func (s MySuite) SetUpSuite(c *gocheck.C) {
d, err := Connect("")
if err != nil {
c.Fatalf("Unable to connect to database!")
}
db = d
// create a test user
u := User{ID: bson.NewObjectId(), Email: "*****@*****.**", Phone: "5555555555"}
err = db.Users.Insert(u)
if err != nil {
c.Fatalf("Can't insert document: %v\n", err)
}
// create a test notification
n := Notification{ID: bson.NewObjectId(),
Type: "text",
Team: "7332",
User: "******",
Advance: true,
Award: true,
Alliance: true,
}
err = db.Notifications.Insert(n)
if err != nil {
c.Fatalf("Can't insert document: %v\n", err)
}
}
func (this *Article) Save() error {
this.Id = bson.NewObjectId()
if len(this.Parent) == 0 {
if err := save(articleColl, this, true); err != nil {
return errors.NewError(errors.DbError, err.Error())
}
return nil
}
if !bson.IsObjectIdHex(this.Parent) {
return errors.NewError(errors.InvalidMsgError)
}
update := bson.M{
"$push": bson.M{
"reviews": this.Id.Hex(),
},
"$inc": bson.M{
"review_count": 1,
},
}
if this.Type == ArticleCoach {
update = bson.M{
"$addToSet": bson.M{
"coaches": this.Author,
},
"$inc": bson.M{
"coach_review_count": 1,
},
}
}
f := func(c *mgo.Collection) error {
runner := txn.NewRunner(c)
ops := []txn.Op{
{
C: articleColl,
Id: this.Id,
Assert: txn.DocMissing,
Insert: this,
},
{
C: articleColl,
Id: bson.ObjectIdHex(this.Parent),
Assert: txn.DocExists,
Update: update,
},
}
return runner.Run(ops, bson.NewObjectId(), nil)
}
if err := withCollection("comment_tx", &mgo.Safe{}, f); err != nil {
log.Println(err)
return errors.NewError(errors.DbError, err.Error())
}
return nil
}
func main() {
var (
mongoSession *mgo.Session
database *mgo.Database
collection *mgo.Collection
err error
)
if mongoSession, err = mgo.Dial("localhost"); err != nil {
panic(err)
}
database = mongoSession.DB("mgo_examples_05")
collection = database.C("todos")
var todos []Todo
todos = append(todos, Todo{Id: bson.NewObjectId(), Task: "First task for today", Created: time.Now(), Due: time.Now().Add(time.Hour * 24)})
todos = append(todos, Todo{Id: bson.NewObjectId(), Task: "Second task for today", Created: time.Now(), Due: time.Now()})
todos = append(todos, Todo{Id: bson.NewObjectId(), Task: "Third task for today", Created: time.Now(), Due: time.Now()})
todos = append(todos, Todo{Id: bson.NewObjectId(), Task: "Fourth task for today", Created: time.Now(), Due: time.Now()})
todos = append(todos, Todo{Id: bson.NewObjectId(), Task: "Fifth task for today", Created: time.Now(), Due: time.Now()})
for _, todo := range todos {
if _, err = collection.UpsertId(todo.Id, &todo); err != nil {
panic(err)
}
}
// START OMIT
pipeline := []bson.M{
{"$group": bson.M{
"_id": bson.M{"$dayOfYear": "$d"},
"count": bson.M{"$sum": 1},
}},
}
var (
result TodoDueCounts
results []TodoDueCounts
)
iter := collection.Pipe(pipeline).Iter()
for {
if iter.Next(&result) {
results = append(results, result)
} else {
break
}
}
err = iter.Err()
if err != nil {
panic(err)
}
// END OMIT
fmt.Printf("%# v", pretty.Formatter(results))
}
func get_decks() []Deck {
c := make(chan []int32)
go Get_winner_list(c)
go Get_winner_list(c)
go Get_loser_list(c)
go Get_loser_list(c)
w, x, y, z := <-c, <-c, <-c, <-c
d1 := Deck{bson.NewObjectId(), w}
d2 := Deck{bson.NewObjectId(), x}
d3 := Deck{bson.NewObjectId(), y}
d4 := Deck{bson.NewObjectId(), z}
return []Deck{d1, d2, d3, d4}
}
func NewPoint(title, location, location_index string,
userid bson.ObjectId) *Point {
point := &Point{
ID: bson.NewObjectId(),
Title: title,
Location: location,
Location_index: location_index,
UserId: userid,
Date: time.Now(),
Img: "/apps/eating/imgs/" + bson.NewObjectId().Hex(),
}
return point
}
func main() {
logout := log.New(os.Stdout, "MGO: ", log.Lshortfile)
mgo.SetLogger(logout)
