feat: expose result subscription HTTP and WebSocket APIs

platform/events/queries.go

@@ -0,0 +1,88 @@
+package events
+
+import (
+	"context"
+	"time"
+
+	"git.yuntuo.hk/k2safe/orbit/internal/fault"
+	core "git.yuntuo.hk/k2safe/orbit/model"
+	"git.yuntuo.hk/k2safe/orbit/platform/auth"
+	platform "git.yuntuo.hk/k2safe/orbit/platform/model"
+)
+
+type PageInput struct {
+	Limit  int
+	Cursor string
+	State  platform.DeliveryState
+}
+type SubscriptionPage struct {
+	Items      []Subscription `json:"items"`
+	NextCursor string         `json:"next_cursor,omitempty"`
+}
+type DeliveryPage struct {
+	Items      []Delivery `json:"items"`
+	NextCursor string     `json:"next_cursor,omitempty"`
+}
+type DeliveryDetail struct {
+	Delivery Delivery `json:"delivery"`
+	Event    Event    `json:"event"`
+}
+
+// ConsumerBinding 由认证关系派生，不接受客户端指定应用、队列或凭据归属。
+type ConsumerBinding struct {
+	ApplicationID  core.ID
+	SubscriptionID core.ID
+	QueueID        core.ID
+	Enabled        bool
+	ServerTime     time.Time
+}
+
+func normalizePage(in PageInput) (PageInput, error) {
+	if in.Limit == 0 {
+		in.Limit = 20
+	}
+	if in.Limit < 1 || in.Limit > 100 || len(in.Cursor) > 2048 {
+		return in, fault.Invalid("invalid event page")
+	}
+	switch in.State {
+	case "", platform.DeliveryPending, platform.DeliveryLeased, platform.DeliveryAcked, platform.DeliveryExpired:
+	default:
+		return in, fault.Invalid("invalid delivery state")
+	}
+	return in, nil
+}
+func (s *Service) List(ctx context.Context, t auth.Token, queue core.ID, in PageInput) (SubscriptionPage, error) {
+	in, err := normalizePage(in)
+	if err != nil {
+		return SubscriptionPage{}, err
+	}
+	if queue.Validate() != nil || in.State != "" {
+		return SubscriptionPage{}, fault.Invalid("invalid subscription query")
+	}
+	return s.store.ListSubscriptions(ctx, t, queue, in)
+}
+func (s *Service) Deliveries(ctx context.Context, t auth.Token, id core.ID, in PageInput) (DeliveryPage, error) {
+	in, err := normalizePage(in)
+	if err != nil {
+		return DeliveryPage{}, err
+	}
+	if id.Validate() != nil {
+		return DeliveryPage{}, fault.Invalid("invalid subscription_id")
+	}
+	return s.store.ListDeliveries(ctx, t, id, in)
+}
+func (s *Service) Detail(ctx context.Context, t auth.Token, sub, id core.ID) (DeliveryDetail, error) {
+	if sub.Validate() != nil || id.Validate() != nil {
+		return DeliveryDetail{}, fault.Invalid("invalid subscription_id or delivery_id")
+	}
+	return s.store.GetDeliveryDetail(ctx, t, sub, id)
+}
+func (s *Service) Authorize(ctx context.Context, t auth.Token) error {
+	return s.store.AuthorizeEvents(ctx, t)
+}
+func (s *Service) Bind(ctx context.Context, t auth.Token, id core.ID) (ConsumerBinding, error) {
+	if id.Validate() != nil {
+		return ConsumerBinding{}, fault.Invalid("invalid subscription_id")
+	}
+	return s.store.BindConsumer(ctx, t, id)
+}