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build_handler.go
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build_handler.go
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package handlers
import (
"context"
"fmt"
"net/http"
"net/url"
"code.cloudfoundry.org/korifi/api/apierrors"
"code.cloudfoundry.org/korifi/api/authorization"
"code.cloudfoundry.org/korifi/api/payloads"
"code.cloudfoundry.org/korifi/api/presenter"
"code.cloudfoundry.org/korifi/api/repositories"
"github.com/go-logr/logr"
"github.com/gorilla/mux"
ctrl "sigs.k8s.io/controller-runtime"
)
const (
BuildPath = "/v3/builds/{guid}"
BuildsPath = "/v3/builds"
)
//counterfeiter:generate -o fake -fake-name CFBuildRepository . CFBuildRepository
type CFBuildRepository interface {
GetBuild(context.Context, authorization.Info, string) (repositories.BuildRecord, error)
CreateBuild(context.Context, authorization.Info, repositories.CreateBuildMessage) (repositories.BuildRecord, error)
}
type BuildHandler struct {
serverURL url.URL
buildRepo CFBuildRepository
packageRepo CFPackageRepository
handlerWrapper *AuthAwareHandlerFuncWrapper
decoderValidator *DecoderValidator
}
func NewBuildHandler(
serverURL url.URL,
buildRepo CFBuildRepository,
packageRepo CFPackageRepository,
decoderValidator *DecoderValidator,
) *BuildHandler {
return &BuildHandler{
handlerWrapper: NewAuthAwareHandlerFuncWrapper(ctrl.Log.WithName("BuildHandler")),
serverURL: serverURL,
buildRepo: buildRepo,
packageRepo: packageRepo,
decoderValidator: decoderValidator,
}
}
func (h *BuildHandler) buildGetHandler(ctx context.Context, logger logr.Logger, authInfo authorization.Info, r *http.Request) (*HandlerResponse, error) {
vars := mux.Vars(r)
buildGUID := vars["guid"]
build, err := h.buildRepo.GetBuild(ctx, authInfo, buildGUID)
if err != nil {
return nil, apierrors.LogAndReturn(logger, apierrors.ForbiddenAsNotFound(err), fmt.Sprintf("Failed to fetch %s from Kubernetes", repositories.BuildResourceType), "guid", buildGUID)
}
return NewHandlerResponse(http.StatusOK).WithBody(presenter.ForBuild(build, h.serverURL)), nil
}
func (h *BuildHandler) buildCreateHandler(ctx context.Context, logger logr.Logger, authInfo authorization.Info, r *http.Request) (*HandlerResponse, error) {
var payload payloads.BuildCreate
if err := h.decoderValidator.DecodeAndValidateJSONPayload(r, &payload); err != nil {
return nil, apierrors.LogAndReturn(logger, err, "failed to decode payload")
}
packageRecord, err := h.packageRepo.GetPackage(r.Context(), authInfo, payload.Package.GUID)
if err != nil {
return nil, apierrors.LogAndReturn(
logger,
apierrors.AsUnprocessableEntity(err,
"Unable to use package. Ensure that the package exists and you have access to it.",
apierrors.ForbiddenError{},
apierrors.NotFoundError{},
),
"Error finding Package", "Package GUID", payload.Package.GUID,
)
}
buildCreateMessage := payload.ToMessage(packageRecord)
record, err := h.buildRepo.CreateBuild(r.Context(), authInfo, buildCreateMessage)
if err != nil {
return nil, apierrors.LogAndReturn(logger, err, "Error creating build with repository")
}
return NewHandlerResponse(http.StatusCreated).WithBody(presenter.ForBuild(record, h.serverURL)), nil
}
func (h *BuildHandler) RegisterRoutes(router *mux.Router) {
router.Path(BuildPath).Methods("GET").HandlerFunc(h.handlerWrapper.Wrap(h.buildGetHandler))
router.Path(BuildsPath).Methods("POST").HandlerFunc(h.handlerWrapper.Wrap(h.buildCreateHandler))
}