mgo.SetDebug(false)
session, err := mgo.Dial("localhost")
if err != nil {
panic(err)
}
defer session.Close()
db := session.DB("bookdb")
cbooks := db.C("bookcoll")
cauthors := db.C("authorcoll")
aids := []bson.ObjectId{bson.NewObjectId(), bson.NewObjectId()}
authors := []Author{{
aids[0],
"Author 1",
}, {
aids[1],
"Author 2",
}}
cauthors.Insert(authors[0])
cauthors.Insert(authors[1])
// Insert some books
mine := Book{
bson.NewObjectId(),
"Gang of four thingy",
aids,
}
cbooks.Insert(&mine)
var assembl []AssembledBooks
cauthors.Find(bson.M{}).All(&assembl)
str1, _ := json.MarshalIndent(assembl, "", " ")
fmt.Printf("%s\n", str1)
var allauthors []Author
cauthors.Find(bson.M{}).All(&allauthors)
str, _ := json.MarshalIndent(allauthors, "", " ")
fmt.Printf("%s\n", str)
var allbooks []Book
cbooks.Find(bson.M{}).All(&allbooks)
str, _ = json.MarshalIndent(allbooks, "", " ")
fmt.Printf("%s\n", str)
fmt.Println("Dropping all collections...")
cauthors.DropCollection()
cbooks.DropCollection()
fmt.Println("Done")
}
// 复制别人的共享笔记给我
// TODO 判断是否共享了给我
func (this *NoteService) CopySharedNote(noteId, notebookId, fromUserId, myUserId string) info.Note {
if notebookService.IsMyNotebook(notebookId, myUserId) {
note := this.GetNote(noteId, fromUserId)
if note.NoteId == "" {
return info.Note{}
}
noteContent := this.GetNoteContent(noteId, fromUserId)
// 重新生成noteId
note.NoteId = bson.NewObjectId()
note.NotebookId = bson.ObjectIdHex(notebookId)
note.UserId = bson.ObjectIdHex(myUserId)
note.IsTop = false
note.IsBlog = false // 别人的可能是blog
// content
noteContent.NoteId = note.NoteId
noteContent.UserId = note.UserId
// 添加之
note = this.AddNoteAndContent(note, noteContent, note.UserId)
// 更新blog状态
isBlog := this.updateToNotebookBlog(note.NoteId.Hex(), notebookId, myUserId)
note.IsBlog = isBlog
return note
}
return info.Note{}
}
func (m *MongoService) Save(collection string, docId string, doc models.MongoModel) (info *mgo.ChangeInfo, err error) {
if docId == "" {
docId = bson.NewObjectId().Hex()
doc.SetId(docId)
}
return m.getCollection(collection).UpsertId(docId, doc)
}
// URL: /article/new
// 新建文章
func newArticleHandler(w http.ResponseWriter, r *http.Request) {
var categories []ArticleCategory
c := DB.C("articlecategories")
c.Find(nil).All(&categories)
var choices []wtforms.Choice
for _, category := range categories {
choices = append(choices, wtforms.Choice{Value: category.Id_.Hex(), Label: category.Name})
}
form := wtforms.NewForm(
wtforms.NewHiddenField("html", ""),
wtforms.NewTextField("title", "标题", "", wtforms.Required{}),
wtforms.NewTextField("original_source", "原始出处", "", wtforms.Required{}),
wtforms.NewTextField("original_url", "原始链接", "", wtforms.URL{}),
wtforms.NewSelectField("category", "分类", choices, ""),
)
if r.Method == "POST" && form.Validate(r) {
user, _ := currentUser(r)
c = DB.C("contents")
id_ := bson.NewObjectId()
html := form.Value("html")
html = strings.Replace(html, "<pre>", `<pre class="prettyprint linenums">`, -1)
categoryId := bson.ObjectIdHex(form.Value("category"))
err := c.Insert(&Article{
Content: Content{
Id_: id_,
Type: TypeArticle,
Title: form.Value("title"),
CreatedBy: user.Id_,
CreatedAt: time.Now(),
},
Id_: id_,
CategoryId: categoryId,
OriginalSource: form.Value("original_source"),
OriginalUrl: form.Value("original_url"),
})
if err != nil {
fmt.Println("newArticleHandler:", err.Error())
return
}
http.Redirect(w, r, "/a/"+id_.Hex(), http.StatusFound)
return
}
renderTemplate(w, r, "article/form.html", map[string]interface{}{
"form": form,
"title": "新建",
"action": "/article/new",
"active": "article",
})
}
func NewContext(req *http.Request) (*Context, error) {
sess, err := store.Get(req, COOKIE_NAME)
ctx := &Context{
Database: db_session.Clone().DB(database),
