func GetBuriggies(c appengine.Context, count int) (buriggies []*Buriggie, err error) {
var gg []*Buriggie
var cacheKey = "buriggies.list." + strconv.Itoa(count)
// Get the item from the memcache
if item, err := memcache.Get(c, cacheKey); err == memcache.ErrCacheMiss {
// cache miss.. ADD to cache
q := datastore.NewQuery("Greeting").Order("-Date").Limit(count)
_, err = q.GetAll(c, &gg)
qjs, _ := json.Marshal(gg)
cache_duration, _ := time.ParseDuration("1d")
// Create an Item - cache for a day
item := &memcache.Item{
Key: cacheKey,
Value: qjs,
Expiration: cache_duration,
}
if err := memcache.Add(c, item); err != nil {
c.Errorf("error setting item: %v", err)
}
} else if err != nil {
c.Errorf("error getting item: %v", err)
} else {
err = json.Unmarshal(item.Value, &gg)
}
return gg, err
}
func getCached(c appengine.Context, key string, missing func(appengine.Context, string) (*bytes.Buffer, error)) (*memcache.Item, error) {
item, err := memcache.Get(c, key)
if err == memcache.ErrCacheMiss {
c.Infof("item not in the cache: %v", key)
result, err := missing(c, key)
if err != nil {
return nil, err
}
item = &memcache.Item{
Key: key,
Value: result.Bytes(),
}
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Warningf("item with key %q already exists", item.Key)
} else if err != nil {
return item, err
}
} else if err != nil {
return item, err
} else {
c.Infof("Cache hit: %v", key)
}
return item, nil
}
func signInTwitterHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
id := r.FormValue("id")
if id == "" {
serveError(c, w, errors.New("Missing ID parameter"))
return
}
conf := &tweetlib.Config{
ConsumerKey: appConfig.TwitterConsumerKey,
ConsumerSecret: appConfig.TwitterConsumerSecret,
Callback: "http://" + appConfig.AppHost + "/twitter?action=temp&id=" + id}
tok := &tweetlib.Token{}
tr := &tweetlib.Transport{Config: conf,
Token: tok,
Transport: &urlfetch.Transport{Context: c}}
tt, err := tr.TempToken()
if err != nil {
c := appengine.NewContext(r)
serveError(c, w, err)
c.Errorf("%v", err)
return
}
item := &memcache.Item{
Key: tt.Token,
Value: []byte(tt.Secret),
}
// Add the item to the memcache, if the key does not already exist
memcache.Add(c, item)
http.Redirect(w, r, tt.AuthURL(), http.StatusFound)
}
func cacheSafeSet(c appengine.Context, item *memcache.Item) error {
var buf bytes.Buffer
err := gob.NewEncoder(&buf).Encode(item.Object)
if err != nil {
return err
}
swap := item.Value != nil
item.Value = buf.Bytes()
if swap {
err = memcache.CompareAndSwap(c, item)
switch err {
case memcache.ErrCASConflict:
// OK, cache item set by another request
return nil
case memcache.ErrNotStored:
// Item expired. Try adding below.
