public static LiveTrafficDataResponse.Response RetrieveLiveTrafficData(string apiKey, string URL)
{
LiveTrafficDataResponse.Response responseObject = null;
LiveTrafficDataAPIClient apiClient = new LiveTrafficDataAPIClient();
apiClient.apiKey = apiKey;
apiClient.apiURL = URL;
try
{
var response = apiClient.RequestDataFromAPI();
if (response != null)
{
// this will be false if an invalid api key is sent through to the api
if (response.IsSuccessStatusCode)
{
string data = response.Content.ReadAsStringAsync().Result;
responseObject = (LiveTrafficDataResponse.Response)JsonConvert.DeserializeObject(data, typeof(LiveTrafficDataResponse.Response));
}
}
}
catch (Exception ex)
{
responseObject = null;
}
return(responseObject);
}
static void Main(string[] args)
{
ConsoleMessaging.DisplayMessageToUser("Attempting to retrieve camera data from the api.");
LiveTrafficDataResponse.Response cameraData = LiveTrafficData.RetrieveLiveTrafficData("j1zHbAwDsYNo4sR9FpInRVzIX8698p9JxomI", "https://api.transport.nsw.gov.au/v1/live/cameras");
// check if null. null means an error occured when talking to the api or deserialising
// the data
if (cameraData != null)
{
ConsoleMessaging.DisplayMessageToUser("Successfully retrieved camera data from the api.");
ConsoleMessaging.DisplayMessageToUser("Now converting api data to a csv file.");
string filePath = CSVFile.GenerateFile(cameraData, "output.csv");
if (!String.IsNullOrEmpty(filePath))
{
ConsoleMessaging.DisplayMessageToUser("File generated successfully. It can be found at " + filePath);
}
else
{
ConsoleMessaging.DisplayMessageToUser("File failed to be created.");
}
}
else
{
ConsoleMessaging.DisplayMessageToUser("Something went wrong when retrieving the camera data.");
}
}
public static string GenerateFile(LiveTrafficDataResponse.Response apiData, string fileName)
{
try
{
if (apiData != null && !String.IsNullOrEmpty(fileName))
{
directoryPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "LiveTrafficData");
fullFilePath = Path.Combine(directoryPath, fileName);
if (!Directory.Exists(directoryPath))
{
HelperMethods.CreateDirectory(directoryPath);
}
if (!File.Exists(fullFilePath))
{
HelperMethods.CreateFile(fullFilePath);
}
if (!GenerateCSVFile(apiData))
{
fullFilePath = null;
}
}
}
catch (Exception ex)
{
fullFilePath = null;
}
return(fullFilePath);
}
private static bool GenerateCSVFile(LiveTrafficDataResponse.Response apiData)
{
bool success = true;
if (apiData != null && apiData.features != null)
{
try
{
string delimiter = ",";
using (StreamWriter writer = new StreamWriter(fullFilePath, false))
{
// write the headers
string headerRow = "Region" + delimiter + "Title" + delimiter + "View" + delimiter
+ "Direction";
writer.WriteLine(headerRow);
// write the actual content
foreach (LiveTrafficDataResponse.FeatureObject item in apiData.features)
{
string contentRow = item.properties.region + delimiter + item.properties.title +
delimiter + item.properties.view + delimiter + item.properties.direction;
writer.WriteLine(contentRow);
}
}
}
catch (Exception ex)
{
success = false;
}
}
else
{
success = false;
}
return(success);
}
