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-rw-r--r--doc/codelab/wiki/notemplate.go55
1 files changed, 55 insertions, 0 deletions
diff --git a/doc/codelab/wiki/notemplate.go b/doc/codelab/wiki/notemplate.go
new file mode 100644
index 000000000..9cbe9ad76
--- /dev/null
+++ b/doc/codelab/wiki/notemplate.go
@@ -0,0 +1,55 @@
+package main
+
+import (
+ "fmt"
+ "http"
+ "io/ioutil"
+ "os"
+)
+
+type Page struct {
+ Title string
+ Body []byte
+}
+
+func (p *Page) save() os.Error {
+ filename := p.Title + ".txt"
+ return ioutil.WriteFile(filename, p.Body, 0600)
+}
+
+func loadPage(title string) (*Page, os.Error) {
+ filename := title + ".txt"
+ body, err := ioutil.ReadFile(filename)
+ if err != nil {
+ return nil, err
+ }
+ return &Page{Title: title, Body: body}, nil
+}
+
+const lenPath = len("/view/")
+
+func viewHandler(w http.ResponseWriter, r *http.Request) {
+ title := r.URL.Path[lenPath:]
+ p, _ := loadPage(title)
+ fmt.Fprintf(w, "<h1>%s</h1><div>%s</div>", p.Title, p.Body)
+}
+
+func editHandler(w http.ResponseWriter, r *http.Request) {
+ title := r.URL.Path[lenPath:]
+ p, err := loadPage(title)
+ if err != nil {
+ p = &Page{Title: title}
+ }
+ fmt.Fprintf(w, "<h1>Editing %s</h1>"+
+ "<form action=\"/save/%s\" method=\"POST\">"+
+ "<textarea name=\"body\">%s</textarea><br>"+
+ "<input type=\"submit\" value=\"Save\">"+
+ "</form>",
+ p.Title, p.Title, p.Body)
+}
+
+func main() {
+ http.HandleFunc("/view/", viewHandler)
+ http.HandleFunc("/edit/", editHandler)
+ http.ListenAndServe(":8080", nil)
+}