68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
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package helper
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import (
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"log"
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"path"
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"regexp"
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"strings"
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"gitbase.de/apairon/mark2web/config"
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"github.com/flosch/pongo2"
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)
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var templateCache = make(map[string]*pongo2.Template)
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var currentContext map[string]interface{}
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var templateDir string
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func BackToRoot(curNavPath string) string {
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tmpPath := ""
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if curNavPath != "" {
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for i := strings.Count(curNavPath, "/") + 1; i > 0; i-- {
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tmpPath += "../"
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}
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}
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return tmpPath
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}
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// SetTemplateDir sets base directory for searching template files
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func SetTemplateDir(dir string) {
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templateDir = dir
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}
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// RenderTemplate renders a pongo2 template with context
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func RenderTemplate(filename string, ctx map[string]interface{}) (string, error) {
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currentContext = ctx
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templateFile := templateDir + "/" + filename
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template := templateCache[templateFile]
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if template == nil {
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var err error
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if template, err = pongo2.FromFile(templateFile); err != nil {
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log.Panicf("could not parse template '%s': %s", templateFile, err)
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} else {
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templateCache[templateFile] = template
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}
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}
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return template.Execute(ctx)
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}
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func FixAssetsPath(str, curNavPath string) string {
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if find := config.Config.Assets.FixTemplate.Find; find != "" {
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Log.Debugf("fixing assets paths for path '%s'", curNavPath)
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repl := config.Config.Assets.FixTemplate.Replace
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toPath := config.Config.Assets.ToPath
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bToRoot := BackToRoot(curNavPath)
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regex, err := regexp.Compile(find)
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if err != nil {
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log.Panicf("could not compile regexp '%s' for assets path: %s", find, err)
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}
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repl = bToRoot + toPath + "/" + repl
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repl = path.Clean(repl) + "/"
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Log.Debugf("new assets paths: %s", repl)
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return regex.ReplaceAllString(str, repl)
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} else {
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return str
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}
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}
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