Refactor server and templates package

internal/dis/component/control/home/home.go

@@ -1,85 +0,0 @@
-package home
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-
-	"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
-	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/control/static/custom"
-	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/instances"
-	"github.com/FAU-CDI/wisski-distillery/internal/status"
-	"github.com/FAU-CDI/wisski-distillery/pkg/lazy"
-)
-
-type Home struct {
-	component.Base
-	Dependencies struct {
-		Instances *instances.Instances
-		Custom    *custom.Custom
-	}
-
-	instanceNames lazy.Lazy[map[string]struct{}] // instance names
-	homeInstances lazy.Lazy[[]status.WissKI]     // list of home instances (updated via cron)
-}
-
-var (
-	_ component.Routeable = (*Home)(nil)
-)
-
-func (*Home) Routes() component.Routes {
-	return component.Routes{
-		Prefix:          "/",
-		MatchAllDomains: true,
-		CSRF:            false,
-
-		MenuTitle:    "WissKI Distillery",
-		MenuPriority: component.MenuHome,
-	}
-}
-
-func (home *Home) HandleRoute(ctx context.Context, route string) (http.Handler, error) {
-	// generate a default handler
-	dflt, err := home.loadRedirect(ctx)
-	if err != nil {
-		return nil, err
-	}
-	dflt.Fallback = home.publicHandler(ctx)
-
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		slug, ok := home.Config.SlugFromHost(r.Host)
-		switch {
-		case !ok:
-			http.NotFound(w, r)
-		case slug != "":
-			home.serveWissKI(w, slug, r)
-		default:
-			dflt.ServeHTTP(w, r)
-		}
-	}), nil
-}
-
-func (home *Home) instanceMap(ctx context.Context) (map[string]struct{}, error) {
-	wissKIs, err := home.Dependencies.Instances.All(ctx)
-	if err != nil {
-		return nil, err
-	}
-
-	names := make(map[string]struct{}, len(wissKIs))
-	for _, w := range wissKIs {
-		names[w.Slug] = struct{}{}
-	}
-	return names, nil
-}
-
-func (home *Home) serveWissKI(w http.ResponseWriter, slug string, r *http.Request) {
-	if _, ok := home.instanceNames.Get(nil)[slug]; !ok {
-		// Get(nil) guaranteed to work by precondition
-		w.WriteHeader(http.StatusNotFound)
-		fmt.Fprintf(w, "WissKI %q not found\n", slug)
-		return
-	}
-
-	w.WriteHeader(http.StatusBadGateway)
-	fmt.Fprintf(w, "WissKI %q is currently offline\n", slug)
-}