core/renderer/funcmap.go

package renderer

import (
	"fmt"
	"html/template"
	"log"
	"net/url"
	"reflect"
	"time"
)

var (
	funcMap = template.FuncMap{
		"query":       query,
		"convertDate": convertDate,
		"model":       model,
	}
)

func getType(myvar interface{}) (res string) {
	t := reflect.TypeOf(myvar)
	for t.Kind() == reflect.Ptr {
		t = t.Elem()
		res += "*"
	}
	return res + t.Name()
}

func query(values ...string) template.URL {
	var urlValues url.Values

	urlValues = make(url.Values)
	urlValues.Set("format", "html")

	for i := 0; i < len(values); i += 2 {
		urlValues.Add(values[i], values[i+1])
	}
	return template.URL(urlValues.Encode())
}

func convertDate(t time.Time) string {
	return fmt.Sprintf("%d-%02d-%02d", t.Year(), t.Month(), t.Day())
}

func model(value interface{}) string {
	log.Println(value)
	return getType(value)
}