feat: better caching headers for images

internal/handlers/rest/error.go

@@ -1,4 +1,4 @@
-package restutil
+package rest
 
 import (
 	"encoding/json"

internal/handlers/rest/params.go

@@ -1,4 +1,4 @@
-package restutil
+package rest
 
 import (
 	"fmt"

internal/handlers/rest/use.go

@@ -0,0 +1,13 @@
+package rest
+
+import "net/http"
+
+type Middeware = func(next http.Handler) http.Handler
+
+func Use(handler http.Handler, middlewares ...Middeware) http.Handler {
+	for _, middleware := range middlewares {
+		handler = middleware(handler)
+	}
+
+	return handler
+}

internal/handlers/resthome/resource.go

@@ -10,14 +10,17 @@ import (
 )
 
 type Handler struct {
+	http.Handler
 	src pageService
 	r   renderer
 }
 
-func New(mux *http.ServeMux, renderer renderer, srv pageService) *Handler {
+func New(renderer renderer, srv pageService) *Handler {
+	mux := http.NewServeMux()
 	h := &Handler{
-		src: srv,
-		r:   renderer,
+		Handler: mux,
+		src:     srv,
+		r:       renderer,
 	}
 
 	mux.HandleFunc("GET /{$}", h.home)

internal/handlers/restimage/conroller.go

@@ -6,7 +6,7 @@ import (
 	"net/http"
 
 	"git.schreifuchs.ch/schreifuchs/schreifuchs.ch/internal/components/images"
-	"git.schreifuchs.ch/schreifuchs/schreifuchs.ch/internal/handlers/restutil"
+	"git.schreifuchs.ch/schreifuchs/schreifuchs.ch/internal/handlers/rest"
 )
 
 func (h *Handler) getImage(w http.ResponseWriter, r *http.Request) {
@@ -14,20 +14,20 @@ func (h *Handler) getImage(w http.ResponseWriter, r *http.Request) {
 
 	var err error
 	options := images.Options{}
-	options.Height, err = restutil.IntParam(r, "h")
+	options.Height, err = rest.IntParam(r, "h")
 	if err != nil {
-		restutil.SendErr(w, err)
+		rest.SendErr(w, err)
 		return
 	}
-	options.Width, err = restutil.IntParam(r, "w")
+	options.Width, err = rest.IntParam(r, "w")
 	if err != nil {
-		restutil.SendErr(w, err)
+		rest.SendErr(w, err)
 		return
 	}
 
-	options.Quality, err = restutil.IntParam(r, "q")
+	options.Quality, err = rest.IntParam(r, "q")
 	if err != nil {
-		restutil.SendErr(w, err)
+		rest.SendErr(w, err)
 		return
 	}
 

internal/handlers/restimage/resource.go

@@ -9,12 +9,15 @@ import (
 )
 
 type Handler struct {
+	http.Handler
 	img imageService
 }
 
-func New(mux *http.ServeMux, srv imageService) *Handler {
+func New(srv imageService) *Handler {
+	mux := http.NewServeMux()
 	h := &Handler{
-		img: srv,
+		Handler: mux,
+		img:     srv,
 	}
 
 	mux.HandleFunc("GET /images/{uid}", h.getImage)