default:
return err
}
}
err = memcache.Add(c, item)
if err == memcache.ErrNotStored {
// OK, cache item set by another request
err = nil
}
return err
}
func updateCacheTime(c appengine.Context, seq int64) {
const key = rootMemcacheKey
bseq := []byte(strconv.FormatInt(seq, 10))
for tries := 0; tries < 10; tries++ {
item, err := memcache.Get(c, key)
if err != nil {
c.Infof("memcache.Get %q: %v", key, err)
err = memcache.Add(c, &memcache.Item{Key: key, Value: bseq})
if err == nil {
c.Infof("memcache.Add %q %q ok", key, bseq)
return
}
c.Infof("memcache.Add %q %q: %v", key, bseq, err)
}
v, err := strconv.ParseInt(string(item.Value), 10, 64)
if err != nil {
c.Criticalf("memcache.Get %q = %q (%v)", key, item.Value, err)
return
}
if v >= seq {
return
}
item.Value = bseq
err = memcache.CompareAndSwap(c, item)
if err == nil {
c.Infof("memcache.CAS %q %d->%d ok", key, v, seq)
return
}
c.Infof("memcache.CAS %q %d->%d: %v", key, v, seq, err)
}
c.Criticalf("repeatedly failed to update root key")
}
func MemoAdd(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
if err := r.ParseForm(); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
key := r.PostFormValue("key")
value := r.PostFormValue("value")
c.Debugf("key = %s, value = %s", key, value)
if key == "" || value == "" {
http.Error(w, "key or value param error", http.StatusInternalServerError)
return
}
// 有効期限1分
item := &memcache.Item{
Key: key,
Value: bytes.NewBufferString(value).Bytes(),
Expiration: (time.Minute * 1),
}
if err := memcache.Add(c, item); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
} else {
http.Redirect(w, r, "/", http.StatusSeeOther)
}
}
func sendReminder(c appengine.Context, date time.Time) {
addr := "*****@*****.**"
tag := fmt.Sprintf("diaryentry%dtag", rand.Int63())
item := &memcache.Item{
Key: tag,
Value: []byte(date.Format(time.RFC850)),
}
// Add the item to the memcache, if the key does not already exist
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Infof("item with key %q already exists", item.Key)
} else if err != nil {
c.Errorf("error adding item: %v", err)
}
msg := &mail.Message{
Sender: "Automatic Diary <*****@*****.**>",
To: []string{addr},
Subject: "Entry reminder",
Body: fmt.Sprintf(reminderMessage, tag),
}
if err := mail.Send(c, msg); err != nil {
c.Errorf("Couldn't send email: %v", err)
return
}
c.Infof("Reminder mail sent for %v", date)
c.Infof("body: %v", msg.Body)
}
// Lista entidades
func ListEnt(c appengine.Context, ent string) *[]Entidad {
estados := make([]Entidad, 0, 32)
if item, err := memcache.Get(c, "estados"); err == memcache.ErrCacheMiss {
q := datastore.NewQuery("Entidad")
if _, err := q.GetAll(c, &estados); err != nil {
return nil
}
b, _ := json.Marshal(estados)
item := &memcache.Item{
Key: "estados",
Value: b,
}
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Errorf("memcache.Add Entidad : %v", err)
}
} else {
//c.Infof("Memcache activo: %v", item.Key)
if err := json.Unmarshal(item.Value, &estados); err != nil {
c.Errorf("Memcache Unmarshalling item: %v", err)
}
}
for i, _ := range estados {
if ent == estados[i].CveEnt {
estados[i].Selected = `selected`
}
}
return &estados
}
func cat(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
w.Header().Set("Content-Type", "application/json")
switch r.Method {
case "GET":
