grafana/pkg/services/libraryelements/api.go
Sofia Papagiannaki 11d8bcbea9
Guardian: Introduce additional constructors (#59577)
* Guardian: Use dashboard UID instead of ID

* Apply suggestions from code review

Introduce several guardian constructors and each time use
the most appropriate one.
2022-12-15 16:34:17 +02:00

391 lines
13 KiB
Go

package libraryelements
import (
"errors"
"net/http"
"github.com/grafana/grafana/pkg/api/response"
"github.com/grafana/grafana/pkg/api/routing"
"github.com/grafana/grafana/pkg/middleware"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/dashboards"
"github.com/grafana/grafana/pkg/services/folder"
"github.com/grafana/grafana/pkg/web"
)
func (l *LibraryElementService) registerAPIEndpoints() {
l.RouteRegister.Group("/api/library-elements", func(entities routing.RouteRegister) {
entities.Post("/", middleware.ReqSignedIn, routing.Wrap(l.createHandler))
entities.Delete("/:uid", middleware.ReqSignedIn, routing.Wrap(l.deleteHandler))
entities.Get("/", middleware.ReqSignedIn, routing.Wrap(l.getAllHandler))
entities.Get("/:uid", middleware.ReqSignedIn, routing.Wrap(l.getHandler))
entities.Get("/:uid/connections/", middleware.ReqSignedIn, routing.Wrap(l.getConnectionsHandler))
entities.Get("/name/:name", middleware.ReqSignedIn, routing.Wrap(l.getByNameHandler))
entities.Patch("/:uid", middleware.ReqSignedIn, routing.Wrap(l.patchHandler))
})
}
// swagger:route POST /library-elements library_elements createLibraryElement
//
// Create library element.
//
// Creates a new library element.
//
// Responses:
// 200: getLibraryElementResponse
// 400: badRequestError
// 401: unauthorisedError
// 403: forbiddenError
// 404: notFoundError
// 500: internalServerError
func (l *LibraryElementService) createHandler(c *models.ReqContext) response.Response {
cmd := CreateLibraryElementCommand{}
if err := web.Bind(c.Req, &cmd); err != nil {
return response.Error(http.StatusBadRequest, "bad request data", err)
}
if cmd.FolderUID != nil {
if *cmd.FolderUID == "" {
cmd.FolderID = 0
} else {
folder, err := l.folderService.Get(c.Req.Context(), &folder.GetFolderQuery{OrgID: c.OrgID, UID: cmd.FolderUID, SignedInUser: c.SignedInUser})
if err != nil || folder == nil {
return response.ErrOrFallback(http.StatusBadRequest, "failed to get folder", err)
}
cmd.FolderID = folder.ID
}
}
element, err := l.createLibraryElement(c.Req.Context(), c.SignedInUser, cmd)
if err != nil {
return toLibraryElementError(err, "Failed to create library element")
}
if element.FolderID != 0 {
folder, err := l.folderService.Get(c.Req.Context(), &folder.GetFolderQuery{OrgID: c.OrgID, ID: &element.FolderID, SignedInUser: c.SignedInUser})
if err != nil {
return response.ErrOrFallback(http.StatusInternalServerError, "failed to get folder", err)
}
element.FolderUID = folder.UID
element.Meta.FolderUID = folder.UID
element.Meta.FolderName = folder.Title
}
return response.JSON(http.StatusOK, LibraryElementResponse{Result: element})
}
// swagger:route DELETE /library-elements/{library_element_uid} library_elements deleteLibraryElementByUID
//
// Delete library element.
//
// Deletes an existing library element as specified by the UID. This operation cannot be reverted.
// You cannot delete a library element that is connected. This operation cannot be reverted.
//
// Responses:
// 200: okResponse
// 400: badRequestError
// 401: unauthorisedError
// 403: forbiddenError
// 404: notFoundError
// 500: internalServerError
func (l *LibraryElementService) deleteHandler(c *models.ReqContext) response.Response {
id, err := l.deleteLibraryElement(c.Req.Context(), c.SignedInUser, web.Params(c.Req)[":uid"])
if err != nil {
return toLibraryElementError(err, "Failed to delete library element")
}
return response.JSON(http.StatusOK, DeleteLibraryElementResponse{
Message: "Library element deleted",
ID: id,
})
}
// swagger:route GET /library-elements/{library_element_uid} library_elements getLibraryElementByUID
//
// Get library element by UID.
//
// Returns a library element with the given UID.
