mats/go-cart-actor
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cleanup and http proxy
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This commit is contained in:
matst80
2025-10-10 18:44:31 +00:00
parent 5525e91ecc
commit fb111ebf97
10 changed files with 4 additions and 3187 deletions
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168
grpc_server.go
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@@ -16,7 +16,6 @@ import (
// cartActorGRPCServer implements the CartActor and ControlPlane gRPC services.
// It delegates cart operations to a grain pool and cluster operations to a synced pool.
type cartActorGRPCServer struct {
messages.UnimplementedCartActorServer
messages.UnimplementedControlPlaneServer
pool GrainPool // For cart state mutations and queries
@@ -31,172 +30,6 @@ func NewCartActorGRPCServer(pool GrainPool, syncedPool *SyncedPool) *cartActorGR
}
}
// applyMutation routes a single cart mutation to the target grain (used by per-mutation RPC handlers).
func (s *cartActorGRPCServer) applyMutation(cartID string, mutation interface{}) *messages.CartMutationReply {
// Canonicalize or preserve legacy id (do NOT hash-rewrite legacy textual ids)
cid, _, wasBase62, cerr := CanonicalizeOrLegacy(cartID)
if cerr != nil {
return &messages.CartMutationReply{
StatusCode: 500,
Result: &messages.CartMutationReply_Error{Error: fmt.Sprintf("cart_id canonicalization failed: %v", cerr)},
ServerTimestamp: time.Now().Unix(),
}
}
_ = wasBase62 // placeholder; future: propagate canonical id in reply metadata
legacy := CartIDToLegacy(cid)
grain, err := s.pool.Apply(legacy, mutation)
if err != nil {
return &messages.CartMutationReply{
StatusCode: 500,
Result: &messages.CartMutationReply_Error{Error: err.Error()},
ServerTimestamp: time.Now().Unix(),
}
}
cartState := ToCartState(grain)
return &messages.CartMutationReply{
StatusCode: 200,
Result: &messages.CartMutationReply_State{State: cartState},
ServerTimestamp: time.Now().Unix(),
}
}
func (s *cartActorGRPCServer) AddRequest(ctx context.Context, req *messages.AddRequestRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
func (s *cartActorGRPCServer) AddItem(ctx context.Context, req *messages.AddItemRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
func (s *cartActorGRPCServer) RemoveItem(ctx context.Context, req *messages.RemoveItemRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
func (s *cartActorGRPCServer) RemoveDelivery(ctx context.Context, req *messages.RemoveDeliveryRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
func (s *cartActorGRPCServer) ChangeQuantity(ctx context.Context, req *messages.ChangeQuantityRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
func (s *cartActorGRPCServer) SetDelivery(ctx context.Context, req *messages.SetDeliveryRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
func (s *cartActorGRPCServer) SetPickupPoint(ctx context.Context, req *messages.SetPickupPointRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
/*
Checkout RPC removed. Checkout is handled at the HTTP layer (PoolServer.HandleCheckout).
*/
func (s *cartActorGRPCServer) SetCartItems(ctx context.Context, req *messages.SetCartItemsRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
func (s *cartActorGRPCServer) OrderCompleted(ctx context.Context, req *messages.OrderCompletedRequest) (*messages.CartMutationReply, error) {
if req.GetCartId() == "" {
return &messages.CartMutationReply{
StatusCode: 400,
Result: &messages.CartMutationReply_Error{Error: "cart_id is required"},
ServerTimestamp: time.Now().Unix(),
}, nil
}
return s.applyMutation(req.GetCartId(), req.GetPayload()), nil
}
// GetState retrieves the current state of a cart grain.
func (s *cartActorGRPCServer) GetState(ctx context.Context, req *messages.StateRequest) (*messages.StateReply, error) {
if req.GetCartId() == "" {
return &messages.StateReply{
StatusCode: 400,
Result: &messages.StateReply_Error{Error: "cart_id is required"},
}, nil
}
// Canonicalize / upgrade incoming cart id (preserve legacy strings)
cid, _, _, cerr := CanonicalizeOrLegacy(req.GetCartId())
if cerr != nil {
return &messages.StateReply{
StatusCode: 500,
Result: &messages.StateReply_Error{Error: fmt.Sprintf("cart_id canonicalization failed: %v", cerr)},
}, nil
}
legacy := CartIDToLegacy(cid)
grain, err := s.pool.Get(legacy)
if err != nil {
return &messages.StateReply{
StatusCode: 500,
Result: &messages.StateReply_Error{Error: err.Error()},
}, nil
}
cartState := ToCartState(grain)
return &messages.StateReply{
StatusCode: 200,
Result: &messages.StateReply_State{State: cartState},
}, nil
}
// ControlPlane: Ping
func (s *cartActorGRPCServer) Ping(ctx context.Context, _ *messages.Empty) (*messages.PingReply, error) {
// Expose cart owner cookie (first-touch owner = this host) for HTTP gateways translating gRPC metadata.
@@ -269,7 +102,6 @@ func StartGRPCServer(addr string, pool GrainPool, syncedPool *SyncedPool) (*grpc
grpcServer := grpc.NewServer()
server := NewCartActorGRPCServer(pool, syncedPool)
messages.RegisterCartActorServer(grpcServer, server)
messages.RegisterControlPlaneServer(grpcServer, server)
reflection.Register(grpcServer)