private void DeleteGetAndAddReviews(int productId, string pageContent, DatabaseRpoundForestEntities db)
{
//remove
db.Reviews.RemoveRange(db.Reviews.Where(x => x.ProductId == productId));
db.SaveChanges();
//getcustomerReviews
int customerReviewsIndex = pageContent.IndexOf("\"customerReviews\"") + 18;
int customerReviewsEndIndex = pageContent.IndexOf("\"selected\"", customerReviewsIndex) - 3;
string reviewList = pageContent.Substring(customerReviewsIndex, customerReviewsEndIndex - customerReviewsIndex);
var reviewList2 = JsonConvert.DeserializeObject <List <ReviewClass> >(reviewList);
//List<ReviewShow> reviews = new List<ReviewShow>();
foreach (ReviewClass rc in reviewList2)
{
var thisReview = new Review
{
ProductId = productId,
ReviewTitle = rc.reviewTitle,
ReviewText = rc.reviewText,
Stars = Convert.ToInt32(rc.rating)
};
db.Reviews.Add(thisReview);
//reviews.Add(new ReviewShow { rating = rc.rating, reviewText = rc.reviewText, reviewTitle = rc.reviewTitle } );
}
db.SaveChanges();
}
private Product GetAndAddProduct(string pageContent, string productNumber, DatabaseRpoundForestEntities db)
{
int selectedProductIdIndex = pageContent.IndexOf("\"selectedProductId\"");
int productTitleIndex = pageContent.IndexOf("\"title\"", selectedProductIdIndex) + 9;
int productTitleEndIndex = pageContent.IndexOf("\"brand\"", selectedProductIdIndex) - 2;
string productTitle = pageContent.Substring(productTitleIndex, productTitleEndIndex - productTitleIndex);
Product newProduct = new Product {
SellerInternalId = productNumber, ProductName = productTitle, Price = 22.33M
};
db.Products.Add(newProduct); //and whatever the price is.
db.SaveChanges();
return(newProduct);
}
protected void Button1_Click(object sender, EventArgs e)
{
using (DatabaseRpoundForestEntities db = new DatabaseRpoundForestEntities())
{
int productId = Convert.ToInt32(Session["productid"]);
reviews = db.Reviews
.Where((x) => x.ProductId == productId && x.ReviewText.Contains(TextBoxSeek.Text))
.Select((x) => new ReviewShow {
reviewTitle = x.ReviewTitle, reviewText = x.ReviewText, rating = x.Stars.ToString()
})
.ToList <ReviewShow>();
GridView1.DataSource = reviews;
GridView1.DataBind();
}
}
public async Task <string> MineProduct(string url)
{
string pageContent = await HttpTools.DownloadPage(url);
//get wallmart number
int productNumberIndex = pageContent.IndexOf("\"walmartItemNumber\"") + 22;
int productNumberEndIndex = pageContent.IndexOf("\"brand\"", productNumberIndex) - 3;
string productNumber = pageContent.Substring(productNumberIndex, productNumberEndIndex - productNumberIndex);
using (DatabaseRpoundForestEntities db = new DatabaseRpoundForestEntities())
{
Product product = db.Products.Where((x) => x.SellerInternalId == productNumber).FirstOrDefault();
if (product == null) //add it
{
product = GetAndAddProduct(pageContent, productNumber, db);
}
//delete all reviews and re-fill
DeleteGetAndAddReviews(product.Id, pageContent, db);
}
return(productNumber);
}
protected async void ButtonDownloadPage_Click(object sender, EventArgs e)
{
IMineProduct mp = new MineWallMart(); //some infrastucture for dependency injection in the future to support other suppliers
string productNumber = await mp.MineProduct(TextBoxProductUrl.Text);
Product product = null;
List <ReviewShow> myReviews;
using (DatabaseRpoundForestEntities db = new DatabaseRpoundForestEntities())
{
product = db.Products.Where((x) => x.SellerInternalId == productNumber).FirstOrDefault();
myReviews = db.Reviews
.Where((x) => x.ProductId == product.Id)
.Select((x) => new ReviewShow {
reviewTitle = x.ReviewTitle, reviewText = x.ReviewText, rating = x.Stars.ToString()
})
.ToList <ReviewShow>();
}
Session["productid"] = product.Id;
LabelProductInfo.Text = String.Format("Product Seller Number: {0} Product name: {1}", product.SellerInternalId, product.ProductName);
GridView1.DataSource = myReviews;
GridView1.DataBind();
}
