486 lines
17 KiB
Go
486 lines
17 KiB
Go
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package store
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import (
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"context"
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"database/sql"
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"time"
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)
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// Звонки в личных и групповых беседах (AGENT.md 7.8, Фаза 7): своя таблица, а
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// не voice_states — там guild_id обязателен, а у беседы сервера нет. Комната
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// LiveKit у звонка одна на звонок, имя собирает voice.CallRoomName.
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// Статусы звонка.
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const (
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DMCallRinging = "ringing"
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DMCallActive = "active"
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DMCallEnded = "ended"
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)
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// Состояния участника звонка.
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const (
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DMCallInvited = "invited"
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DMCallJoined = "joined"
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DMCallDeclined = "declined"
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DMCallLeft = "left"
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DMCallMissed = "missed"
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)
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// Причины завершения звонка.
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const (
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DMCallReasonCompleted = "completed"
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DMCallReasonCanceled = "canceled"
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DMCallReasonDeclined = "declined"
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DMCallReasonMissed = "missed"
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DMCallReasonFailed = "failed"
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)
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// История звонков беседы: по умолчанию 50 записей на страницу, максимум 100.
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const (
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defaultDMCallHistory = 50
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maxDMCallHistory = 100
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)
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// DMCall — звонок беседы: кто позвонил, когда и чем закончилось.
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type DMCall struct {
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ID uint64
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ChannelID uint64
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InitiatorID uint64
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Status string
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Media string
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CreatedAt time.Time
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StartedAt *time.Time
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EndedAt *time.Time
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EndedBy *uint64
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EndReason string
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}
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// DMCallParticipant — участник звонка и его состояние.
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type DMCallParticipant struct {
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CallID uint64
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UserID uint64
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State string
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InvitedAt time.Time
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JoinedAt *time.Time
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LeftAt *time.Time
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SelfMute bool
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SelfDeaf bool
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Camera bool
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Screen bool
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}
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// DMCallFlags — флаги участника: микрофон, звук, камера, шаринг экрана.
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type DMCallFlags struct {
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SelfMute bool
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SelfDeaf bool
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Camera bool
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Screen bool
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}
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// DMCallWithParticipants — звонок вместе с составом: так его отдают API и
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// Gateway, поэтому отдельный тип, а не два запроса у вызывающего кода.
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type DMCallWithParticipants struct {
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DMCall
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Participants []DMCallParticipant
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}
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// DMCallDurationSeconds считает длительность разговора: от момента, когда
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// звонок стал active (кто-то ответил), до завершения или до текущего времени.
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func (s *Store) DMCallDurationSeconds(call *DMCall) int {
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if call == nil || call.StartedAt == nil {
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return 0
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}
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end := s.now()
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if call.EndedAt != nil {
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end = *call.EndedAt
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}
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if end.Before(*call.StartedAt) {
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return 0
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}
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return int(end.Sub(*call.StartedAt).Seconds())
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}
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const dmCallColumns = `id, channel_id, initiator_id, status, media, created_at,
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started_at, ended_at, ended_by, end_reason`
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const dmCallParticipantColumns = `call_id, user_id, state, invited_at, joined_at, left_at,
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self_mute, self_deaf, camera, screen`
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// CreateDMCall открывает звонок: инициатор сразу в комнате, остальные
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// приглашены. Второй одновременный звонок в беседе невозможен — его
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// отклоняет уникальный индекс dm_calls_live_channel_idx.
