edge/pkg/module/app/mount.go

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package app
import (
"net"
"net/http"
"forge.cadoles.com/arcad/edge/pkg/app"
"github.com/go-chi/chi/v5"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/api"
"gitlab.com/wpetit/goweb/logger"
)
type MountFunc func(r chi.Router)
type Handler struct {
repo Repository
}
func (h *Handler) serveApps(w http.ResponseWriter, r *http.Request) {
manifests, err := h.repo.List(r.Context())
if err != nil {
logger.Error(r.Context(), "could not retrieve app manifest", logger.CapturedE(errors.WithStack(err)))
api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
api.DataResponse(w, http.StatusOK, struct {
Manifests []*app.Manifest `json:"manifests"`
}{
Manifests: manifests,
})
}
func (h *Handler) serveApp(w http.ResponseWriter, r *http.Request) {
appID := app.ID(chi.URLParam(r, "appID"))
manifest, err := h.repo.Get(r.Context(), appID)
if err != nil {
if errors.Is(err, ErrNotFound) {
api.ErrorResponse(w, http.StatusNotFound, api.ErrCodeNotFound, nil)
return
}
logger.Error(r.Context(), "could not retrieve app manifest", logger.CapturedE(errors.WithStack(err)))
api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
api.DataResponse(w, http.StatusOK, struct {
Manifest *app.Manifest `json:"manifest"`
}{
Manifest: manifest,
})
}
type serveAppURLRequest struct {
From string `json:"from,omitempty"`
}
func (h *Handler) serveAppURL(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
req := &serveAppURLRequest{}
if ok := api.Bind(w, r, req); !ok {
return
}
appID := app.ID(chi.URLParam(r, "appID"))
from := req.From
if from == "" {
from = retrieveRemoteAddr(r)
}
url, err := h.repo.GetURL(ctx, appID, from)
if err != nil {
if errors.Is(err, ErrNotFound) {
api.ErrorResponse(w, http.StatusNotFound, api.ErrCodeNotFound, nil)
return
}
logger.Error(r.Context(), "could not retrieve app url", logger.CapturedE(errors.WithStack(err)))
api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
api.DataResponse(w, http.StatusOK, struct {
URL string `json:"url"`
}{
URL: url,
})
}
func Mount(repository Repository) MountFunc {
handler := &Handler{repository}
return func(r chi.Router) {
r.Get("/api/v1/apps", handler.serveApps)
r.Get("/api/v1/apps/{appID}", handler.serveApp)
r.Post("/api/v1/apps/{appID}/url", handler.serveAppURL)
}
}
func retrieveRemoteAddr(r *http.Request) string {
host, _, err := net.SplitHostPort(r.RemoteAddr)
if err != nil {
host = r.RemoteAddr
}
return host
}