public tenderPage()
{
BindingContext = this;
var label = new Label {
Text = "text"
};
//StackLayout stackLayout = new StackLayout();
//var childToRaise = stackLayout.Children.First();
InitializeComponent();
//Set "Previous" and "Next" hyperlink label.
var previousLblTapRecognizer = new TapGestureRecognizer();
previousLblTapRecognizer.Tapped += onPreviousPageTapped;
previousPage.GestureRecognizers.Add(previousLblTapRecognizer);
previousPage.IsVisible = false; //"Previous" label is set to invisible for first page
var nextLblTapRecognizer = new TapGestureRecognizer();
nextLblTapRecognizer.Tapped += onNextPageTapped;
nextPage.GestureRecognizers.Add(nextLblTapRecognizer);
//Sending HTTP request to obtain the tender page data
Task <string> httpTask = Task.Run <string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/notice/notice.jsp", false));
var httpResult = httpTask.Result.ToString();
//Small data extraction to get "Next" and "Previous" page hyperlinks
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(httpResult);
var aNodes = htmlDoc.DocumentNode.SelectNodes("//a");
if (aNodes != null)
{
foreach (var aNode in aNodes)
{
if (aNode.InnerHtml == "Previous")
{
previousUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
isPreviousAvailable = true;
}
else if (aNode.InnerHtml == "Next")
{
nextUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
isNextAvailable = true;
}
}
}
//Extract tender data from the response
var tenders = DataExtraction.getWebData(httpResult, "tender");
List <tenderItem> tenderItems = (List <tenderItem>)tenders;
listView.ItemsSource = tenderItems;
listView.SeparatorVisibility = SeparatorVisibility.None;
listView.ItemSelected += onItemSelected;
}
private async Task onUpdateBtnClicked(object sender, EventArgs e)
{
//Send request to retrieve response from Change Password page
Task <string> httpTask = Task.Run <string>(() => HttpRequestHandler.ChangePasswordRequest("http://www2.sesco.com.my/etender/vendor/vendor_change_password.jsp?check=yes", oldpass.Text, newpass.Text, renewpass.Text));
var httpTaskResult = httpTask.Result.ToString();
//Extract response message data from Change Password page
var responseData = DataExtraction.getChangePasswordResponse(httpTaskResult);
ChangePasswordResponse response = (ChangePasswordResponse)responseData;
bool errPressence = response.ErrorPressence;
string errMessage = response.ErrorMessage;
if (!String.IsNullOrWhiteSpace(errMessage))
{
await DisplayAlert("Change Password Error", errMessage, "OK");
var page = App.Current.MainPage as rootPage;
var refreshPage = new userChangePassword();
page.changePage(refreshPage);
}
else
{
var page = App.Current.MainPage as rootPage;
var relogPage = new relogPage();
page.changePage(relogPage);
}
}
async Task storeAllTenders()
{
//denotes the tender page for use in this method
int i = 1;
while (isNextAvailable != false)
{
string httpTask = await Task.Run <string>(() => getPageData(nextUrl));
i = i + 1;
var httpResult = httpTask.ToString();
//Small data extraction to get "Next" and "Previous" page hyperlinks
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(httpResult);
//Extract tender data from the response
var tenderItems = await Task.Run <Object>(() => DataExtraction.getTenderPage(htmlDoc));
saveToTenderDb((List <tenderItem>)tenderItems, i);
}
List <tenderItem> dbtenders = await Task.Run <List <tenderItem> >(() => retrieveTenderFromDatabase(2));
if (dbtenders.Count > 0)
{
//nextPage.IsVisible = true;
}
//await WaitAndExecuteUpdateTenders(10800000, storeAllTenders);
}
public async Task WaitAndExecuteUpdateTenders(int milisec)
{
await Task.Delay(milisec);
//Sending HTTP request to obtain the tender page data
string httpTask = await Task.Run <string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_tender_eligible.jsp", true));
var httpResult = httpTask;