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func (s *Store) CreateDMCall(ctx context.Context, channelID, initiatorID uint64, media string, invitees []uint64) (*DMCallWithParticipants, error) {
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callID := s.NextID()
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now := s.Now()
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if err := s.InTx(ctx, func(tx *sql.Tx) error {
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var live int
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if err := tx.QueryRowContext(ctx,
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`SELECT COUNT(*) FROM dm_calls WHERE channel_id = ? AND status <> ?`,
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int64(channelID), DMCallEnded).Scan(&live); err != nil {
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return err
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}
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if live > 0 {
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return ErrConflict
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}
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if _, err := tx.ExecContext(ctx, `
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INSERT INTO dm_calls (id, channel_id, initiator_id, status, media, created_at)
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VALUES (?, ?, ?, ?, ?, ?)`,
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int64(callID), int64(channelID), int64(initiatorID), DMCallRinging, media, now); err != nil {
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return err
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}
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if _, err := tx.ExecContext(ctx, `
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INSERT INTO dm_call_participants (call_id, user_id, state, invited_at, joined_at)
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VALUES (?, ?, ?, ?, ?)`,
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int64(callID), int64(initiatorID), DMCallJoined, now, now); err != nil {
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return err
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}
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for _, inviteeID := range invitees {
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if inviteeID == initiatorID {
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continue
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}
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if _, err := tx.ExecContext(ctx, `
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INSERT INTO dm_call_participants (call_id, user_id, state, invited_at)
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VALUES (?, ?, ?, ?)
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ON CONFLICT (call_id, user_id) DO NOTHING`,
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int64(callID), int64(inviteeID), DMCallInvited, now); err != nil {
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return err
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}
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}
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return nil
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}); err != nil {
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return nil, mapError(err)
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}
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return s.GetDMCall(ctx, callID)
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}
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// GetDMCall возвращает звонок с составом.
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func (s *Store) GetDMCall(ctx context.Context, callID uint64) (*DMCallWithParticipants, error) {
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row := s.reader.QueryRowContext(ctx,
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`SELECT `+dmCallColumns+` FROM dm_calls WHERE id = ?`, int64(callID))
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call, err := scanDMCall(row)
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if err != nil {
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return nil, err
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}
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participants, err := s.listDMCallParticipants(ctx, callID)
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if err != nil {
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return nil, err
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}
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return &DMCallWithParticipants{DMCall: *call, Participants: participants}, nil
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}
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// GetLiveDMCall возвращает идущий звонок беседы: гудки или разговор.
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func (s *Store) GetLiveDMCall(ctx context.Context, channelID uint64) (*DMCallWithParticipants, error) {
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row := s.reader.QueryRowContext(ctx,
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`SELECT `+dmCallColumns+` FROM dm_calls WHERE channel_id = ? AND status <> ? ORDER BY id DESC LIMIT 1`,
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int64(channelID), DMCallEnded)
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call, err := scanDMCall(row)
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if err != nil {
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return nil, err
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}
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participants, err := s.listDMCallParticipants(ctx, call.ID)
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if err != nil {
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return nil, err
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}
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return &DMCallWithParticipants{DMCall: *call, Participants: participants}, nil
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}
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// IsDMCallParticipant сообщает, звали ли пользователя в этот звонок.
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func (s *Store) IsDMCallParticipant(ctx context.Context, callID, userID uint64) (bool, error) {
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var exists int
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err := s.reader.QueryRowContext(ctx,
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`SELECT 1 FROM dm_call_participants WHERE call_id = ? AND user_id = ?`,
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int64(callID), int64(userID)).Scan(&exists)
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if err == sql.ErrNoRows {
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return false, nil
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}
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if 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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// JoinDMCallParticipant переводит участника в состояние «в звонке» и
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// запускает отсчёт разговора, когда в комнате оказывается второй человек.
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func (s *Store) JoinDMCallParticipant(ctx context.Context, callID, userID uint64) (*DMCall, error) {
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now := s.Now()
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if err := s.InTx(ctx, func(tx *sql.Tx) error {
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result, err := tx.ExecContext(ctx, `
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UPDATE dm_call_participants SET state = ?, joined_at = ?, left_at = NULL
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WHERE call_id = ? AND user_id = ?`,
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DMCallJoined, now, int64(callID), int64(userID))
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if err != nil {
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return err
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}
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if affected, err := result.RowsAffected(); err == nil && affected == 0 {
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return ErrNotFound
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}
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var joined int
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if err := tx.QueryRowContext(ctx, `
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SELECT COUNT(*) FROM dm_call_participants WHERE call_id = ? AND state = ?`,
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int64(callID), DMCallJoined).Scan(&joined); err != nil {
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return err
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}
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if joined < 2 {
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return nil
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}
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_, err = tx.ExecContext(ctx, `
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UPDATE dm_calls SET status = ?, started_at = COALESCE(started_at, ?)
