示例#1
1
// Should store the given user, after encrypting its password
func TestStoreUser(t *testing.T) {
	ctx, done, err := aetest.NewContext()
	if err != nil {
		t.Fatal(err)
	}
	defer done()

	user := &models.User{Username: "******", FirstName: "Tim", Email: "*****@*****.**", Password: []byte("I <3 golang")}
	err = repositories.StoreUser(ctx, user)

	if err != nil {
		t.Fatal(err)
	}

	key := datastore.NewKey(ctx, "User", "testertim", 0, nil)
	var storedUser models.User
	err = datastore.Get(ctx, key, &storedUser)
	if err != nil {
		t.Fatal(err)
	}

	if storedUser.FirstName != user.FirstName {
		t.Errorf("FirstName %d, want %d", storedUser.FirstName, user.FirstName)
	}

	if storedUser.Username != "" {
		t.Errorf("Username %d should be derived from the key, not stored", storedUser.Username)
	}

	if string(storedUser.Password) == "I <3 golang" {
		t.Errorf("Password %d should be hashed and not %d", string(storedUser.Password), "I <3 golang")
	}
}
示例#2
0
文件: user.go 项目: pbochis/api
func GetCompanyByUser(ctx context.Context, w http.ResponseWriter, r *http.Request) (int, error) {
	if r.Method != "GET" {
		return http.StatusMethodNotAllowed, nil
	}

	p, ok := passenger.FromContext(ctx)
	if !ok {
		return http.StatusUnauthorized, nil
	}

	var u model.User
	if err := datastore.Get(ctx, p.User, &u); err != nil {
		return http.StatusInternalServerError, nil
	}

	if u.Company == nil {
		return http.StatusUnauthorized, nil
	}

	// The account is associated with a company, so we return it.
	var company model.Company
	if err := datastore.Get(ctx, u.Company, &company); err != nil {
		return http.StatusInternalServerError, err
	}

	json.NewEncoder(w).Encode(company.Key(u.Company))
	return http.StatusOK, nil
}
示例#3
0
// Increment increments the named counter.
func Increment(ctx context.Context, name string) error {
	// Get counter config.
	var cfg counterConfig
	ckey := datastore.NewKey(ctx, configKind, name, 0, nil)
	err := datastore.RunInTransaction(ctx, func(ctx context.Context) error {
		err := datastore.Get(ctx, ckey, &cfg)
		if err == datastore.ErrNoSuchEntity {
			cfg.Shards = defaultShards
			_, err = datastore.Put(ctx, ckey, &cfg)
		}
		return err
	}, nil)
	if err != nil {
		return err
	}
	var s shard
	err = datastore.RunInTransaction(ctx, func(ctx context.Context) error {
		shardName := fmt.Sprintf("%s-shard%d", name, rand.Intn(cfg.Shards))
		key := datastore.NewKey(ctx, shardKind, shardName, 0, nil)
		err := datastore.Get(ctx, key, &s)
		// A missing entity and a present entity will both work.
		if err != nil && err != datastore.ErrNoSuchEntity {
			return err
		}
		s.Name = name
		s.Count++
		_, err = datastore.Put(ctx, key, &s)
		return err
	}, nil)
	if err != nil {
		return err
	}
	memcache.IncrementExisting(ctx, memcacheKey(name), 1)
	return nil
}
示例#4
0
func viewStory(res http.ResponseWriter, req *http.Request, ps httprouter.Params) {
	ctx := appengine.NewContext(req)
	sd := sessionInfo(req)

	link := ps.ByName("story")
	title := strings.Replace(link, "-", " ", -1) //translate link to title
	owner := ps.ByName("owner")

	userkey := datastore.NewKey(ctx, "Users", owner, 0, nil)
	key := datastore.NewKey(ctx, "Stories", title, 0, userkey) //owner is ancestor - eliminates need for owner-story table
	var story Story
	err := datastore.Get(ctx, key, &story)
	if err != nil {
		panic(err)
	}
	var user User
	user.Username = owner
	err = datastore.Get(ctx, userkey, &user)
	if err != nil {
		panic(err)
	}

	sd.ViewingStory = story
	sd.ViewingUser = user
	tpl.ExecuteTemplate(res, "view.html", &sd)
}
示例#5
0
// Increment increments the named counter.
func Increment(c context.Context, valName string) error {

