public Task DeleteProduct(Guid id)
{
// TODO: Remove catalog type (optional)
// TODO: Remove brand (optional)
return(_httpClient.DeleteAsync(UrisConfig.RemoveProductById(id)));
}
public async Task <ProductData> GetProductAsync(Guid id)
{
var response = await _httpClient.GetAsync(UrisConfig.GetProductById(id));
if (response.IsSuccessStatusCode)
{
return(await response.Content.ReadFromJsonAsync <ProductData>());
}
return(null);
}
public async Task <IEnumerable <ProductData> > GetProductsAsync()
{
var response = await _httpClient.GetAsync(UrisConfig.GetProducts());
if (response.IsSuccessStatusCode)
{
return(await response.Content.ReadFromJsonAsync <IEnumerable <ProductData> >());
}
return(Array.Empty <ProductData>());
}
public async Task <Guid> CreateProduct(ProductData product)
{
// Preparing the data.
var rawData = new InternalProductData
{
Name = product.ProductName,
Description = product.Description,
Price = product.Price,
PictureUri = product.PictureUri
};
var categories = await GetCategoriesAsync();
var brands = await GetBrandsAsync();
// Getting category info.
var category = categories.FirstOrDefault(x =>
string.Equals(x.Name, product.CategoryName, StringComparison.CurrentCultureIgnoreCase));
if (category == null)
{
var payload = new CategoryData {
Name = product.CategoryName
};
var json = JsonConvert.SerializeObject(payload);
var resp = await _httpClient.PostAsync(UrisConfig.CreateCategory(), new StringContent(json));
if (resp.IsSuccessStatusCode)
{
rawData.CatalogTypeId = await resp.Content.ReadFromJsonAsync <Guid>();
}
else
{
throw new Exception("Can't create a product category.");
}
}
else
{
rawData.CatalogTypeId = category.Id;
}
// Getting brand info.
var brand = brands.FirstOrDefault(x =>
string.Equals(x.Name, product.BrandName, StringComparison.CurrentCultureIgnoreCase));
if (brand == null)
{
var payload = new CategoryData {
Name = product.BrandName
};
var json = JsonConvert.SerializeObject(payload);
var resp = await _httpClient.PostAsync(UrisConfig.CreateBrand(), new StringContent(json));
if (resp.IsSuccessStatusCode)
{
rawData.CatalogBrandId = await resp.Content.ReadFromJsonAsync <Guid>();
}
else
{
throw new Exception("Can't create a product brand.");
}
}
else
{
rawData.CatalogBrandId = brand.Id;
}
// Creating a product.
var productJson = JsonConvert.SerializeObject(rawData);
var response = await _httpClient.PostAsync(UrisConfig.CreateProduct(), new StringContent(productJson));
if (!response.IsSuccessStatusCode)
{
throw new Exception("Can't create a product brand.");
}
return(await response.Content.ReadFromJsonAsync <Guid>());
}
public async Task UpdateProduct(ProductData product)
{
var resp1 = await _httpClient.GetAsync(UrisConfig.GetProductById(product.Id));
if (!resp1.IsSuccessStatusCode)
{
throw new Exception("Can't get the product.");
}
var internalProduct = await resp1.Content.ReadFromJsonAsync <InternalProductData>();
if (internalProduct == null)
{
throw new Exception("Can't get the product.");
}
internalProduct.Name = product.ProductName;
internalProduct.Description = product.Description;
internalProduct.Price = product.Price;
internalProduct.PictureUri = product.PictureUri;
// Checking the product category.
var resp2 = await _httpClient.GetAsync(UrisConfig.GetCategoryById(internalProduct.CatalogTypeId));
if (!resp2.IsSuccessStatusCode)
{
throw new Exception("Can't get the product category.");
}
var category = await resp2.Content.ReadFromJsonAsync <CategoryData>();
if (category == null)
{
throw new Exception("Can't get the product category.");
}
if (product.CategoryName != category.Name)
{
// TODO: Create category and update the internal product.
}
// Checking the product brand.
var resp3 = await _httpClient.GetAsync(UrisConfig.GetBrandById(internalProduct.CatalogBrandId));
if (!resp3.IsSuccessStatusCode)
{
throw new Exception("Can't get the product brand.");
}
var brand = await resp3.Content.ReadFromJsonAsync <BrandData>();
if (brand == null)
{
throw new Exception("Can't get the product brand.");
}
if (product.BrandName != brand.Name)
{
// TODO: Create brand and update the internal product.
}
// Saving the changes.
var productJson = JsonConvert.SerializeObject(internalProduct);
var response = await _httpClient.PostAsync(UrisConfig.UpdateProductById(internalProduct.Id), new StringContent(productJson));
if (!response.IsSuccessStatusCode)
{
throw new Exception("Can't create a product.");
}
}
