public DatabasePresentationWindow()
{
InitializeComponent();
using (DatabaseContext siContext = new DatabaseContext())
{
var query = (from Product in siContext.Product
select Product).ToList();
List<Product> comments = new List<Product>();
foreach (var comment in query)
{
comments.Add(comment);
}
productsDb.ItemsSource = comments.ToList();
}
using (DatabaseContext siContext = new DatabaseContext())
{
var query = (from Product in siContext.Product
select Product.Comments).ToList();
List<CommentDb> comments = new List<CommentDb>();
foreach (var comment in query)
{
if (comment.Count > 0)
{
foreach (var com in comment)
{
com.Comment = Regex.Replace(com.Comment, @"<[^>]+>| ", "").Trim();
comments.Add(com);
}
}
}
commentData.ItemsSource = comments.ToList();
}
}
private void buttonClearDb(object sender, RoutedEventArgs e)
{
DatabaseContext context = new DatabaseContext();
context.Comments.RemoveRange(context.Comments);
context.Product.RemoveRange(context.Product);
context.SaveChanges();
}
/// <summary>
/// Dla serwisu skapiec.pl pobiera całą zawartość z komentarzami
/// </summary>
/// <param name="statistic"></param>
/// <param name="product"></param>
/// <returns></returns>
public Product getPagesContent(IStatisctics statistic, Product product)
{
System.Net.WebClient client = new System.Net.WebClient();
client.Encoding = Encoding.UTF8;
ILinkProvider provider = new SkapiecLinkProvider(m_downloadString);
using (var db = new DatabaseContext())
{
string link = "";
while ((link = provider.getLink()) != "")
{
statistic.addDowlodedPage(link);
string pageContent = client.DownloadString(link);
pagesContent.Add(pageContent);
}
return product;
}
}
private void dataGrid1_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
using (DatabaseContext siContext = new DatabaseContext())
{
var query = (from Product in siContext.Product
select Product.Comments).ToList();
List<CommentDb> comments = new List<CommentDb>();
foreach (var comment in query)
{
if (comment.Count > 0)
{
foreach (var com in comment)
{
com.Comment = Regex.Replace(com.Comment, @"<[^>]+>| ", "").Trim();
comments.Add(com);
}
}
}
commentData.ItemsSource = comments.ToList();
}
}
private void productSelectionChanged(object sender, SelectionChangedEventArgs e)
{
using (DatabaseContext siContext = new DatabaseContext())
{
if (productsDb.SelectedItem is Product)
{
var item = (Product)productsDb.SelectedItem;
var getProduct = from Product in siContext.Product where Product.Model.Equals(item.Model) select Product.Comments;
List<CommentDb> comments = new List<CommentDb>();
foreach (var comment in getProduct)
{
if (comment.Count > 0)
{
foreach (var com in comment)
{
com.Comment = Regex.Replace(com.Comment, @"<[^>]+>| ", "").Trim();
comments.Add(com);
}
}
}
commentData.ItemsSource = comments.ToList();
}
else
{
commentData.ItemsSource = new List<Product>();
}
}
}
/// <summary>
/// Funcja dodająca proddukt do bd, wraz ze sprawdzaniem czy dany komentarz dla danego produktu istnieje
/// </summary>
/// <param name="product"></param>
/// <param name="statistic"></param>
private void addProductToDatabase(Product product, IStatisctics statistic)
{
try
{
using (var db = new DatabaseContext())
{
IQueryable<Product> productsInDb = from p in db.Product
where
p.Brand.Equals(product.Brand) &&
p.Model.Equals(product.Model) &&
p.Type.Equals(product.Type)
select p;// select db.Product;//and p.Model.E;
if (productsInDb != null)
{
foreach (Product productInDb in productsInDb)
{
DateTime time = DateTime.Now;
foreach (CommentDb dowloadedProd in product.Comments)
{
bool contains = productInDb.Comments.Any(x => {
bool returnValue = true;
if (dowloadedProd.Advantages != null && x.Advantages != null)
