// Delete deletes a Note from this Notebook, removes it from any Tags that refer to it and deletes any Tags
// that no longer refer to any Notes
func (notebook *Notebook) Delete(id string, c appengine.Context) (bool, error) {
err := datastore.RunInTransaction(c, func(tc appengine.Context) error {
note := Note{ID: id}
noteKey := note.Key(c)
err := cachestore.Get(tc, noteKey, ¬e)
if err != nil {
c.Errorf("getting note: %s", err)
return err
}
// remove note
if Debug {
tc.Debugf("deleting note: %#v", note)
}
err = cachestore.Delete(tc, noteKey)
if err != nil {
c.Errorf("deleting note: %s", err)
return err
}
// remove note from tags
err = notebook.updateTags(noteKey, ¬e, new(Note), tc)
if err != nil {
return err
}
// remove note from notebook
notebook.NoteKeys = removeKey(notebook.NoteKeys, noteKey)
return notebook.save(tc)
}, &datastore.TransactionOptions{XG: true})
if err != nil {
memcache.Flush(c)
}
return err == nil, err
}
// DeleteAll deletes all Notes and Tags from this Notebook.
func (notebook *Notebook) DeleteAll(c appengine.Context) error {
err := datastore.RunInTransaction(c, func(tc appengine.Context) error {
err := cachestore.DeleteMulti(tc, notebook.NoteKeys)
if err != nil {
return err
}
return cachestore.DeleteMulti(tc, notebook.TagKeys)
}, &datastore.TransactionOptions{XG: true})
if err != nil {
memcache.Flush(c)
}
return nil
}
// handler for /admin/submit_links
func adminSubmitLinksHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
order, _ := strconv.Atoi(strings.TrimSpace(r.FormValue("new_order")))
link := SavedLink{
Order: int64(order),
Title: strings.TrimSpace(r.FormValue("new_title")),
URL: strings.TrimSpace(r.FormValue("new_url")),
}
_, err := datastore.Put(c, link.Key(c), &link)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
log.Printf("Saved entry: %v", link)
memcache.Flush(c)
http.Redirect(w, r, fmt.Sprintf("/admin/links?added=%s", link.URL), http.StatusFound)
}
func TestsHandler(w http.ResponseWriter, r *http.Request) {
ctx = context.New(r)
if err := memcache.Flush(ctx); err != nil {
panic(err)
}
if err := FlushDs(ctx); err != nil {
panic(err)
}
conf := &gocheck.RunConf{
Output: w,
Stream: false,
Filter: r.FormValue("f"),
Verbose: true,
Benchmark: false,
BenchmarkTime: time.Second,
}
result := gocheck.RunAll(conf)
w.Write([]byte(result.String()))
}
// updateNote updates a Note in this Notebook, updating existing Tags to either start or stop pointing to it,
// cleaning up Tags that no longer point to any Note, and adding any new Tags.
func (notebook *Notebook) updateNote(note Note, c appengine.Context) (Note, error) {
err := datastore.RunInTransaction(c, func(tc appengine.Context) error {
// get old note
var oldNote Note
key := note.Key(tc)
err := cachestore.Get(tc, key, &oldNote)
if err != nil {
tc.Errorf("getting old note: %s", err)
return err
}
oldNote.ID = note.ID
// add/update/delete tags
err = notebook.updateTags(key, &oldNote, ¬e, tc)
if err != nil {
return err
}
// update note
note.Created = oldNote.Created
note.LastModified = time.Now()
note.NotebookKeys = oldNote.NotebookKeys
if Debug {
tc.Debugf("updating note: %#v", note)
}
key, err = cachestore.Put(tc, key, ¬e)
if err != nil {
tc.Errorf("updating note: %s", err)
return err
}
// update notebook
return notebook.save(tc)
}, &datastore.TransactionOptions{XG: true})
if err != nil {
memcache.Flush(c)
}
return note, err
}
// addNote adds a Note to this Notebook, updating existing Tags to point to it if they're mentioned
// and adding any new Tags
func (notebook *Notebook) addNote(note Note, c appengine.Context) (Note, error) {
err := datastore.RunInTransaction(c, func(tc appengine.Context) error {
// add note (without tags) TODO add existing tags
key, err := notebook.addNoteWithoutTags(¬e, tc)
if err != nil {
return err
}
// add/update tags
err = notebook.updateTags(key, new(Note), ¬e, tc)
if err != nil {
return err
}
// update note (with tags) TODO skip if no new tags
if Debug {
tc.Debugf("updating note (with tags): %#v", note)
}
key, err = cachestore.Put(tc, key, ¬e)
if err != nil {
tc.Errorf("updating note (with tags): %s", err)
return err
}
// update notebook
notebook.NoteKeys = append(notebook.NoteKeys, key)
if len(note.TagKeys) > 0 {
notebook.addTagKeys(note.TagKeys)
} else {
notebook.UntaggedNoteKeys = append(notebook.UntaggedNoteKeys, key)
}
return notebook.save(tc)
}, &datastore.TransactionOptions{XG: true})
if err != nil {
memcache.Flush(c)
}
return note, err
}
func Flush(c appengine.Context) error {
return memcache.Flush(c)
}
func (c *memcacheDriver) Flush() error {
return memcache.Flush(c.c)
}
// HTTP handler for /admin/submit - submits a blog entry into datastore
func adminSubmitEntryHandler(w http.ResponseWriter, r *http.Request) {