	// Get counter config.
	shardsTotal := dsu.WrapInt{}
	dsu.McacheGet(c, mcKeyShardsTotal(valName), &shardsTotal)
	if shardsTotal.I < 1 {
		ckey := datastore.NewKey(c, dsKindNumShards, mcKeyShardsTotal(valName), 0, nil)
		errTx := datastore.RunInTransaction(c,
			func(c context.Context) error {
				err := datastore.Get(c, ckey, &shardsTotal)
				if err == datastore.ErrNoSuchEntity {
					shardsTotal.I = defaultNumShards
					_, err = datastore.Put(c, ckey, &shardsTotal)
				}
				return err
			}, nil)
		if errTx != nil {
			return errTx
		}
		dsu.McacheSet(c, mcKeyShardsTotal(valName), dsu.WrapInt{shardsTotal.I})
	}

	// pick random counter and increment it
	errTx := datastore.RunInTransaction(c,
		func(c context.Context) error {
			shardId := rand.Intn(shardsTotal.I)
			dsKey := datastore.NewKey(c, dsKindShard, keySingleShard(valName, shardId), 0, nil)
			var sd WrapShardData
			err := datastore.Get(c, dsKey, &sd)
			// A missing entity and a present entity will both work.
			if err != nil && err != datastore.ErrNoSuchEntity {
				return err
			}
			sd.Name = valName
			sd.ShardId = shardId
			sd.I++
			_, err = datastore.Put(c, dsKey, &sd)
			if ll > 2 {
				aelog.Infof(c, "ds put %v %v", dsKey, sd)
			}
			return err
		}, nil)
	if errTx != nil {
		return errTx
	}

	memcache.Increment(c, mcKey(valName), 1, 0)

	// collect number of updates
	//    per valName per instance in memory
	//    for every interval of 10 minutes
	//
	//  a batch job checks if the number of shards should be increased or decreased
	//    and truncates this map
	updateSamplingFrequency[valName+util.TimeMarker()[:len("2006-01-02 15:0")]] += 1

	return nil
}
示例#6
0
// Load - Takes a datastore.Key provided and loads it into the current Ticket object
func (t *Ticket) Load(ctx context.Context, k datastore.Key) error {
	err := datastore.Get(ctx, &k, t)
	t.DatastoreKey = k
	t.EventKey = k.Parent()

	if err = datastore.Get(ctx, &k, t); err != nil {
		return err
	}

	return nil
}
示例#7
0
func TestDatastoreFixture(t *testing.T) {
	filepath := mkTempfile(`[{
    "_kind": "FixtureKind",
    "_key": "key1",
    "IntValue": 10,
    "FloatValue": 2.4,
    "BoolValue": true,
    "StringValue": "foobar",
    "BytesValue": "[]bytesfoobar",
    "DateTimeValue": "2014-01-02T14:02:50Z",
    "DateValue": "2014-01-02",
    "Slice": ["a", "b", "c"],
    "Struct": {
      "Foo": "bar"
    }
  },{
    "_kind": "FixtureKind",
    "_key": "key1",
    "_ns": "ns1",
    "StringValue": "withns1"
  }
]`)

	assert := wcg.NewAssert(t)
	var fk FixtureKind
	assert.Nil(DatastoreFixture(ts.Context, filepath, nil), "DatastoreFixture")

	key := datastore.NewKey(ts.Context, "FixtureKind", "key1", 0, nil)

	wcg.NewLogger(nil).Infof("GET: %s", key)
	assert.Nil(datastore.Get(ts.Context, key, &fk), "datastore.Get('key1') ")

	assert.EqInt(10, fk.IntValue, "IntValue should be 10")
	assert.EqFloat32(2.4, fk.FloatValue, "FloatValue should be 2.4")
	assert.EqStr("foobar", fk.StringValue, "StringValue should be 'foobar'")
	assert.EqStr("bytesfoobar", string(fk.BytesValue), "BytesValue should be 'foobar'")
	assert.EqInt(3, len(fk.Slice), "len(Slice) should be 3")
	assert.EqStr("a", string(fk.Slice[0]), "Slice[0] should be 'a'")
	assert.EqStr("b", string(fk.Slice[1]), "Slice[0] should be 'a'")
	assert.EqStr("c", string(fk.Slice[2]), "Slice[0] should be 'a'")

	assert.EqTime(time.Date(2014, 01, 02, 14, 02, 50, 0, time.UTC), fk.DateTimeValue, "DateTimeValue should be 2014-01-02T14:02:50Z")
	assert.EqTime(time.Date(2014, 01, 02, 0, 0, 0, 0, time.UTC), fk.DateValue, "DateTimeValue should be 2014-01-02T00:00:00Z")
	assert.EqStr("bar", string(fk.Struct.Foo), "Struct.Foo should be 'bar'")

