lots of stuff, don't truly remember

internal/stats/service.go

@@ -1,5 +1,9 @@
 package stats
 
+import (
+	"rideaware/pkg/database"
+)
+
 type Service struct {
 	repo *Repository
 }
@@ -31,3 +35,37 @@ func (s *Service) GetMonthlyStats(userID uint, months int) ([]PeriodStats, error
 func (s *Service) GetPersonalBests(userID uint) ([]PersonalBest, error) {
 	return s.repo.GetPersonalBests(userID)
 }
+
+// getUserFTP retrieves the user's FTP from the user_profiles table.
+func (s *Service) getUserFTP(userID uint) int {
+	var ftp int
+	database.DB.Table("user_profiles").
+		Where("user_id = ?", userID).
+		Select("ftp").
+		Scan(&ftp)
+	return ftp
+}
+
+// GetTrainingLoad returns daily TSS data and the user's FTP.
+func (s *Service) GetTrainingLoad(userID uint, days int) ([]DailyTSS, int, error) {
+	if days <= 0 || days > 730 {
+		days = 180
+	}
+
+	ftp := s.getUserFTP(userID)
+
+	data, err := s.repo.GetDailyTSS(userID, ftp, days)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	return data, ftp, nil
+}
+
+// GetPowerHistory returns power data points for completed workouts.
+func (s *Service) GetPowerHistory(userID uint, days int) ([]PowerPoint, error) {
+	if days <= 0 || days > 730 {
+		days = 365
+	}
+	return s.repo.GetPowerHistory(userID, days)
+}