Sign in to T5DE's hub and report presence and community outfits

Co-Authored-By: Claude Opus 5.5 <[email protected]>

internal/products/intercept.go

@@ -50,6 +50,11 @@ func (p *Products) interceptXMLRPC(x *proxy.Exchange) error {
 	case "test.avatarInfoForLogin2":
 		x.ModifyResponse = func(resp *http.Response, body []byte) ([]byte, error) {
 			p.keys.learn(body)
+			if m := userIDPattern.FindSubmatch(body); m != nil && p.Observer != nil {
+				if id, err := strconv.ParseInt(string(m[1]), 10, 64); err == nil {
+					p.Observer.Session(id)
+				}
+			}
 			return p.addToLook(body)
 		}
 	case "test.inventoryProductBatch":
@@ -90,6 +95,7 @@ func (p *Products) addToLook(body []byte) ([]byte, error) {
 				if mem.Name == "look" {
 					if look, ok := productList(mem.Value); ok {
 						if worn := p.wornLocal(user, look); len(worn) > 0 {
+							p.reportOutfit(user, worn)
 							v[i].Value = appendIDs(mem.Value.([]xmlrpc.Value), worn)
 							changed = true
 						}
@@ -401,6 +407,7 @@ func (p *Products) interceptBaseLook(x *proxy.Exchange) error {
 				return body, err
 			}
 			worn := p.wornLocal(user, ids)
+			p.reportOutfit(user, worn)
 			if len(worn) == 0 {
 				return body, nil
 			}

internal/products/products.go

@@ -28,6 +28,7 @@ import (
 
 	"git.t5de.dev/t5de/t5de-api/cfl"
 	"git.t5de.dev/t5de/t5de-api/pack"
+	"git.t5de.dev/t5de/t5de-proxy/internal/hub"
 )
 
 // Products is the proxy's community products: an Interceptor for HTTP and an IMQFilter for chat.
@@ -42,6 +43,16 @@ type Products struct {
 	byLocal  map[int64]*served
 	byID     map[string]*served
 	problems map[string]string // pack directory -> last error logged
+
+	// Observer, if set, hears which IMVU account the client signs in as and the community products it wears (the
+	// hub client).
+	Observer Observer
+}
+
+// Observer hears about the client's IMVU account and its community outfit.
+type Observer interface {
+	Session(imvuID int64)
+	Outfit(imvuID int64, items []hub.Item)
 }
 
 // served is a pack ready to serve.
@@ -268,6 +279,7 @@ func (p *Products) wornLocal(user string, look []int64) []int64 {
 // recordWorn remembers the user's outfit: the IMVU products sent to IMVU, and the community products (local IDs)
 // taken out.
 func (p *Products) recordWorn(user string, imvu, locals []int64) {
+	p.reportOutfit(user, locals)
 	var ids []string
 	for _, local := range locals {
 		if id, ok := p.state.productID(local); ok {
@@ -280,3 +292,21 @@ func (p *Products) recordWorn(user string, imvu, locals []int64) {
 }
 
 var errNoKey = errors.New("products: can't re-sign the request (no session key yet)")
+
+// reportOutfit tells the observer the community products (local IDs) the user wears.
+func (p *Products) reportOutfit(user string, locals []int64) {
+	if p.Observer == nil {
+		return
+	}
+	id, err := strconv.ParseInt(user, 10, 64)
+	if err != nil {
+		return
+	}
+	items := []hub.Item{}
+	for _, local := range locals {
+		if s := p.lookup(local); s != nil {
+			items = append(items, hub.Item{ID: s.pack.Manifest.ID, Name: s.pack.Manifest.Name})
+		}
+	}
+	p.Observer.Outfit(id, items)
+}