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view.go
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view.go
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package noaweb
import (
"bytes"
"fmt"
"html/template"
"io/ioutil"
"log"
"strings"
)
// ViewFunctions struct used to structure package
type ViewFunctions struct{}
// View variable used to structure package
var View ViewFunctions
// ParseTmpl is a function that parses a view template from filePath and inserts
// values from templateMap. Should be called like this:
// parsedTemplate := ParseTmpl(template.tmpl.html, map[string]interface{}{
// "template1": "Content",
// "template2": template.HTML("<p>HTML encoded stuff</p>"),
// })
func (ViewFunctions) ParseTmpl(filePath string, templateMap interface{}) (string, error) {
// Read file to string, f
var dat []byte
var err error
if strings.HasPrefix(filePath, "/") {
dat, err = ioutil.ReadFile(filePath)
} else {
dat, err = ioutil.ReadFile(noawebinst.AssetsDir + "/" + filePath)
}
if err != nil {
fmt.Println(err)
}
f := string(dat)
// Parse and execute the template
t, err := template.New("error").Parse(f)
if err != nil {
log.Fatal(err)
}
var tpl bytes.Buffer
t.Execute(&tpl, templateMap)
return tpl.String(), nil
}
// Parse is a function that parses a view from filePath and returns the
// view as a string.
func (ViewFunctions) Parse(filePath string) (string, error) {
// Read file to string, f
var dat []byte
var err error
if strings.HasPrefix(filePath, "/") {
dat, err = ioutil.ReadFile(filePath)
} else {
dat, err = ioutil.ReadFile(noawebinst.AssetsDir + "/" + filePath)
}
if err != nil {
fmt.Println(err)
}
return string(dat), nil
}