예제 #1
0
 //Transformacija iz base klase u derived klasu
 public Restoran(Venue v)
 {
      this.Naziv = v.Naziv;
      this.fourSqaureId = v.fourSqaureId;
      this.Opis = v.Opis;
      this.Slika = v.Slika;
      this.Telefon = v.Telefon;
      this.GeoSirina = v.GeoSirina;
      this.GeoDuzina = v.GeoDuzina;
      this.Rating = v.Rating/2;
      this.Adresa = v.Adresa;
  }
예제 #2
0
 //glavni poziv koji pozove Rest Upit da se dobiju svi venues oko lat,lng
 //i pretvore u listu venues
 public async Task getVenus(double latitude, double longitude)
 {
     Venues = new List<Venue>();
     //pozvati rest upit
     HttpClient httpClient = new HttpClient();
     string uriString = "https://api.foursquare.com/v2/venues/search?ll=" + latitude + "," + longitude + "&query=restaurant&oauth_token=" + oAuthToken + "&v=20160410";
     string response = await httpClient.GetStringAsync(new Uri(uriString));
     //response je string koji se konvertuje u JsonObject
     JsonObject value = JsonValue.Parse(response).GetObject();
     //Sad je potrebno parsirati taj objekat
     //Pratiti izgled response u dokumentaciji i polje po polje parsirati
     //osjetljiv dio koda posto servisi imaju obicaj da promjene nazive polja
     JsonObject responseVenus = value.GetNamedObject("response");
     JsonArray jsonVenus = responseVenus.GetNamedArray("venues");
     for (uint i = 0; i < jsonVenus.Count; i++)
     {
         JsonObject contact = jsonVenus.GetObjectAt(i).GetNamedObject("contact");
         JsonObject location = jsonVenus.GetObjectAt(i).GetNamedObject("location");
         Venue ven = new Venue();
         ven.fourSqaureId = jsonVenus.GetObjectAt(i).GetNamedString("id");
         IJsonValue jsonValue;
         //neke vrijednosti mozda ne postoje u tom slucaju ne mogu se ni postaviti
         if (jsonVenus.GetObjectAt(i).TryGetValue("name", out jsonValue))
         {
             ven.Naziv = jsonValue.GetString();
         }
         if (jsonVenus.GetObjectAt(i).TryGetValue("phone", out jsonValue))
         {
             ven.Telefon = jsonValue.GetString();
         }
         if (jsonVenus.GetObjectAt(i).TryGetValue("lat", out jsonValue))
         {
             ven.GeoSirina = jsonValue.GetNumber();
         }
         if (jsonVenus.GetObjectAt(i).TryGetValue("lng", out jsonValue))
         {
             ven.GeoDuzina = jsonValue.GetNumber();
         }
         if (jsonVenus.GetObjectAt(i).TryGetValue("address", out jsonValue))
         {
             ven.Adresa = jsonValue.GetString();
         }
         Venues.Add(ven);
     }
 }
예제 #3
0
 //posto lista ne vrati sve podatke u venue, ostali podaci Slika, Opis Rating se moraju naknadno dodati
 public async Task updateVenueDetailed(Venue v,Action callback)
 {
     //ako je vec updated nemoj opet
     if (!v.Detailed)
     {
         Venues = new List<Venue>();
         //opet rest poziv
         HttpClient httpClient = new HttpClient();
         string uriString = "https://api.foursquare.com/v2/venues/" + v.fourSqaureId + "?oauth_token=" + oAuthToken + "&v=20160410";
         string response = await httpClient.GetStringAsync(new Uri(uriString));
         //pa parsiranje
         JsonObject value = JsonValue.Parse(response).GetObject();
         JsonObject responseVenue = value.GetNamedObject("response");
         JsonObject venue = responseVenue.GetNamedObject("venue");
         IJsonValue jsonValue;
         if (venue.TryGetValue("rating", out jsonValue))
         {
             v.Rating = jsonValue.GetNumber()/2;
         }
         JsonObject tips = venue.GetNamedObject("tips");
         JsonArray tipGroups = tips.GetNamedArray("groups");
         if (tipGroups.Count > 0)
         {
             jsonValue = tipGroups.Last();
             JsonObject tip = jsonValue.GetObject();
             JsonArray tipItems = tip.GetNamedArray("items");
             if (tipItems.Count > 0)
             {
                 v.Opis = tipItems.GetObjectAt(0).GetNamedString("text");
             }
         }
         if (venue.TryGetValue("bestPhoto", out jsonValue))
         {
             JsonObject bestPhoto = jsonValue.GetObject();
             string prefix = bestPhoto.GetNamedString("prefix");
             string suffix = bestPhoto.GetNamedString("suffix");
             v.Slika = prefix + defaultPictureWidth + "x" + defaultPictureHeight + suffix;
         }
         else
         {
             //else iskopati sliku iz liste svih slika
         }
         v.Detailed = true;
     }
     //posto je funkcija async i cesto ce imati i delay ovisno o konekciji
     //u callback se stavi funkcija (izmjeni gui npr) koja se poziva kada async zavrsi
     callback();
 }