public string GetHelp()
{
DateTime startTime = DateTime.Now;
MonitorStatic.AddRequestFromClient();
MonitorStatic.AddDelay(DateTime.Now.Subtract(startTime).TotalMilliseconds);
return("Choose 1. List all stations of a city, the server will show you all the stations available in the city you input.\n" +
"Attention: You should input a valid city.\n\n" +
"Choose 2. Search for a station by name, first you need to input a city, then you input the name of the station you want to search, you can get the information of this station.\n" +
"Attention: Both the name of the city and the station should be valid, there is no limitation of upper or lower case for the names.\n");
}
public async Task <string> GetStationInfo(string city, string station)
{
DateTime startTime = DateTime.Now;
MonitorStatic.AddRequestFromClient();
if (cacheStation[station] != null)
{
MonitorStatic.AddDelay(DateTime.Now.Subtract(startTime).TotalMilliseconds);
return((string)cacheStation[station]);
}
string requestUri = "https://api.jcdecaux.com/vls/v1/stations/?contract=" + city + "&apiKey=" + key;
WebRequest request = WebRequest.Create(requestUri);
request.ContentType = "text/html;charset=UTF-8";
request.Method = "GET";
request.Proxy = null;
MonitorStatic.AddRequestToVelib();
WebResponse response;
try
{
response = await request.GetResponseAsync();
}
catch (Exception e)
{
return("Not a valid city");
}
Stream dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream);
string responseFromServer = reader.ReadToEnd(); // Display the content.
List <Station> velibs = JsonConvert.DeserializeObject <List <Station> >(responseFromServer);
Station a = null;
foreach (Station velib in velibs)
{
if (velib.name.Contains(station.ToUpper()))
{
a = velib;
cacheStation.Set(station, a.ToString(), policy);
MonitorStatic.AddCacheInfo();
break;
}
}
if (a != null)
{
MonitorStatic.AddDelay(DateTime.Now.Subtract(startTime).TotalMilliseconds);
return(a.ToString());
}
MonitorStatic.AddDelay(DateTime.Now.Subtract(startTime).TotalMilliseconds);
return("Not a valid station, please try again.");
}
public string GetRequestToVelib(string startTime, string endTime)
{
double start;
double end;
try
{
start = Convert.ToDouble(startTime);
end = Convert.ToDouble(endTime);
}catch (Exception e)
{
return("Please input a valid number");
}
return("Number of requests to Velib: " + MonitorStatic.GetRequestNumberToVelib(start, end).ToString());
}
public async Task <string> GetStationsOfACity(string city)
{
DateTime startTime = DateTime.Now;
MonitorStatic.AddRequestFromClient();
if (cacheCity[city] != null)
{
MonitorStatic.AddDelay(DateTime.Now.Subtract(startTime).TotalMilliseconds);
return((string)cacheCity[city]);
}
string requestUri = "https://api.jcdecaux.com/vls/v1/stations/?contract=" + city + "&apiKey=" + key;
WebRequest request = WebRequest.Create(requestUri);
request.ContentType = "text/html;charset=UTF-8";
request.Method = "GET";
request.Proxy = null;
MonitorStatic.AddRequestToVelib();
WebResponse response;
try
{
response = await request.GetResponseAsync();
}
catch (Exception e)
{
MonitorStatic.AddDelay(DateTime.Now.Subtract(startTime).TotalMilliseconds);
return("Not a valid city.Please try again.");
}
Stream dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream);
string responseFromServer = reader.ReadToEnd(); // Display the content.
List <Station> velibs = JsonConvert.DeserializeObject <List <Station> >(responseFromServer);
string result = "";
foreach (var station in velibs)
{
result += station.name;
result += "\n";
}
cacheCity.Set(city, result, policy);
MonitorStatic.AddCacheInfo();
MonitorStatic.AddDelay(DateTime.Now.Subtract(startTime).TotalMilliseconds);
return(result);
}
public string GetDelay()
{
return(MonitorStatic.GetDelay());
}
public int GetCacheNumber()
{
return(MonitorStatic.GetCacheInfo());
}
