public CProduct[] getDiscountList()
{
//SqlConnection cn = new SqlConnection(ConfigurationManager.AppSettings["SQLSERVER_CONNECTION_STRING"]);
if (isChanged())
parseSite();
using (var ctx = new DiscountDBContext())
{
var p = ctx.getProducts();
List<CProduct> products = (from prod_i in p.AsParallel()
select new CProduct
{
productID = prod_i.ProductID,
storeID = prod_i.StoreID,
storeName = prod_i.StoreName,
productName = prod_i.ProductName,
productsTypeID = prod_i.ProductsTypeID,
productsType = prod_i.ProductsType,
discount = prod_i.Discount,
oldPrice = prod_i.OldPrice,
newPrice = prod_i.NewPrice,
startDate = prod_i.StartDate,
endDate = prod_i.EndDate,
imageURL = prod_i.ImageURL
}).ToList();
//foreach (var prod_i in p)
//{
// CProduct product = new CProduct();
// product.productID = prod_i.ProductID;
// product.storeID = prod_i.StoreID;
// product.storeName = prod_i.StoreName;
// product.productName = prod_i.ProductName;
// product.productsTypeID = prod_i.ProductsTypeID;
// product.productsType = prod_i.ProductsType;
// product.discount = prod_i.Discount;
// product.oldPrice = prod_i.OldPrice;
// product.newPrice = prod_i.NewPrice;
// product.startDate = prod_i.StartDate;
// product.endDate = prod_i.EndDate;
// product.imageURL = prod_i.ImageURL;
// products.Add(product);
//}
return products.ToArray();
}
/*
string query = @"SELECT DISTINCT * FROM Products;";
if (cn.State == ConnectionState.Closed) cn.Open();
SqlCommand cm = cn.CreateCommand();
cm.CommandText = query;
SqlDataReader reader = cm.ExecuteReader();
while (reader.Read())
{
CProduct product = new CProduct();
product.productID = reader["ProductID"].ToString();
product.productName = reader["ProductName"].ToString();
product.storeID = reader["StoreID"];
product.discount = reader["Discount"];
product.oldPrice = reader["OldPrice"].ToString();
product.newPrice = reader["NewPrice"].ToString();
product.startDate = reader["StartDate"].ToString();
product.endDate = reader["EndDate"].ToString();
product.imageURL = reader["ImageURL"].ToString();
products.Add(product);
}
reader.Close();
cn.Close();
*/
}
private void updateHash()
{
using (var ctx = new DiscountDBContext())
{
string contentForHash = calcStringForHash();
ctx.HashTs.DeleteObject(ctx.HashTs.First());
HashT hash = new HashT { Hash = calcMD5(contentForHash) };
ctx.HashTs.AddObject(hash);
Version vers = new Version { VersionOfCatalog = ctx.Versions.First().VersionOfCatalog + 0.01 };
ctx.Versions.DeleteObject(ctx.Versions.First());
ctx.Versions.AddObject(vers);
ctx.SaveChanges();
}
}
private bool isChanged()
{
var content = calcStringForHash();
string hashNow = calcMD5(content);
string hash = null;
using (var ctx = new DiscountDBContext())
{
hash = ctx.HashTs.First().Hash;
}
if (hash == hashNow)
return false;
else
{
return true;
}
}
private void parseSite()
{
HttpWebRequest req;
HttpWebResponse resp;
StreamReader sr;
string allContent;
req = (HttpWebRequest)WebRequest.Create("http://tomall.ru/allmarket/okey/");
resp = (HttpWebResponse)req.GetResponse();
sr = new StreamReader(resp.GetResponseStream(), Encoding.GetEncoding("windows-1251"));
allContent = sr.ReadToEnd();
sr.Close();
cleanTableProducts();
using (var ctx = new DiscountDBContext())
{
for (int i = 10; i < 30; i++)
{
int startInd = allContent.IndexOf("all" + i.ToString()) + 7;
int endInd = allContent.IndexOf("];", startInd);
string content = allContent.Remove(endInd).Remove(0, startInd);
//textBox1.Text = content;
List<string> productsList = new List<string>();
for (int index = 0; index < content.Length - 1; )
{
