allowances/templates.go

package allowances

import (
	"fmt"
	"html/template"
	"log"
	"strings"
)

func dollarize(value int) string {
	return fmt.Sprintf("$%0.2f", float32(value)/100.0)
}

type tmap map[string]*template.Template

var tmpls tmap

func getTemplates() (tmap, error) {
	var err error
	funcMap := template.FuncMap{
		"title":     strings.Title,
		"dollarize": dollarize,
	}
	base, err := Asset("templates/base.html")
	if err != nil {
		return nil, err
	}
	tmpl, err := template.New("base").Funcs(funcMap).Parse(string(base))
	if err != nil {
		return nil, err
	}
	templates := make(map[string]*template.Template)
	templateFiles := []struct {
		name string
		path string
	}{
		{"home", "templates/index.html"},
		{"login", "templates/login.html"},
	}

	for _, tf := range templateFiles {
		a, err := Asset(tf.path)
		if err != nil {
			return nil, err
		}
		t, err := tmpl.Clone()
		if err != nil {
			return nil, err
		}

		t, err = t.Parse(string(a))
		if err != nil {
			log.Printf("XXX: %+v", err)
			return nil, err
		}
		templates[tf.name] = t
	}

	return templates, nil
}