[AllowAnonymous] // This needs to allow anonymous because the user accessing this page won't have an account yet.
public async Task <IActionResult> Create(CreateModel model)
{
// Make controller base class do security check on itself, and validate account creation fields.
if (ModelState.IsValid && ValidateCreateModel(model))
{
IdentityUser user = new IdentityUser // Satisfy both UserName and Email field of IdentityUser with the provided email.
{
UserName = model.Email,
Email = model.Email
};
// Attempt to create account and get hold onto result.
IdentityResult result = await userManager.CreateAsync(user, model.Password);
if (result.Succeeded) // Account creation succesful.
{
// Retrieve the user that was just created.
IdentityUser id = await userManager.FindByEmailAsync(model.Email);
// Create Profile instance with primary key ID of IdentityUser for password, provided name, and default values.
// The user's Profile is retrieved using the Id of their IdentityUser.
Profile profile = new Profile
{
Password = id.Id, // The user will not enter this number when logging in, this will get passed behind the scenes.
FirstName = FirstLetterToUpper(model.FirstName), // provideded
LastName = FirstLetterToUpper(model.LastName), // provideded
Bio = "", // default
ProfilePicture = 0, // default
DateTime = DateTime.UtcNow // default
};
// Add profile to the database.
profileRepo.SaveProfile(profile);
// Sign them in with the profile that was just added to the database.
currentProfile.SetProfile(profileRepo.ById(profile.ProfileId));
// Return home page.
return(RedirectToAction("Index", "Home"));
}
else // Account creation failed.
{
// Transfer errors from account creation results to controller model state so they can be displayed on error page.
foreach (IdentityError error in result.Errors)
{
ModelState.AddModelError("", error.Description);
}
}
}
// If controller model state or credentials were invalid, send back provided account details and or account creation result errors.
return(View(model));
}
/*
* Returns home page to user.
*/
public IActionResult Index()
{
// If someone is logged in, bring them home.
if (currentProfile.profile == null)
{
return(RedirectToAction("Login", "Account"));
}
currentProfile.SetProfile(profileRepo.ById(currentProfile.profile.ProfileId)); // Refreshes current profile
// Returns home page to user with their ProfileID attached.
return(View(currentProfile.id));
}
public void DeleteImage(int imageId)
{
// Get a handle on the image record by ImageID provided.
Models.Image image = imageRepo.ById(imageId);
// Validate image ownership.
if (image.ProfileId == currentProfile.id)
{
// Burrow into the nested dependencies and delete them on the way out.
// Pattern: (1)prep list, (2)fill list, (3)loop list, (4)repeat pattern on dependencies, (5)delete record.
List <Post> posts = new List <Post>(); // (1)Prep list.
foreach (Post p in postRepo.Posts.Where(p => p.ImageId == imageId))
{
posts.Add(p);
} // (2)Fill list.
foreach (Post p in posts) // (3)Loop list.
{
// (4)Repeat pattern on dependencies.
List <Comment> comments = new List <Comment>();
foreach (Comment c in commentRepo.ByPostId(imageId))
{
comments.Add(c);
}
foreach (Comment c in comments)
{
List <Like> commentLikes = new List <Like>();
foreach (Like l in likeRepo.ByTypeAndId(2, c.CommentId))
{
commentLikes.Add(l);
}
foreach (Like l in commentLikes)
{
likeRepo.DeleteLike(l);
}
commentRepo.DeleteComment(c);
}
List <Like> postLikes = new List <Like>();
foreach (Like l in likeRepo.ByTypeAndId(1, p.PostId))
{
postLikes.Add(l);
}
foreach (Like l in postLikes)
{
likeRepo.DeleteLike(l);
}
// (5)Delete record.
postRepo.DeletePost(p);
}
// If the user is using the image to be deleted as a profile picture, give them their default profile picture.
if (currentProfile.profile.ProfilePicture == imageId)
{
// Get profile by current user's ProfileID.
// (By doing this, instead of using currentUser.profile, it gaurentees that this is the latest version of the profile.)
Profile profile = profileRepo.ById(currentProfile.id);
profile.ProfilePicture = 0; // Give default profile picture ImageID.
profileRepo.SaveProfile(profile); // Commit profile changes.
currentProfile.SetProfile(profile); // Update CurrentProfile in session.
}
// Remove fullsize and thumbnail images from file system.
DeleteFromFileSystem(image.Name, env.WebRootPath);
// Delete image record from database.
imageRepo.DeleteImage(image);
}
}
