130 lines
3.3 KiB
Go
130 lines
3.3 KiB
Go
// Copyright 2017 Frédéric Guilloe. All rights reserved.
|
|
// Use of this source code is governed by the Apache 2.0
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package template
|
|
|
|
import (
|
|
"bytes"
|
|
"html/template"
|
|
"io"
|
|
"log"
|
|
"net/url"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/miniflux/miniflux2/config"
|
|
"github.com/miniflux/miniflux2/errors"
|
|
"github.com/miniflux/miniflux2/locale"
|
|
"github.com/miniflux/miniflux2/server/route"
|
|
"github.com/miniflux/miniflux2/server/template/helper"
|
|
"github.com/miniflux/miniflux2/server/ui/filter"
|
|
|
|
"github.com/gorilla/mux"
|
|
)
|
|
|
|
// Engine handles the templating system.
|
|
type Engine struct {
|
|
templates map[string]*template.Template
|
|
router *mux.Router
|
|
translator *locale.Translator
|
|
currentLocale *locale.Language
|
|
cfg *config.Config
|
|
}
|
|
|
|
func (e *Engine) parseAll() {
|
|
funcMap := template.FuncMap{
|
|
"baseURL": func() string {
|
|
return e.cfg.Get("BASE_URL", config.DefaultBaseURL)
|
|
},
|
|
"route": func(name string, args ...interface{}) string {
|
|
return route.GetRoute(e.router, name, args...)
|
|
},
|
|
"noescape": func(str string) template.HTML {
|
|
return template.HTML(str)
|
|
},
|
|
"proxyFilter": func(data string) string {
|
|
return filter.ImageProxyFilter(e.router, data)
|
|
},
|
|
"domain": func(websiteURL string) string {
|
|
parsedURL, err := url.Parse(websiteURL)
|
|
if err != nil {
|
|
return websiteURL
|
|
}
|
|
|
|
return parsedURL.Host
|
|
},
|
|
"hasPrefix": func(str, prefix string) bool {
|
|
return strings.HasPrefix(str, prefix)
|
|
},
|
|
"contains": func(str, substr string) bool {
|
|
return strings.Contains(str, substr)
|
|
},
|
|
"isodate": func(ts time.Time) string {
|
|
return ts.Format("2006-01-02 15:04:05")
|
|
},
|
|
"elapsed": func(ts time.Time) string {
|
|
return helper.GetElapsedTime(e.currentLocale, ts)
|
|
},
|
|
"t": func(key interface{}, args ...interface{}) string {
|
|
switch key.(type) {
|
|
case string:
|
|
return e.currentLocale.Get(key.(string), args...)
|
|
case errors.LocalizedError:
|
|
err := key.(errors.LocalizedError)
|
|
return err.Localize(e.currentLocale)
|
|
case error:
|
|
return key.(error).Error()
|
|
default:
|
|
return ""
|
|
}
|
|
},
|
|
"plural": func(key string, n int, args ...interface{}) string {
|
|
return e.currentLocale.Plural(key, n, args...)
|
|
},
|
|
}
|
|
|
|
commonTemplates := ""
|
|
for _, content := range templateCommonMap {
|
|
commonTemplates += content
|
|
}
|
|
|
|
for name, content := range templateViewsMap {
|
|
log.Println("Parsing template:", name)
|
|
e.templates[name] = template.Must(template.New("main").Funcs(funcMap).Parse(commonTemplates + content))
|
|
}
|
|
}
|
|
|
|
// SetLanguage change the language for template processing.
|
|
func (e *Engine) SetLanguage(language string) {
|
|
e.currentLocale = e.translator.GetLanguage(language)
|
|
}
|
|
|
|
// Execute process a template.
|
|
func (e *Engine) Execute(w io.Writer, name string, data interface{}) {
|
|
tpl, ok := e.templates[name]
|
|
if !ok {
|
|
log.Fatalf("The template %s does not exists.\n", name)
|
|
}
|
|
|
|
var b bytes.Buffer
|
|
err := tpl.ExecuteTemplate(&b, "base", data)
|
|
if err != nil {
|
|
log.Fatalf("Unable to render template: %v\n", err)
|
|
}
|
|
|
|
b.WriteTo(w)
|
|
}
|
|
|
|
// NewEngine returns a new template Engine.
|
|
func NewEngine(cfg *config.Config, router *mux.Router, translator *locale.Translator) *Engine {
|
|
tpl := &Engine{
|
|
templates: make(map[string]*template.Template),
|
|
router: router,
|
|
translator: translator,
|
|
cfg: cfg,
|
|
}
|
|
|
|
tpl.parseAll()
|
|
return tpl
|
|
}
|