/// <summary>
/// Returns what product was bought how often by the user.
/// Beware! uses the "comment" column of the DB - on-product-comments are possible!
/// </summary>
/// <param name="user">The user</param>
public async Task<List<ProductCount>> GetProductsCountForUserAsync(String user, string deviceID)
{
await CheckDeviceRights(deviceID, DeviceRights.READ);
List<ProductCount> list = new List<ProductCount>();
MySqlDataReader reader = this.Query("SELECT *,COUNT(date) FROM `gk_accounting` WHERE user='******' GROUP BY `comment` DESC LIMIT 0,200");
while (await reader.ReadAsync())
{
ProductCount pc = new ProductCount();
pc.amount = reader.GetInt32("COUNT(date)");
pc.product = reader.GetString("comment");
pc.price = reader.GetDouble("price");
list.Add(pc);
}
reader.Close();
this.Close();
// Check versus current list of products (getting correct pricing, only available products, etc.)
List<Product> products = await this.GetFullProductsAsync();
// Compare (not very efficient at the moment)
List<ProductCount> listFinal = new List<ProductCount>();
foreach (ProductCount p in list)
{
foreach (Product prod in products)
{
if (p.product == prod.product)
{
p.price = prod.price;
listFinal.Add(p);
break;
}
}
}
return listFinal;
}
private async Task<List<ProductCount>> GetAccountingCountSince(string date)
{
MySqlDataReader reader = this.Query("SELECT comment,COUNT(comment) FROM gk_accounting WHERE gk_accounting.date > {d '"+date+"'} GROUP BY comment");
List<ProductCount> prod = new List<ProductCount>();
while (await reader.ReadAsync())
{
ProductCount pro = new ProductCount();
pro.amount = reader.GetInt32("COUNT(comment)");
pro.product = reader.GetString("comment");
prod.Add(pro);
}
reader.Close();
this.Close();
return prod;
}