	// namespace
	ns1, _ := appengine.Namespace(ts.Context, "ns1")
	key = datastore.NewKey(ns1, "FixtureKind", "key1", 0, nil)
	assert.Nil(datastore.Get(ns1, key, &fk), "datastore.Get('key1') /w ns1")
	assert.EqStr("withns1", fk.StringValue, "StringValue should be 'withns1'")
}
示例#8
0
//LoadAccess loads access data by token
func (s *AEStorage) LoadAccess(c context.Context, code string) (*osin.AccessData, error) {
	log.Infof(c, "Access code: %s", code)
	key := datastore.NewKey(c, AccessDataKind, code, 0, nil)
	var token AccessDataModel
	err := datastore.Get(c, key, &token)
	if err != nil {
		return nil, errors.New("Access not found")
	}

	var rtoken = token.ToAccessData()
	client, err := s.GetClient(c, token.ClientID)
	if client == nil || err != nil {
		return nil, errors.New("Client not found")
	}
	rtoken.Client = client

	if token.AuthorizationCode != "" {
		auth, err := s.LoadAuthorize(c, token.AuthorizationCode)
		if auth == nil || err != nil {
			return nil, errors.New("Authorization not found")
		}
		rtoken.AuthorizeData = auth
	}
	return rtoken, nil
}
示例#9
0
func (s *TaskService) ByID(ctx context.Context, id string) (*Task, error) {
	rootKey := datastore.NewKey(ctx, "Root", "root", 0, nil)
	k := datastore.NewKey(ctx, "Task", id, 0, rootKey)

	ct, ok := CacheFromContext(ctx).Get(k).(*Task)
	if ok {
		return ct, nil
	}
	span := trace.FromContext(ctx).NewChild("trythings.task.ByID")
	defer span.Finish()

	var t Task
	err := datastore.Get(ctx, k, &t)
	if err != nil {
		return nil, err
	}

	ok, err = s.IsVisible(ctx, &t)
	if err != nil {
		return nil, err
	}

	if !ok {
		return nil, errors.New("cannot access task")
	}

	CacheFromContext(ctx).Set(k, &t)
	return &t, nil
}
示例#10
0
func (s *ViewService) ByID(ctx context.Context, id string) (*View, error) {
	rootKey := datastore.NewKey(ctx, "Root", "root", 0, nil)
	k := datastore.NewKey(ctx, "View", id, 0, rootKey)

	cv, ok := CacheFromContext(ctx).Get(k).(*View)
	if ok {
		return cv, nil
	}
	span := trace.FromContext(ctx).NewChild("trythings.view.ByID")
	defer span.Finish()

	var v View
	err := datastore.Get(ctx, k, &v)
	if err != nil {
		return nil, err
	}

	ok, err = s.IsVisible(ctx, &v)
	if err != nil {
		return nil, err
	}
	if !ok {
		return nil, errors.New("cannot access view")
	}

	CacheFromContext(ctx).Set(k, &v)
	return &v, nil
}
示例#11
0
func showUser(res http.ResponseWriter, req *http.Request) {
	ctx := appengine.NewContext(req)
	u := user.Current(ctx)
	email := u.Email

	key := datastore.NewKey(ctx, "User", email, 0, nil)
	var entity User
	err := datastore.Get(ctx, key, &entity)

	if err == datastore.ErrNoSuchEntity {
		http.NotFound(res, req)
		return
	} else if err != nil {
		http.Error(res, err.Error(), 500)
		return
	}
	log.Infof(ctx, "%v", entity)
	res.Header().Set("Content-Type", "text/html")
	fmt.Fprintln(res, `
		<dl>
			<dt>`+entity.FirstName+`</dt>
			<dd>`+entity.LastName+`</dd>
			<dd>`+u.Email+`</dd>
		</dl>
	`)
}
示例#12
0
文件: task.go 项目: flowlo/coduno-api
func Tasks(ctx context.Context, w http.ResponseWriter, r *http.Request) (status int, err error) {
	p, ok := passenger.FromContext(ctx)
	if !ok {
		return http.StatusUnauthorized, nil
	}

	var u model.User
	if err = datastore.Get(ctx, p.User, &u); err != nil {
		return http.StatusInternalServerError, err
	}