var jsonResult []byte
if item, err := memcache.Get(c, CAT); err == memcache.ErrCacheMiss {
q := datastore.NewQuery("Package").Filter("Accepted =", true)
var packages []*Package
if _, err := q.GetAll(c, &packages); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
var categories Categories
for _, pkg := range packages {
if strings.TrimSpace(pkg.Category) != "" {
categories = categories.Add(pkg.Category)
}
}
if jsonResult, err = json.Marshal(categories); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
memcache.Add(c, &memcache.Item{Key: CAT, Value: jsonResult})
} else {
jsonResult = item.Value
}
w.Write(jsonResult)
}
}
func ListCat(c appengine.Context, IdCat int) *[]Categoria {
var categorias []Categoria
if item, err := memcache.Get(c, "categorias"); err == memcache.ErrCacheMiss {
q := datastore.NewQuery("Categoria")
//n, _ := q.Count(c)
//cats := make([]Categoria, 0, n)
if _, err := q.GetAll(c, &categorias); err != nil {
return nil
}
b, _ := json.Marshal(categorias)
item := &memcache.Item{
Key: "categorias",
Value: b,
}
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Errorf("memcache.Add Categoria : %v", err)
}
} else {
c.Infof("Memcache activo: %v", item.Key)
if err := json.Unmarshal(item.Value, &categorias); err != nil {
c.Errorf("Memcache Unmarchalling item: %v", err)
}
}
for i, _ := range categorias {
if IdCat == categorias[i].IdCat {
categorias[i].Selected = `selected`
}
}
return &categorias
}
func SetTokenHandler(rw http.ResponseWriter, req *http.Request) {
c := appengine.NewContext(req)
authorizationCode := req.FormValue("code")
transport := &oauth.Transport{
Config: config,
Transport: &urlfetch.Transport{
Context: c,
},
}
token, err := transport.Exchange(authorizationCode)
if err != nil {
fmt.Fprintf(rw, "%s", err.Error())
return
}
// トークン情報の一時保存
value, err := json.Marshal(token)
if err != nil {
fmt.Fprintf(rw, "%s", err.Error())
return
}
item := &memcache.Item{
Key: tokenCacheKey,
Value: value,
}
err = memcache.Add(c, item)
if err != nil {
fmt.Fprintf(rw, "%s", err.Error())
return
}
fmt.Fprintf(rw, "Success.")
}
func (fi *FileInfo) CreateThumbnail(r io.Reader, c appengine.Context) (data []byte, err os.Error) {
defer func() {
if rec := recover(); rec != nil {
log.Println(rec)
// 1x1 pixel transparent GIf, bas64 encoded:
s := "R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="
data, _ = base64.StdEncoding.DecodeString(s)
fi.ThumbnailUrl = "data:image/gif;base64," + s
}
memcache.Add(c, &memcache.Item{
Key: string(fi.Key),
Value: data,
Expiration: EXPIRATION_TIME,
})
}()
img, _, err := image.Decode(r)
check(err)
if bounds := img.Bounds(); bounds.Dx() > THUMBNAIL_MAX_WIDTH ||
bounds.Dy() > THUMBNAIL_MAX_HEIGHT {
w, h := THUMBNAIL_MAX_WIDTH, THUMBNAIL_MAX_HEIGHT
if bounds.Dx() > bounds.Dy() {
h = bounds.Dy() * h / bounds.Dx()
} else {
w = bounds.Dx() * w / bounds.Dy()
}
img = resize.Resize(img, img.Bounds(), w, h)
}
var b bytes.Buffer
err = png.Encode(&b, img)
check(err)
data = b.Bytes()
fi.ThumbnailUrl = "data:image/png;base64," +
base64.StdEncoding.EncodeToString(data)
return
}
func municipios(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
_, ok := sess.IsSess(w, r, c)
if ok {
if item, err := memcache.Get(c, "msp_"+r.FormValue("CveEnt")); err == memcache.ErrCacheMiss {
if entidad, err := model.GetEntidad(c, r.FormValue("CveEnt")); err == nil {