//
// Responses:
// 200: getLibraryElementResponse
// 401: unauthorisedError
// 404: notFoundError
// 500: internalServerError
func (l *LibraryElementService) getHandler(c *models.ReqContext) response.Response {
element, err := l.getLibraryElementByUid(c.Req.Context(), c.SignedInUser, web.Params(c.Req)[":uid"])
if err != nil {
return toLibraryElementError(err, "Failed to get library element")
}
return response.JSON(http.StatusOK, LibraryElementResponse{Result: element})
}
// swagger:route GET /library-elements library_elements getLibraryElements
//
// Get all library elements.
//
// Returns a list of all library elements the authenticated user has permission to view.
// Use the `perPage` query parameter to control the maximum number of library elements returned; the default limit is `100`.
// You can also use the `page` query parameter to fetch library elements from any page other than the first one.
//
// Responses:
// 200: getLibraryElementsResponse
// 401: unauthorisedError
// 500: internalServerError
func (l *LibraryElementService) getAllHandler(c *models.ReqContext) response.Response {
query := searchLibraryElementsQuery{
perPage: c.QueryInt("perPage"),
page: c.QueryInt("page"),
searchString: c.Query("searchString"),
sortDirection: c.Query("sortDirection"),
kind: c.QueryInt("kind"),
typeFilter: c.Query("typeFilter"),
excludeUID: c.Query("excludeUid"),
folderFilter: c.Query("folderFilter"),
folderFilterUIDs: c.Query("folderFilterUIDs"),
}
elementsResult, err := l.getAllLibraryElements(c.Req.Context(), c.SignedInUser, query)
if err != nil {
return toLibraryElementError(err, "Failed to get library elements")
}
return response.JSON(http.StatusOK, LibraryElementSearchResponse{Result: elementsResult})
}
// swagger:route PATCH /library-elements/{library_element_uid} library_elements updateLibraryElement
//
// Update library element.
//
// Updates an existing library element identified by uid.
//
// Responses:
// 200: getLibraryElementResponse
// 400: badRequestError
// 401: unauthorisedError
// 403: forbiddenError
// 404: notFoundError
// 412: preconditionFailedError
// 500: internalServerError
func (l *LibraryElementService) patchHandler(c *models.ReqContext) response.Response {
cmd := PatchLibraryElementCommand{}
if err := web.Bind(c.Req, &cmd); err != nil {
return response.Error(http.StatusBadRequest, "bad request data", err)
}
if cmd.FolderUID != nil {
if *cmd.FolderUID == "" {
cmd.FolderID = 0
} else {
folder, err := l.folderService.Get(c.Req.Context(), &folder.GetFolderQuery{OrgID: c.OrgID, UID: cmd.FolderUID, SignedInUser: c.SignedInUser})
if err != nil || folder == nil {
return response.Error(http.StatusBadRequest, "failed to get folder", err)
}
cmd.FolderID = folder.ID
}
}
element, err := l.patchLibraryElement(c.Req.Context(), c.SignedInUser, cmd, web.Params(c.Req)[":uid"])
if err != nil {
return toLibraryElementError(err, "Failed to update library element")
}
if element.FolderID != 0 {
folder, err := l.folderService.Get(c.Req.Context(), &folder.GetFolderQuery{OrgID: c.OrgID, ID: &element.FolderID, SignedInUser: c.SignedInUser})
if err != nil {
return response.Error(http.StatusInternalServerError, "failed to get folder", err)
}
element.FolderUID = folder.UID
element.Meta.FolderUID = folder.UID
element.Meta.FolderName = folder.Title
}
return response.JSON(http.StatusOK, LibraryElementResponse{Result: element})
}
// swagger:route GET /library-elements/{library_element_uid}/connections/ library_elements getLibraryElementConnections
//
// Get library element connections.
//
// Returns a list of connections for a library element based on the UID specified.
//
// Responses:
// 200: getLibraryElementConnectionsResponse
// 401: unauthorisedError
// 404: notFoundError
// 500: internalServerError
func (l *LibraryElementService) getConnectionsHandler(c *models.ReqContext) response.Response {
connections, err := l.getConnections(c.Req.Context(), c.SignedInUser, web.Params(c.Req)[":uid"])
if err != nil {
return toLibraryElementError(err, "Failed to get connections")
}
return response.JSON(http.StatusOK, LibraryElementConnectionsResponse{Result: connections})
}
// swagger:route GET /library-elements/name/{library_element_name} library_elements getLibraryElementByName
//
// Get library element by name.
//
// Returns a library element with the given name.
