public ActionResult Post(string mediaID)
{
/* No current session could be found, back to the homepage. */
if (this.Session["CurrentSession"] == null)
{
return(RedirectToAction("Index"));
}
/* Access the current InstagramSession and fetch all media. */
InstagramSession currentSession = (InstagramSession)this.Session["CurrentSession"];
IList <InstagramPost> recentMedia = currentSession.GetMedia();
/* Search for the specific post mentioned in 'mediaID' */
foreach (InstagramPost post in recentMedia)
{
/* Post has been found */
if (post.ID == mediaID)
{
/* Fetch the comments of post in discussion,
* create a ViewModel and return it. */
IList <InstagramComment> comments = currentSession.GetComments(mediaID);
PostViewModel viewModel = new PostViewModel {
Post = post, Comments = comments
};
return(View(viewModel));
}
}
/* No media matching specified mediaID has been found */
return(RedirectToAction("Index"));
}
// GET: Instagram/Access
/* The Access action is the redirect configured in Instagram API's settings.
* Once authentication has been succesful, the user is redirected here, with
* a code parameter that must be exchanged for the access_token. In case of
* denial by user, the 'error' parameter will contain a value. */
public ActionResult Access(string code, string error)
{
/* Either user has denied access or
* there is no code parameter present. */
if (error != null || code == null)
{
return(RedirectToAction("Index"));
}
/* Extract authentication data necessary for communication with Instagram servers.
* Initialize an instance of InstagramSession, the class that handles communication
* with the API. */
string clientID = ConfigurationManager.AppSettings["Instagram.ClientID"];
string clientSecret = ConfigurationManager.AppSettings["Instagram.ClientSecret"];
string redirectURL = WebConfigurationManager.AppSettings["Instagram.RedirectUrl"];
InstagramSession currentSession = new InstagramSession(clientID, clientSecret, redirectURL, code);
/* Authentication succesful, access token has been retrieved.
* Store current InstagramSession and redirect to 'Media'
* controller for the purpose of fetching and displaying data. */
if (currentSession.RequestAccesToken())
{
this.Session["CurrentSession"] = currentSession;
return(RedirectToAction("Media"));
}
/* Authentication failed, back to homepage. */
return(RedirectToAction("Index"));
}
// GET: Instagram/Media
/* Returns latest media of currently authenticated user. The InstagramSession
* object for the current session is preserved through .NET Session State.
* */
public ActionResult Media()
{
/* No current session could be found, back to the homepage. */
if (this.Session["CurrentSession"] == null)
{
return(RedirectToAction("Index"));
}
/* Access the current InstagramSession and fetch user data/media. */
InstagramSession currentSession = (InstagramSession)this.Session["CurrentSession"];
IList <InstagramPost> recentMedia = currentSession.GetMedia();
InstagramUser currentUser = currentSession.GetUser();
/* Wrap the user and media into a single model and pass
* that to the view for displaying purposes. */
MediaViewModel viewModel = new MediaViewModel {
User = currentUser, Media = recentMedia
};
return(View(viewModel));
}
public MainWindowViewModel()
{
Session = new InstagramSession();
}