Session: sess,
Data: make(map[string]interface{}),
}
if err != nil { // if the above is still an error
return ctx, err
}
//try to fill in the user from the session
if uid, ok := sess.Values["user"].(bson.ObjectId); ok {
e := ctx.C("users").Find(bson.M{"_id": uid}).One(&ctx.User)
if ctx.User != nil {
ctx.User.Password = []byte{}
ctx.User.BirthDate = ctx.User.BirthDate.UTC()
}
if e != nil {
Log("error finding user for cookie uid: ", err.Error())
}
}
if _, ok := sess.Values["csrf_token"].(string); !ok {
ctx.Session.Values["csrf_token"] = bson.NewObjectId().Hex()
}
return ctx, err
}
// newUser create an *auth.User without save it to database.
// Its set an BSON ObjectID and check email,password.
func (m *MgoUserManager) newUser(email, pwd string, app bool) (*auth.User, error) {
if !m.Formater.EmailValidate(email) {
return nil, auth.ErrInvalidEmail
}
if !m.Formater.PasswordValidate(pwd) {
return nil, auth.ErrInvalidPassword
}
u := &auth.User{}
u.Id = bson.NewObjectId()
u.Email = email
u.LastActivity = time.Now()
u.Info.JoinDay = u.LastActivity
p, err := auth.HashPwd(pwd)
if err != nil {
return nil, err
}
u.Pwd = p
u.Approved = app
if !app {
u.ConfirmCodes = map[string]string{
"activate": base64.URLEncoding.EncodeToString(securecookie.GenerateRandomKey(64)),
}
}
return u, nil
}
// URL: /admin/article_category/new
// 新建文章分类
func adminNewArticleCategoryHandler(handler Handler) {
form := wtforms.NewForm(
wtforms.NewTextField("name", "名称", "", wtforms.Required{}),
)
if handler.Request.Method == "POST" {
if !form.Validate(handler.Request) {
renderTemplate(handler, "article_category/new.html", ADMIN, map[string]interface{}{"form": form})
return
}
c := handler.DB.C(ARTICLE_CATEGORIES)
var category ArticleCategory
err := c.Find(bson.M{"name": form.Value("name")}).One(&category)
if err == nil {
form.AddError("name", "该名称已经有了")
renderTemplate(handler, "article_category/new.html", ADMIN, map[string]interface{}{"form": form})
return
}
err = c.Insert(&ArticleCategory{
Id_: bson.NewObjectId(),
Name: form.Value("name"),
})
if err != nil {
panic(err)
}
http.Redirect(handler.ResponseWriter, handler.Request, "/admin/article_category/new", http.StatusFound)
}
renderTemplate(handler, "article_category/new.html", ADMIN, map[string]interface{}{"form": form})
}
// URL: /a/{articleId}/comment
// 评论文章
func commentAnArticleHandler(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
vars := mux.Vars(r)
articleId := vars["articleId"]
user, ok := currentUser(r)
if !ok {
http.Redirect(w, r, "/a/"+articleId, http.StatusFound)
return
}
content := r.FormValue("content")
html := r.FormValue("html")
html = strings.Replace(html, "<pre>", `<pre class="prettyprint linenums">`, -1)
Id_ := bson.NewObjectId()
now := time.Now()
comment := Comment{
Id_: Id_,
UserId: user.Id_,
Markdown: content,
Html: template.HTML(html),
CreatedAt: now,
}
c := db.C("articles")
c.Update(bson.M{"_id": bson.ObjectIdHex(articleId)}, bson.M{"$addToSet": bson.M{"comments": comment}})
http.Redirect(w, r, "/a/"+articleId, http.StatusFound)
}
}
func (u *UserMetaData) SaveUserMetaData() RD.ReturnData {
returnData := RD.ReturnData{}
dbSession := Connection.GetDBSession()
dbSession.SetMode(mgo.Monotonic, true)
dataBase := strings.SplitAfter(os.Getenv("MONGOHQ_URL"), "/")
c := dbSession.DB(dataBase[3]).C("jove")
u.Id = bson.NewObjectId()
u.Created_on = time.Now()
err := c.Insert(u)
if err != nil {
log.Print(err.Error())
returnData.ErrorMsg = err.Error()
returnData.Success = false
returnData.Status = "422"
} else {
returnData.Success = true
jsonData, _ := json.Marshal(&u)
returnData.JsonData = jsonData
returnData.Status = "201"
}
return returnData
}
// NameToID - Converts name to ObjectId if its one.
