/*
This call deletes and creates unit-testing data.
*/
func (h *System) CreateTestData(r *http.Request, args *SystemArgs, reply *GeneralReply) error {
c := appengine.NewContext(r)
var err error
// delete any previous testing data
{
var keys_to_delete []*datastore.Key
REGION_UIDS_TO_DELETE := []string{"@test-san-francisco", "@test-los-angeles"}
RESTAURANT_UIDS_TO_DELETE := []string{"@test-mcdonalds", "@test-In-N-Out", "@test-Wendys"}
TAGS_UIDS_TO_DELETE := []string{"@test-american", "@test-french"}
for _, uid := range REGION_UIDS_TO_DELETE {
q := datastore.NewQuery("Tags").Filter("Uid =", uid).KeysOnly()
keys_to_delete, err = q.GetAll(c, nil)
checkErr(err, "DB error1")
err = datastore.DeleteMulti(c, keys_to_delete)
checkErr(err, "DB error2")
}
for _, uid := range RESTAURANT_UIDS_TO_DELETE {
q := datastore.NewQuery("Region").Filter("Uid =", uid).KeysOnly()
keys_to_delete, err = q.GetAll(c, nil)
checkErr(err, "DB error3")
err = datastore.DeleteMulti(c, keys_to_delete)
checkErr(err, "DB error4")
}
for _, uid := range TAGS_UIDS_TO_DELETE {
q := datastore.NewQuery("Restaurant").Filter("Uid =", uid).KeysOnly()
_, err = q.GetAll(c, &keys_to_delete)
checkErr(err, "DB error5")
err = datastore.DeleteMulti(c, keys_to_delete)
checkErr(err, "DB error6")
}
log.Printf("... cleanup done")
}
// re-create the data (unless this was a cleanup operation only)
if !args.CleanupOnly {
region1 := models.Region{Uid: "@test-san-francisco", Title: "TEST San Francisco"}
_, err = datastore.Put(c, datastore.NewKey(c, "Region", region1.Uid, 0, nil), ®ion1)
checkErr(err, "fail trying to insert")
region2 := models.Region{Uid: "@test-los-angeles", Title: "TEST Los Angeles"}
_, err = datastore.Put(c, datastore.NewKey(c, "Region", region2.Uid, 0, nil), ®ion2)
checkErr(err, "fail trying to insert")
restaurant1 := models.Restaurant{Uid: "@test-mcdonalds", Title: "TEST McDonalds", Tags: []string{"French Cuisine", "American"}, Regions: []string{region1.Uid}}
_, err = datastore.Put(c, datastore.NewKey(c, "Restaurant", restaurant1.Uid, 0, nil), &restaurant1)
checkErr(err, "fail trying to insert")
restaurant2 := models.Restaurant{Uid: "@test-In-N-Out", Tags: []string{"American"}, Regions: []string{region1.Uid, region2.Uid}}
_, err = datastore.Put(c, datastore.NewKey(c, "Restaurant", restaurant2.Uid, 0, nil), &restaurant2)
checkErr(err, "fail trying to insert")
restaurant3 := models.Restaurant{Uid: "@test-Wendys", Tags: []string{"American"}, Regions: []string{region2.Uid}}
_, err = datastore.Put(c, datastore.NewKey(c, "Restaurant", restaurant3.Uid, 0, nil), &restaurant3)
checkErr(err, "fail trying to insert")
log.Printf("... creation done")
}
return nil
}
func Clean(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
q := datastore.NewQuery("User").Limit(100)
x := make([]User, 0, 100)
k, err := q.GetAll(c, &x)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
datastore.DeleteMulti(c, k)
q2 := datastore.NewQuery("Pay").Limit(100)
x2 := make([]Pay, 0, 100)
k2, err2 := q2.GetAll(c, &x2)
if err2 != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
datastore.DeleteMulti(c, k2)
q3 := datastore.NewQuery("Trans").Limit(100)
x3 := make([]Trans, 0, 100)
k3, err3 := q3.GetAll(c, &x3)
if err3 != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
datastore.DeleteMulti(c, k3)
http.Redirect(w, r, "/admin", http.StatusFound)
}
func ClearAllUsersDB(c appengine.Context) {
q := datastore.NewQuery("User")
var us []db.User
// To retrieve the results,
// you must execute the Query using its GetAll or Run methods.
