rnsrk/wisski-cloud-distillery
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

custom: Allow override of home page

Browse source
This commit is contained in:
Tom Wiesing 2023-01-08 13:53:53 +01:00
parent 729b9cfb51
commit cf59bd7db7
No known key found for this signature in database
4 changed files with 45 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

4
internal/dis/component/control/static/custom/assets.go
View file

@ -11,8 +11,8 @@ func (custom *Custom) CustomAssetsPath() string {
return filepath.Join(custom.Config.DeployRoot, "core", "assets")
}
func (custom *Custom) FooterPath() string {
return filepath.Join(custom.CustomAssetsPath(), "footer.html")
func (custom *Custom) CustomAssetPath(name string) string {
return filepath.Join(custom.CustomAssetsPath(), name)
}
func (custom *Custom) BackupName() string { return "custom" }

53
internal/dis/component/control/static/custom/template.go
View file

@ -8,35 +8,56 @@ import (
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
)
const footerName = "footer"
const (
footerName = "@custom/footer"
aboutName = "@custom/about"
)
//go:embed "footer.html"
var defaultTemplateStr string
var defaultTemplate = template.Must(template.New("footer.html").Parse(defaultTemplateStr))
var footerTemplateStr string
var defaultFooterTemplate = template.Must(template.New("footer.html").Parse(footerTemplateStr))
// Template creates a copy of template with shared template parts updated accordingly.
// Any template using this should use one of the template contexts in this package.
func (custom *Custom) Template(tpl *template.Template) *template.Template {
tree := custom.footerTemplate()
// create a clone of the template
clone := template.Must(tpl.Clone())
clone := template.Must(tpl.Clone()) // create a clone of the template
template.Must(clone.AddParseTree(footerName, tree)) // add the parse tree to it
return clone // and return the tree
// add all the fixed parse trees
footerTree := custom.getTemplateAsset(defaultFooterTemplate)
template.Must(clone.AddParseTree(footerName, footerTree))
// optionally add the about asset
if aboutTree := custom.readTemplateAsset("about.html"); clone.Lookup(aboutName) != nil && aboutTree != nil {
template.Must(clone.AddParseTree(aboutName, aboutTree))
}
return clone // and return the tree
}
// footerTemplate returns a new copy of the footer template
func (custom *Custom) footerTemplate() *parse.Tree {
footer, err := (func() (*template.Template, error) {
data, err := environment.ReadFile(custom.Environment, custom.FooterPath())
// getTemplateAsset returns an overridable template asset.
//
// If the asset named can successfully be parsed, it is returned.
// If it can not be parsed, the default template is returned.
func (custom *Custom) getTemplateAsset(dflt *template.Template) *parse.Tree {
tree := custom.readTemplateAsset(dflt.Name())
if tree == nil {
return dflt.Tree.Copy()
}
return tree
}
// readTemplateAsset is like getTemplateAssets, but takes an explicit name to read.
// when the asset does not exist, or cannot be opened, returns nil.
func (custom *Custom) readTemplateAsset(name string) *parse.Tree {
template, err := (func() (*template.Template, error) {
data, err := environment.ReadFile(custom.Environment, custom.CustomAssetPath(name))
if err != nil {
return nil, err
}
return template.New("footer.html").Parse(string(data))
return template.New(name).Parse(string(data))
})()
if err != nil {
return defaultTemplate.Tree.Copy()
return nil
}
return footer.Tree
return template.Tree
}