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package service
import (
"context"
"fmt"
"codeberg.org/snonux/play/internal/clock"
"codeberg.org/snonux/play/internal/model"
"codeberg.org/snonux/play/internal/repository"
)
// progressService is the concrete implementation of ProgressService.
type progressService struct {
store repository.ProgressServiceStore
clock clock.Clock
}
// NewProgressService creates a concrete ProgressService.
func NewProgressService(store repository.ProgressServiceStore, clk clock.Clock) ProgressService {
return &progressService{
store: store,
clock: clk,
}
}
func (s *progressService) UpdateProgress(ctx context.Context, sessionID string, userID, mediaID int64, position float64) error {
now := s.clock.Now()
if err := s.store.UpsertProgress(ctx, &model.PlaybackProgress{
UserID: userID,
MediaID: mediaID,
PositionSeconds: position,
UpdatedAt: now,
}); err != nil {
return fmt.Errorf("upsert progress: %w", err)
}
acc, err := s.store.GetAccumulator(ctx, sessionID, mediaID)
if err != nil {
return fmt.Errorf("get accumulator: %w", err)
}
if acc == nil {
acc = &model.PlaybackAccumulator{
SessionID: sessionID,
MediaID: mediaID,
LastPosition: 0,
AccumulatedSeconds: 0,
Counted: false,
UpdatedAt: now,
}
}
delta := position - acc.LastPosition
if delta < 0 {
delta = 0
}
if delta > 12 {
delta = 12
}
acc.AccumulatedSeconds += delta
acc.LastPosition = position
acc.UpdatedAt = now
if acc.AccumulatedSeconds >= 60 && !acc.Counted {
if err := s.store.IncrementPlayCount(ctx, mediaID); err != nil {
return fmt.Errorf("increment play count: %w", err)
}
acc.Counted = true
}
if err := s.store.UpsertAccumulator(ctx, acc); err != nil {
return fmt.Errorf("upsert accumulator: %w", err)
}
return nil
}
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