// serve handles Tessernote's page requests
func serve(w http.ResponseWriter, r *http.Request) {
if validDataURL.MatchString(r.URL.Path) {
serveData(w, r)
} else if validPageURL.MatchString(r.URL.Path) {
c := appengine.NewContext(r)
if !loggedIn(w, r, c) {
return
}
notebook, err := tessernote.CurrentNotebook(c)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
page := new(tessernote.Page)
page.Tags, err = notebook.Tags(c)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
selectedTags, err := parseSelectedTags(w, r, notebook, c)
if err != nil {
return
}
page.SetSelectedTags(selectedTags)
relatedTags, err := notebook.RelatedTags(selectedTags, c)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
page.SetRelatedTags(relatedTags)
page.UntaggedNotes = len(notebook.UntaggedNoteKeys) > 0
if r.URL.Path == untaggedURL {
page.Notes, err = notebook.UntaggedNotes(c)
} else if len(selectedTags) == 0 {
page.Notes, err = notebook.Notes(c)
} else {
page.Notes, err = tessernote.RelatedNotes(selectedTags, c)
}
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = templates.ExecuteTemplate(w, "main.html", page)
if err != nil {
c.Errorf("executing template: %s", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
}
} else {
http.NotFound(w, r)
}
}
// serveData handles requests to Tessernote's RESTful data API
func serveData(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
u := user.Current(c)
if u == nil {
http.Error(w, "", http.StatusUnauthorized)
return
}
notebook, err := tessernote.CurrentNotebook(c)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if r.URL.Path == NotesURL {
switch r.Method {
case "GET":
GetAllNotes(w, c, notebook)
case "PUT":
ReplaceAllNotes(w, r, c, notebook)
case "POST":
CreateNote(w, r, c, notebook)
case "DELETE":
DeleteAllNotes(w, c, notebook)
default:
http.NotFound(w, r)
}
} else {
switch r.Method {
case "GET":
GetNote(w, r, c, notebook)
case "PUT":
ReplaceNote(w, r, c, notebook)
case "DELETE":
DeleteNote(w, r, c, notebook)
default:
http.NotFound(w, r)
}
}
}