if municipios, _ := entidad.GetMunicipios(c); err == nil {
b, _ := json.Marshal(municipios)
item := &memcache.Item{
Key: "msp_" + r.FormValue("CveEnt"),
Value: b,
}
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Infof("item with key %q already exists", item.Key)
} else if err != nil {
c.Errorf("Error memcache.Add Municipio : %v", err)
}
c.Infof("CveMun generado: %v", item.Key)
htmlComboMuns(w, municipios, r.FormValue("CveMun"))
}
}
} else {
//c.Infof("Memcache activo: %v", item.Key)
var municipios []model.Municipio
if err := json.Unmarshal(item.Value, &municipios); err != nil {
c.Errorf("error adding item: %v", err)
}
htmlComboMuns(w, &municipios, r.FormValue("CveMun"))
}
}
return
}
func updateHandler(w http.ResponseWriter, r *http.Request) {
c := gae.NewContext(r)
g := goon.FromContext(c)
if r.Header.Get("X-AppEngine-Cron") != "true" {
http.NotFound(w, r)
return
}
var ups []UpdateSchedule
if cache, err := memcache.Get(c, "UpdateSchedule"); err == memcache.ErrCacheMiss {
q := datastore.NewQuery("UpdateSchedule")
if _, err := g.GetAll(q, &ups); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if val, err := serialize(&ups); err == nil {
item := memcache.Item{Key: "UpdateSchedule", Value: val, Expiration: time.Hour * 12}
memcache.Add(c, &item)
}
} else if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
} else {
deserialize(cache.Value, &ups)
}
now := time.Now()
for _, us := range ups {
if us.IsUpdateTime(now) {
if err := updateVillage(us, g); err != nil {
c.Debugf("%v", err)
}
memcache.Delete(c, "UpdateSchedule")
}
}
return
}
func abstractHandler(w http.ResponseWriter, r *http.Request) {
// If the requested pic with the requested logo has already been generated, then use the cached version
ctx := appengine.NewContext(r)
originalImageUrl := r.URL.Query().Get("img")
logoImageUrl := r.URL.Query().Get("logo")
if logoImageUrl == "" {
logoImageUrl = "brazz"
}
if MEMCACHE_ENABLED {
item, err := memcache.Get(ctx, logoImageUrl+":"+originalImageUrl)
if err != nil {
ctx.Infof("Retrieved [%s:%s] from memcache\n", logoImageUrl, originalImageUrl)
w.Header().Set("Content-Type", "image/png")
w.Write(item.Value)
return
}
}
// Load the logo image
logoImage, err := imageutils.FetchLogoImage(logoImageUrl)
if err != nil {
logoImage, err = imageutils.FetchImage(ctx, logoImageUrl, imageutils.TARGET_LOGO_WIDTH)
}
if err != nil {
message := fmt.Sprintf("Unable to load logo image file: %s\n", err)
ctx.Errorf(message)
fmt.Fprintf(w, message)
return
}
// Fetch the source image
originalImage, err := imageutils.FetchImage(ctx, originalImageUrl, imageutils.TARGET_IMAGE_WIDTH)
if err != nil {
message := fmt.Sprintf("An error occurred: %s\n", err)
ctx.Errorf(message)
fmt.Fprintf(w, message)
return
}
// Generate and return an image with logo over the source
generatedImage := imageutils.GenerateImageWithLogo(originalImage, logoImage)
generatedImageBytes, err := imageutils.ImageToBytes(generatedImage)
if err != nil {
message := fmt.Sprintf("An error occured: %s\n", err)
ctx.Errorf(message)
fmt.Fprintf(w, message)
return
}
// Cache the generated image bytes before sending them in the HTTP response
if MEMCACHE_ENABLED {
item := &memcache.Item{
Key: logoImageUrl + ":" + originalImageUrl,
Value: generatedImageBytes,
}
