//--- Default constructor ---------------------------------------------------
/// <summary>
/// Create empty picture of the day object
/// </summary>
public APOD()
{
//nothing special here...
VideoType = NasaVideoType.NONE;
IsDownloading = false;
}
//--- Date-based constructor ---------------------------------------------------
/// <summary>
/// Create picture of the date object for given date
/// </summary>
/// <param name="apiDate">Date of picture of the day</param>
public APOD(DateTime apiDate)
{
SetApiDate(apiDate);
VideoType = NasaVideoType.NONE;
IsDownloading = false;
}
/// <summary>
/// Set given date for APOD API
/// </summary>
/// <param name="apiDate">API date</param>
public void SetApiDate(DateTime apiDate)
{
//Don't go below minimum date
if (apiDate < _DATE_MIN)
{
apiDate = _DATE_MIN;
}
//Double check API key and fall back to default if needed
if (_apiKey == null || _apiKey == string.Empty || _apiKey.Length != 40)
{
if (_apiKey != "DEMO_KEY")
{
_apiKey = _apiKeyDefault;
}
}
//Create API URL
string _apiURL = _baseURL;
_apiURL += "?api_key=" + _apiKey;
_apiURL += "&hd=true";
_apiURL += "&date=" + apiDate.Year + "-";
if (apiDate.Month < 10)
{
_apiURL += "0" + apiDate.Month + "-";
}
else
{
_apiURL += apiDate.Month + "-";
}
if (apiDate.Day < 10)
{
_apiURL += "0" + apiDate.Day;
}
else
{
_apiURL += apiDate.Day;
}
//Call websvc and strip json to local vars
try
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
using WebClient wc = new();
JsonDeserialize(wc.DownloadString(_apiURL));
ApiDate = apiDate;
//Set media type flags
if (MediaType == "image")
{
IsImage = true;
VideoType = NasaVideoType.NONE;
}
else
{
IsImage = false;
VideoType = NasaVideoType.NONE;
if (Url.Contains(VID_TYPE_YT) || HdUrl.Contains(VID_TYPE_YT))
{
VideoType = NasaVideoType.YOUTUBE;
}
if (Url.Contains(VID_TYPE_VM) || HdUrl.Contains(VID_TYPE_VM))
{
VideoType = NasaVideoType.VIMEO;
}
}
}
catch (Exception e)
{
Copyright = string.Empty;
Date = string.Empty;
Explanation = string.Empty;
HdUrl = string.Empty;
MediaType = string.Empty;
ServiceVersion = string.Empty;
Title = string.Empty;
Url = string.Empty;
ApiDate = apiDate;
IsImage = false;
VideoType = NasaVideoType.NONE;
throw e;
}
}