//Extract tender data from the response
var tenders = await DataExtraction.getWebData(httpResult, "eligibelTenderPage");
List <tenderItem> tenderItems = (List <tenderItem>)tenders;
//delete existing eligible tenders
List <dbTenderItem> dbtenders0 = await App.Database.getTendersAsync(0);
await deleteDatabaseEligibleTenders(dbtenders0);
//save all eligible tenders to database
await saveToTenderDb(tenderItems, 0);
//Get bookmark details from database
if (userSession.username != "")
{
//string httpTask = await Task.Run<string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_tender_eligible.jsp", true));
//Task<List<tenderBookmark>> bookmarkHttpTask = Task.Run<List<tenderBookmark>>(() => retrieveBookmark());
List <tenderBookmark> tenderBookmarks = await retrieveBookmark();
if (tenderBookmarks != null)
{
//List<tenderBookmark> tenderBookmarks = bookmarkHttpTask;
if (tenderBookmarks.Count > 0)
{
foreach (var tenderItem in tenderItems)
{
foreach (var tenderBookmark in tenderBookmarks)
{
if (tenderItem.Reference == tenderBookmark.tenderReferenceNumber)
{
tenderItem.BookmarkImage = "bookmarkfilled.png";
break;
}
}
}
}
}
}
await DisplayAlert("Update Tenders", "Refresh Tenders", "Okay");
listView.ItemsSource = tenderItems;
await WaitAndExecuteUpdateTenders(10800000);
}
public tenderEligiblePage()
{
BindingContext = this;
InitializeComponent();
var items = Enumerable.Range(0, 10);
//Sending HTTP request to obtain the tender page data
Task <string> httpTask = Task.Run <string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_tender_eligible.jsp", true));
var httpResult = httpTask.Result.ToString();
//Extract tender data from the response
var tenders = DataExtraction.getWebData(httpResult, "eligibelTenderPage");
List <tenderItem> tenderItems = (List <tenderItem>)tenders;
listView.ItemsSource = tenderItems;
listView.SeparatorVisibility = SeparatorVisibility.None;
listView.ItemSelected += onItemSelected;
}
public editContactPerson()
{
BindingContext = this;
InitializeComponent();
//Sending HTTP request to obtain the company profile data
Task <string> httpTask = Task.Run <string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_contact_edit.jsp", true));
var httpResult = httpTask.Result.ToString();
//Extract company profile data from the response
//var profileData = DataExtraction.getWebData(httpResult, "userContactPerson");
var profileData = Task.Run <Object>(() => DataExtraction.getWebData(httpResult, "userContactPerson"));
ContactPerson profile = (ContactPerson)profileData.Result;
name.Text = profile.Name;
telephoneNo.Text = profile.TelephoneNo;
faxNo.Text = profile.FaxNo;
emailAddress.Text = profile.EmailAddress;
}
public editCompanyProfile()
{
BindingContext = this;
InitializeComponent();
//Sending HTTP request to obtain the company profile data
Task <string> httpTask = Task.Run <string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_company_edit.jsp", true));
var httpResult = httpTask.Result.ToString();
//Extract company profile data from the response
var profileData = Task.Run <Object>(() => DataExtraction.getWebData(httpResult, "userCompanyProfile"));
//var profileData = DataExtraction.getWebData(httpResult, "userCompanyProfile");
CompanyProfile profile = (CompanyProfile)profileData.Result;
companyName.Text = profile.CompanyName;
companyRegistrationNo.Text = profile.CompanyRegistrationNo;
mailingAddress.Text = profile.MailingAddress;
country.Text = profile.Country;
name = profile.CompanyName;
regno = profile.CompanyRegistrationNo;
coucode = profile.Country;
}
public tenderSearchResultPage(string searchTenderResult)
{
//BindingContext = this;
var label = new Label {
Text = "text"
};
//StackLayout stackLayout = new StackLayout();
//var childToRaise = stackLayout.Children.First();
InitializeComponent();
//Set "Previous" and "Next" hyperlink label.