	// User is a coder
	if u.Company == nil {
		return http.StatusUnauthorized, nil
	}

	switch r.Method {
	case "GET":
		return getAllTasks(ctx, w, r)
	case "POST":
		return createTask(ctx, w, r)
	default:
		return http.StatusMethodNotAllowed, nil
	}
}
示例#13
0
func handlePersonalPage(res http.ResponseWriter, req *http.Request) {
	ctx := appengine.NewContext(req)
	session := getSession(ctx, req)
	username := strings.SplitN(req.URL.Path, "/", 3)[2]
	if username == "" {
		http.Redirect(res, req, "/userslist", 302)
		return
	}
	q := datastore.NewQuery("Image").Filter("Username ="******"List", username, 0, nil)
	var list List
	datastore.Get(ctx, key, &list)
	listItems := make([]string, 0)
	if strings.TrimSpace(list.List) != "" {
		listItems = strings.Split(list.List, "\n")
	}
	model := &personalModel{
		Session:   session,
		Username:  username,
		ListItems: listItems,
		Images:    images,
	}
	err := tpls.ExecuteTemplate(res, "personalpage", model)
	if err != nil {
		http.Error(res, err.Error(), 500)
		return
	}
}
示例#14
0
func (s *UserService) ByID(ctx context.Context, id string) (*User, error) {
	rootKey := datastore.NewKey(ctx, "Root", "root", 0, nil)
	k := datastore.NewKey(ctx, "User", id, 0, rootKey)

	cu, ok := CacheFromContext(ctx).Get(k).(*User)
	if ok {
		return cu, nil
	}

	var u User
	err := datastore.Get(ctx, k, &u)
	if err != nil {
		return nil, err
	}

	ok, err = s.IsVisible(ctx, &u)
	if err != nil {
		return nil, err
	}

	if !ok {
		return nil, errors.New("cannot access user")
	}

	CacheFromContext(ctx).Set(k, &u)
	return &u, nil
}
示例#15
0
func createFinalResult(ctx context.Context, w http.ResponseWriter, result model.KeyedResult) (int, error) {
	var challenge model.Challenge
	if err := datastore.Get(ctx, result.Challenge, &challenge); err != nil {
		return http.StatusInternalServerError, nil
	}

	result.Finished = time.Now()

	for i, taskKey := range challenge.Tasks {
		key, err := getLatestSubmissionKey(ctx, result.Key, taskKey)
		if err != nil {
			return http.StatusInternalServerError, err
		}
		result.FinalSubmissions[i] = key
	}
	_, err := result.Put(ctx, result.Key)
	if err != nil {
		return http.StatusInternalServerError, err
	}
	json.NewEncoder(w).Encode(result)

	go computeFinalScore(ctx, result, challenge)

	return http.StatusOK, nil
}
示例#16
0
func handleListForm(res http.ResponseWriter, req *http.Request) {
	ctx := appengine.NewContext(req)
	session := getSession(ctx, req)
	username := session.Username
	if username == "" {
		http.Redirect(res, req, "/loginform", 302)
		return
	}
	list := &List{
		Username: username,
	}
	key := datastore.NewKey(ctx, "List", username, 0, nil)
	datastore.Get(ctx, key, list)
	if req.Method == "POST" {
		list.List = req.FormValue("list")
		_, err := datastore.Put(ctx, key, list)
		if err != nil {
			http.Error(res, err.Error(), 500)
			return
		}
		http.Redirect(res, req, "/user/"+username, 302)
		return
	}
	model := &listModel{
		Session: session,
		List:    list.List,
	}
	err := tpls.ExecuteTemplate(res, "listform", model)
	if err != nil {
		http.Error(res, err.Error(), 500)
		return
	}
}
示例#17
0
// linkHandler services requests to short URLs.
//   http://golang.org/s/key
// It consults memcache and datastore for the Link for key.
// It then sends a redirects or an error message.
func linkHandler(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)

	key := r.URL.Path[len(prefix)+1:]
	if !validKey.MatchString(key) {
		http.Error(w, "not found", http.StatusNotFound)
		return
	}