memcache.Add(ctx, item)
ctx.Infof("Caching [%s:%s]\n", logoImageUrl, originalImageUrl)
}
ctx.Infof("Serving up [%s:%s]\n", logoImageUrl, originalImageUrl)
w.Header().Set("Content-Type", "image/png")
w.Write(generatedImageBytes)
}
/*
* This exported functions returns (and if needed, generates) a token
*/
func GetToken(r *http.Request) string {
c := appengine.NewContext(r)
u := user.Current(c)
// CSRF Token name
csrfTokenUserID := "CSRF" + u.ID
// Get the item from the memcache
if item, err := memcache.Get(c, csrfTokenUserID); err == nil {
// Return the token
return string(item.Value)
}
// Get the item from the datastore
key := datastore.NewKey(c, "SecurityToken", csrfTokenUserID, 0, nil)
var datastoreSecurityToken SecurityToken
if err := datastore.Get(c, key, &datastoreSecurityToken); err == nil {
// Add it to memcache
item := &memcache.Item{
Key: csrfTokenUserID,
Value: []byte(datastoreSecurityToken.Token),
}
memcache.Add(c, item)
// Return the token
return datastoreSecurityToken.Token
}
// Generate a item
csrfToken := makeRandomString(256)
// Save it to the memcache
item := &memcache.Item{
Key: csrfTokenUserID,
Value: []byte(csrfToken),
}
memcache.Add(c, item)
// Save it to the datastore
SecurityToken := SecurityToken{
Token: csrfToken,
}
datastore.Put(c, datastore.NewKey(c, "SecurityToken", u.ID, 0, nil), &SecurityToken)
return csrfToken
}
func (session *Session) CheckCache(id string) bool {
item := &memcache.Item{
Key: id,
Value: []byte(""),
}
// Add the item to the memcache, if the key does not already exist
if err := memcache.Add(session.context, item); err == memcache.ErrNotStored {
return true
}
return false
}
// PostAndTimeByID returns a PostAndTime for the requested id
func PostAndTimeByID(c appengine.Context, id int64) PostAndTime {
memcacheKey := "posts_and_time" + strconv.FormatInt(id, 10)
c.Infof("cs253: Post and time by id memcache key is: %v ", memcacheKey)
var postAndTime PostAndTime
c.Infof("cs253: query cache first with memcache key")
if item, err := memcache.Get(c, memcacheKey); err == memcache.ErrCacheMiss {
c.Infof("cs253: item not in the cache :%v will perform query instead", err)
key := datastore.NewKey(c, "Post", "", id, nil)
c.Infof("cs253: key to use: v%", key)
if err := datastore.Get(c, key, &postAndTime.Post); err != nil {
c.Errorf("cs253: post not found : %v", err)
}
c.Infof("cs253: get time:")
postAndTime.Cache_hit_time = time.Now()
c.Infof("cs253: time is: %v", postAndTime.Cache_hit_time)
// record information in cache for next time
mCache := new(bytes.Buffer)
encCache := gob.NewEncoder(mCache)
c.Infof("cs253: New Encoder done")
encCache.Encode(postAndTime)
c.Infof("cs253: Encode done")
postItem := &memcache.Item{
Key: memcacheKey,
Value: mCache.Bytes(),
}
c.Infof("cs253: memcache Item ready")
if err := memcache.Add(c, postItem); err == memcache.ErrNotStored {
c.Errorf("cs253: postAndTime with key %q already exists", item.Key)
} else if err != nil {
c.Errorf("error adding item: %v", err)
}
c.Infof("cs253: item read to be returned")
} else if err != nil {
c.Errorf("cs253: Memcache error getting item: %v", err)
} else {
c.Infof("cs253: Memcache item found")
pCache := bytes.NewBuffer(item.Value)
c.Infof("cs253: New Buffer ready")
decCache := gob.NewDecoder(pCache)
c.Infof("cs253: decoder ready")
decCache.Decode(&postAndTime)
