radial sugiyama positioning integration

backend_go/config.go

@@ -38,6 +38,12 @@ type Config struct {
 	SparqlReadyDelay   time.Duration
 	SparqlReadyTimeout time.Duration
 
+	HierarchyLayoutEngine    string
+	HierarchyLayoutBridgeBin string
+	HierarchyLayoutBridgeWorkdir string
+	HierarchyLayoutTimeout   time.Duration
+	HierarchyLayoutRootIRI   string
+
 	ListenAddr string
 }
 
@@ -64,6 +70,11 @@ func LoadConfig() (Config, error) {
 		SparqlLoadOnStart:  envBool("SPARQL_LOAD_ON_START", false),
 		SparqlClearOnStart: envBool("SPARQL_CLEAR_ON_START", false),
 
+		HierarchyLayoutEngine:    envString("HIERARCHY_LAYOUT_ENGINE", "go"),
+		HierarchyLayoutBridgeBin: envString("HIERARCHY_LAYOUT_BRIDGE_BIN", "/app/radial_sugiyama_go_bridge"),
+		HierarchyLayoutBridgeWorkdir: envString("HIERARCHY_LAYOUT_BRIDGE_WORKDIR", "/workspace/radial_sugiyama"),
+		HierarchyLayoutRootIRI:   envString("HIERARCHY_LAYOUT_ROOT_IRI", "http://purl.obolibrary.org/obo/BFO_0000001"),
+
 		SparqlReadyRetries: envInt("SPARQL_READY_RETRIES", 30),
 		ListenAddr:         envString("LISTEN_ADDR", ":8000"),
 	}
@@ -81,6 +92,10 @@ func LoadConfig() (Config, error) {
 	if err != nil {
 		return Config{}, err
 	}
+	cfg.HierarchyLayoutTimeout, err = envSeconds("HIERARCHY_LAYOUT_TIMEOUT_S", 60)
+	if err != nil {
+		return Config{}, err
+	}
 
 	if cfg.SparqlLoadOnStart && strings.TrimSpace(cfg.SparqlDataFile) == "" {
 		return Config{}, fmt.Errorf("SPARQL_LOAD_ON_START=true but SPARQL_DATA_FILE is not set")
@@ -110,6 +125,24 @@ func LoadConfig() (Config, error) {
 	if cfg.EdgeBatchSize > cfg.MaxEdgeLimit {
 		return Config{}, fmt.Errorf("EDGE_BATCH_SIZE must be <= MAX_EDGE_LIMIT")
 	}
+	switch strings.ToLower(strings.TrimSpace(cfg.HierarchyLayoutEngine)) {
+	case "go", "rust":
+		cfg.HierarchyLayoutEngine = strings.ToLower(strings.TrimSpace(cfg.HierarchyLayoutEngine))
+	default:
+		return Config{}, fmt.Errorf("HIERARCHY_LAYOUT_ENGINE must be 'go' or 'rust'")
+	}
+	if strings.TrimSpace(cfg.HierarchyLayoutBridgeBin) == "" {
+		return Config{}, fmt.Errorf("HIERARCHY_LAYOUT_BRIDGE_BIN must not be empty")
+	}
+	if strings.TrimSpace(cfg.HierarchyLayoutBridgeWorkdir) == "" {
+		return Config{}, fmt.Errorf("HIERARCHY_LAYOUT_BRIDGE_WORKDIR must not be empty")
+	}
+	if strings.TrimSpace(cfg.HierarchyLayoutRootIRI) == "" {
+		return Config{}, fmt.Errorf("HIERARCHY_LAYOUT_ROOT_IRI must not be empty")
+	}
+	if cfg.HierarchyLayoutTimeout <= 0 {
+		return Config{}, fmt.Errorf("HIERARCHY_LAYOUT_TIMEOUT_S must be > 0")
+	}
 
 	return cfg, nil
 }