private async void InitModelTree(EkCarTypeEnum?carType, string modelId)
{
Assure.CheckFlowState(carType != null || modelId != null, $"Either {nameof(carType)} or {nameof(modelId)} should not be null.");
// free UI thread
await ThreadHelper.RunInBackgroundThreadAsync(() =>
{
// build model tree
var carModelTree = EkSettingsHelper.GetCarModelTree();
if (carModelTree == null ||
carModelTree.Length == 0)
{
return(Task.CompletedTask);
}
foreach (var ekCarGroup in carModelTree)
{
var groupCategory = new Category(ekCarGroup.CarType);
_allGroups[groupCategory.Id] = groupCategory;
foreach (var manufacturer in ekCarGroup.Manufacturers)
{
var manufacturerCategory = new Category(ekCarGroup.CarType, manufacturer)
{
ParentCategoryId = groupCategory.Id,
};
_allManufacturers[manufacturerCategory.Id] = manufacturerCategory;
foreach (var carModel in manufacturer.CarModels)
{
var modelCategory = new Category(carModel)
{
ParentCategoryId = manufacturerCategory.Id,
};
_allModels[modelCategory.Id] = modelCategory;
}
}
}
Category selectedCategory = null;
if (modelId != null)
{
selectedCategory = _allModels.GetValueOrDefault(modelId);
}
else if (carType != null)
{
selectedCategory = _allGroups.GetValueOrDefault(carType.ToString());
}
if (selectedCategory == null)
{
selectedCategory = _allGroups.Values.First();
}
SelectCategory(selectedCategory);
return(Task.CompletedTask);
});
}
public CarModelTreeSearchProvider(
EkCarTypeEnum?carType,
string modelId,
Action onBackToRoot)
{
_onBackToRoot = onBackToRoot;
RetryOnErrorCommand = new RelayCommand(
nameof(RetryOnErrorCommand),
parameter =>
{
// only modifications request fail is possible
UpdateModifications();
});
string manufacturerId = null;
if (!String.IsNullOrEmpty(modelId) && modelId != "0")
{
var model = EkSettingsHelper.GetModelAndNameByModelId(modelId);
carType = model.CarType;
manufacturerId = model.ManufacturerId.ToString();
}
_carType = carType;
InitModelTree(carType, manufacturerId, null);
}
private async void InitCategories(string initialCategoryId)
{
List <string> availableCategories = null;
/*if (_modelId != 0)
* {
* try
* {
* var response = await ServerApiHelper.ProductCategoriesByCarModelModificationAsync(
* new EkKioskProductCategoriesByCarModelModificationGetRequest()
* {
* FullModelName = EkSettingsHelper.GetModelFullNameByModelId(_modelId.ToString()),
* },
* CancellationToken.None);
* availableCategories = response.CategoriesIds.Select(x => x.ToString()).ToList();
* }
* catch(Exception)
* {
* }
* }*/
// free UI thread
await ThreadHelper.RunInBackgroundThreadAsync(() =>
{
// build categories
var rootCategories = EkSettingsHelper.GetEuropeCategories().Where(x => availableCategories == null || availableCategories.Contains(x.CategoryId)).ToArray();
if (rootCategories == null ||
rootCategories.Length == 0)
{
return(Task.CompletedTask);
}
BuildCategories(null, null, rootCategories, availableCategories);;
Category selectedCategory = null;
if (initialCategoryId != null)
{
selectedCategory = _allCategories.GetValueOrDefault(initialCategoryId);
// if initial category is leaf then change category
if (selectedCategory != null &&
!selectedCategory.IsGroup)
{
ChangeCategory(selectedCategory);
return(Task.CompletedTask);
}
}
if (selectedCategory == null)
{
selectedCategory = _allCategories.GetValueOrDefault(rootCategories[0].CategoryId);
}
SelectCategory(selectedCategory);
return(Task.CompletedTask);
});
}
private async void InitCategories(string initialCategoryId)
{
// free UI thread
await ThreadHelper.RunInBackgroundThreadAsync(() =>
{
// build categories
var rootCategories = EkSettingsHelper.GetEuropeCategories();
if (rootCategories == null ||
rootCategories.Length == 0)
{
return(Task.CompletedTask);
}
BuildCategories(null, rootCategories);
Category selectedCategory = null;
if (initialCategoryId != null)
{
selectedCategory = _allCategories.GetValueOrDefault(initialCategoryId);
// if initial category is leaf then change category
if (selectedCategory != null &&
!selectedCategory.IsGroup)
{
ChangeCategory(selectedCategory);
return(Task.CompletedTask);
}
}
if (selectedCategory == null)
{
selectedCategory = _allCategories.GetValueOrDefault(rootCategories[0].CategoryId);
}
SelectCategory(selectedCategory);
return(Task.CompletedTask);
});
}