ks, err := q.GetAll(c, &us)
if err != nil {
fmt.Fprint(os.Stderr, "DB Error Getting All Users:"+err.Error()+"!\n\n")
log.Fatal(err)
return
}
err = datastore.DeleteMulti(c, ks)
if err != nil {
fmt.Fprint(os.Stderr, "DB Error Deleting All Users:"+err.Error()+"!\n\n")
log.Fatal(err)
return
}
q = datastore.NewQuery("Message")
var ms []db.Message
// To retrieve the results,
// you must execute the Query using its GetAll or Run methods.
ks, err = q.GetAll(c, &ms)
if err != nil {
fmt.Fprint(os.Stderr, "DB Error Getting All Messages:"+err.Error()+"!\n\n")
log.Fatal(err)
return
}
err = datastore.DeleteMulti(c, ks)
if err != nil {
fmt.Fprint(os.Stderr, "DB Error Deleting All Messages:"+err.Error()+"!\n\n")
log.Fatal(err)
return
}
q = datastore.NewQuery("Memo")
var mes []db.Memo
// To retrieve the results,
// you must execute the Query using its GetAll or Run methods.
ks, err = q.GetAll(c, &mes)
if err != nil {
fmt.Fprint(os.Stderr, "DB Error Getting All Messages:"+err.Error()+"!\n\n")
log.Fatal(err)
return
}
err = datastore.DeleteMulti(c, ks)
if err != nil {
fmt.Fprint(os.Stderr, "DB Error Deleting All Messages:"+err.Error()+"!\n\n")
log.Fatal(err)
return
}
}
func dummyData(r *http.Request, c appengine.Context) {
// Start by wiping out the data we're about to populate
// Delete all users
dq := datastore.NewQuery("User").KeysOnly()
d, _ := dq.GetAll(c, nil)
datastore.DeleteMulti(c, d)
// Delete all items
dq = datastore.NewQuery("Item").KeysOnly()
d, _ = dq.GetAll(c, nil)
datastore.DeleteMulti(c, d)
// Delete all comments
dq = datastore.NewQuery("Comment").KeysOnly()
d, _ = dq.GetAll(c, nil)
datastore.DeleteMulti(c, d)
// Delete all comments
dq = datastore.NewQuery("Vote").KeysOnly()
d, _ = dq.GetAll(c, nil)
datastore.DeleteMulti(c, d)
u1 := NewUser(c, "jwhardcastle", "password")
u2 := NewUser(c, "jhutton", "password")
u3 := NewUser(c, "rkavalsky", "password")
u4 := NewUser(c, "teej", "password")
i1 := NewItem(c, "Baltimore Museum of Industry, learn how a linotype works, among the city's industrial history", "This is a really cool museum that has lots of interesting displays.", "truck", "cadetblue", 39.273556, -76.601806, u1)
i2 := NewItem(c, "OPACY: Oriole Park at Camden Yards, Home of the Baltimore Orioles", "Camden Yards is the first of the modern \"retro\" stadiums that harkens back to an earlier age of Baseball", "sun-o", "orange", 39.283501, -76.6219798, u2)
c1 := NewComment(c, "We love going here!", u3, i2)
c2 := NewComment(c, "typography geek heaven", u4, i1)
c3 := NewComment(c, "Agreed! Among other things.", u1, c2)
votables := []Votable{i1, i2, c1, c2, c3}
for i := 0; i < 100; i++ {
u := NewUser(c, "user"+strconv.FormatInt(int64(i), 10), "")
for _, v := range votables {
var value = rand.Intn(5) - 1
if value == 0 {
continue
} else if value > 0 {
value = 1
}
NewVote(c, u, v, int8(value))
}
}
for _, v := range votables {
v.CountVotes(c)
}
}
func (this *ArticleMetaData) Delete(ctx Context) (err error) {
c := ctx.GAEContext
k := datastore.NewKey(c, "Article", this.Id, 0, nil)
err = datastore.RunInTransaction(c, func(c appengine.Context) error {
err = datastore.Get(c, k, this)
if err != nil {
return err
}
if len(this.Tags) > 0 {
tags := make([]Tags, len(this.Tags))
tagsKey := make([]*datastore.Key, len(this.Tags))
for id, tag := range this.Tags {
tags[id].ArticleId = this.Id
tags[id].Tag = tag
tagId := this.Id + tag
tagsKey[id] = datastore.NewKey(c, "Tags", tagId, 0, nil)
}