// If `create` is true and name is empty it creates new id and `created` is true.
func NameToID(name interface{}, create bool) (id interface{}, created bool) {
// If create is true and name is empty - create new id
if create {
// If name is nil or empty string
if n, ok := name.(string); name == nil || ok && n == "" {
id = bson.NewObjectId()
created = true
return
}
}
// Try to cast name to ObjectId
var ok bool
if id, ok = name.(bson.ObjectId); ok {
return
}
// By default id is a name
id = name
// If name is ObjectIdHex convert it
if n, ok := name.(string); ok && bson.IsObjectIdHex(n) {
id = bson.ObjectIdHex(n)
}
return
}
func (this *Tx) Save() error {
this.Id = bson.NewObjectId()
if err := save(txColl, this, true); err != nil {
return errors.NewError(errors.DbError)
}
return nil
}
// Appends an item (map or struct) into the collection.
func (self *Collection) Append(item interface{}) (interface{}, error) {
var err error
var id bson.ObjectId
id = bson.NewObjectId()
// Allocating a new ID.
if err = self.collection.Insert(bson.M{"_id": id}); err != nil {
return nil, err
}
// Now append data the user wants to append.
if err = self.collection.Update(bson.M{"_id": id}, item); err != nil {
return nil, err
}
return id, nil
/*
var id bson.ObjectId
var err error
id = bson.NewObjectId()
_, err = self.collection.Upsert(bson.M{"_id": id}, item);
if err != nil {
return nil, err
}
return id, nil
*/
}
// Parse a row returned from SQLite into a Factoid.
func parseFactoid(row []interface{}, out chan *factoids.Factoid) {
values := parseMultipleValues(toString(row[cValue]))
c := &factoids.FactoidStat{
Nick: base.Nick(toString(row[cCreator])),
Chan: "",
Count: 1,
}
c.Timestamp, _ = parseTimestamp(row[cCreated])
m := &factoids.FactoidStat{Chan: "", Count: 0}
if ts, ok := parseTimestamp(row[cModified]); ok {
m.Timestamp = ts
m.Nick = base.Nick(toString(row[cModifier]))
m.Count = 1
} else {
m.Timestamp = c.Timestamp
m.Nick = c.Nick
}
p := &factoids.FactoidPerms{
parseReadOnly(row[cAccess]),
base.Nick(toString(row[cCreator])),
}
for _, val := range values {
t, v := parseValue(toString(row[cKey]), toString(row[cRel]), val)
if v == "" {
// skip the many factoids with empty values.
continue
}
out <- &factoids.Factoid{
Key: toString(row[cKey]), Value: v, Type: t, Chance: 1.0,
Created: c, Modified: m, Accessed: c, Perms: p,
Id: bson.NewObjectId(),
}
}
}
// Add - Adds action from database.
func (a *StoreAction) Add() (err error) {
// Get database session
sess := Session.Copy()
defer sess.Close()
// Get database connection
actions := sess.DB("").C(ActionsCollection)
// Create query selector without action
var q *StoreAction
if a.Action != nil {
q = &StoreAction{
Project: a.Project,
User: a.User,
Name: a.Name,
}
} else {
q = a
}
// Find action if any
if err := actions.Find(q).One(q); err == nil {
a.ID = q.ID
} else {
a.ID = bson.NewObjectId()
}
// Upsert action - insert or replace
_, err = actions.UpsertId(a.ID, a)
return
}
func NewLoginSession(user *User) *LoginSession {
return &LoginSession{
Cookie: bson.NewObjectId(),
User: user,
Expiretime: time.Now().AddDate(0, 0, 7),
}
}
func Test_getSession(t *testing.T) {
c, session, err := connect(sessions)
if err != nil {
t.Fatal(err)
}
defer session.Close()
t.Logf("Test SessionId does not exist.")
