I am trying to dynamically parse files using walk in a folder and I want to be able to set the path of the file "path/file.html". But my issue is if I have a file in a folder "path/folder/files.html" I can't do it because when I ExecuteTemplate
the file name will be the same "files.html". Is it possible to name each template as I ParseFiles?
Im ok with doing a file one at a time if trying to do them all at once wont work.
// Parse file and send to responsewriter
func View(w http.ResponseWriter, path string) {
temp, err := template.ParseFiles("application/views/"+path+".html")
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
} else {
temp.ExecuteTemplate(w, path, nil)
}
}
Walk the filesystem using filepath.Walk
and a consumer
method that will create templates with the full file paths as names:
package main
import (
"fmt"
"html/template"
"os"
"path/filepath"
)
func consumer(p string, i os.FileInfo, e error) error {
t := template.New(p)
fmt.Println(t.Name())
return nil
}
func main() {
filepath.Walk("/path/to/template/root", filepath.WalkFunc(consumer))
}
You can try template.Lookup, the whole process looks like:
var (
templates *template.Template
)
func loadTemplate() {
funcMap := template.FuncMap{
"safe":func(s string) template.HTML {
return template.HTML(s)
},
}
var err error
templates, err = utils.BuildTemplate("/theme/path/", funcMap)
if err != nil {
log.Printf("Can't read template file %v,", err)
}
}
func homeHandler(w http.ResponseWriter, r *http.Request) {
//lookup the theme your want to use
templ = templates.Lookup("theme.html")
err := templ.Execute(w, data)
if err != nil {
log.Println(err)
}
}
func main() {
loadTemplate()
}
BuildTemplate looks like:
func BuildTemplate(dir string, funcMap template.FuncMap) (*template.Template, error) {
fs, err := ioutil.ReadDir(dir)
if err != nil {
fmt.Printf("Can't read template folder: %s
", dir)
return nil, err
}
files := make([]string, len(fs))
for i, f := range (fs) {
files[i] = path.Join(dir, f.Name())
}
return template.Must(template.New("Template").Funcs(funcMap).ParseFiles(files...)), nil
}