/// <summary>
/// Saves a category to the database
/// </summary>
/// <param name="profile"></param>
/// <param name="category"></param>
/// <param name="passphrase"></param>
/// <returns></returns>
public static async Task<SuccessResponse> SaveCategoryAsync(ApiCategory category)
{
using (var client = new HttpClient())
{
// Authorize the request.
await AuthorizeRequest(client);
// Add passphrase to message
AddPassphraseHeader(client);
// Create JSON content.
var content = JsonContent(category);
// Send request and get a response
HttpResponseMessage response;
if (category.Id == 0)
{
// Create
response = await client.PostAsync(GetUrl($"api/profiles/{CurrentProfile.Id}/categories"), content);
}
else
{
// Update
response = await client.PutAsync(GetUrl($"api/profiles/{CurrentProfile.Id}/categories/{category.Id}"), content);
}
// Read the data
var data = await response.Content.ReadAsStringAsync();
// Deserialize the object based on the result
if (response.IsSuccessStatusCode)
{
// Deserialize the response as an ApiResponse object
return new SuccessResponse(Convert.ToInt32(data));
}
else
{
throw await CreateException(response);
}
}
}
/// <summary>
/// Registers commands for UI elements
/// </summary>
private void RegisterCommands()
{
// Handle add category
AddCategoryCommand = new Command(async (p) =>
{
// Prompt for name
await DialogHelper.ShowClosableDialog<NamePromptDialog>(async (d) =>
{
try
{
//create new category
var category = new ApiCategory()
{
Name = d.Value
};
// Send the category to the api
var resp = await KryptPadApi.SaveCategoryAsync(category);
// Set the id of the newly created category
category.Id = resp.Id;
// Add the category to the list
Categories.Add(category);
// Add view to the ItemsView object
ItemsView.Source = Categories;
// Refresh
OnPropertyChanged(nameof(ItemsView));
// Hide empty message
EmptyMessageVisibility = Visibility.Collapsed;
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
}
}, "Add Category");
});
// Handle add new item
AddItemCommand = new Command(AddItemCommandHandler);
// Handle item click
ItemClickCommand = new Command((p) =>
{
var item = p as ApiItem;
var category = (from c in Categories
where c.Items.Contains(item)
select c).FirstOrDefault();
// Navigate to edit
NavigationHelper.Navigate(typeof(NewItemPage),
new EditItemPageParams()
{
Category = category,
Item = item
});
});
// Handle change passphrase command
ChangePassphraseCommand = new Command(async (p) =>
{
var dialog = new ChangePassphraseDialog();
await dialog.ShowAsync();
});
// Handle rename command
RenameProfileCommand = new Command(async (p) =>
{
// Prompt for name
await DialogHelper.ShowNameDialog(async (d) =>
{
try
{
// Set new name
var profile = KryptPadApi.CurrentProfile;
profile.Name = d.Value;
// Send the category to the api
var resp = await KryptPadApi.SaveProfileAsync(profile);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
}
}, "RENAME PROFILE", KryptPadApi.CurrentProfile.Name);
});
// Handle delete command
DeleteProfileCommand = new Command(async (p) =>
{
var res = await DialogHelper.Confirm(
"All of your data in this profile will be deleted permanently. THIS ACTION CANNOT BE UNDONE. Are you sure you want to delete this entire profile?",
"WARNING - CONFIRM DELETE",
async (ap) =>
{
try
{
// Delete the selected profile
await KryptPadApi.DeleteProfileAsync(KryptPadApi.CurrentProfile);
// Navigate back to the profiles list
NavigationHelper.Navigate(typeof(SelectProfilePage), null);
// Clear backstack
NavigationHelper.ClearBackStack();
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
}
}
);
});
// Download profile handler
DownloadProfileCommand = new Command(async (prop) =>
{
try
{
// Prompt for a place to save the file
var sfd = new FileSavePicker()
{
SuggestedFileName = KryptPadApi.CurrentProfile.Name,
};
//sfd.FileTypeChoices.Add("KryptPad Document Format", new List<string>(new[] { ".kdf" }));
sfd.FileTypeChoices.Add("KryptPad Document Format", new[] { ".kdf" });
// Show the picker
var file = await sfd.PickSaveFileAsync();
if (file != null)
{
// Get profile
var profileData = await KryptPadApi.DownloadCurrentProfileAsync();
// Save profile to file
using (var fs = await file.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite))
using (var sw = new StreamWriter(fs.AsStreamForWrite()))
{
// Write the data
sw.Write(profileData);
}
await DialogHelper.ShowMessageDialogAsync("Profile downloaded successfully");
}
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
}
});
// Handle category rename
RenameCategoryCommand = new Command(RenameCategoryCommandHandler);
// Handle category delete
DeleteCategoryCommand = new Command(DeleteCategoryCommandHandler);
// Handle selection mode
SelectModeCommand = new Command(SelectModeCommandHandler);
// Handle the move command
MoveItemsCommand = new Command(MoveItemsCommandHandler, CanMoveItems);
}
/// <summary>
/// Loads an item into the view model
/// </summary>
/// <param name="item"></param>
public async Task LoadItemAsync(ApiItem selectedItem, ApiCategory category)
{
// Prevent change triggers
_isLoading = true;
IsBusy = true;
try
{
// Get list of categories for the combobox control
var categories = await KryptPadApi.GetCategoriesAsync();
// Set the category view source for the combobox
CategoriesView.Source = categories.Categories;
// Update view
OnPropertyChanged(nameof(CategoriesView));
// Set the selected category in the list
Category = (from c in categories.Categories
where c.Id == category.Id
select c).SingleOrDefault();
// Check to make sure our parameters are set
if (Category == null)
{
// Show error
throw new WarningException("The item you are trying to edit does not exist in this category.");
}
// Get the item
var itemResp = await KryptPadApi.GetItemAsync(Category.Id, selectedItem.Id);
// Get the item
var item = itemResp.Items.FirstOrDefault();
// Set item
Item = item;
// Set properties
ItemName = item.Name;
Notes = item.Notes;
SelectedColor = item.Background;
// Set fields
foreach (var field in item.Fields)
{
// Add field to the list
AddFieldToCollection(new FieldModel(field));
}
}
catch (WarningException ex)
{
// Operation failed
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (WebException ex)
{
// Operation failed
await DialogHelper.ShowMessageDialogAsync(ex.Message);
// Navigate back to the items page
NavigationHelper.Navigate(typeof(ItemsPage), null);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
// Navigate back to the items page
NavigationHelper.Navigate(typeof(ItemsPage), null);
}
_isLoading = false;
IsBusy = false;
}