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WHERE id = ? AND status = ?`,
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DMCallActive, now, int64(callID), DMCallRinging)
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return err
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}); err != nil {
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return nil, mapError(err)
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}
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return s.GetDMCallRow(ctx, callID)
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}
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// LeaveDMCallParticipant помечает участника вышедшим, отклонившим или
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// пропустившим звонок.
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func (s *Store) LeaveDMCallParticipant(ctx context.Context, callID, userID uint64, state string) error {
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_, err := s.writer.ExecContext(ctx, `
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UPDATE dm_call_participants SET state = ?, left_at = ?
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WHERE call_id = ? AND user_id = ?`,
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state, s.Now(), int64(callID), int64(userID))
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return mapError(err)
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}
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// CountDMCallParticipants считает участников звонка в заданном состоянии.
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func (s *Store) CountDMCallParticipants(ctx context.Context, callID uint64, state string) (int, error) {
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var count int
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err := s.reader.QueryRowContext(ctx,
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`SELECT COUNT(*) FROM dm_call_participants WHERE call_id = ? AND state = ?`,
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int64(callID), state).Scan(&count)
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return count, err
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}
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// UpdateDMCallFlags сохраняет флаги участника (микрофон, звук, камера, экран).
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func (s *Store) UpdateDMCallFlags(ctx context.Context, callID, userID uint64, flags DMCallFlags) error {
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result, err := s.writer.ExecContext(ctx, `
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UPDATE dm_call_participants
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SET self_mute = ?, self_deaf = ?, camera = ?, screen = ?
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WHERE call_id = ? AND user_id = ?`,
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boolToInt(flags.SelfMute), boolToInt(flags.SelfDeaf),
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boolToInt(flags.Camera), boolToInt(flags.Screen),
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int64(callID), int64(userID))
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if err != nil {
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return mapError(err)
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}
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if affected, err := result.RowsAffected(); err == nil && affected == 0 {
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return ErrNotFound
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}
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return nil
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}
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// EndDMCall завершает звонок: не ответившие помечаются пропустившими, те, кто
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// был в комнате, — вышедшими. Повторный вызов не меняет уже завершённый звонок.
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func (s *Store) EndDMCall(ctx context.Context, callID uint64, endedBy *uint64, reason string) error {
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now := s.Now()
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var actor sql.NullInt64
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if endedBy != nil {
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actor = sql.NullInt64{Int64: int64(*endedBy), Valid: true}
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}
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return s.InTx(ctx, func(tx *sql.Tx) error {
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if _, err := tx.ExecContext(ctx, `
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UPDATE dm_calls SET status = ?, ended_at = ?, ended_by = ?, end_reason = ?
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WHERE id = ? AND status <> ?`,
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DMCallEnded, now, actor, reason, int64(callID), DMCallEnded); err != nil {
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return err
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}
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if _, err := tx.ExecContext(ctx, `
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UPDATE dm_call_participants SET state = ?, left_at = ?
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WHERE call_id = ? AND state = ?`,
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DMCallMissed, now, int64(callID), DMCallInvited); err != nil {
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return err
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}
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_, err := tx.ExecContext(ctx, `
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UPDATE dm_call_participants SET state = ?, left_at = ?
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WHERE call_id = ? AND state = ?`,
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DMCallLeft, now, int64(callID), DMCallJoined)
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return err
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})
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}
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// ListDMCalls отдаёт историю звонков беседы от новых к старым. beforeID —
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// курсор: отдаются звонки с меньшим идентификатором.
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func (s *Store) ListDMCalls(ctx context.Context, channelID uint64, limit int, beforeID uint64) ([]DMCallWithParticipants, error) {
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if limit <= 0 || limit > maxDMCallHistory {
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limit = defaultDMCallHistory
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}
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rows, err := s.reader.QueryContext(ctx, `
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SELECT `+dmCallColumns+` FROM dm_calls
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WHERE channel_id = ? AND (? = 0 OR id < ?)