	var link Link
	_, err := memcache.JSON.Get(c, cacheKey(key), &link)
	if err != nil {
		k := datastore.NewKey(c, kind, key, 0, nil)
		err = datastore.Get(c, k, &link)
		switch err {
		case datastore.ErrNoSuchEntity:
			http.Error(w, "not found", http.StatusNotFound)
			return
		default: // != nil
			log.Errorf(c, "%q: %v", key, err)
			http.Error(w, "internal server error", http.StatusInternalServerError)
			return
		case nil:
			item := &memcache.Item{
				Key:    cacheKey(key),
				Object: &link,
			}
			if err := memcache.JSON.Set(c, item); err != nil {
				log.Warningf(c, "%q: %v", key, err)
			}
		}
	}

	http.Redirect(w, r, link.Target, http.StatusFound)
}
示例#18
0
// create snapshot
func (a *MinecraftCronApi) createSnapshot(ctx context.Context, ds *compute.DisksService, world string) error {
	sn := fmt.Sprintf("minecraft-world-%s-%s", world, time.Now().Format("20060102-150405"))
	log.Infof(ctx, "create snapshot %s", sn)

	var minecraft Minecraft
	key := datastore.NewKey(ctx, "Minecraft", world, 0, nil)

	err := datastore.Get(ctx, key, &minecraft)
	if err == datastore.ErrNoSuchEntity {
		log.Infof(ctx, "Minecraft Entity Not Found. world = %s", world)
		return nil
	}
	if err != nil {
		return nil
	}
	minecraft.Key = key

	s := &compute.Snapshot{
		Name: sn,
	}

	disk := fmt.Sprintf("minecraft-world-%s", world)
	ope, err := ds.CreateSnapshot(PROJECT_NAME, minecraft.Zone, disk, s).Do()
	if err != nil {
		log.Errorf(ctx, "ERROR insert snapshot: %s", err)
		return err
	}
	WriteLog(ctx, "INSTNCE_SNAPSHOT_OPE", ope)

	tq := ServerTQApi{}
	_, err = tq.CallDeleteInstance(ctx, minecraft.Key, ope.Name, sn)

	return err
}
示例#19
0
func (a *MinecraftCronApi) deleteInstance(ctx context.Context, is *compute.InstancesService, world string) <-chan error {
	log.Infof(ctx, "Delete Instance Target World Name = %s", world)

	receiver := make(chan error)
	go func() {
		var minecraft Minecraft
		key := datastore.NewKey(ctx, "Minecraft", world, 0, nil)

		err := datastore.Get(ctx, key, &minecraft)
		if err == datastore.ErrNoSuchEntity {
			log.Infof(ctx, "Minecraft Entity Not Found. world = %s", world)
			receiver <- nil
			return
		}
		if err != nil {
			receiver <- nil
			return
		}
		minecraft.Key = key

		_, err = deleteInstance(ctx, is, minecraft)
		receiver <- err
	}()
	return receiver
}
示例#20
0
func (s *SpaceService) ByID(ctx context.Context, id string) (*Space, error) {
	rootKey := datastore.NewKey(ctx, "Root", "root", 0, nil)
	k := datastore.NewKey(ctx, "Space", id, 0, rootKey)

	csp, ok := CacheFromContext(ctx).Get(k).(*Space)
	if ok {
		return csp, nil
	}
	span := trace.FromContext(ctx).NewChild("trythings.space.ByID")
	defer span.Finish()

	var sp Space
	err := datastore.Get(ctx, k, &sp)
	if err != nil {
		return nil, err
	}

	ok, err = s.IsVisible(ctx, &sp)
	if err != nil {
		return nil, err
	}
	if !ok {
		return nil, errors.New("cannot access space")
	}

	CacheFromContext(ctx).Set(k, &sp)
	return &sp, nil
}
示例#21
0
文件: usage_test.go 项目: favclip/qbg
func TestBasicUsage2(t *testing.T) {
	c, closer, err := aetest.NewContext()
	if err != nil {
		t.Fatal(err)
	}
	defer closer()

	src := &a.Sample{"Foo!"}
	key := datastore.NewIncompleteKey(c, "Sample", nil)
	_, err = datastore.Put(c, key, src)
	if err != nil {
		t.Fatal(err)
	}

