feat: complete 2.0.7.12 platform overhaul

server/unified-management/internal/reference/reference.go

@@ -0,0 +1,76 @@
+package reference
+
+import (
+	"embed"
+	"encoding/json"
+	"errors"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+//go:embed data/*.json
+var bundled embed.FS
+
+var ErrNotFound = errors.New("reference data not found")
+
+type Service struct {
+	overrideRoot string
+}
+
+func NewService(overrideRoot string) *Service {
+	return &Service{overrideRoot: strings.TrimSpace(overrideRoot)}
+}
+
+func (s *Service) Read(kind string) (map[string]any, error) {
+	name, ok := fileName(kind)
+	if !ok {
+		return nil, ErrNotFound
+	}
+	var data []byte
+	var err error
+	if s.overrideRoot != "" {
+		data, err = os.ReadFile(filepath.Join(s.overrideRoot, "reference-data", name))
+		if err != nil && !errors.Is(err, os.ErrNotExist) {
+			return nil, err
+		}
+	}
+	if len(data) == 0 {
+		data, err = bundled.ReadFile("data/" + name)
+		if err != nil {
+			return nil, err
+		}
+	}
+	var payload map[string]any
+	if err := json.Unmarshal(data, &payload); err != nil {
+		return nil, err
+	}
+	if payload["schemaVersion"] == nil || payload["items"] == nil {
+		return nil, errors.New("reference data schema is invalid")
+	}
+	return payload, nil
+}
+
+func (s *Service) Descriptors() map[string]any {
+	return map[string]any{
+		"cpu": map[string]any{
+			"url":             "/api/client/reference-data/cpu",
+			"bundledFallback": true,
+		},
+		"gpu": map[string]any{
+			"url":             "/api/client/reference-data/gpu",
+			"bundledFallback": true,
+		},
+	}
+}
+
+func fileName(kind string) (string, bool) {
+	switch strings.ToLower(strings.TrimSpace(kind)) {
+	case "cpu", "cpu-ranking":
+		return "cpu-ranking.json", true
+	case "gpu", "gpu-ranking":
+		return "gpu-ranking.json", true
+	default:
+		return "", false
+	}
+}