Files
bookish/bookish-server/cmd/http/inventory_handlers.go
T

62 lines
1.7 KiB
Go

package http
import (
"errors"
"fmt"
"net/http"
bookish "github.com/davidlick/bookish/bookish-server"
"github.com/davidlick/bookish/bookish-server/internal"
"github.com/davidlick/bookish/bookish-server/inventory"
)
// checkoutBook is used to checkout a book for a renter.
func (s *Server) checkoutBook(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
renter, ok := ctx.Value(internal.CtxRenter).(bookish.Renter)
if !ok {
http.Error(w, http.StatusText(http.StatusUnprocessableEntity), http.StatusUnprocessableEntity)
return
}
bookTitle, ok := ctx.Value(internal.CtxBookTitle).(string)
if !ok {
http.Error(w, http.StatusText(http.StatusUnprocessableEntity), http.StatusUnprocessableEntity)
return
}
err := s.Inventory.CheckoutBook(renter.ID, bookTitle)
if err != nil {
if errors.Is(inventory.ErrUnavailableBook, err) {
http.Error(w, err.Error(), http.StatusForbidden)
return
}
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
}
// returnBook returns a book for a renter.
func (s *Server) returnBook(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
renter, ok := ctx.Value(internal.CtxRenter).(bookish.Renter)
if !ok {
http.Error(w, http.StatusText(http.StatusUnprocessableEntity), http.StatusUnprocessableEntity)
return
}
bookTitle, ok := ctx.Value(internal.CtxBookTitle).(string)
if !ok {
http.Error(w, http.StatusText(http.StatusUnprocessableEntity), http.StatusUnprocessableEntity)
return
}
err := s.Inventory.ReturnBook(renter.ID, bookTitle)
if err != nil {
fmt.Println(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
}