Refactor server and templates package

internal/dis/component/control/static/custom/context.go

@@ -1,103 +0,0 @@
-package custom
-
-import (
-	"html/template"
-	"net/http"
-	"reflect"
-	"time"
-
-	"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
-	"github.com/FAU-CDI/wisski-distillery/pkg/httpx"
-	"github.com/gorilla/csrf"
-	"github.com/tkw1536/goprogram/lib/reflectx"
-	"golang.org/x/exp/slices"
-)
-
-// baseContextName is the name of the [BaseContext] type
-var baseContextName = reflectx.TypeOf[BaseContext]().Name()
-
-// BaseContext represents a context shared by all the templates.
-//
-// This context should always be initialized using the [custom.Update], [custom.New] or [custom.NewForm] functions.
-// Other invocations might cause an error at runtime.
-type BaseContext struct {
-	inited        bool // has this context been inited?
-	requestWasNil bool // was the passed request nil
-
-	GeneratedAt time.Time // time this page was generated at
-
-	// Menu and breadcrumbs
-	Menu []component.MenuItem
-	BaseContextGaps
-
-	CSRF template.HTML // CSRF Field
-}
-
-// constants that are used in various parts of the template to render stuff
-const (
-	errorPrefix template.HTML = `<div style="z-index:10000;position:fixed;top:0;left:0;width:100vh;height:100vw;background:red;text-align:center;padding:10vh 10vw;font-size:xx-large;font-weight:bold">`
-	errorSuffix template.HTML = "</div>"
-
-	csrfError       template.HTML = errorPrefix + "CSRF used but not provided" + errorSuffix
-	initError       template.HTML = errorPrefix + "<code>BaseContext.use()</code> not called" + errorSuffix
-	requestNilError template.HTML = errorPrefix + "<code>BaseContext.use()</code> called with nil request" + errorSuffix
-)
-
-type BaseContextGaps struct {
-	Crumbs  []component.MenuItem
-	Actions []component.MenuItem
-}
-
-func (bcg BaseContextGaps) clone() BaseContextGaps {
-	return BaseContextGaps{
-		Crumbs:  slices.Clone(bcg.Crumbs),
-		Actions: slices.Clone(bcg.Actions),
-	}
-}
-
-// update updates an embedded BaseContext field in context.
-func (custom *Custom) update(context any, r *http.Request, bcg BaseContextGaps) *BaseContext {
-	tc := reflect.ValueOf(context).
-		Elem().FieldByName(baseContextName).Addr().
-		Interface().(*BaseContext)
-	// tc.custom = custom
-	tc.inited = true
-	tc.requestWasNil = r == nil
-
-	tc.GeneratedAt = time.Now().UTC()
-
-	// setup the CSRF field
-	tc.CSRF = csrfError
-	if r != nil {
-		tc.CSRF = csrf.TemplateField(r)
-	}
-
-	// build the menu
-	tc.Menu = custom.BuildMenu(r)
-
-	// build the breadcrumbs
-	tc.BaseContextGaps = bcg.clone()
-	last := len(tc.Crumbs) - 1
-	for i := range tc.Crumbs {
-		tc.Crumbs[i].Active = i == last
-	}
-
-	return tc
-}
-
-// DoInitCheck is called by the template to check that the BaseContext was initialized properly
-func (bc BaseContext) DoInitCheck() template.HTML {
-	if !bc.inited {
-		return initError
-	}
-	if bc.requestWasNil {
-		return requestNilError
-	}
-	return ""
-}
-
-// BaseFormContext combines BaseContext and FormContext
-type BaseFormContext struct {
-	BaseContext
-	httpx.FormContext
-}