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ORDER BY id DESC LIMIT ?`,
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int64(channelID), int64(beforeID), int64(beforeID), limit)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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calls := make([]DMCallWithParticipants, 0, limit)
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for rows.Next() {
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call, err := scanDMCall(rows)
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if err != nil {
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return nil, err
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}
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calls = append(calls, DMCallWithParticipants{DMCall: *call})
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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if len(calls) == 0 {
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return calls, nil
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}
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// Участники тянутся одним запросом на страницу: диапазон идентификаторов
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// страницы непрерывен, поэтому лишних звонков в выборку не попадает.
|
||
|
|
page := make(map[uint64][]DMCallParticipant, len(calls))
|
||
|
|
participants, err := s.listDMCallParticipantsRange(ctx, channelID, calls[len(calls)-1].ID, beforeID)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
for _, participant := range participants {
|
||
|
|
page[participant.CallID] = append(page[participant.CallID], participant)
|
||
|
|
}
|
||
|
|
for index := range calls {
|
||
|
|
calls[index].Participants = page[calls[index].ID]
|
||
|
|
if calls[index].Participants == nil {
|
||
|
|
calls[index].Participants = []DMCallParticipant{}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return calls, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// ListStaleDMCalls ищет звонки для сторожа: гудки без ответа (ringingBefore) и
|
||
|
|
// разговоры, в которых не осталось никого (emptyBefore — время последнего
|
||
|
|
// обновления звонка). Оба условия — «строго раньше» указанного момента.
|
||
|
|
func (s *Store) ListStaleDMCalls(ctx context.Context, ringingBefore, emptyBefore time.Time) ([]DMCall, error) {
|
||
|
|
rows, err := s.reader.QueryContext(ctx, `
|
||
|
|
SELECT `+dmCallColumns+` FROM dm_calls c
|
||
|
|
WHERE c.status <> ?
|
||
|
|
AND (
|
||
|
|
(c.status = ? AND c.created_at < ?)
|
||
|
|
OR (c.status = ? AND NOT EXISTS (
|
||
|
|
SELECT 1 FROM dm_call_participants p
|
||
|
|
WHERE p.call_id = c.id AND p.state = ?
|
||
|
|
) AND c.created_at < ?)
|
||
|
|
)
|
||
|
|
ORDER BY c.id`,
|
||
|
|
DMCallEnded, DMCallRinging, s.Timestamp(ringingBefore), DMCallActive, DMCallJoined,
|
||
|
|
s.Timestamp(emptyBefore))
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
defer rows.Close()
|
||
|
|
|
||
|
|
calls := make([]DMCall, 0, 4)
|
||
|
|
for rows.Next() {
|
||
|
|
call, err := scanDMCall(rows)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
calls = append(calls, *call)
|
||
|
|
}
|
||
|
|
return calls, rows.Err()
|
||
|
|
}
|
||
|
|
|
||
|
|
// CountLiveDMCalls считает звонки, которые ещё не завершены (диагностика).
|
||
|
|
func (s *Store) CountLiveDMCalls(ctx context.Context) (int, error) {
|
||
|
|
var count int
|
||
|
|
err := s.reader.QueryRowContext(ctx,
|
||
|
|
`SELECT COUNT(*) FROM dm_calls WHERE status <> ?`, DMCallEnded).Scan(&count)
|
||
|
|
return count, err
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetDMCallRow возвращает звонок без состава.
|
||
|
|
func (s *Store) GetDMCallRow(ctx context.Context, callID uint64) (*DMCall, error) {
|
||
|
|
row := s.reader.QueryRowContext(ctx,
|
||
|
|
`SELECT `+dmCallColumns+` FROM dm_calls WHERE id = ?`, int64(callID))
|
||
|
|
return scanDMCall(row)
|
||
|
|
}
|
||
|
|
|
||
|
|
// listDMCallParticipants перечисляет состав звонка.
|
||
|
|
func (s *Store) listDMCallParticipants(ctx context.Context, callID uint64) ([]DMCallParticipant, error) {
|
||
|
|
rows, err := s.reader.QueryContext(ctx,
|
||
|
|
`SELECT `+dmCallParticipantColumns+` FROM dm_call_participants WHERE call_id = ? ORDER BY invited_at, user_id`,
|
||
|
|
int64(callID))
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
defer rows.Close()
|
||
|
|
return scanDMCallParticipants(rows)
|
||
|
|
}
|
||
|
|
|
||
|
|
// listDMCallParticipantsRange перечисляет состав звонков страницы истории.
