Storage: add basic storage service (#46604)

pkg/services/store/http.go

@@ -0,0 +1,71 @@
+package store
+
+import (
+	"github.com/grafana/grafana/pkg/api/response"
+	"github.com/grafana/grafana/pkg/models"
+	"github.com/grafana/grafana/pkg/web"
+)
+
+// HTTPStorageService passes raw HTTP requests to a well typed storage service
+type HTTPStorageService interface {
+	List(c *models.ReqContext) response.Response
+	Read(c *models.ReqContext) response.Response
+	Delete(c *models.ReqContext) response.Response
+	Upload(c *models.ReqContext) response.Response
+}
+
+type httpStorage struct {
+	store StorageService
+}
+
+func ProvideHTTPService(store StorageService) HTTPStorageService {
+	return &httpStorage{
+		store: store,
+	}
+}
+
+func (s *httpStorage) Upload(c *models.ReqContext) response.Response {
+	action := "Upload"
+	scope, path := getPathAndScope(c)
+
+	return response.JSON(200, map[string]string{
+		"action": action,
+		"scope":  scope,
+		"path":   path,
+	})
+}
+
+func (s *httpStorage) Read(c *models.ReqContext) response.Response {
+	action := "Read"
+	scope, path := getPathAndScope(c)
+
+	return response.JSON(200, map[string]string{
+		"action": action,
+		"scope":  scope,
+		"path":   path,
+	})
+}
+
+func (s *httpStorage) Delete(c *models.ReqContext) response.Response {
+	action := "Delete"
+	scope, path := getPathAndScope(c)
+
+	return response.JSON(200, map[string]string{
+		"action": action,
+		"scope":  scope,
+		"path":   path,
+	})
+}
+
+func (s *httpStorage) List(c *models.ReqContext) response.Response {
+	params := web.Params(c.Req)
+	path := params["*"]
+	frame, err := s.store.List(c.Req.Context(), c.SignedInUser, path)
+	if err != nil {
+		return response.Error(400, "error reading path", err)
+	}
+	if frame == nil {
+		return response.Error(404, "not found", nil)
+	}
+	return response.JSONStreaming(200, frame)
+}