Home,News: Seperate data and rendering

This commit is contained in:
Tom Wiesing 2023-01-09 14:11:42 +01:00
parent dcd5f910ae
commit a1069f115e
No known key found for this signature in database
10 changed files with 187 additions and 200 deletions

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@ -13,7 +13,7 @@ import (
"github.com/FAU-CDI/wisski-distillery/internal/dis/component/control/static"
"github.com/FAU-CDI/wisski-distillery/internal/dis/component/control/static/custom"
"github.com/FAU-CDI/wisski-distillery/pkg/httpx"
"github.com/FAU-CDI/wisski-distillery/pkg/lazy"
"github.com/rs/zerolog"
"github.com/yuin/goldmark"
gmmeta "github.com/yuin/goldmark-meta"
"github.com/yuin/goldmark/parser"
@ -84,31 +84,28 @@ func (item *Item) parse(path string, builder *strings.Builder) error {
//go:embed "NEWS/*.md"
var newsFS embed.FS
var news lazy.Lazy[[]Item]
// Items returns a list of all news items
func Items() []Item {
return news.Get(func() (items []Item) {
var builder strings.Builder
func Items() ([]Item, error) {
var builder strings.Builder
files, err := fs.Glob(newsFS, "NEWS/*.md")
if err != nil {
panic(err)
}
items = make([]Item, len(files))
for i, file := range files {
items[i].ID = file[len("NEWS/") : len(file)-len(".md")]
if err := items[i].parse(file, &builder); err != nil {
panic(err)
}
files, err := fs.Glob(newsFS, "NEWS/*.md")
if err != nil {
return nil, err
}
items := make([]Item, len(files))
for i, file := range files {
items[i].ID = file[len("NEWS/") : len(file)-len(".md")]
if err := items[i].parse(file, &builder); err != nil {
return nil, err
}
}
slices.SortFunc(items, func(a, b Item) bool {
return !a.Date.Before(b.Date)
})
return
slices.SortFunc(items, func(a, b Item) bool {
return !a.Date.Before(b.Date)
})
return items, nil
}
//go:embed "news.html"
@ -122,14 +119,22 @@ type newsContext struct {
// HandleRoute returns the handler for the requested path
func (news *News) HandleRoute(ctx context.Context, path string) (http.Handler, error) {
newsTemplate := news.Dependencies.Custom.Template(newsTemplate)
items, itemsErr := Items()
if itemsErr != nil {
zerolog.Ctx(ctx).Err(itemsErr).Msg("Unable to load news items")
}
return httpx.HTMLHandler[newsContext]{
Handler: func(r *http.Request) (nc newsContext, err error) {
if strings.TrimSuffix(r.URL.Path, "/") != strings.TrimSuffix(path, "/") {
return nc, httpx.ErrNotFound
}
news.Dependencies.Custom.Update(&nc, r)
nc.Items = Items()
nc.Items, err = items, itemsErr
return
},
Template: newsTemplate,
Template: news.Dependencies.Custom.Template(newsTemplate),
}, nil
}