|
||
|
|
func (s *Store) listDMCallParticipantsRange(ctx context.Context, channelID, minCallID, beforeID uint64) ([]DMCallParticipant, error) {
|
||
|
|
rows, err := s.reader.QueryContext(ctx, `
|
||
|
|
SELECT p.call_id, p.user_id, p.state, p.invited_at, p.joined_at, p.left_at,
|
||
|
|
p.self_mute, p.self_deaf, p.camera, p.screen
|
||
|
|
FROM dm_call_participants p JOIN dm_calls c ON c.id = p.call_id
|
||
|
|
WHERE c.channel_id = ? AND c.id >= ? AND (? = 0 OR c.id < ?)
|
||
|
|
ORDER BY p.call_id DESC, p.invited_at, p.user_id`,
|
||
|
|
int64(channelID), int64(minCallID), int64(beforeID), int64(beforeID))
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
defer rows.Close()
|
||
|
|
return scanDMCallParticipants(rows)
|
||
|
|
}
|
||
|
|
|
||
|
|
func scanDMCall(scanner interface{ Scan(...any) error }) (*DMCall, error) {
|
||
|
|
var (
|
||
|
|
call DMCall
|
||
|
|
createdAt string
|
||
|
|
startedAt, endedAt sql.NullString
|
||
|
|
endedBy sql.NullInt64
|
||
|
|
endReason sql.NullString
|
||
|
|
)
|
||
|
|
err := scanner.Scan(&call.ID, &call.ChannelID, &call.InitiatorID, &call.Status, &call.Media,
|
||
|
|
&createdAt, &startedAt, &endedAt, &endedBy, &endReason)
|
||
|
|
if err != nil {
|
||
|
|
return nil, mapError(err)
|
||
|
|
}
|
||
|
|
call.CreatedAt = parseTimestamp(createdAt)
|
||
|
|
if startedAt.Valid {
|
||
|
|
value := parseTimestamp(startedAt.String)
|
||
|
|
call.StartedAt = &value
|
||
|
|
}
|
||
|
|
if endedAt.Valid {
|
||
|
|
value := parseTimestamp(endedAt.String)
|
||
|
|
call.EndedAt = &value
|
||
|
|
}
|
||
|
|
call.EndedBy = optionalID(endedBy)
|
||
|
|
call.EndReason = endReason.String
|
||
|
|
return &call, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func scanDMCallParticipants(rows *sql.Rows) ([]DMCallParticipant, error) {
|
||
|
|
participants := make([]DMCallParticipant, 0, 4)
|
||
|
|
for rows.Next() {
|
||
|
|
var (
|
||
|
|
participant DMCallParticipant
|
||
|
|
invitedAt string
|
||
|
|
joinedAt, leftAt sql.NullString
|
||
|
|
selfMute, selfDeaf int
|
||
|
|
camera, screen int
|
||
|
|
)
|
||
|
|
if err := rows.Scan(&participant.CallID, &participant.UserID, &participant.State, &invitedAt,
|
||
|
|
&joinedAt, &leftAt, &selfMute, &selfDeaf, &camera, &screen); err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
participant.InvitedAt = parseTimestamp(invitedAt)
|
||
|
|
if joinedAt.Valid {
|
||
|
|
value := parseTimestamp(joinedAt.String)
|
||
|
|
participant.JoinedAt = &value
|
||
|
|
}
|
||
|
|
if leftAt.Valid {
|
||
|
|
value := parseTimestamp(leftAt.String)
|
||
|
|
participant.LeftAt = &value
|
||
|
|
}
|
||
|
|
participant.SelfMute = selfMute == 1
|
||
|
|
participant.SelfDeaf = selfDeaf == 1
|
||
|
|
participant.Camera = camera == 1
|
||
|
|
participant.Screen = screen == 1
|
||
|
|
participants = append(participants, participant)
|
||
|
|
}
|
||
|
|
return participants, rows.Err()
|
||
|
|
}
|