	builder := a.NewSampleQueryBuilder()
	builder.Foo.GreaterThan("Foo").KeysOnly().Limit(3)
	iter := builder.Query().Run(c)
	for {
		key, err = iter.Next(nil)
		if err == datastore.Done {
			break
		} else if err != nil {
			t.Fatal(err)
		}
		src := &a.Sample{}
		err = datastore.Get(c, key, src)
		if err != nil {
			t.Fatal(err)
		}

		t.Logf("key: %#v, entity: %#v", key, src)
	}
}
示例#22
0
func handle(res http.ResponseWriter, req *http.Request) {
	if req.URL.Path != "/" {
		http.NotFound(res, req)
		return
	}
	ctx := appengine.NewContext(req)
	u := user.Current(ctx)
	key := datastore.NewKey(ctx, "Profile", u.Email, 0, nil)
	var profile Profile
	err := datastore.Get(ctx, key, &profile)
	if err == datastore.ErrNoSuchEntity {
		http.Redirect(res, req, "/createProfile", http.StatusSeeOther)
		return
	} else if err != nil {
		http.Error(res, "Server Error", http.StatusInternalServerError)
		log.Errorf(ctx, err.Error())
		return
	}

	tpl, err := template.ParseFiles("viewProfile.gohtml")
	if err != nil {
		http.Error(res, "Server Error", http.StatusInternalServerError)
		log.Errorf(ctx, err.Error())
		return
	}
	err = tpl.Execute(res, &profile)
	if err != nil {
		http.Error(res, "Server Error", http.StatusInternalServerError)
		log.Errorf(ctx, err.Error())
		return
	}
}
示例#23
0
文件: api.go 项目: jordonwii/hms
func handleResolve(w http.ResponseWriter, r *http.Request, apiKey APIKey) *appError {
	if r.Method != "GET" {
		return &appError{nil, fmt.Sprintf("Invalid request method: %s", r.Method), 401}
	}

	reqPath := r.FormValue("path")
	if reqPath == "" {
		return &appError{nil, "The `path` parameter is required. ", 401}
	}
	c := appengine.NewContext(r)
	linkResult, err := getMatchingLinkChatString(c, r.FormValue("chatID"), reqPath)

	var resp *ResolveResponse

	if err != nil {
		resp = &ResolveResponse{false, nil, nil, "Not Found"}
	} else {
		var resultChat Chat

		if linkResult.ChatKey != nil {
			err = datastore.Get(c, linkResult.ChatKey, &resultChat)
		}
		resp = &ResolveResponse{true, linkResult, &resultChat, ""}
	}
	respJSON, _ := json.Marshal(resp)
	w.Write(respJSON)
	return nil
}
示例#24
0
// ChallengeByKey loads a challenge by key.
func ChallengeByKey(ctx context.Context, w http.ResponseWriter, r *http.Request) (status int, err error) {
	if r.Method != "GET" {
		return http.StatusMethodNotAllowed, nil
	}

	p, ok := passenger.FromContext(ctx)
	if !ok {
		return http.StatusUnauthorized, nil
	}

	key, err := datastore.DecodeKey(mux.Vars(r)["key"])
	if err != nil {
		return http.StatusInternalServerError, err
	}

	var challenge model.Challenge

	err = datastore.Get(ctx, key, &challenge)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	e := json.NewEncoder(w)
	if parent := p.UserKey.Parent(); parent == nil {
		// The current user is a coder so we must also create a result.
		e.Encode(challenge.Key(key))
	} else {
		// TODO(pbochis): If a company representativemakes the request
		// we also include Tasks in the response.
		e.Encode(challenge.Key(key))
	}

	return http.StatusOK, nil
}
func Get(c context.Context, key, def string, values ...interface{}) string {
	configLock.Lock()
	defer configLock.Unlock()
	val, ok := configCache[key]
	if ok {
		return fmt.Sprintf(val, values...)
	}
	value := Value{}
	dskey := datastore.NewKey(c, ConfigName, key, 0, nil)
	err := datastore.Get(c, dskey, &value)
	if err == datastore.ErrNoSuchEntity {
		value.Val = def
		log.Infof(c, "Creating default config for key - %s - default value is - %s", key, value.Val)
		_, err = datastore.Put(c, dskey, &value)
		if err != nil {
			log.Errorf(c, "Error creating default config for key - %s - error is - %v", key, err)
		}
		return fmt.Sprintf(def, values...) // return default, totally new config setting
	}
	if err != nil {
		log.Errorf(c, "Error fetching config for key - %s - error is - %v", key, err)
		return def // error, return the default
	}
	configCache[key] = value.Val
	return fmt.Sprintf(value.Val, values...)
}
示例#26
0
func findPlayer(c context.Context, key *datastore.Key) (*PlayerData, error) {
	data := new(PlayerData)
	if err := datastore.Get(c, key, data); err != nil {
		return new(PlayerData), err
	}
	return data, nil
}
示例#27
0
func newPlayer(w http.ResponseWriter, r *http.Request) {
	ctx := appengine.NewContext(r)

