func (c *statisticsCollection) GetLast(adID *bson.ObjectId, n int) (*Statistic, log.ServerError) {
var result Statistic
err := c.Find(bson.M{"adId": *adID}).Sort("-at").Skip(n - 1).One(&result)
if err != nil {
return nil, log.NewInternalError(err)
}
return &result, nil
}
func (c *controller) Click(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
view, err := getStatistic(p.ByName("viewId"), c.app.Database().Views())
if err != nil {
c.writeError(w, err)
return
}
clickID := c.app.Database().Clicks().SaveNextStatistic(view)
ad, e := c.app.Database().Ads().GetAdByID(&view.AdID)
if e != nil {
c.writeError(w, log.NewInternalError(e))
return
}
conversion, err := c.app.Database().Conversions().GetLast(&view.AdID, 1)
if err == nil {
click, err := c.app.Database().Clicks().GetLast(&view.AdID, 100)
if err == nil && click != nil && (conversion == nil || click.At > conversion.At) {
toggleAd(&view.AdID, c.app.Database(), false)
}
}
url, e := url.ParseRequestURI(ad.ConversionURL + clickID.Hex())
if e != nil {
c.writeError(w, log.NewInternalError(e))
return
}
d := func(req *http.Request) {
req = r
req.URL.Scheme = url.Scheme
req.URL.Host = url.Host
req.URL.Path = url.Path
req.URL.RawQuery = url.RawQuery
}
proxy := &httputil.ReverseProxy{Director: d}
proxy.ServeHTTP(w, r)
}
func (c *statisticsCollection) GetById(id *string) (*Statistic, log.ServerError) {
if !bson.IsObjectIdHex(*id) {
return nil, log.NewError(http.StatusBadRequest, "provided value is not valid object id")
}
var result Statistic
err := c.FindId(bson.ObjectIdHex(*id)).One(&result)
if err != nil {
return nil, log.NewInternalError(err)
}
return &result, nil
}
func (c *controller) View(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
database := c.app.Database()
apps := database.Apps()
t := getAdType(r)
if t == "" {
c.writeError(w, log.NewError(http.StatusBadRequest, "type of request ad is not specified"))
return
}
devApp, err := apps.GetApp(r)
if err != nil {
c.writeError(w, err)
return
}
client, err := models.GetClient(c.app.GeoIP(), r)
if err != nil {
c.writeError(w, err)
return
}
ad, err := c.strategy.NextAd(client)
if err != nil {
c.writeError(w, err)
return
}
viewId := database.Views().SaveStatistic(ad.ID, devApp.ID, client)
adInfo := getInfo(t, viewId, ad, r)
jsonAd, e := json.Marshal(adInfo)
if e != nil {
c.writeError(w, log.NewInternalError(e))
return
}
w.Write(jsonAd)
}