != nil {
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updates = append(updates, update)
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}
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}
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return &tg.Updates{
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Updates: updates,
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Users: r.tgUsersForIDs(ctx, viewerUserID, []int64{res.Message.SenderUserID}),
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Chats: []tg.ChatClass{tgChannelChatMin(viewerUserID, res.Channel)},
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Date: int(r.clock.Now().Unix()),
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Seq: 0,
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}
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}
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func validChannelTitle(title string) bool {
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n := utf8.RuneCountInString(title)
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return n > 0 && n <= maxChannelTitleLength
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}
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func validChannelManagementUsername(username string) bool {
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username = strings.TrimSpace(strings.TrimPrefix(username, "@"))
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if len(username) < 5 || len(username) > 32 {
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return false
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}
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for i := 0; i < len(username); i++ {
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c := username[i]
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switch {
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case i == 0 && ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')):
|
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case i > 0 && ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_'):
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
return true
|
||
}
|
||
|
||
func domainPeerColorFromChannelUpdate(req *tg.ChannelsUpdateColorRequest) domain.ChannelPeerColor {
|
||
if req == nil {
|
||
return domain.ChannelPeerColor{}
|
||
}
|
||
color, hasColor := req.GetColor()
|
||
backgroundEmojiID, hasBackground := req.GetBackgroundEmojiID()
|
||
out := domain.ChannelPeerColor{HasColor: hasColor, Color: color}
|
||
if hasBackground {
|
||
out.BackgroundEmojiID = backgroundEmojiID
|
||
}
|
||
return out
|
||
}
|
||
|
||
func domainChannelEmojiStatus(status tg.EmojiStatusClass) (domain.ChannelEmojiStatus, error) {
|
||
switch s := status.(type) {
|
||
case *tg.EmojiStatusEmpty:
|
||
return domain.ChannelEmojiStatus{}, nil
|
||
case *tg.EmojiStatus:
|
||
if s.DocumentID <= 0 {
|
||
return domain.ChannelEmojiStatus{}, tgerr400("EMOJI_STATUS_INVALID")
|
||
}
|
||
until, _ := s.GetUntil()
|
||
if until < 0 {
|
||
return domain.ChannelEmojiStatus{}, tgerr400("EMOJI_STATUS_INVALID")
|
||
}
|
||
return domain.ChannelEmojiStatus{DocumentID: s.DocumentID, Until: until}, nil
|
||
case *tg.EmojiStatusCollectible:
|
||
if s.DocumentID <= 0 {
|
||
return domain.ChannelEmojiStatus{}, tgerr400("EMOJI_STATUS_INVALID")
|
||
}
|
||
until, _ := s.GetUntil()
|
||
if until < 0 {
|
||
return domain.ChannelEmojiStatus{}, tgerr400("EMOJI_STATUS_INVALID")
|
||
}
|
||
return domain.ChannelEmojiStatus{DocumentID: s.DocumentID, Until: until}, nil
|
||
case *tg.InputEmojiStatusCollectible:
|
||
return domain.ChannelEmojiStatus{}, tgerr400("EMOJI_STATUS_INVALID")
|
||
default:
|
||
return domain.ChannelEmojiStatus{}, tgerr400("EMOJI_STATUS_INVALID")
|
||
}
|
||
}
|
||
|
||
func channelUsernameErr(err error) error {
|
||
switch {
|
||
case errors.Is(err, domain.ErrUsernameInvalid):
|
||
return usernameInvalidErr()
|
||
case errors.Is(err, domain.ErrUsernameOccupied):
|
||
return usernameOccupiedErr()
|
||
case errors.Is(err, domain.ErrChannelNotModified):
|
||
return usernameNotModifiedErr()
|
||
default:
|
||
return channelAdminErr(err)
|
||
}
|
||
}
|