feat: timezone awarenwss

internal/db/repos/usersettingsrepo/repo.go

@@ -0,0 +1,44 @@
+package usersettingsrepo
+
+import (
+	"context"
+	"database/sql"
+)
+
+type Repo struct {
+	db *sql.DB
+}
+
+func NewRepo(db *sql.DB) *Repo {
+	return &Repo{db: db}
+}
+
+func (r *Repo) SetTimezone(ctx context.Context, userID int64, zone string) error {
+	const q = `
+		INSERT INTO user_settings (user_id, timezone)
+		VALUES ($1, $2)
+		ON CONFLICT (user_id)
+		DO UPDATE SET timezone = EXCLUDED.timezone
+	`
+	_, err := r.db.ExecContext(ctx, q, userID, zone)
+	return err
+}
+
+func (r *Repo) GetTimezone(ctx context.Context, userID int64) (string, bool, error) {
+	const q = `
+		SELECT timezone
+		FROM user_settings
+		WHERE user_id = $1
+	`
+	row := r.db.QueryRowContext(ctx, q, userID)
+	var zone string
+	switch err := row.Scan(&zone); err {
+	case nil:
+		return zone, true, nil
+	case sql.ErrNoRows:
+		return "", false, nil
+	default:
+		return "", false, err
+	}
+}
+

internal/db/services/services.go

@@ -5,6 +5,7 @@ import (
 	"velox-bot/internal/db/services/levelsettings"
 	"velox-bot/internal/db/services/meeting"
 	"velox-bot/internal/db/services/schedule"
+	"velox-bot/internal/db/services/usersettings"
 	"velox-bot/internal/db/services/projects"
 	"velox-bot/internal/db/services/rps"
 )
@@ -14,18 +15,20 @@ type Services struct {
 	LevelSettings *levelsettings.Service
 	Meeting       *meeting.Service
 	Schedule      *schedule.Service
+	UserSettings  *usersettings.Service
 	Projects      *projects.Service
 	RPS           *rps.Service
 }
 
 var Global *Services
 
-func NewServices(level *level.Service, levelSettings *levelsettings.Service, meeting *meeting.Service, schedule *schedule.Service, projects *projects.Service, rps *rps.Service) *Services {
+func NewServices(level *level.Service, levelSettings *levelsettings.Service, meeting *meeting.Service, schedule *schedule.Service, userSettings *usersettings.Service, projects *projects.Service, rps *rps.Service) *Services {
 	s := &Services{
 		Level:         level,
 		LevelSettings: levelSettings,
 		Meeting:       meeting,
 		Schedule:      schedule,
+		UserSettings:  userSettings,
 		Projects:      projects,
 		RPS:           rps,
 	}

internal/db/services/usersettings/service.go

@@ -0,0 +1,42 @@
+package usersettings
+
+import (
+	"context"
+	"time"
+
+	"velox-bot/internal/db/repos/usersettingsrepo"
+)
+
+type Service struct {
+	repo *usersettingsrepo.Repo
+}
+
+func New(repo *usersettingsrepo.Repo) *Service {
+	return &Service{repo: repo}
+}
+
+func (s *Service) SetTimezone(ctx context.Context, userID int64, zone string) error {
+	// validate zone before storing
+	if _, err := time.LoadLocation(zone); err != nil {
+		return err
+	}
+	return s.repo.SetTimezone(ctx, userID, zone)
+}
+
+// GetTimezone returns the user's location (or UTC) and the zone string and a flag indicating if it was user-defined.
+func (s *Service) GetTimezone(ctx context.Context, userID int64) (*time.Location, string, bool, error) {
+	zone, ok, err := s.repo.GetTimezone(ctx, userID)
+	if err != nil {
+		return time.UTC, "UTC", false, err
+	}
+	if !ok || zone == "" {
+		return time.UTC, "UTC", false, nil
+	}
+	loc, err := time.LoadLocation(zone)
+	if err != nil {
+		// fallback to UTC but indicate not user-defined
+		return time.UTC, "UTC", false, nil
+	}
+	return loc, zone, true, nil
+}
+