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package util
import (
"path"
"text/template"
"time"
)
func NewTemplate(filenames ...string) *template.Template {
return template.Must(template.New(path.Base(filenames[0])).
Funcs(template.FuncMap{
// Form input helpers
"value": func(v interface{}) string {
if v == nil {
return ""
}
return "value=\"" + template.HTMLEscapeString(v.(string)) + "\""
},
"checked": func(v1 interface{}, v2 interface{}) string {
if v1 == nil || v2 == nil {
return ""
}
if v1 == v2 {
return "checked"
}
return ""
},
"selected": func(v1 interface{}, v2 interface{}) string {
if v1 == nil || v2 == nil {
return ""
}
if v1 == v2 {
return "selected"
}
return ""
},
// Form result helpers
"q": func(v interface{}) string {
if v == nil || v.(string) == "" {
return "<output class=none>none</output>"
}
return "<output><q>" + template.HTMLEscapeString(v.(string)) + "</q></output>"
},
"have": func(v interface{}) bool {
return v != nil && v.(string) == "on"
},
"date": func(v string) string {
t, err := time.Parse("2006-01-02", v)
if err != nil {
panic(err)
}
return t.Format("January 2, 2006")
},
}).
ParseFiles(filenames...))
}
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