c.Infof("cs253: gob decoder of item done")
}
return postAndTime
}
func servePresentation(w http.ResponseWriter, r *http.Request) error {
c := appengine.NewContext(r)
importPath := r.URL.Path[1:]
item, err := memcache.Get(c, importPath)
if err == nil {
writeHTMLHeader(w, 200)
w.Write(item.Value)
return nil
} else if err != memcache.ErrCacheMiss {
return err
}
c.Infof("Fetching presentation %s.", importPath)
pres, err := gosrc.GetPresentation(httpClient(r), importPath)
if err != nil {
return err
}
ctx := &present.Context{
ReadFile: func(name string) ([]byte, error) {
if p, ok := pres.Files[name]; ok {
return p, nil
}
return nil, presFileNotFoundError(name)
},
}
doc, err := ctx.Parse(bytes.NewReader(pres.Files[pres.Filename]), pres.Filename, 0)
if err != nil {
return err
}
var buf bytes.Buffer
if err := renderPresentation(&buf, importPath, doc); err != nil {
return err
}
if err := memcache.Add(c, &memcache.Item{
Key: importPath,
Value: buf.Bytes(),
Expiration: time.Hour,
}); err != nil {
return err
}
writeHTMLHeader(w, 200)
_, err = w.Write(buf.Bytes())
return err
}
/*
* This function will save the data in the memcache and the datastore
*/
func AddCache(r *http.Request, identifier string, data []byte) {
c := appengine.NewContext(r)
// Add it to the memcache
item := &memcache.Item{
Key: identifier,
Value: data,
}
memcache.Add(c, item)
// Add it to the Datastore
cache := Cache{
Cached: data,
}
datastore.Put(c, datastore.NewKey(c, "Cache", identifier, 0, nil), &cache)
}
func ShowEmpSucs(w http.ResponseWriter, r *http.Request) {
var timetolive = 7200 //seconds
c := appengine.NewContext(r)
var b []byte
cachename := "sucs_" + r.FormValue("id")
if item, err := memcache.Get(c, cachename); err == memcache.ErrCacheMiss {
emsucs := model.GetEmpSucursales(c, r.FormValue("id"))
if emsucs == nil {
w.WriteHeader(http.StatusNotFound)
return
}
wssucs := make([]wssucursal, len(*emsucs), cap(*emsucs))
for i, v := range *emsucs {
wssucs[i].IdSuc = v.IdSuc
wssucs[i].Sucursal = v.Nombre
wssucs[i].DirCalle = v.DirCalle
wssucs[i].DirCol = v.DirCol
wssucs[i].DirEnt = v.DirEnt
wssucs[i].Latitud, _ = strconv.ParseFloat(v.Geo1, 64)
wssucs[i].Longitud, _ = strconv.ParseFloat(v.Geo2, 64)
}
sortutil.AscByField(wssucs, "Sucursal")
b, _ = json.Marshal(wssucs)
item := &memcache.Item{
Key: cachename,
Value: b,
Expiration: time.Duration(timetolive) * time.Second,
}
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Errorf("memcache.Add %v : %v", cachename, err)
if err := memcache.Set(c, item); err == memcache.ErrNotStored {
c.Errorf("Memcache.Set %v : %v", cachename, err)
} else {
c.Infof("memcached %v", cachename)
}
} else {
c.Infof("memcached %v", cachename)
}
} else {
c.Infof("memcache retrieve sucs_idemp : %v", r.FormValue("id"))
b = item.Value
}
w.Header().Set("Content-Type", "application/json")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Write(b)
}
func (l *RateLimited) Run(key string, f func()) error {
item := mc.Item{
Key: key,
Value: []byte{0xff},
Expiration: l.rate,
}
if err := mc.Add(l.context, &item); err != mc.ErrNotStored {
l.context.Debugf("Executing function (err: %v)", err)
f()
return nil
} else {
l.context.Infof("Rejected function (err: %v)", err)
return ErrOverQuota
}
}
// Store content in memcache, logging and discarding errors.
