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-rw-r--r--doc/codelab/wiki/final-template.go64
1 files changed, 64 insertions, 0 deletions
diff --git a/doc/codelab/wiki/final-template.go b/doc/codelab/wiki/final-template.go
new file mode 100644
index 000000000..481cda1e6
--- /dev/null
+++ b/doc/codelab/wiki/final-template.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+ "http"
+ "io/ioutil"
+ "os"
+ "template"
+)
+
+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 editHandler(c *http.Conn, r *http.Request) {
+ title := r.URL.Path[lenPath:]
+ p, err := loadPage(title)
+ if err != nil {
+ p = &page{title: title}
+ }
+ renderTemplate(c, "view", p)
+}
+
+func viewHandler(c *http.Conn, r *http.Request) {
+ title := r.URL.Path[lenPath:]
+ p, _ := loadPage(title)
+ renderTemplate(c, "edit", p)
+}
+
+func saveHandler(c *http.Conn, r *http.Request) {
+ title := r.URL.Path[lenPath:]
+ body := r.FormValue("body")
+ p := &page{title: title, body: []byte(body)}
+ p.save()
+ http.Redirect(c, "/view/"+title, http.StatusFound)
+}
+
+func renderTemplate(c *http.Conn, tmpl string, p *page) {
+ t, _ := template.ParseFile(tmpl+".html", nil)
+ t.Execute(p, c)
+}
+
+func main() {
+ http.HandleFunc("/view/", viewHandler)
+ http.HandleFunc("/edit/", editHandler)
+ http.HandleFunc("/save/", saveHandler)
+ http.ListenAndServe(":8080", nil)
+}