int startInd_ = content.IndexOf("[", index) + 1;
int endInd_ = content.IndexOf("]", startInd_);
//textBox1.Text += startInd_.ToString() + " " + endInd_.ToString() + " ";
index = endInd_;
string oneLine = content.Remove(endInd_).Remove(0, startInd_);
productsList.Add(oneLine);
}
foreach (string line in productsList)
{
int index = 0;
int startInd_ = 0;
int endInd_ = line.IndexOf(",", index);
string id = line.Remove(endInd_);
/*
var r = from c in ctx.Products
where c.ProductID == id
select c;
if (r.Count() > 0)
continue;
*/
index = endInd_;
startInd_ = line.IndexOf("'", index) + 1;
endInd_ = line.IndexOf("'", startInd_);
string productName = line.Remove(endInd_).Remove(0, startInd_);
index = endInd_;
startInd_ = line.IndexOf(",", index) + 2;
endInd_ = line.IndexOf(",", startInd_);
string oldPrice = line.Remove(endInd_).Remove(0, startInd_);
index = endInd_;
startInd_ = line.IndexOf("'", index) + 1;
endInd_ = line.IndexOf("'", startInd_);
string newPrice = line.Remove(endInd_).Remove(0, startInd_);
index = endInd_;
startInd_ = line.IndexOf(",", index) + 2;
endInd_ = line.IndexOf(",", startInd_);
string discount = line.Remove(endInd_).Remove(0, startInd_);
index = endInd_;
startInd_ = line.IndexOf("'", index) + 1;
endInd_ = line.IndexOf("'", startInd_);
string storeName = line.Remove(endInd_).Remove(0, startInd_);
index = endInd_;
startInd_ = line.IndexOf(",", index) + 2;
endInd_ = line.IndexOf(",", startInd_);
string storeID = line.Remove(endInd_).Remove(0, startInd_);
index = endInd_;
startInd_ = line.IndexOf("'", index) + 1;
endInd_ = line.IndexOf("'", startInd_);
string startDate = line.Remove(endInd_).Remove(0, startInd_);
index = endInd_ + 1;
startInd_ = line.IndexOf("'", index) + 1;
endInd_ = line.IndexOf("'", startInd_);
string endDate = line.Remove(endInd_).Remove(0, startInd_);
string imageURLFolder = Convert.ToInt32(id.Remove(3)).ToString();
string imageURLFile = Convert.ToInt32(id.Remove(0, 3)).ToString();
string imageURL = @"http://tomall.ru/allmarket/foto/" + imageURLFolder + @"/" + imageURLFile + ".jpg";
Product p = new Product
{
ProductID = id,
StoreID = Convert.ToInt32(storeID),
ProductName = productName,
ProductsTypeID = i,
Discount = Convert.ToInt32(discount),
OldPrice = oldPrice,
NewPrice = newPrice,
StartDate = startDate,
EndDate = endDate,
ImageURL = imageURL
};
ctx.Products.AddObject(p);
ctx.SaveChanges();
}
}
updateHash();
}
}
private void cleanTableProducts()
{
using (var ctx = new DiscountDBContext())
{
ctx.delProducts();
}
}
public double getVersionOfCatalog()
{
using (var ctx = new DiscountDBContext())
{
double ver = ctx.Versions.First().VersionOfCatalog;
if(!isChanged())
return ctx.Versions.First().VersionOfCatalog;
return ver + 0.01;
}
}
public CStore[] getStoreList()
{
using (var ctx = new DiscountDBContext())
{
var stores = from c in ctx.Stores
select new CStore { storeID = c.StoreID, storeName = c.StoreName };
return stores.ToArray();
}
}
public string getHash()
{
using (var ctx = new DiscountDBContext())
{
return ctx.HashTs.First().Hash;
}
}
public CProduct[] getDiscountListByID(int storeID)
{
using (var ctx = new DiscountDBContext())
{
var products = (from c in ctx.getProductsByID(storeID)
select new CProduct
{
discount = c.Discount,
endDate = c.EndDate,
imageURL = c.ImageURL,
newPrice = c.NewPrice,
oldPrice = c.OldPrice,
productID = c.ProductID,
productName = c.ProductName,
productsType = c.ProductsType,
productsTypeID = c.ProductsTypeID,
startDate = c.StartDate,
storeID = c.StoreID,
storeName = c.StoreName
}).ToArray();
return products;
}
}