err = datastore.DeleteMulti(c, tagsKey)
if err != nil {
return err
}
}
err = datastore.Delete(c, k)
return err
}, &datastore.TransactionOptions{XG: true})
return err
}
func DeleteTweetsByHashtag(c appengine.Context, hashtag string) error {
c.Debugf("DeleteTweetsByHashtag")
q := datastore.NewQuery("Tweet").Filter("Hashtag =", hashtag).Order("Created_At").Limit(300)
var tweets []Tweet
keys, err := q.GetAll(c, &tweets)
if err != nil {
c.Errorf("DeleteTweetsByHashtag failed to get: %v", err)
return err
}
c.Debugf("DeleteTweetsByHashtag keys for delete: %v", keys)
for _, tweet := range tweets {
c.Infof("DeleteTweetsByHashtag tweet for delete: %v", tweet.Text)
}
if err = datastore.DeleteMulti(c, keys); err != nil {
c.Errorf("DeleteTweetsByHashtag failed to delete tweet: %v", err)
return err
}
//tweetを削除した結果、tweetが無かったら、Hashtagを削除する
length, err := datastore.NewQuery("Tweet").Filter("Hashtag =", hashtag).Count(c)
if err != nil {
c.Errorf("DeleteTweetsByHashtag failed to get count: %v", err)
return err
}
c.Debugf("DeleteTweetsByHashtag tweets length: %d", length)
if length == 0 {
c.Infof("DeleteTweetsByHashtag delete Hashtag: %s", hashtag)
if err := DeleteHashtag(c, hashtag); err != nil {
c.Errorf("DeleteTweetsByHashtag failed to delete hashtag: %v", err)
return err
}
}
return nil
}
// DELETEs the data it returns
func (db FlightDB) ExtractTrackFragments(icao string, callsign string) ([]f.Track, error) {
q := datastore.
NewQuery(kTrackFragmentKind).
Filter("Icao24 = ", icao).
Filter("Callsign = ", callsign)
ftfs := []f.FrozenTrackFragment{}
if keys, err := q.GetAll(db.C, &ftfs); err != nil {
return nil, err
} else {
out := []f.Track{}
for _, ftf := range ftfs {
t := f.Track{}
if err := t.Base64Decode(ftf.TrackBase64); err != nil {
return nil, err
}
out = append(out, t)
}
// OK, safe to delete !!
if true {
if err := datastore.DeleteMulti(db.C, keys); err != nil {
return nil, err
}
}
return out, nil
}
}
func expire(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
max := maxAge
if age := r.FormValue("age"); age != "" {
if ageDur, err := time.ParseDuration(age); err == nil {
max = ageDur
}
}
oldest := time.Now().Add(-max)
q := datastore.NewQuery("paste").
Filter("Pasted<=", oldest).
KeysOnly()
keys, err := q.GetAll(ctx, nil)
if err != nil {
ctx.Errorf("get: %s", err)
http.Error(w, "get: "+err.Error(), http.StatusInternalServerError)
return
}
ctx.Infof("Deleting %d entitites over %v old", len(keys), max)
if err := datastore.DeleteMulti(ctx, keys); err != nil {
ctx.Errorf("delete: %s", err)
http.Error(w, "delete: "+err.Error(), http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "OK")
}
func (db *Db) DeleteStoriesNotIn(ids []int) {
allKeys := db.getAllStoryKeys()
var keysToKeep = make([]*datastore.Key, len(ids))
for _, id := range ids {
keysToKeep = append(keysToKeep, db.keyForStory(id))
}
keysToRemove := db.findDiff(allKeys, keysToKeep)
db.context.Debugf("Found keys to remove: %v", keysToRemove)
if len(keysToRemove) > 0 {
// Delete comments for story
for _, key := range keysToRemove {
story := new(Story)
if err := datastore.Get(db.context, key, story); err != nil {
db.context.Errorf("Error getting story: %v", err)
} else {
db.deleteComments(story.Kids)
}
}
// Delete our story items
if err := datastore.DeleteMulti(db.context, keysToRemove); err != nil {
db.context.Errorf("Error deleting old stories: %v", err)
}
}
}
// DelQuery will delete (from datastore and memcache) all entities of type src that matches q.
