wisski-cloud-distillery/internal/dis/component/server/home/public.go
2023-02-26 10:08:17 +01:00

84 lines
2 KiB
Go

package home
import (
"context"
_ "embed"
"html/template"
"net/http"
"strings"
"github.com/FAU-CDI/wisski-distillery/internal/dis/component/server/assets"
"github.com/FAU-CDI/wisski-distillery/internal/dis/component/server/templating"
"github.com/FAU-CDI/wisski-distillery/internal/status"
"github.com/tkw1536/pkglib/httpx"
"github.com/tkw1536/pkglib/pools"
)
//go:embed "public.html"
var publicHTML []byte
var publicTemplate = templating.Parse[publicContext](
"public.html", publicHTML, nil,
templating.Title("WissKI Distillery"),
templating.Assets(assets.AssetsDefault),
)
//go:embed "about.html"
var aboutHTML string
var aboutTemplate = template.Must(template.New("about.html").Parse(aboutHTML))
// aboutContext is passed to about.html
type aboutContext struct {
Instances []status.WissKI
Logo template.HTML
SelfRedirect string
}
// publicCOntext is passed to public.html
type publicContext struct {
templating.RuntimeFlags
aboutContext
About template.HTML
}
const logoHTML = template.HTML(`<img src="/logo.svg" alt="WissKI Distillery Logo" class="biglogo">`)
func (home *Home) publicHandler(ctx context.Context) http.Handler {
tpl := publicTemplate.Prepare(
home.Dependencies.Templating,
templating.Crumbs(
menuHome,
),
)
about := home.Dependencies.Templating.GetCustomizable(aboutTemplate)
return tpl.HTMLHandler(func(r *http.Request) (pc publicContext, err error) {
// only act on the root path!
if strings.TrimSuffix(r.URL.Path, "/") != "" {
return pc, httpx.ErrNotFound
}
// get a builder
builder := pools.GetBuilder()
defer pools.ReleaseBuilder(builder)
// prepare about
pc.aboutContext.Logo = logoHTML
pc.aboutContext.Instances = home.homeInstances.Get(nil)
pc.aboutContext.SelfRedirect = home.Config.Theme.SelfRedirect.String()
// render the about template
if err := about.Execute(builder, pc.aboutContext); err != nil {
return pc, nil
}
// and return about!
pc.About = template.HTML(builder.String())
return
})
}