func storeInCache(c appengine.Context, key string, content []byte, ttl int) error {
if appengine.IsDevAppServer() {
c.Infof("This is a dev appserver, ignoring TTL of %d", ttl)
ttl = 1
}
item := &memcache.Item{
Key: key,
Value: content,
Expiration: time.Duration(ttl) * time.Second,
}
c.Infof("Caching contents of %s for %s", item.Key, item.Expiration)
err := memcache.Add(c, item)
if err != nil {
c.Errorf("error adding %v to cache: %v", item, err)
}
return err
}
func ShowMicrositio(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.Header().Set("Access-Control-Allow-Origin", "*")
var timetolive = 7200 //seconds
c := appengine.NewContext(r)
var b []byte
var m micrositio
cachename := "m_" + r.FormValue("id")
if item, err := memcache.Get(c, cachename); err == memcache.ErrCacheMiss {
if e := model.GetEmpresa(c, r.FormValue("id")); e != nil {
m.IdEmp = e.IdEmp
m.Name = e.Nombre
if imgo := model.GetLogo(c, r.FormValue("id")); imgo != nil {
m.IdImg = imgo.IdImg
m.Url = imgo.Url
m.Sp1 = imgo.Sp1
m.Sp2 = imgo.Sp2
m.Sp4 = imgo.Sp4
m.Desc = imgo.Desc
}
}
b, _ = json.Marshal(m)
item := &memcache.Item{
Key: cachename,
Value: b,
Expiration: time.Duration(timetolive) * time.Second,
}
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Errorf("memcache.Add %v : %v", cachename, err)
if err := memcache.Set(c, item); err == memcache.ErrNotStored {
c.Errorf("Memcache.Set %v : %v", cachename, err)
} else {
c.Infof("memcached %v", cachename)
}
} else {
c.Infof("memcached %v", cachename)
}
} else {
//c.Infof("memcache retrieve m_idoft : %v", r.FormValue("id"))
b = item.Value
}
w.Write(b)
}
func bucketNotificationHandler(w http.ResponseWriter, r *http.Request) error {
c := appengine.NewContext(r)
// Decode the name and bucket of the notification
var n struct {
Name string `json:"name"`
Bucket string `json:"bucket"`
}
err := json.NewDecoder(r.Body).Decode(&n)
if err != nil {
return fmt.Errorf("invalid notification: %v", err)
}
// handle duplicated notifications, drop keys after 5 minutes
item := &memcache.Item{
Key: "notify:" + n.Bucket + "/" + n.Name,
Expiration: 5 * time.Minute,
Value: []byte{},
}
switch err := memcache.Add(c, item); err {
case memcache.ErrNotStored:
// the key existed already, dup notification
c.Infof("duplicated notification for %q", item.Key)
return nil
case nil:
c.Infof("first time notification for %q", item.Key)
// first time we see this key
default:
c.Errorf("add notification to memcache: %v", err)
}
// Add a new task to the queue
t := taskqueue.NewPOSTTask("/notice/incoming-image", map[string][]string{
"bucket": {n.Bucket},
"name": {n.Name},
})
_, err = taskqueue.Add(c, t, "new-images")
if err != nil {
return fmt.Errorf("add task to queue: %v", err)
}
fmt.Fprintln(w, "OK")
return nil
}
func getStars(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
//w.Header().Set("SUPER-HACK", "@GDGNANTES")
//w.WriteHeader(http.StatusFound)
c := appengine.NewContext(r)
login, _ := url.QueryUnescape(r.FormValue("login"))
//favs := r.FormValue("favs")
// Mise en cache direct du spreadsheet
keyMemCache := "favs" + login
item, err := memcache.Get(c, keyMemCache)
var strJson []byte
if err == memcache.ErrCacheMiss || err != nil {
// Si c'est pas en cache, on regarde si c'est en base
var user User
keyUser := datastore.NewKey(c, "User", keyMemCache, 0, nil)
if err := datastore.Get(c, keyUser, &user); err != nil {
// Si c'est pas présent en base, alors on renvoie un tableau vide
user = User{
Login: login,
Favs: []string{},
}
}
tmpStrJson, _ := json.Marshal(user)
strJson = tmpStrJson
