Wiki codelab, complete with tests.

R=r, rsc, gri
CC=golang-dev
http://codereview.appspot.com/887045

1 files changed, 52 insertions, 0 deletions

diff --git a/doc/codelab/wiki/final-noerror.go b/doc/codelab/wiki/final-noerror.go
new file mode 100644
index 000000000..3b699452a
--- /dev/null
+++ b/doc/codelab/wiki/final-noerror.go
@@ -0,0 +1,52 @@
+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}
+	}
+	t, _ := template.ParseFile("edit.html", nil)
+	t.Execute(p, c)
+}
+
+func viewHandler(c *http.Conn, r *http.Request) {
+	title := r.URL.Path[lenPath:]
+	p, _ := loadPage(title)
+	t, _ := template.ParseFile("view.html", nil)
+	t.Execute(p, c)
+}
+
+func main() {
+	http.HandleFunc("/view/", viewHandler)
+	http.HandleFunc("/edit/", editHandler)
+	http.ListenAndServe(":8080", nil)
+}