DEV-000061 checkpoint interaction chat foundation

cmd/core-runtime/main.go

@@ -3,16 +3,22 @@ package main
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"git.cin.su/m/Assistant/adapters/postgres"
 	"git.cin.su/m/Assistant/contracts/capability"
 	"git.cin.su/m/Assistant/contracts/identity"
+	"git.cin.su/m/Assistant/contracts/interaction"
+	secretcontracts "git.cin.su/m/Assistant/contracts/secrets"
 	"git.cin.su/m/Assistant/contracts/situation"
 	"git.cin.su/m/Assistant/contracts/work"
 	capabilitydomain "git.cin.su/m/Assistant/modules/capability/domain"
 	identitydomain "git.cin.su/m/Assistant/modules/identity/domain"
+	interactiondomain "git.cin.su/m/Assistant/modules/interaction/domain"
 	situationdomain "git.cin.su/m/Assistant/modules/situation/domain"
+	platformsecrets "git.cin.su/m/Assistant/platform/secrets"
 	"git.cin.su/m/Assistant/runtime/health"
+	"github.com/jackc/pgx/v5"
 	"io"
 	"log"
 	"net/http"
@@ -63,6 +69,19 @@ func main() {
 		log.Fatal(err)
 	}
 	defer identityRepository.Close()
+	interactionPassword, err := readCredentialRefSecret("INTERACTION_POSTGRES_PASSWORD", "INTERACTION_POSTGRES_CREDENTIAL_REF")
+	if err != nil {
+		log.Fatal(err)
+	}
+	interactionUser := os.Getenv("INTERACTION_POSTGRES_USER")
+	if interactionUser == "" {
+		interactionUser = "interaction_role"
+	}
+	interactionRepository, err := postgres.OpenInteraction(context.Background(), postgres.ContinuityConfig{Host: os.Getenv("POSTGRES_HOST"), Port: os.Getenv("POSTGRES_PORT"), Database: os.Getenv("POSTGRES_DATABASE"), User: interactionUser, Password: interactionPassword})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer interactionRepository.Close()
 	mux := http.NewServeMux()
 	authenticateCreator := func(w http.ResponseWriter, r *http.Request) (identity.CreatorSession, bool) {
 		session, err := identitydomain.ValidateCreatorSession(sessionKey, bearerToken(r), time.Now())
@@ -141,6 +160,64 @@ func main() {
 		w.Header().Set("Content-Type", "application/json")
 		_ = json.NewEncoder(w).Encode(status)
 	})
+	mux.HandleFunc("POST /v1/creator/chat/messages", func(w http.ResponseWriter, r *http.Request) {
+		session, ok := authenticateCreator(w, r)
+		if !ok {
+			return
+		}
+		var request interaction.ChatMessageRequest
+		decoder := json.NewDecoder(io.LimitReader(r.Body, interactiondomain.MaxHumanUtteranceBytes+1024))
+		decoder.DisallowUnknownFields()
+		if err := decoder.Decode(&request); err != nil || decoder.Decode(&struct{}{}) != io.EOF {
+			http.Error(w, "invalid chat message", http.StatusBadRequest)
+			return
+		}
+		now := time.Now()
+		var conversation interaction.Conversation
+		if request.ConversationID == "" {
+			conversation, err = interactiondomain.NewConversation(session.ActorID, session.PrincipalID, now)
+			if err != nil {
+				http.Error(w, "conversation unavailable", http.StatusServiceUnavailable)
+				return
+			}
+		} else {
+			conversation, err = interactionRepository.Conversation(r.Context(), request.ConversationID)
+			if errors.Is(err, pgx.ErrNoRows) {
+				http.Error(w, "conversation not found", http.StatusNotFound)
+				return
+			}
+			if err != nil {
+				http.Error(w, "conversation unavailable", http.StatusServiceUnavailable)
+				return
+			}
+			if conversation.ActorID != session.ActorID || conversation.PrincipalID != session.PrincipalID {
+				http.Error(w, "conversation denied", http.StatusForbidden)
+				return
+			}
+			conversation.UpdatedAtUnixMillis = now.UnixMilli()
+		}
+		utterance, intent, relations, err := interactiondomain.NewHumanUtterance(conversation, request, now)
+		if err != nil {
+			http.Error(w, "invalid chat message", http.StatusBadRequest)
+			return
+		}
+		if err := interactionRepository.AppendUtterance(r.Context(), conversation, utterance, intent, relations); err != nil {
+			http.Error(w, "save chat message", http.StatusInternalServerError)
+			return
+		}
+		response := interaction.ChatMessageResponse{
+			ConversationID:      conversation.ID,
+			UtteranceID:         utterance.ID,
+			SpeechAct:           utterance.SpeechAct,
+			InterpretationState: utterance.InterpretationState,
+			NeedsCognition:      interactiondomain.NeedsCognition(utterance.SpeechAct),
+			FallbackText:        interactiondomain.FallbackText(utterance.SpeechAct),
+		}
+		w.Header().Set("Content-Type", "application/json")
+		w.Header().Set("Cache-Control", "no-store")
+		w.WriteHeader(http.StatusCreated)
+		_ = json.NewEncoder(w).Encode(response)
+	})
 	mux.HandleFunc("GET /v1/principal-bindings/{actor}/{principal}", func(w http.ResponseWriter, r *http.Request) {
 		binding, err := identityRepository.LoadBinding(r.Context(), identity.ActorID(r.PathValue("actor")), identity.PrincipalID(r.PathValue("principal")))
 		if err != nil {
@@ -498,3 +575,31 @@ func readRequiredSecret(name string) (string, error) {
 	}
 	return direct, nil
 }
+
+func readCredentialRefSecret(name, refName string) (string, error) {
+	if _, directSet := os.LookupEnv(name); directSet {
+		return "", fmt.Errorf("%s direct environment secret is forbidden; use %s_FILE", name, name)
+	}
+	fileName := os.Getenv(name + "_FILE")
+	if fileName == "" {
+		return "", fmt.Errorf("%s_FILE is required", name)
+	}
+	ref := os.Getenv(refName)
+	if ref == "" {
+		return "", fmt.Errorf("%s is required", refName)
+	}
+	root := os.Getenv("SECRET_BACKEND_ROOT")
+	if root == "" {
+		root = "/run/secrets"
+	}
+	resolver, err := platformsecrets.NewFileResolver(root)
+	if err != nil {
+		return "", err
+	}
+	return resolver.ResolveFile(secretcontracts.SecretFileRef{
+		CredentialRef: secretcontracts.CredentialRef(ref),
+		Purpose:       secretcontracts.SecretPurposeDatabasePassword,
+		Consumer:      secretcontracts.RuntimeConsumerCore,
+		Path:          fileName,
+	})
+}