// src must be a pointer to a struct type.
func DelQuery(c PersistenceContext, src interface{}, q *datastore.Query) (err error) {
var dataIds []*datastore.Key
results := reflect.New(reflect.SliceOf(reflect.TypeOf(src).Elem()))
dataIds, err = q.GetAll(c, results.Interface())
if err = FilterOkErrors(err); err != nil {
return
}
memcacheKeys := []string{}
var el reflect.Value
resultsSlice := results.Elem()
for index, dataId := range dataIds {
el = resultsSlice.Index(index)
var k key.Key
if k, err = gaekey.FromGAE(dataId); err != nil {
return
}
el.FieldByName("Id").Set(reflect.ValueOf(k))
if _, err = MemcacheKeys(c, el.Addr().Interface(), &memcacheKeys); err != nil {
return
}
if err = runProcess(c, el.Addr().Interface(), BeforeDeleteName, nil); err != nil {
return
}
}
if err = datastore.DeleteMulti(c, dataIds); err != nil {
return
}
for index, _ := range dataIds {
el = resultsSlice.Index(index)
if err = runProcess(c, el.Addr().Interface(), AfterDeleteName, nil); err != nil {
return
}
}
return memcache.Del(c, memcacheKeys...)
}
func deleteAllItem(rw http.ResponseWriter, req *http.Request) {
// To access datastore and to log
c := appengine.NewContext(req)
c.Infof("deleteAll()")
// Delete root entity after other entities
r := 0
pKey := datastore.NewKey(c, ItemKind, ItemRoot, 0, nil)
if keys, err := datastore.NewQuery(ItemKind).KeysOnly().GetAll(c, nil); err != nil {
c.Errorf("%s", err)
r = 1
} else if err := datastore.DeleteMulti(c, keys); err != nil {
c.Errorf("%s", err)
r = 1
} else if err := datastore.Delete(c, pKey); err != nil {
c.Errorf("%s", err)
r = 1
}
// Return status. WriteHeader() must be called before call to Write
if r == 0 {
rw.WriteHeader(http.StatusOK)
} else {
http.Error(rw, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
}
func Refresh(w http.ResponseWriter, r *http.Request) {
if extendMethod(r) == "GET" {
var account Account
q := datastore.NewQuery("Account")
for t := q.Run(c); ; {
_, err := t.Next(&account)
if err == datastore.Done {
break
}
if account.Verified() {
if account.Version() == 2 {
account.prepareOAuth2Connection(r)
}
switch account.Name {
case "github":
account.GetGithubUpdates(r)
case "linkedin":
account.GetLinkedInUpdates(r)
case "twitter":
account.GetTwitterUpdates(r)
case "xing":
account.GetXingUpdates(r)
}
}
}
q = datastore.NewQuery("Status").Order("-Created").Offset(100).KeysOnly()
keys, err := q.GetAll(c, nil)
if err == nil && len(keys) > 0 {
datastore.DeleteMulti(c, keys)
}
}
pageTemplate, _ := template.ParseFiles("templates/manage/refresh.txt")
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
pageTemplate.Execute(w, map[string]interface{}{"notice": session.Flashes()})
}
func deleteAll(ctx appengine.Context, kind string) error {
keys, err := datastore.NewQuery(kind).KeysOnly().GetAll(ctx, nil)
if err != nil {
return err
}
return datastore.DeleteMulti(ctx, keys)
}
func batchDestroy(c appengine.Context, w http.ResponseWriter, r *http.Request) {
keyStr := []string{}
z, err := gzip.NewReader(r.Body)
maybePanic(err)
d := json.NewDecoder(z)
maybePanic(d.Decode(&keyStr))
c.Infof("Got %v keys to destroy", len(keyStr))
keys := []*datastore.Key{}
for _, k := range keyStr {
key, err := datastore.DecodeKey(k)
if err != nil {
c.Errorf("Error decoding key: %v: %v", k, err)
http.Error(w, err.Error(), 500)
return
}
keys = append(keys, key)
}
err = datastore.DeleteMulti(c, keys)
if err != nil {
c.Infof("Error deleting things: %v", err)
http.Error(w, err.Error(), 500)
return
}
w.WriteHeader(204)
}
// deleteList deletes the list with the id given in the url if the user is
// logged in and is the creator of the list.
func deleteList(w io.Writer, r *http.Request) error {
c := appengine.NewContext(r)
// Decode the list id in the URL and check the current user is the creator.
key, creator, err := decode(mux.Vars(r)["list"])
if err != nil {
return err
}
if creator != user.Current(c).Email {
return appErrorf(http.StatusForbidden, "only %v can do this", creator)
}
// Delete all tasks in the list and the list itself in a transaction.
return datastore.RunInTransaction(c, func(c appengine.Context) error {
// Find all the tasks in the list.
taskKeys, err := datastore.NewQuery(taskKind).