sessionId := &SessionId{Id: bson.NewObjectId(), Username: "******"}
if result, err := getSession(session, sessionId); err != mgo.ErrNotFound {
t.Error(err)
} else if result != nil {
t.Error("result is not nil")
}
t.Logf("Test SessionId exists.")
sessionId, err = startSession(session, "Nemo")
if err != nil {
t.Fatal(err)
}
if result, err := getSession(session, sessionId); err != nil {
t.Error(err)
} else if result == nil {
t.Error("result is nil")
}
if err = c.Remove(sessionId); err != nil {
t.Error(err)
}
}
func SendMessage(w http.ResponseWriter, req *http.Request, ctx *models.Context) error {
if ctx.User == nil {
http.Redirect(w, req, reverse("login"), http.StatusSeeOther)
return nil
}
to := req.URL.Query().Get(":to")
if !bson.IsObjectIdHex(to) {
return perform_status(w, req, http.StatusForbidden)
}
if to == ctx.User.Id.Hex() {
return perform_status(w, req, http.StatusForbidden)
}
m := models.Message{
Id: bson.NewObjectId(),
From: ctx.User.Id,
To: bson.ObjectIdHex(to),
UserName: ctx.User.FullName(),
Avatar: ctx.User.Avatar,
Subject: req.FormValue("subject"),
Body: req.FormValue("body"),
}
if err := ctx.C(M).Insert(m); err != nil {
models.Log("Error sending message: ", err.Error())
}
return nil
}
func NewQueueItem(registry *registry.Registry, command string,
source *document.DocumentID, target *document.DocumentID,
sourceRange string, targetRange string,
payload io.Reader) (*QueueItem, error) {
buf := new(bytes.Buffer)
w, _ := gzip.NewWriterLevel(buf, gzip.BestSpeed)
if _, err := io.Copy(w, payload); err != nil {
return nil, newQueueError("Queue Item gzip copy:", err)
}
if err := w.Close(); err != nil {
return nil, newQueueError("Queue Item gzip close:", err)
}
item := &QueueItem{
Id: bson.NewObjectId(),
Command: command,
Status: "Queued",
Source: source,
Target: target,
SourceRange: sourceRange,
TargetRange: targetRange,
Payload: buf.Bytes(),
}
if err := item.Save(registry); err != nil {
return nil, newQueueError("Queue Item save:", err)
}
return item, nil
}
func (s *AEServer) HandlePostQuestion(w http.ResponseWriter, r *http.Request, session sessions.Session) (int, string) {
//Verify user account or something
login := session.Get("Login")
if login == nil {
return 404, Message("Not Logged In!")
}
tok := login.(string)
user := s.syncGetUser(tok)
if user == nil {
return http.StatusBadRequest, Message("Invalid Cookie!")
}
q := QuestionFromJson(r.Body)
if q == nil {
return 404, Message("Poorly Formatted JSON.")
