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

77 lines
2.2 KiB
Go

package http
import (
"errors"
"net/http"
bookish "github.com/davidlick/bookish/bookish-server"
"github.com/davidlick/bookish/bookish-server/internal"
"github.com/davidlick/bookish/bookish-server/mysql"
"github.com/davidlick/bookish/bookish-server/rental"
"github.com/gobuffalo/uuid"
)
// 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
}
id, err := uuid.FromString(renter.ID)
if err != nil {
http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
return
}
err = s.Rentals.CheckoutBook(id, bookTitle)
if err != nil {
if errors.Is(rental.ErrUnavailableBook, err) {
http.Error(w, http.StatusText(http.StatusForbidden), 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
}
id, err := uuid.FromString(renter.ID)
if err != nil {
http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
return
}
err = s.Rentals.ReturnBook(id, bookTitle)
if err != nil && errors.Is(mysql.ErrNotFound, err) {
http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
return
} else if err != nil {
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
}