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render.go
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render.go
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package render
import (
"errors"
"fmt"
"html/template"
"log"
"net/http"
"strings"
"github.com/CloudyKit/jet/v6"
)
type Render struct {
Renderer string
RootPath string
Secure bool
Port string
ServerName string
JetViews *jet.Set
}
type TemplateData struct {
IsAuthenticated bool
IntMap map[string]int
StringMap map[string]string
FloatMap map[string]float32
Data map[string]interface{}
CSRFToken string
Port string
ServerName string
Secure bool
}
func (ren *Render) Page(w http.ResponseWriter, r *http.Request, view string, variables, data interface{}) error {
switch strings.ToLower(ren.Renderer) {
case "go":
return ren.GoPage(w, r, view, data)
case "jet":
return ren.JetPage(w, r, view, variables, data)
default:
}
return errors.New("no rendering engine specified")
}
// GoPage renders a standard Go template
func (ren *Render) GoPage(w http.ResponseWriter, r *http.Request, view string, data interface{}) error {
tmpl, err := template.ParseFiles(fmt.Sprintf("%s/views/%s.page.tmpl", ren.RootPath, view))
if err!= nil {
return err
}
td := &TemplateData{}
if data != nil {
td = data.(*TemplateData)
}
err = tmpl.Execute(w, &td)
if err!= nil {
return err
}
return nil
}
// JetPage renders a template using the Jet template engine
func (ren *Render) JetPage(w http.ResponseWriter, r *http.Request, templateName string, variables, data interface{}) error {
var vars jet.VarMap
if variables == nil {
vars = make(jet.VarMap)
} else {
vars = variables.(jet.VarMap)
}
td := &TemplateData{}
if data!= nil {
td = data.(*TemplateData)
}
t, err := ren.JetViews.GetTemplate(fmt.Sprintf("%s.jet", templateName))
if err != nil {
log.Println(err)
return err
}
if err = t.Execute(w, vars, td); err != nil {
log.Println(err)
return err
}
return nil
}