	id := r.FormValue("id")
	if id == "" {
		http.Error(w, "need a non-blank id from the form data", http.StatusBadRequest)
		return
	}

	k := datastore.NewKey(ctx, "Player", id, 0, nil)
	err := datastore.RunInTransaction(ctx, func(ctx context.Context) error {
		var p *Player
		if err := datastore.Get(ctx, k, p); err != datastore.ErrNoSuchEntity {
			return codeErr{fmt.Errorf("player(%s) already exists", id), http.StatusConflict}
		}

		// TODO(jaguilar): Add another system. Add a system Registry. Leagues
		// can have ratings.
		p = &Player{Rating: eloSys.InitialRating(), key: k}
		if _, err := datastore.Put(ctx, p.key, p); err != nil {
			return err
		}
		return nil
	}, nil)
	if err != nil {
		httpError(w, err)
		return
	}
	fmt.Fprintf(
		w,
		`<html><head><meta http-equiv="refresh" content="5,/"></head>
		<body>Successfully added %s. Redirecting you in five seconds.</body></html>`,
		id)
}
示例#28
0
func getSoldCounter(c context.Context) int {
	var cachedCounter int
	_, err := memcache.JSON.Get(c, "sold", &cachedCounter)
	if err == nil {
		log.Infof(c, "[counter] Cache hit")
		return cachedCounter
	}

	if err != memcache.ErrCacheMiss {
		log.Infof(c, "[counter] Unexpected error")
		web.LogError(c, err, "Error accessing counter in memcache")
	} else {
		log.Infof(c, "[counter] Cache miss")
	}

	sold := new(Counter)
	key := datastore.NewKey(c, "Counter", "sold", 0, nil)
	err = datastore.Get(c, key, sold)
	if err != nil && err != datastore.ErrNoSuchEntity {
		web.LogError(c, err, "Error reading counter from datastore")
		return 0
	}

	err = memcache.JSON.Set(c, &memcache.Item{
		Key:    "sold",
		Object: &sold.Value,
	})
	if err != nil {
		web.LogError(c, err, "Error storing counter in memcache")
	}
	return sold.Value
}
示例#29
0
func deleteData(res http.ResponseWriter, req *http.Request) {
	ctx := appengine.NewContext(req)
	u := user.Current(ctx)
	keyVal := req.FormValue("keyVal")
	key, err := datastore.DecodeKey(keyVal)
	if err != nil {
		http.Error(res, "Invalid data", http.StatusBadRequest)
		log.Warningf(ctx, err.Error())
		return
	}
	var l list
	err = datastore.Get(ctx, key, &l)
	if err != nil {
		http.Error(res, "Invalid data", http.StatusBadRequest)
		log.Warningf(ctx, err.Error())
		return
	}
	if l.Owner != u.Email {
		http.Error(res, "Not authorized to delete this entry", http.StatusUnauthorized)
		log.Warningf(ctx, err.Error())
		return
	}
	err = datastore.Delete(ctx, key)
	if err != nil {
		http.Error(res, "Server Error", http.StatusInternalServerError)
		log.Errorf(ctx, err.Error())
		return
	}
}
示例#30
0
func incrementSoldCounter(c context.Context) error {
	_, err := memcache.IncrementExisting(c, "sold", 1)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			log.Infof(c, "[counter] Cache miss when incrementing")
		} else {
			return err
		}
	}

	sold := new(Counter)
	err = datastore.RunInTransaction(c, func(c context.Context) error {
		key := datastore.NewKey(c, "Counter", "sold", 0, nil)
		err := datastore.Get(c, key, sold)
		if err != nil && err != datastore.ErrNoSuchEntity {
			return err
		}
		sold.Value++
		_, err = datastore.Put(c, key, sold)
		if err != nil {
			sold.Value--
			return err
		}
		return nil
	}, nil)

	return err
}