}
//Assign question an ID
q.ID = bson.NewObjectId()
q.Author = user.Username
q.Timestamp = time.Now()
err := s.questions.Save(q)
if err != nil {
log.Print(err)
return http.StatusInternalServerError, Message("Failed to save question")
}
return 200, q.GetIdHex()
}
func (s *S) TestNewObjectId(c *C) {
// Generate 10 ids
ids := make([]bson.ObjectId, 10)
for i := 0; i < 10; i++ {
ids[i] = bson.NewObjectId()
}
for i := 1; i < 10; i++ {
prevId := ids[i-1]
id := ids[i]
// Test for uniqueness among all other 9 generated ids
for j, tid := range ids {
if j != i {
c.Assert(id, Not(Equals), tid, Commentf("Generated ObjectId is not unique"))
}
}
// Check that timestamp was incremented and is within 30 seconds of the previous one
secs := id.Time().Sub(prevId.Time()).Seconds()
c.Assert((secs >= 0 && secs <= 30), Equals, true, Commentf("Wrong timestamp in generated ObjectId"))
// Check that machine ids are the same
c.Assert(id.Machine(), DeepEquals, prevId.Machine())
// Check that pids are the same
c.Assert(id.Pid(), Equals, prevId.Pid())
// Test for proper increment
delta := int(id.Counter() - prevId.Counter())
c.Assert(delta, Equals, 1, Commentf("Wrong increment in generated ObjectId"))
}
}
func CreateTicket(ctx *auth.AuthContext, rw http.ResponseWriter, req *http.Request) (int, error) {
// developer can call:
// user, err := ctx.ValidCurrentUser(false, nil)
// to get the current logged user's infomation
t := Ticket{}
err := json.NewDecoder(req.Body).Decode(&t)
req.Body.Close()
if err != nil {
return http.StatusBadRequest, err
}
t.Id = bson.NewObjectId()
// save stuff to database
db, ok := ctx.Value(DBKey).(*mgo.Database)
if !ok {
ctx.Logs.Errorf("Cannot access database")
return http.StatusInternalServerError, errors.New("Cannot access database")
}
err = db.C("tickets").Insert(&t)
if err != nil {
return http.StatusInternalServerError, err
}
json.NewEncoder(rw).Encode(&t)
return http.StatusOK, nil
}
func AppInit() {
var err error
// Read configuration.
Dial = revel.Config.StringDefault("revmgo.dial", "localhost")
Method = revel.Config.StringDefault("revmgo.method", "clone")
if err = MethodError(Method); err != nil {
revel.ERROR.Panic(err)
}
// Let's try to connect to Mongo DB right upon starting revel but don't
// raise an error. Errors will be handled if there is actually a request
if Session == nil {
Session, err = mgo.Dial(Dial)
if err != nil {
// Only warn since we'll retry later for each request
revel.WARN.Printf("Could not connect to Mongo DB. Error: %s", err)
} else {
setDuplMethod()
}
}
// register the custom bson.ObjectId binder
objId := bson.NewObjectId()
revel.TypeBinders[reflect.TypeOf(objId)] = ObjectIdBinder
}
// 创建机器人
func (r *room) createRebot() error {
rebotId := newRebotId()
// 创建一个虚拟的在线用户
u := &onlineUser{
model.Users{
Id_: bson.NewObjectId(),
UserId: rebotId,
UserName: fmt.Sprintf("机器人%d", rebotId),
UserPwd: "",
UserCoin: 0,
UserWin: 0,
UserLose: 0,
UserRegTime: time.Now(),
},
r.Id,
}
h.addOnlineUser(u)
if err := r.addPlayer(rebotId, true); err != nil {
fmt.Println("添加机器人进入房间失败：", rebotId, err)
return err
}
r.Rebot = true
return nil
}
// Create creates a new file with the provided name in the GridFS. If the file
// name already exists, a new version will be inserted with an up-to-date
// uploadDate that will cause it to be atomically visible to the Open and
// OpenId methods. If the file name is not important, an empty name may be
// provided and the file Id used instead.
//
// It's important to Close files whether they are being written to
// or read from, and to check the err result to ensure the operation
// completed successfully.
//
// A simple example inserting a new file:
//
// func check(err os.Error) {
// if err != nil {
// panic(err.String())
// }
// }
// file, err := db.GridFS("fs").Create("myfile.txt")
// check(err)
// n, err := file.Write([]byte("Hello world!")
// check(err)
// err = file.Close()
// check(err)
// fmt.Printf("%d bytes written\n", n)
//
// The io.Writer interface is implemented by *GridFile and may be used to
// help on the file creation. For example:
//
// file, err := db.GridFS("fs").Create("myfile.txt")
// check(err)
// messages, err := os.Open("/var/log/messages")
// check(err)
// defer messages.Close()
// err = io.Copy(file, messages)
// check(err)
// err = file.Close()
// check(err)
//
func (gfs *GridFS) Create(name string) (file *GridFile, err error) {
file = gfs.newFile()
file.mode = gfsWriting
file.wsum = md5.New()
file.doc = gfsFile{Id: bson.NewObjectId(), ChunkSize: 256 * 1024, Filename: name}
return
}
// NewPoll returns a new poll with
func NewPoll(question string, choices ...*Choice) *Poll {
return &Poll{
Id: bson.NewObjectId(),
Question: question,
Choices: choices,
}
}