returnValue &= dowloadedProd.Advantages.Equals(x.Advantages);
if (dowloadedProd.Disadvantages != null && x.Disadvantages != null)
returnValue &= dowloadedProd.Disadvantages.Equals(x.Disadvantages);
if (dowloadedProd.Comment != null && x.Comment != null)
returnValue &= dowloadedProd.Comment.Equals(x.Comment);
if (dowloadedProd.Date != null && x.Date != null)
returnValue &= dowloadedProd.Date.Equals(x.Date);
returnValue &= dowloadedProd.Recommend.Equals(x.Recommend);
returnValue &= dowloadedProd.Stars.Equals(x.Stars);
returnValue &= dowloadedProd.Usability.Equals(x.Usability);
returnValue &= dowloadedProd.UsabilityVotes.Equals(x.UsabilityVotes);
returnValue &= dowloadedProd.Author.Equals(x.Author);
return returnValue;
});
if (contains) { }
else
{
dowloadedProd.LoadDate = time;
statistic.addAddedComment(dowloadedProd.Comment);
productInDb.Comments.Add(dowloadedProd);
}
}
}
if (productsInDb.Count() == 0)
{
DateTime time = DateTime.Now;
foreach (CommentDb com in product.Comments)
{
com.LoadDate = time;
statistic.addAddedComment(com.Comment);
}
db.Product.Add(product);
}
}
else
{
DateTime time = DateTime.Now;
foreach (CommentDb com in product.Comments)
{
com.LoadDate = time;
statistic.addAddedComment(com.Comment);
}
db.Product.Add(product);
}
db.SaveChanges();
}
}
catch (System.Data.Entity.Validation.DbEntityValidationException ex)
{
// Retrieve the error messages as a list of strings.
var errorMessages = ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
// Combine the original exception message with the new one.
var exceptionMessage = string.Concat(ex.Message, " The validation errors are: ", fullErrorMessage);
// Throw a new DbEntityValidationException with the improved exception message.
throw new System.Data.Entity.Validation.DbEntityValidationException(exceptionMessage, ex.EntityValidationErrors);
}
}
private void buttonSaveToFile(object sender, RoutedEventArgs e)
{
Microsoft.Win32.SaveFileDialog dialog = new Microsoft.Win32.SaveFileDialog();
dialog.FileName = "Document"; // Default file name
dialog.DefaultExt = ".xml"; // Default file extension
dialog.Filter = "Xml documents (.xml)|*.xml"; // Filter files by extension
if (dialog.ShowDialog(this) == true)
{
using (DatabaseContext siContext = new DatabaseContext())
{
List<Product> query = (from Product in siContext.Product
select Product).ToList();
using (var writer = System.Xml.XmlWriter.Create(dialog.FileName))
{
writer.WriteStartDocument();
writer.WriteStartElement("InfoDb");
foreach (Product product in query)
{
writer.WriteStartElement("Product");
writer.WriteElementString("ProductId", product.ProductId.ToString());
writer.WriteElementString("Type", product.Type);
writer.WriteElementString("Brand", product.Brand);
writer.WriteElementString("Model", product.Model);
foreach (CommentDb comment in product.Comments)
{
writer.WriteStartElement("CommentBlock");
writer.WriteElementString("CommentDbID", comment.CommentDbID.ToString());
writer.WriteElementString("Comment", comment.Comment);
writer.WriteElementString("Stars", comment.Stars.ToString());
writer.WriteElementString("Advantages", comment.Advantages);
writer.WriteElementString("Disadvantages", comment.Disadvantages);
writer.WriteElementString("Author", comment.Author);
writer.WriteElementString("Date", comment.Date.ToString());
writer.WriteElementString("Recomend", comment.Recommend.ToString());
writer.WriteElementString("Usability", comment.Usability.ToString());
writer.WriteElementString("UsabilityVotes", comment.UsabilityVotes.ToString());
writer.WriteElementString("PortalName", comment.PortalName);
writer.WriteEndElement();
}
writer.WriteEndElement();
}
}
}
}
}