Ancestor(key).KeysOnly().GetAll(c, nil)
if err != nil {
return fmt.Errorf("get all tasks in list: %v", err)
}
// Delete all the tasks in the list.
err = datastore.DeleteMulti(c, taskKeys)
if err != nil {
return fmt.Errorf("delete all tasks in list: %v", err)
}
// Delete the list itself.
return datastore.Delete(c, key)
}, nil)
}
// remove expired sessions in the datastore. you can call this function
// from a cron job.
//
// sample handler config in app.yaml:
// handlers:
// - url: /tasks/removeExpiredSessions
// script: _go_app
// login: admin
// - url: /.*
// script: _go_app
//
// handler registration code:
// http.HandleFunc("/tasks/removeExpiredSessions", removeExpiredSessionsHandler)
//
// sample handler:
// func removeExpiredSessionsHandler(w http.ResponseWriter, r *http.Request) {
// c := appengine.NewContext(r)
// gaesessions.RemoveExpiredDatastoreSessions(c, "")
// }
//
// sample cron.yaml:
// cron:
// - description: expired session removal job
// url: /tasks/removeExpiredSessions
// schedule: every 1 minutes
func RemoveExpiredDatastoreSessions(c appengine.Context, kind string) error {
keys, err := findExpiredDatastoreSessionKeys(c, kind)
if err != nil {
return err
}
return datastore.DeleteMulti(c, keys)
}
func developerHandler(w io.Writer, r *http.Request) error {
ctx := appengine.NewContext(r)
if r.Method == "GET" {
p, err := NewPage(ctx, "developer", nil)
if err != nil {
return fmt.Errorf("create developer page: %v", err)
}
return p.Render(w)
}
if r.Method != "POST" {
return fmt.Errorf("unsupported method %v", r.Method)
}
switch {
case r.FormValue("deleteall") == "yes":
kind := r.FormValue("kind")
keys, err := datastore.NewQuery(kind).KeysOnly().GetAll(ctx, nil)
if err != nil {
return fmt.Errorf("get keys to delete: %v", err)
}
if err := datastore.DeleteMulti(ctx, keys); err != nil {
return fmt.Errorf("delete keys: %v", err)
}
case len(r.FormValue("announcement")) > 0:
a := conf.NewAnnouncement(r.FormValue("announcement"))
if err := a.Save(ctx); err != nil {
return err
}
}
return RedirectTo("/developer")
}
func handleGC(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
// Delete closed CLs that haven't been modified in 168 hours (7 days).
cutoff := time.Now().Add(-168 * time.Hour)
q := datastore.NewQuery("CL").
Filter("Closed =", true).
Filter("Modified <", cutoff).
Limit(100).
KeysOnly()
keys, err := q.GetAll(c, nil)
if err != nil {
c.Errorf("GetAll failed for old CLs: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if len(keys) == 0 {
return
}
if err := datastore.DeleteMulti(c, keys); err != nil {
c.Errorf("DeleteMulti failed for old CLs: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
c.Infof("Deleted %d old CLs", len(keys))
}
func maybeGarbageCollect(c appengine.Context) {
var randByte [1]byte
_, err := io.ReadFull(rand.Reader, randByte[:])
if err != nil {
fmt.Fprintf(os.Stderr, "Error reading random byte: %s\n", err)
return
}
if randByte[0] >= 2 {
return
}
// Every one in 128 insertions we'll clean out expired postings.
