public IActionResult Index()
{
bool?IsLoggedIn = HttpContext.Session.Get <bool?>("IsLoggedIn") ?? false;
if (IsLoggedIn == false)
{
return(Redirect(Url.Action("Login", "Home")));
}
Random random = new Random();
//int rnd1;
//int rnd2;
//int rnd3;
//int rnd4;
List <string> HomePagePics = new List <string>();
int calls = 0;
for (int i = 0; i < 5; i++)
{
if (calls == 20)
{
//capping at 20 because you are limited to 1000 calls per hour
break;
}
int RandomSol = random.Next(0, 3109);// Numbers 0 - 3,108 will be selected. Curiosity is at 3,108 sols (3,193 earth days) on mars.
//creating the url with a random sol. Side note computers cant actually create anything random there is only pseudorandom. Dont believe me? google it.
string NASAURL = "https://api.nasa.gov/mars-photos/api/v1/rovers/curiosity/photos?sol=" + RandomSol.ToString() + "&api_key=" + HttpContext.Session.Get <string>("APIKey");
calls++;
//creating the client AKA thing the grabs the results from ^^^ this thing
HttpClient client = new HttpClient();
HttpResponseMessage resp = client.GetAsync(NASAURL).Result;
//Gets the results a string
string obj = resp.Content.ReadAsStringAsync().Result;
//Makes a json object
var jObject = JObject.Parse(obj);
//makes a Jtoken with the info I need
var JPhotos = jObject["photos"];
//this bad so dont do this
if (JPhotos == null || JPhotos.Count() == 0)
{
//Subtracting 1 because I want it to go through 5 times successfully
i = i - 1;
continue;
}
//I dont want the same camera from each call most of the photos are basically the same
List <string> UsedCameras = new List <string>();
//Stops for loop at specified index in for loop
int StopAt = 0;
for (int x = 0; x < JPhotos.Count(); x++)
{
//Checks to see if the camera was already used and if it was we dont care so continue
if (UsedCameras.Contains(JPhotos[x]["camera"]["name"].ToString()))
{
continue;
}
//adds the current camera to the list
UsedCameras.Add(JPhotos[x]["camera"]["name"].ToString());
//adds img_src (url to get the photo) to the list. To be used in the view
HomePagePics.Add(JPhotos[x]["img_src"].ToString());
//increases the value
StopAt++;
//this is where you can specify when you want to stop I recommend 5 because you will still have a lot of photos and it wont take ages to load the landing page.
//But you can enter whatever floats your metaphorical boat... or your real one I guess but changing that value wont make it float.
if (StopAt == 5)
{
break;
}
}
}
//pseudorandomness!!!! I run it through 15 times to get the list nice and mixed up
for (int i = 0; i < 15; i++)
{
HomePagePics = SupportFunctions.ShuffleMe(HomePagePics);
}
return(View(HomePagePics));
}