Allow server to make backups

internal/component/info/instance.go

@@ -0,0 +1,51 @@
+package info
+
+import (
+	_ "embed"
+	"html/template"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/component/instances"
+	"github.com/FAU-CDI/wisski-distillery/internal/models"
+	"github.com/FAU-CDI/wisski-distillery/pkg/httpx"
+)
+
+//go:embed "html/instance.html"
+var instanceTemplateString string
+var instanceTemplate = template.Must(template.New("instance.html").Parse(instanceTemplateString))
+
+type instancePageContext struct {
+	Time time.Time
+
+	Instance models.Instance
+	Info     instances.WissKIInfo
+}
+
+func (info *Info) instancePageAPI(r *http.Request) (is instancePageContext, err error) {
+	// find the slug as the last component of path!
+	slug := strings.TrimSuffix(r.URL.Path, "/")
+	slug = slug[strings.LastIndex(slug, "/")+1:]
+
+	// find the instance itself!
+	instance, err := info.Instances.WissKI(slug)
+	if err == instances.ErrWissKINotFound {
+		return is, httpx.ErrNotFound
+	}
+	if err != nil {
+		return is, err
+	}
+	is.Instance = instance.Instance
+
+	// get some more info about the wisski
+	is.Info, err = instance.Info(false)
+	if err != nil {
+		return is, err
+	}
+
+	// current time
+	is.Time = time.Now().UTC()
+
+	return
+}