public List <Attachment> makeRequest(string placeName, string category)
{
Random rnd = new Random();
int rk = rnd.Next(keys.Count);
string key = keys[rk];
List <Attachment> types = new List <Attachment>();
string ts_url = "https://maps.googleapis.com/maps/api/place/textsearch/json?key=" + key + "&query=" + category + "+in+" + placeName;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(ts_url);//making a http web request
request.Method = Method.ToString();
using (HttpWebResponse res = (HttpWebResponse)request.GetResponse())
{
Stream res_stream = res.GetResponseStream(); //creating a response stream to read the response
StreamReader st_read = new StreamReader(res_stream); //crreating a stream reader to read from the response stream
string places = st_read.ReadToEnd(); //reading the response stream until the end and assigning to string
//the response we get is in the form of a json but converted to string when we get, this is serialization
//once we get the string form of data we convert it into jason to access internal class objects and data,this is called deserialization
RootObject_ts places_ts = JsonConvert.DeserializeObject <RootObject_ts>(places); //Root object of city deserialization of json data
int i = 0;
references.Clear();
foreach (var r1 in places_ts.results)
{
string typeName = r1.name;
string rating = " RATING : " + r1.rating.ToString();
string typeAddress = " ADDRESS : " + r1.formatted_address;
PlaceDetails pd = new PlaceDetails();
pd.makeRequest(r1.place_id);
string url = pd.getUrl();
try
{
references.Add(r1.photos[0].photo_reference);
}
catch (Exception e)
{
references.Add("");
}
List <CardAction> buttons = new List <CardAction>
{
new CardAction(ActionTypes.PostBack, " View place and its reviews ", value: "Place Id : " + i + r1.place_id),
new CardAction(ActionTypes.OpenUrl, " Get directions to visit place ", value: url)
};
Attachment heroCard = GetHeroCard(typeName, rating, typeAddress, buttons);
types.Add(heroCard);
i++;
if (i == 5)
{
break;
}
}
return(types);
}
}
