transmet/templates.go

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package main
import (
"fmt"
"html/template"
"path/filepath"
"regexp"
"net/http"
)
var (
templates = map[string]*template.Template{}
)
// Tempalte helper functions
var funcMap = template.FuncMap {
"add": func (x, y int) int { return x + y },
"minus": func (x, y int) int { return x - y },
}
func initTemplates() {
files, _ := filepath.Glob("templates/pages/*.html")
re := regexp.MustCompile("templates/pages/(.*).html")
fmt.Println("Loading Templates:")
for _, t := range files {
name := re.FindStringSubmatch(t)
fmt.Println(" ", name[1])
templates[name[1]] = template.Must(template.New(name[1]).Funcs(funcMap).ParseFiles("templates/layout.html", t))
}
}
func ShowTemplate(template string, w http.ResponseWriter, data map[string]interface{}) {
err := templates[template].ExecuteTemplate(w, "layout.html", data)
if err != nil {
fmt.Println("Exec err: ", err)
}
// TODO: show error 500 page
}