//
// Responses:
// 200: getLibraryElementResponse
// 401: unauthorisedError
// 404: notFoundError
// 500: internalServerError
func (l *LibraryElementService) getByNameHandler(c *models.ReqContext) response.Response {
elements, err := l.getLibraryElementsByName(c.Req.Context(), c.SignedInUser, web.Params(c.Req)[":name"])
if err != nil {
return toLibraryElementError(err, "Failed to get library element")
}
return response.JSON(http.StatusOK, LibraryElementArrayResponse{Result: elements})
}
func toLibraryElementError(err error, message string) response.Response {
if errors.Is(err, errLibraryElementAlreadyExists) {
return response.Error(400, errLibraryElementAlreadyExists.Error(), err)
}
if errors.Is(err, ErrLibraryElementNotFound) {
return response.Error(404, ErrLibraryElementNotFound.Error(), err)
}
if errors.Is(err, errLibraryElementDashboardNotFound) {
return response.Error(404, errLibraryElementDashboardNotFound.Error(), err)
}
if errors.Is(err, errLibraryElementVersionMismatch) {
return response.Error(412, errLibraryElementVersionMismatch.Error(), err)
}
if errors.Is(err, dashboards.ErrFolderNotFound) {
return response.Error(404, dashboards.ErrFolderNotFound.Error(), err)
}
if errors.Is(err, dashboards.ErrFolderAccessDenied) {
return response.Error(403, dashboards.ErrFolderAccessDenied.Error(), err)
}
if errors.Is(err, errLibraryElementHasConnections) {
return response.Error(403, errLibraryElementHasConnections.Error(), err)
}
if errors.Is(err, errLibraryElementInvalidUID) {
return response.Error(400, errLibraryElementInvalidUID.Error(), err)
}
if errors.Is(err, errLibraryElementUIDTooLong) {
return response.Error(400, errLibraryElementUIDTooLong.Error(), err)
}
return response.ErrOrFallback(http.StatusInternalServerError, message, err)
}
// swagger:parameters getLibraryElementByUID getLibraryElementConnections
type LibraryElementByUID struct {
// in:path
// required:true
UID string `json:"library_element_uid"`
}
// swagger:parameters getLibraryElementByUID
type GetLibraryElementByUIDParams struct {
// in:path
// required:true
UID string `json:"library_element_uid"`
}
// swagger:parameters GetLibraryElementConnectionsParams
type GetLibraryElementConnectionsParams struct {
// in:path
// required:true
UID string `json:"library_element_uid"`
}
// swagger:parameters deleteLibraryElementByUID
type DeleteLibraryElementByUIDParams struct {
// in:path
// required:true
UID string `json:"library_element_uid"`
}
// swagger:parameters getLibraryElementByName
type LibraryElementByNameParams struct {
// in:path
// required:true
Name string `json:"library_element_name"`
}
// swagger:parameters getLibraryElements
type GetLibraryElementsParams struct {
// Part of the name or description searched for.
// in:query
// required:false
SearchString string `json:"searchString"`
// Kind of element to search for.
// in:query
// required:false
// Description:
// * 1 - library panels
// * 2 - library variables
// enum: 1,2
Kind int `json:"kind"`
// Sort order of elements.
// in:query
// required:false
// Description:
// * alpha-asc: ascending
// * alpha-desc: descending
// Enum: alpha-asc,alpha-desc
SortDirection string `json:"sortDirection"`
// A comma separated list of types to filter the elements by
// in:query
// required:false
TypeFilter string `json:"typeFilter"`
// Element UID to exclude from search results.
// in:query
// required:false
ExcludeUID string `json:"excludeUid"`
// A comma separated list of folder ID(s) to filter the elements by.
// in:query
// required:false
FolderFilter string `json:"folderFilter"`
// The number of results per page.
// in:query
// required:false
// default: 100
PerPage int `json:"perPage"`
// The page for a set of records, given that only perPage records are returned at a time. Numbering starts at 1.
// in:query
// required:false
// default: 1
Page int `json:"page"`
}
// swagger:parameters createLibraryElement
type CreateLibraryElementParams struct {
// in:body
// required:true
Body CreateLibraryElementCommand `json:"body"`
}
// swagger:parameters updateLibraryElement
type UpdateLibraryElementParam struct {
// in:body
// required:true
Body PatchLibraryElementCommand `json:"body"`
// in:path
// required:true
UID string `json:"library_element_uid"`
}
// swagger:response getLibraryElementsResponse
type GetLibraryElementsResponse struct {
// in: body
Body LibraryElementSearchResponse `json:"body"`
}
// swagger:response getLibraryElementResponse
type GetLibraryElementResponse struct {
// in: body
Body LibraryElementResponse `json:"body"`
}
// swagger:response getLibraryElementConnectionsResponse
type GetLibraryElementConnectionsResponse struct {
// in: body
Body LibraryElementConnectionsResponse `json:"body"`
}