func syncStream(w http.ResponseWriter, r *http.Request, user *User) {
c := appengine.NewContext(r)
tr := transport(*user)
tr.Transport = &urlfetch.Transport{Context: c}
httpClient := tr.Client()
p, err := plus.New(httpClient)
if err != nil {
serveError(c, w, err)
return
}
latest := user.GoogleLatest
c.Debugf("syncStream: fetching for %s\n", user.Id)
activityFeed, err := p.Activities.List(user.Id, "public").MaxResults(5).Do()
if err != nil {
c.Debugf("syncStream: activity fetch failed for %s. Err: %v\n", user.Id, err)
return
}
for _, act := range activityFeed.Items {
published, _ := time.Parse(time.RFC3339, act.Published)
nPub := published.Nanoseconds()
c.Debugf("syncStream: user: %s, nPub: %v, Latest: %v\n", user.Id, nPub, user.GoogleLatest)
if nPub > user.GoogleLatest {
if user.HasFacebook() {
publishActivityToFacebook(w, r, act, user)
}
if user.HasTwitter() {
publishActivityToTwitter(w, r, act, user)
}
}
if nPub > latest {
latest = nPub
}
}
if latest > user.GoogleLatest {
user.GoogleLatest = latest
saveUser(r, user)
}
}
func googleCallbackHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
code := r.FormValue("code")
tr := emptyTransport()
tr.Transport = &urlfetch.Transport{Context: c}
if _, err := tr.Exchange(code); err != nil {
c.Debugf("tr: %v\n", tr.Token)
serveError(c, w, err)
return
}
// get info on the user
httpClient := tr.Client()
p, err := plus.New(httpClient)
if err != nil {
serveError(c, w, err)
return
}
person, err := p.People.Get("me").Do()
if err != nil {
serveError(c, w, err)
return
}
cookie := &http.Cookie{Name: "userId", Value: person.Id, Domain: appConfig.AppDomain, Path: "/", MaxAge: 30000000 /* about a year */}
http.SetCookie(w, cookie)
if session, err := sessions.Session(r, "", "datastore"); err == nil {
session["userID"] = person.Id
f := sessions.Save(r, w)
c.Debugf("callback: sessionSave: %v\n", f)
}
user := loadUser(r, person.Id)
if user.Id == "" {
user = User{Id: person.Id, GoogleAccessToken: tr.Token.AccessToken, GoogleTokenExpiry: tr.Token.TokenExpiry, GoogleRefreshToken: tr.Token.RefreshToken}
user.GoogleLatest = time.Nanoseconds()
}
saveUser(r, &user)
http.Redirect(w, r, "/", http.StatusFound)
}
// Displays the home page.
func homeHandler(w http.ResponseWriter, r *http.Request) {
if appConfig.AppHost == "" {
appConfig.AppHost = r.Host
}
c := appengine.NewContext(r)
if r.Method != "GET" || r.URL.Path != "/" {
serve404(w)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
params := make(map[string]string)
// Look for a browser cookie containing the user id
// We can use this to load the user information
userCookie, err := r.Cookie("userId")
var user User
if err == nil {
user = loadUser(r, userCookie.Value)
}
c.Debugf("loadUser: %v\n", user)
if user.Id != "" {
if session, err := sessions.Session(r, "", "datastore"); err == nil {
session["userID"] = user.Id
f := sessions.Save(r, w)
c.Debugf("saveSession: %v\n", f)
}
if user.TwitterId != "" {
item := new(memcache.Item)
item, err := memcache.Get(c, "pic"+user.Id)
if err != nil {
// get the user profile pic
conf := &tweetlib.Config{
ConsumerKey: appConfig.TwitterConsumerKey,
ConsumerSecret: appConfig.TwitterConsumerSecret}
tok := &tweetlib.Token{
OAuthSecret: user.TwitterOAuthSecret,
OAuthToken: user.TwitterOAuthToken}
tr := &tweetlib.Transport{Config: conf,
Token: tok,
Transport: &urlfetch.Transport{Context: c}}
tl, _ := tweetlib.New(tr.Client())
u, err := tl.Users.Show().UserId(user.TwitterId).Do()
if err == nil {
params["pic"] = u.ProfileImageUrl
memcache.Add(c, &memcache.Item{Key: "pic" + user.Id, Value: []byte(u.ProfileImageUrl)})
}
} else {
params["pic"] = string(item.Value)
}
}
params["twitterid"] = user.TwitterId
params["twittername"] = user.TwitterScreenName
params["googleid"] = user.Id
params["fbid"] = user.FBId
params["fbname"] = user.FBName
mu := memUser(c, user.Id)
if mu.Name == "" {
tr := transport(user)
tr.Transport = &urlfetch.Transport{Context: c}
p, _ := plus.New(tr.Client())
person, err := p.People.Get(user.Id).Do()
c.Debugf("Home people get: %v,(%v)\n", person, err)
if err == nil {
mu.Image = person.Image.Url
mu.Name = person.DisplayName
memUserSave(c, user.Id, mu)
}
}
params["googleimg"] = mu.Image
params["googlename"] = mu.Name
}
if err := templates.Execute(w, "home", params); err != nil {
serveError(c, w, err)
c.Errorf("%v", err)
return
}
}