content := strings.TrimSpace(r.FormValue("content"))
title := strings.TrimSpace(r.FormValue("title"))
slug := strings.TrimSpace(r.FormValue("slug"))
entry := SavedEntry{}
if len(content) == 0 {
http.Error(w, "No content", http.StatusInternalServerError)
return
}
if len(title) == 0 {
http.Error(w, "No title", http.StatusInternalServerError)
return
}
c := appengine.NewContext(r)
if r.FormValue("is_new_post") == "1" {
if u := user.Current(c); u != nil {
entry.Author = u.String()
}
} else {
entry, _ = GetSingleEntry(c, slug)
}
if r.FormValue("hidden") == "on" {
entry.IsHidden = true
} else {
entry.IsHidden = false
}
if r.FormValue("allow_comments") == "on" {
entry.AllowComments = true
} else {
entry.AllowComments = false
}
entry.IsPage, _ = strconv.ParseBool(r.FormValue("is_page"))
entry.Content = []byte(content)
entry.Title = title
entry.Slug = slug
log.Printf("Comments: %s (real=%s)", entry.AllowComments, r.FormValue("allow_comments"))
if entry.PublishDate.IsZero() {
entry.PublishDate = time.Now()
}
if entry.IsPage {
entry.RelativeURL = entry.Slug
} else {
entry.RelativeURL = fmt.Sprintf("%d/%02d/%s", entry.PublishDate.Year(),
entry.PublishDate.Month(), entry.Slug)
}
_, err := datastore.Put(c, entry.Key(c), &entry)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
log.Printf("Saved entry: %v", entry)
memcache.Flush(c)
if entry.IsPage {
http.Redirect(w, r, fmt.Sprintf("/admin/pages?added=%s", slug), http.StatusFound)
} else {
http.Redirect(w, r, fmt.Sprintf("/admin?added=%s", slug), http.StatusFound)
}
}
//I need to implement a token on this form
func csvimport(w http.ResponseWriter, r *http.Request) *appError {
c := appengine.NewContext(r)
c.Debugf("method: ", r.Method)
if r.Method != "POST" {
return &appError{
errors.New("Unsupported method call to import"),
"Imports most be POSTed",
http.StatusMethodNotAllowed,
}
}
//this block for check the user's credentials should eventually be broken out into a filter
u := user.Current(c)
if u == nil {
url, err := user.LoginURL(c, r.URL.String())
if err != nil {
return &appError{err, "Could not determine LoginURL", http.StatusInternalServerError}
}
w.Header().Set("Location", url)
w.WriteHeader(http.StatusFound)
return nil
}
//some crappy security so that only a certain person can upload things
//we should probably have a users entity in datastore that we manage manually for this kinda thing
if u.Email != "*****@*****.**" {
return &appError{
errors.New("Illegal import attempted by " + u.Email),
"Your user is not allowed to import",
http.StatusForbidden,
}
}
//r.ParseMultipartForm(1 << 10)
file, handler, err := r.FormFile("uploadfile")
if err != nil {
return &appError{err, "Error uploading file", http.StatusInternalServerError}
}
defer file.Close()
log.Println(handler.Filename)
cr := csv.NewReader(file)
var res []*resource
var keys []*datastore.Key
//at the moment we always insert a new item, this should be an insert or update based on OrganizationName
//if we get a large enough data set we'll need to implement two loops so that we only batch a certain number of records at a time
for {
rec, err := cr.Read()
if err == io.EOF {
break
}
if err != nil {
return &appError{err, "Error reading file", http.StatusInternalServerError}
}
//we may want IDs in there eventually
//_, err = strconv.ParseInt(rec[0], 2, 64)
tmp := &resource{
Category: rec[1],
OrganizationName: rec[2],
Address: rec[3],
ZipCode: rec[4],
Days: rec[5],
TimeOpen: rec[6],
TimeClose: rec[7],
PeopleServed: rec[8],
Description: rec[9],
PhoneNumber: rec[10],
LastUpdatedBy: u.Email,
LastUpdatedTime: time.Now().UTC(),
IsActive: true,
Location: appengine.GeoPoint{},
}
log.Printf("len slice check: %x, len rec LatLng check: %x, check for comma: %x", len(rec) > 11, len(rec[11]) > 0, strings.Index(rec[11], ",") != -1)
if len(rec) > 11 && len(rec[11]) > 0 && strings.Index(rec[11], ",") != -1 {
tmp.Location.Lng, _ = strconv.ParseFloat(strings.Split(rec[11], ",")[0], 64)
tmp.Location.Lat, _ = strconv.ParseFloat(strings.Split(rec[11], ",")[1], 64)
log.Println(tmp.Location)
}
res = append(res, tmp)
keys = append(keys, datastore.NewIncompleteKey(c, "Resource", nil))
}
_, err = datastore.PutMulti(c, keys, res)
if err != nil {
log.Println(err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return &appError{err, "Error updating database", http.StatusInternalServerError}
}
// clear the cache
memcache.Flush(c)
http.Redirect(w, r, "/index.html", http.StatusFound)
return nil
}
func (session *Session) FlushCache() {
memcache.Flush(session.context)
}
func flushUserCache(c appengine.Context) {
if err := memcache.Flush(c); err != nil {
panic(&appError{err, "Error flushing memcache", 500})
}
}