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package ext
import (
"net/http"
"github.com/gorilla/mux"
)
type (
Router struct {
middlewares []Middleware
router *mux.Router
}
Middleware func(next http.HandlerFunc) http.HandlerFunc
ErrorRequestHandler func(w http.ResponseWriter, r *http.Request) error
)
func NewRouter(nestedRouter *mux.Router) *Router {
return &Router{
router: nestedRouter,
}
}
func (r *Router) AddMiddleware(middleware Middleware) {
r.middlewares = append(r.middlewares, middleware)
}
func wrapError(next ErrorRequestHandler) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if err := next(w, r); err != nil {
w.WriteHeader(http.StatusInternalServerError)
InternalServerError(w, err)
}
}
}
func (r *Router) run(next ErrorRequestHandler) http.HandlerFunc {
return func(w http.ResponseWriter, re *http.Request) {
req := wrapError(next)
for _, r := range r.middlewares {
req = r(req)
}
req(w, re)
}
}
func (r *Router) GET(path string, handler ErrorRequestHandler) {
r.router.HandleFunc(path, r.run(handler)).Methods("GET")
}
func (r *Router) POST(path string, handler ErrorRequestHandler) {
r.router.HandleFunc(path, r.run(handler)).Methods("POSt")
}
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