panel/admin: Continue moving out information

This page further splits up the admin page into several parts.

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

@@ -0,0 +1,86 @@
+package admin
+
+import (
+	"context"
+	_ "embed"
+	"html/template"
+	"net/http"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
+	"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/FAU-CDI/wisski-distillery/internal/wisski"
+	"github.com/tkw1536/pkglib/httpx"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+//go:embed "html/instance_drupal.html"
+var instanceDrupalHTML []byte
+var instanceDrupalTemplate = templating.Parse[instanceDrupalContext](
+	"instance_drupal.html", instanceDrupalHTML, nil,
+
+	templating.Assets(assets.AssetsAdmin),
+)
+
+type instanceDrupalContext struct {
+	templating.RuntimeFlags
+
+	Instance *wisski.WissKI
+
+	DrupalVersion string
+	DefaultTheme  string
+
+	Requirements []status.Requirement
+}
+
+func (admin *Admin) instanceDrupal(ctx context.Context) http.Handler {
+	tpl := instanceDrupalTemplate.Prepare(
+		admin.dependencies.Templating,
+		templating.Crumbs(
+			menuAdmin,
+			menuInstances,
+			menuInstance,
+			menuDrupal,
+		),
+	)
+
+	return tpl.HTMLHandlerWithFlags(func(r *http.Request) (ctx instanceDrupalContext, funcs []templating.FlagFunc, err error) {
+		slug := httprouter.ParamsFromContext(r.Context()).ByName("slug")
+
+		// setup the context with just the instance
+		ctx.Instance, err = admin.dependencies.Instances.WissKI(r.Context(), slug)
+		if err != nil {
+			return ctx, nil, httpx.ErrNotFound
+		}
+
+		server := ctx.Instance.PHP().NewServer()
+		defer server.Close()
+
+		// get the requirements
+		ctx.Requirements, err = ctx.Instance.Requirements().Get(r.Context(), server)
+		if err != nil {
+			return ctx, nil, httpx.ErrInternalServerError
+		}
+
+		// get the drupal version
+		ctx.DrupalVersion, err = ctx.Instance.Version().Get(r.Context(), server)
+		if err != nil {
+			return ctx, nil, httpx.ErrInternalServerError
+		}
+
+		// get the default theme
+		ctx.DefaultTheme, err = ctx.Instance.Theme().Get(r.Context(), server)
+		if err != nil {
+			return ctx, nil, httpx.ErrInternalServerError
+		}
+
+		return ctx, []templating.FlagFunc{
+			templating.ReplaceCrumb(menuInstance, component.MenuItem{Title: "Instance", Path: template.URL("/admin/instance/" + ctx.Instance.Slug)}),
+			templating.ReplaceCrumb(menuDrupal, component.MenuItem{Title: "Drupal Status", Path: template.URL("/admin/instance/" + ctx.Instance.Slug + "/drupal")}),
+			templating.Title(ctx.Instance.Slug + " - Drupal Status"),
+			admin.instanceTabs(slug, "drupal"),
+		}, nil
+	})
+}