public async Task <IActionResult> OnPostAsync()
{
// if model is valid then process
if (ModelState.IsValid)
{
var mode = "edit";
// if this is a revision to an existing comment then add revision
if (CommentEditModel.Id.HasValue)
{
RevisionAddModel model = new RevisionAddModel
{
CommentHeaderId = CommentEditModel.Id.Value,
Text = CommentEditModel.NewText
};
await _service.AddRevisionAsync(model);
}
// Else add comment - need current user id
else
{
mode = "add";
CommentAddModel model = new CommentAddModel
{
UserId = User.FindFirstValue(ClaimTypes.NameIdentifier),
Text = CommentEditModel.NewText
};
await _service.AddCommentAsync(model);
}
StatusMessage = string.Format("Comment {0}ed successfully", mode);
return(RedirectToPage("Index"));
}
// else redisplay page - validation errors will be displayed
return(Page());
}
/// <summary>
/// Task for adding a revision to a comment header
/// </summary>
/// <param name="model">the revision to add</param>
/// <returns>Task for adding a revision to a comment header</returns>
public async Task AddRevisionAsync(RevisionAddModel model)
{
CommentRevision revision = new CommentRevision
{
CommentHeaderId = model.CommentHeaderId,
CreatedDate = DateTime.UtcNow,
Text = model.Text
};
_context.CommentRevisions.Add(revision);
await _context.SaveChangesAsync();
}
