// Render takes a Beego context, template name and a Context (map[string]interface{}).
// The template is parsed and cached, and gets executed into beegoCtx's ResponseWriter.
//
// Templates are looked up in `templates/` instead of Beego's default `views/` so that
// Beego doesn't attempt to load and parse our templates with `html/template`.
func Render(beegoCtx *context.Context, tmpl string, ctx Context) {
mutex.RLock()
template, ok := templates[tmpl]
mutex.RUnlock()
if !ok || devMode {
var err error
// default ViewsPath
prefix := beego.AppConfig.String("ViewsPath")
if prefix == "" {
prefix = "views/"
}
template, err = p2.FromFile(prefix + tmpl)
if err != nil {
panic(err)
}
mutex.Lock()
templates[tmpl] = template
mutex.Unlock()
}
var pCtx p2.Context
if ctx == nil {
pCtx = p2.Context{}
} else {
pCtx = p2.Context(ctx)
}
if xsrf, ok := beegoCtx.GetSecureCookie(beego.XSRFKEY, "_xsrf"); ok {
pCtx["_xsrf"] = xsrf
}
// Only override "flash" if it hasn't already been set in Context
if _, ok := ctx["flash"]; !ok {
if ctx == nil {
ctx = Context{}
}
ctx["flash"] = readFlash(beegoCtx)
}
err := template.ExecuteWriter(pCtx, beegoCtx.ResponseWriter)
if err != nil {
panic(err)
}
}
func Pongo2() HandlerFunc {
return func(c *Context) {
c.Next()
templateName, templateNameExists := c.Get("template")
templateData, templateDataExists := c.Get("data")
templateNameValue, isString := templateName.(string)
if templateNameExists && templateDataExists && isString {
template := pongo2.Must(pongo2.FromFile(templateNameValue))
err := template.ExecuteWriter(getContext(templateData), c.Writer)
if err != nil {
http.Error(c.Writer, err.Error(), http.StatusInternalServerError)
}
}
}
}