Last active
August 26, 2020 13:48
-
-
Save guilyx/82a5edf313230426f04185d7e87d247c to your computer and use it in GitHub Desktop.
Simple example showing how to extract a string variable out of a go template.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package main | |
| import ( | |
| "text/template" | |
| "fmt" | |
| "bytes" | |
| "time" | |
| "strconv" | |
| ) | |
| type Content struct { | |
| LastName string | |
| FirstName string | |
| TestDate string | |
| TestHour string | |
| TestMinute string | |
| } | |
| func ResolveContentPlaceholders(contentTemplate Content, content string) (string, error) { | |
| buf := new(bytes.Buffer) | |
| t, err := template.New("content").Parse(content) | |
| if err != nil { | |
| return "", err | |
| } | |
| err = t.Execute(buf, contentTemplate) | |
| if err != nil { | |
| return "", err | |
| } | |
| return buf.String(), nil | |
| } | |
| func main() { | |
| td := Content { | |
| LastName: "Mariah", | |
| FirstName: "Carrey", | |
| TestDate: time.Now().Format("2006-01-02"), | |
| TestHour: strconv.Itoa(time.Now().Hour()), | |
| TestMinute: strconv.Itoa(time.Now().Minute()), | |
| } | |
| content := "Hey {{ .FirstName}}, hope everything's alright.\r\n I confirm you the exam is scheduled on {{ .TestDate}} at {{ .TestHour}}:{{ .TestMinute}}" | |
| s, err := ResolveContentPlaceholders(td, content) | |
| if err != nil { | |
| fmt.Printf("Placeholders resolution failed: %s", err) | |
| panic("haaaaaaaaaa!") | |
| } | |
| fmt.Println(s) | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment