func init() {
var err error
newPageTempate, err = loadLayoutTemplate().Parse(newContents)
mst.MustNotErr(err)
editPageTempate, err = loadLayoutTemplate().Parse(editContents)
mst.MustNotErr(err)
}
func handleViewPage(w http.ResponseWriter, r *http.Request) {
noteId := r.URL.Path[3:]
// Guard ourselves again matching /n/gibberish (check for uuid length)
if len(noteId) != 36 {
w.WriteHeader(404)
w.Write([]byte("404 - Page not found"))
return
}
note, err := data.GetNote(DB(), noteId)
if err == sql.ErrNoRows {
w.WriteHeader(404)
w.Write([]byte("404 - Page not found"))
} else if err != nil {
w.WriteHeader(500)
w.Write([]byte("500 - Error fetching note"))
log.Fatal(err)
} else {
contents, err := RenderViewPage(Page{
Notes: data.MustGetAllNotes(DB()),
Id: note.Id,
Title: note.Title,
Body: note.Body,
PostbackURL: "/n/" + note.Id,
})
mst.MustNotErr(err)
w.Write(contents)
}
}
func handleNewPage(w http.ResponseWriter, r *http.Request) {
contents, err := RenderNewPage(Page{
Notes: data.MustGetAllNotes(DB()),
Title: "New note",
Body: "",
PostbackURL: "/new",
})
mst.MustNotErr(err)
w.Write(contents)
}
func handleNewPagePost(w http.ResponseWriter, r *http.Request) {
title, body := r.FormValue("title"), r.FormValue("body")
if savedNote, err := data.CreateNote(DB(), title, body); err != nil {
contents, rerr := RenderNewPage(Page{
Notes: data.MustGetAllNotes(DB()),
Title: title,
Body: err.Error() + "\n\n" + body,
PostbackURL: "/new",
})
mst.MustNotErr(rerr)
w.WriteHeader(400)
w.Write(contents)
} else {
http.Redirect(w, r, "/n/"+savedNote.Id, 302)
}
}
func handleEditPage(w http.ResponseWriter, r *http.Request) {
noteId := r.URL.Path[3 : len(r.URL.Path)-5]
note, err := data.GetNote(DB(), noteId)
if err == sql.ErrNoRows {
w.WriteHeader(404)
w.Write([]byte("404 - Page not found"))
} else if err != nil {
w.WriteHeader(500)
w.Write([]byte("500 - Error fetching note"))
log.Fatal(err)
} else {
contents, err := RenderEditPage(Page{
Notes: data.MustGetAllNotes(DB()),
Id: note.Id,
Title: note.Title,
Body: note.Body,
PostbackURL: "/n/" + note.Id + "/edit",
})
mst.MustNotErr(err)
w.Write(contents)
}
}
func MustGetAllNotes(db *sql.DB) []Note {
notes, err := GetAllNotes(db)
mst.MustNotErr(err)
return notes
}
func loadLayoutTemplate() *template.Template {
t, err := template.New("page").Parse(layoutContents)
mst.MustNotErr(err)
return t
}