first commit

server/internal/notify/registry.go

@@ -0,0 +1,75 @@
+package notify
+
+import (
+	"context"
+	"fmt"
+	"sort"
+	"sync"
+)
+
+type Registry struct {
+	mu        sync.RWMutex
+	notifiers map[string]Notifier
+}
+
+func NewRegistry(notifiers ...Notifier) *Registry {
+	registry := &Registry{notifiers: make(map[string]Notifier)}
+	for _, notifier := range notifiers {
+		registry.Register(notifier)
+	}
+	return registry
+}
+
+func (r *Registry) Register(notifier Notifier) {
+	if notifier == nil {
+		return
+	}
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	if r.notifiers == nil {
+		r.notifiers = make(map[string]Notifier)
+	}
+	r.notifiers[notifier.Type()] = notifier
+}
+
+func (r *Registry) Types() []string {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+	items := make([]string, 0, len(r.notifiers))
+	for key := range r.notifiers {
+		items = append(items, key)
+	}
+	sort.Strings(items)
+	return items
+}
+
+func (r *Registry) SensitiveFields(notificationType string) []string {
+	notifier, ok := r.Notifier(notificationType)
+	if !ok {
+		return nil
+	}
+	return notifier.SensitiveFields()
+}
+
+func (r *Registry) Validate(notificationType string, config map[string]any) error {
+	notifier, ok := r.Notifier(notificationType)
+	if !ok {
+		return fmt.Errorf("unsupported notification type: %s", notificationType)
+	}
+	return notifier.Validate(config)
+}
+
+func (r *Registry) Send(ctx context.Context, notificationType string, config map[string]any, message Message) error {
+	notifier, ok := r.Notifier(notificationType)
+	if !ok {
+		return fmt.Errorf("unsupported notification type: %s", notificationType)
+	}
+	return notifier.Send(ctx, config, message)
+}
+
+func (r *Registry) Notifier(notificationType string) (Notifier, bool) {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+	notifier, ok := r.notifiers[notificationType]
+	return notifier, ok
+}