Add support for provisioning and rebuilding via interface

internal/dis/component/server/admin/instance_rebuild.go

@@ -0,0 +1,74 @@
+package admin
+
+import (
+	"context"
+	"html/template"
+	"net/http"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/instances"
+	"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/models"
+	"github.com/FAU-CDI/wisski-distillery/internal/wisski"
+	"github.com/julienschmidt/httprouter"
+	"github.com/tkw1536/pkglib/httpx"
+
+	_ "embed"
+)
+
+//go:embed "html/instance_rebuild.html"
+var instanceRebuildHTML []byte
+var instanceRebuildTemplate = templating.Parse[instanceRebuildContext](
+	"instance_rebuild.html", instanceRebuildHTML, nil,
+
+	templating.Title("Rebuild Instance"),
+	templating.Assets(assets.AssetsAdminRebuild),
+)
+
+type instanceRebuildContext struct {
+	templating.RuntimeFlags
+
+	Slug   string
+	System models.System
+
+	systemParams
+}
+
+func (admin *Admin) instanceRebuild(ctx context.Context) http.Handler {
+	tpl := instanceRebuildTemplate.Prepare(
+		admin.Dependencies.Templating,
+		templating.Crumbs(
+			menuAdmin,
+			menuInstances,
+			menuInstance,
+			menuRebuild,
+		),
+	)
+
+	return tpl.HTMLHandlerWithFlags(func(r *http.Request) (ib instanceRebuildContext, funcs []templating.FlagFunc, err error) {
+		slug := httprouter.ParamsFromContext(r.Context()).ByName("slug")
+
+		var instance *wisski.WissKI
+		instance, err = admin.Dependencies.Instances.WissKI(r.Context(), slug)
+		if err == instances.ErrWissKINotFound {
+			return ib, nil, httpx.ErrNotFound
+		}
+		if err != nil {
+			return ib, nil, err
+		}
+
+		ib.Slug = instance.Slug
+		ib.System = instance.System
+
+		// replace the menu item
+		funcs = []templating.FlagFunc{
+			templating.ReplaceCrumb(menuInstance, component.MenuItem{Title: "Instance", Path: template.URL("/admin/instance/" + instance.Slug)}),
+			templating.ReplaceCrumb(menuRebuild, component.MenuItem{Title: "Rebuild", Path: template.URL("/admin/rebuild/" + instance.Slug)}),
+			templating.Title(instance.Slug + " - Rebuild"),
+		}
+
+		ib.systemParams = newSystemParams()
+		return
+	})
+}