itemValue := &memcache.Item{
Key: keyMemCache,
Value: strJson,
}
// On ajoute dans le memcache
if err := memcache.Add(c, itemValue); err == memcache.ErrNotStored {
c.Infof("itemValue with key %q already exists", itemValue.Key)
} else if err != nil {
c.Errorf("error adding itemValue: %v", err)
}
} else {
strJson = item.Value
}
fmt.Fprintf(w, "%s\n", strJson)
}
func handler_thumb(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
c := appengine.NewContext(r)
name := r.FormValue("id")
var thumb Thumbnail
if item, err := memcache.Get(c, name); err == nil {
thumb = Thumbnail{Name: item.Key, Pic: item.Value}
} else {
q := datastore.NewQuery("Thumbnail").Filter("Name =", name)
for t := q.Run(c); ; {
_, err := t.Next(&thumb)
if err != nil {
fmt.Fprint(w, "<html><head> ", style, "<title>;(</title></head><body>")
fmt.Fprint(w, "<h4>can't find thumb for ", name)
return
}
// Add the item to the memcache, if the key does not already exist
item := &memcache.Item{
Key: name,
Value: thumb.Pic,
}
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Warningf("item with key %q already exists", item.Key)
} else if err != nil {
c.Warningf("error adding item: %v", err)
}
break
}
}
if thumb.Pic == nil {
fmt.Fprint(w, "<html><head> ", style, "<title>;(</title></head><body>")
fmt.Fprint(w, "<h4>can't find thumb for ", name)
return
}
w.Header().Set("Content-Type", "image/jpeg")
w.Header().Set("Content-Length", fmt.Sprintf("%v", len(thumb.Pic)))
io.Copy(w, bytes.NewBuffer(thumb.Pic))
}
// Save saves the session in the response.
func (s *MemcacheSessionStore) Save(r *http.Request, w http.ResponseWriter,
key string, info *sessions.SessionInfo) (flag bool, err error) {
sid, serialized, error := getIdAndData(info)
if error != nil {
err = error
return
}
// Add the item to the memcache, if the key does not already exist.
err = memcache.Add(appengine.NewContext(r), &memcache.Item{
Key: sessionKey(sid),
Value: serialized,
})
if err != nil {
return
}
return sessions.SetCookie(s, w, key, cloneInfo(info, sid))
}
func handler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
client := urlfetch.Client(c)
roomId := ROOM_ID
cwClient := chatwork.NewClient(TOKEN)
cwClient.HttpClient = client
messages := cwClient.RoomMessages(roomId, map[string]string{
"force": "1",
})
//contents, _ := ioutil.ReadAll(resp.Body)
//fmt.Fprint(w, string(contents))
//if err != nil {
// w.WriteHeader(http.StatusInternalServerError)
// fmt.Fprint(w, err.Error())
// return
// }
item := &memcache.Item{
Key: "lastTime",
Value: []byte("0"),
}
memcache.Add(c, item)
lastTimeItem, _ := memcache.Get(c, "lastTime")
lastTime, _ := strconv.ParseInt(string(lastTimeItem.Value[:]), 10, 64)
for i, _ := range messages {
message := messages[i]
if lastTime != 0 && message.SendTime > lastTime {
// message := messages[len(messages) - 1]
body, _ := domain(message, "^画像 (.*)", client, handlerSearchGoogle)
if body != nil {
cwClient.PostRoomMessage(roomId, *body)
}
}
}
lastMessage := messages[len(messages)-1]
item.Value = []byte(strconv.FormatInt(lastMessage.SendTime, 10))
memcache.Set(c, item)
}
func parseDate(c appengine.Context, feed *Feed, ds ...string) (t time.Time, err error) {
for _, d := range ds {
d = strings.TrimSpace(d)
if d == "" {
continue
}
for _, f := range dateFormats {
if t, err = time.Parse(f, d); err == nil {
return
}
}
df := memcache.Item{
Key: fmt.Sprintf("_dateformat-%v", rand.Int63n(dateFormatCount)),
Value: []byte(fmt.Sprintf("%v|%v", d, feed.Url)),
}
memcache.Add(c, &df)
}
err = fmt.Errorf("could not parse date: %v", strings.Join(ds, ", "))
return
}