lots of stuff, don't truly remember

internal/event/service.go

@@ -0,0 +1,105 @@
+package event
+
+import (
+	"errors"
+	"time"
+)
+
+type Service struct {
+	repo *Repository
+}
+
+func NewService() *Service {
+	return &Service{repo: NewRepository()}
+}
+
+func (s *Service) CreateEvent(userID uint, name string, eventDate time.Time, eventType, priority, location, notes, url string, distance float64) (*Event, error) {
+	if name == "" {
+		return nil, errors.New("name is required")
+	}
+	if eventDate.IsZero() {
+		return nil, errors.New("event_date is required")
+	}
+	if !isValidEventType(eventType) {
+		return nil, errors.New("invalid event_type")
+	}
+	if !isValidPriority(priority) {
+		priority = "C"
+	}
+
+	event := &Event{
+		UserID:    userID,
+		Name:      name,
+		EventDate: eventDate,
+		EventType: eventType,
+		Distance:  distance,
+		Priority:  priority,
+		Location:  location,
+		Notes:     notes,
+		URL:       url,
+	}
+
+	if err := s.repo.CreateEvent(event); err != nil {
+		return nil, err
+	}
+	return event, nil
+}
+
+func (s *Service) GetUserEvents(userID uint) ([]Event, error) {
+	return s.repo.GetUserEvents(userID)
+}
+
+func (s *Service) GetUpcomingEvents(userID uint, limit int) ([]Event, error) {
+	return s.repo.GetUpcomingEvents(userID, limit)
+}
+
+func (s *Service) UpdateEvent(id, userID uint, name string, eventDate time.Time, eventType, priority, location, notes, url string, distance float64) (*Event, error) {
+	event, err := s.repo.GetEventByID(id, userID)
+	if err != nil {
+		return nil, err
+	}
+
+	if name != "" {
+		event.Name = name
+	}
+	if !eventDate.IsZero() {
+		event.EventDate = eventDate
+	}
+	if eventType != "" {
+		if !isValidEventType(eventType) {
+			return nil, errors.New("invalid event_type")
+		}
+		event.EventType = eventType
+	}
+	if priority != "" {
+		if !isValidPriority(priority) {
+			return nil, errors.New("invalid priority")
+		}
+		event.Priority = priority
+	}
+	event.Location = location
+	event.Notes = notes
+	event.URL = url
+	event.Distance = distance
+
+	if err := s.repo.UpdateEvent(event); err != nil {
+		return nil, err
+	}
+	return event, nil
+}
+
+func (s *Service) DeleteEvent(id, userID uint) error {
+	return s.repo.DeleteEvent(id, userID)
+}
+
+func isValidEventType(t string) bool {
+	valid := map[string]bool{
+		"race": true, "gran_fondo": true, "group_ride": true,
+		"time_trial": true, "century": true,
+	}
+	return valid[t]
+}
+
+func isValidPriority(p string) bool {
+	return p == "A" || p == "B" || p == "C"
+}