/// <summary>
/// Moves navigations towards provided direction.
/// </summary>
/// <param name="id"></param>
/// <param name="direction"></param>
/// <returns>Tuple of bool and string.</returns>
public async Task <(bool, string)> MoveNavigationAsync(int id, MoveNavi direction)
{
if (id != 0)
{
PortfolioNavigation navigation = await _dbContext.PortfolioNavigations.SingleOrDefaultAsync(x => x.Id == id);
if (navigation != null)
{
if (direction == MoveNavi.Down)
{
if (navigation.Order == _dbContext.PortfolioNavigations.Count())
{
return(false, "Error: Navigation is already at the end.");
}
PortfolioNavigation nextNavigation = await _dbContext.PortfolioNavigations.SingleOrDefaultAsync(x => x.Order == navigation.Order + 1);
if (nextNavigation != null)
{
nextNavigation.Order = nextNavigation.Order - 1;
_dbContext.PortfolioNavigations.Update(nextNavigation);
navigation.Order = navigation.Order + 1;
_dbContext.PortfolioNavigations.Update(navigation);
await _dbContext.SaveChangesAsync();
return(true, "Navigation moved down.");
}
return(false, "Error: Next navigation not found.");
}
else if (direction == MoveNavi.Up)
{
if (navigation.Order == 1)
{
return(false, "Error: Navigation is already at the top.");
}
PortfolioNavigation previousNavigation = await _dbContext.PortfolioNavigations.SingleOrDefaultAsync(x => x.Order == navigation.Order - 1);
if (previousNavigation != null)
{
previousNavigation.Order = previousNavigation.Order + 1;
_dbContext.PortfolioNavigations.Update(previousNavigation);
navigation.Order = navigation.Order - 1;
_dbContext.PortfolioNavigations.Update(navigation);
await _dbContext.SaveChangesAsync();
return(true, "Navigation moved up.");
}
return(false, "Error: Previous navigation not found");
}
}
}
return(false, "Error: Item not found");
}
/// <summary>
/// Adds navigation item.
/// </summary>
/// <param name="navigation"></param>
/// <returns>Tuple of bool and string.</returns>
public async Task <(bool, string)> AddNavigationAsync(PortfolioNavigation navigation)
{
if (navigation != null)
{
int order = _dbContext.PortfolioNavigations.Count();
navigation.Order = order + 1;
_dbContext.PortfolioNavigations.Add(navigation);
await _dbContext.SaveChangesAsync();
return(true, "Page added successfully");
}
return(false, "Null object provided.");
}
/// <summary>
/// Updates navigation item.
/// </summary>
/// <param name="navigation"></param>
/// <returns>Tuple of bool and string.</returns>
public async Task <(bool, string)> UpdateNavigationAsync(PortfolioNavigation navigation)
{
if (navigation != null)
{
PortfolioNavigation dbNavigation = await _dbContext.PortfolioNavigations.SingleOrDefaultAsync(x => x.Id == navigation.Id);
if (dbNavigation != null)
{
dbNavigation.Name = navigation.Name;
dbNavigation.Url = navigation.Url;
_dbContext.PortfolioNavigations.Update(dbNavigation);
await _dbContext.SaveChangesAsync();
return(true, "Navigation item updated successfully.");
}
return(false, "Item not found.");
}
return(false, "Null object provided.");
}
public async Task <IActionResult> OnGetAsync(int?id)
{
if (id != null)
{
PortfolioNavigation navigation = await _navigationService.GetNavigationByIdAsync((int)id);
if (navigation != null)
{
Input = new InputModel();
Input.Id = navigation.Id;
Input.Name = navigation.Name;
Input.Url = navigation.Url;
return(Page());
}
StatusMessage = "Error: Item not found";
return(LocalRedirect("/Admin/NavigationEditor"));
}
StatusMessage = "Error: Item not found";
return(LocalRedirect("/Admin/NavigationEditor"));
}
public async Task <IActionResult> OnPostAsync()
{
if (ModelState.IsValid)
{
PortfolioNavigation navigation = new PortfolioNavigation();
navigation.Name = Input.Name;
navigation.Url = Input.Url;
(bool, string)result = await _navigationService.AddNavigationAsync(navigation);
if (result.Item1)
{
StatusMessage = result.Item2;
return(LocalRedirect("/Admin/NavigationEditor"));
}
else
{
ErrorMessage = "Error:" + result.Item2;
}
}
return(Page());
}
public async Task <IActionResult> OnPostAsync()
{
if (ModelState.IsValid)
{
PortfolioNavigation navigation = new PortfolioNavigation();
navigation.Id = Input.Id;
navigation.Name = Input.Name;
navigation.Url = Input.Url;
(bool, string)result = await _navigationService.UpdateNavigationAsync(navigation);
if (result.Item1)
{
StatusMessage = result.Item2;
}
else
{
StatusMessage = "Error:" + result.Item2;
}
}
return(Page());
}
/// <summary>
/// Deletes Navigation item by id.
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <(bool, string)> DeleteNavigationByIdAsync(int id)
{
if (id != 0)
{
PortfolioNavigation navigation = await _dbContext.PortfolioNavigations.SingleOrDefaultAsync(x => x.Id == id);
if (navigation != null)
{
List <PortfolioNavigation> navigationsList = await _dbContext.PortfolioNavigations.Where(x => x.Order > navigation.Order).ToListAsync();
for (int i = 0; i < navigationsList.Count; i++)
{
navigationsList[i].Order = navigationsList[i].Order - 1;
_dbContext.PortfolioNavigations.Update(navigationsList[i]);
}
_dbContext.PortfolioNavigations.Remove(navigation);
await _dbContext.SaveChangesAsync();
return(true, "Navigation item deleted successfully.");
}
}
return(false, "Item not found.");
}