q := datastore.NewQuery("Posting").Order("-Time").Limit(256)
var toDelete []*datastore.Key
for t := q.Run(c); ; {
var p Posting
key, err := t.Next(&p)
if err == datastore.Done {
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "Error from query: %s\n", err)
break
}
if !p.Expired() {
break
}
toDelete = append(toDelete, key)
}
if err := datastore.DeleteMulti(c, toDelete); err != nil {
fmt.Fprintf(os.Stderr, "Error from multi-delete: %s\n", err)
}
}
func DeleteFolder(c appengine.Context, ref FolderRef) error {
folderKey, err := ref.key(c)
if err != nil {
return err
}
// Get a list of relevant subscriptions
q := datastore.NewQuery("Subscription").Ancestor(folderKey).KeysOnly().Limit(defaultBatchSize)
subscriptionKeys, err := q.GetAll(c, nil)
if err != nil {
return err
}
// Delete folder & subscriptions
if err := datastore.Delete(c, folderKey); err != nil {
c.Errorf("Error deleting folder: %s", err)
return err
}
if subscriptionKeys == nil {
// No subscriptions; nothing more to do
return nil
}
if err := datastore.DeleteMulti(c, subscriptionKeys); err != nil {
c.Errorf("Error deleting subscriptions: %s", err)
return err
}
return nil
}
func UpdateMedia(c appengine.Context, entryKey *datastore.Key, entry *rss.Entry) error {
// Find and remove any existing media
q := datastore.NewQuery("EntryMedia").Filter("Entry =", entryKey).KeysOnly().Limit(40)
if entryMediaKeys, err := q.GetAll(c, nil); err != nil {
return err
} else if len(entryMediaKeys) > 0 {
if datastore.DeleteMulti(c, entryMediaKeys); err != nil {
return err
}
}
batchWriter := NewBatchWriter(c, BatchPut)
// Add media
for _, media := range entry.Media {
entryMediaKey := datastore.NewIncompleteKey(c, "EntryMedia", nil)
entryMedia := EntryMedia{
URL: media.URL,
Type: media.Type,
Entry: entryKey,
}
if err := batchWriter.Enqueue(entryMediaKey, &entryMedia); err != nil {
c.Errorf("Error queueing media for batch write: %s", err)
return err
}
}
if err := batchWriter.Flush(); err != nil {
c.Errorf("Error flushing batch queue: %s", err)
return err
}
return nil
}
func (builder *stepsBuilder) DeleteBatchFromDatastore(context appengine.Context) stream.EachFn {
return func(data stream.T) {
if err := datastore.DeleteMulti(context, data.(*DatastoreBatch).Keys); err != nil {
panic(err)
}
}
}
// DeleteMulti is a batched version of Delete.
func DeleteMulti(c appengine.Context, key []*datastore.Key) error {
errm := memcache.DeleteMulti(c, encodeKeys(key))
errd := datastore.DeleteMulti(c, key)
if errd != nil {
return errd
}
return errm
}
func (authen *Authen) DeleteUsers(userids []string) error {
var keys []*datastore.Key = make([]*datastore.Key, len(userids))
for i, id := range userids {
id = strings.ToLower(id)
keys[i] = datastore.NewKey(authen.c, AUTHEN, id, 0, nil)
}
return datastore.DeleteMulti(authen.c, keys)
}
func (s *Scale) DeleteScale(c appengine.Context) (err error) {
err = datastore.DeleteMulti(c, getIntKeys(c, "Valuation", s.ValuationIDs...))
if err != nil {
return
}
return datastore.Delete(c, datastore.NewKey(c, "Scale", "", s.ID, nil))
}
func deleteDoneTodos(c appengine.Context) error {
return datastore.RunInTransaction(c, func(c appengine.Context) error {
ks, err := datastore.NewQuery("Todo").KeysOnly().Ancestor(defaultTodoList(c)).Filter("Done=", true).GetAll(c, nil)
if err != nil {
return err
}
return datastore.DeleteMulti(c, ks)
}, nil)
}
func DelRooms(c appengine.Context, rooms []Room) error {
keys := make([]*datastore.Key, 0)
for _, room := range rooms {
keys = append(keys, datastore.NewKey(c, "Room", room.Name, 0, nil))
}
c.Debugf("Deleting Rooms: %+v", keys)
err := datastore.DeleteMulti(c, keys)
return err
}
func clearKind(c appengine.Context, kind string) {
q := datastore.NewQuery(kind).KeysOnly()
keys, err := q.GetAll(c, nil)
if err != nil {
panic(&appError{err, "Failed to fetch all " + kind, 500})
}
if err := datastore.DeleteMulti(c, keys); err != nil {
panic(&appError{err, "Failed to delete all " + kind, 500})
}
}
func handleWipe(w http.ResponseWriter, r *http.Request, c *Context) {
for typeName, _ := range types {
q := datastore.NewQuery(typeName).KeysOnly()
keys, err := q.GetAll(c.Aec(), nil)
CheckError(err)
CheckError(datastore.DeleteMulti(c.Aec(), keys))
}
c.DeleteSession()
RedirectWithMessage(w, r, "/", "Datastore has been wiped.")
}
// DeleteAllItems deletes all items from datastore
func DeleteAllItems(c appengine.Context) error {
q := datastore.NewQuery("Item").KeysOnly()
k, err := q.GetAll(c, nil)
if err != nil {
return nil
}
return datastore.DeleteMulti(c, k)
}