var previousLblTapRecognizer = new TapGestureRecognizer();
previousLblTapRecognizer.Tapped += onPreviousPageTapped;
previousPage.GestureRecognizers.Add(previousLblTapRecognizer);
previousPage.IsVisible = false; //"Previous" label is set to invisible for first page
var nextLblTapRecognizer = new TapGestureRecognizer();
nextLblTapRecognizer.Tapped += onNextPageTapped;
nextPage.GestureRecognizers.Add(nextLblTapRecognizer);
nextPage.IsVisible = false;
//Sending HTTP request to obtain the tender page data
var httpResult = searchTenderResult;
//Small data extraction to get "Next" and "Previous" page hyperlinks
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(httpResult);
var aNodes = htmlDoc.DocumentNode.SelectNodes("//a");
if (aNodes != null)
{
foreach (var aNode in aNodes)
{
if (aNode.InnerHtml == "Previous")
{
previousUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
isPreviousAvailable = true;
previousPage.IsVisible = true;
}
else if (aNode.InnerHtml == "Next")
{
nextUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
isNextAvailable = true;
nextPage.IsVisible = true;
}
}
}
//Extract tender data from the response
var tenders = DataExtraction.getWebData(httpResult, "tender");
List <tenderItem> tenderItems = (List <tenderItem>)tenders;
if (tenderItems.Count > 0)
{
Console.WriteLine("Tender list item no.1 ref: " + tenderItems.First().Title);
}
else
{
Console.WriteLine("No item returned!!");
}
listView.ItemsSource = tenderItems;
listView.SeparatorVisibility = SeparatorVisibility.None;
listView.ItemSelected += onItemSelected;
/*Console.WriteLine("testing");
* BindingContext = this;
* var label = new Label { Text = "text" };
* //StackLayout stackLayout = new StackLayout();
* //var childToRaise = stackLayout.Children.First();
*
* InitializeComponent();
*
* //Set "Previous" and "Next" hyperlink label.
* var previousLblTapRecognizer = new TapGestureRecognizer();
* previousLblTapRecognizer.Tapped += onPreviousPageTapped;
* previousPage.GestureRecognizers.Add(previousLblTapRecognizer);
* previousPage.IsVisible = false; //"Previous" label is set to invisible for first page
*
* var nextLblTapRecognizer = new TapGestureRecognizer();
* nextLblTapRecognizer.Tapped += onNextPageTapped;
* nextPage.GestureRecognizers.Add(nextLblTapRecognizer);
*
* //Retrieve string search result passed from searchTenderPage
* var httpResult = searchTenderResult;
*
* //Small data extraction to get "Next" and "Previous" page hyperlinks
* var htmlDoc = new HtmlDocument();
* htmlDoc.LoadHtml(httpResult);
* var aNodes = htmlDoc.DocumentNode.SelectNodes("//a");
* if (aNodes != null)
* {
* foreach (var aNode in aNodes)
* {
* if (aNode.InnerHtml == "Previous")
* {
* previousUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
* isPreviousAvailable = true;
* }
* else if (aNode.InnerHtml == "Next")
* {
* nextUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
* isNextAvailable = true;
* }
* }
* }
*
*
* //Extract tender data from the response
* var tenders = DataExtraction.getWebData(httpResult, "searchtenderpage");
* List<tenderItem> tenderItems = (List<tenderItem>)tenders;
*
* listView.ItemsSource = tenderItems;
* listView.SeparatorVisibility = SeparatorVisibility.None;
* listView.ItemSelected += onItemSelected;*/
}
async void onPreviousPageTapped(object sender, EventArgs eventArgs)
{
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
//Sending HTTP request to obtain the second tender page data
string httpTask = await Task.Run <string>(() => HttpRequestHandler.GetRequest(previousUrl, false));
var httpResult = httpTask.ToString();
//Small data extraction to get "Next" and "Previous" page hyperlinks
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(httpResult);
var aNodes = htmlDoc.DocumentNode.SelectNodes("//a");
isNextAvailable = false;
isPreviousAvailable = false;
foreach (var aNode in aNodes)
{
if (aNode.InnerHtml == "Previous")
{
previousUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
isPreviousAvailable = true;
}
else if (aNode.InnerHtml == "Next")
{
nextUrl = "http://www2.sesco.com.my/etender/notice/" + aNode.Attributes["href"].Value;
isNextAvailable = true;
}
}
//Extract tender data from the response
var tenderItems = await Task.Run <Object>(() => DataExtraction.getTenderPage(htmlDoc));
//var tenders = DataExtraction.getWebData(httpResult, "tender");
//List<tenderItem> tenderItems = (List<tenderItem>)tenders;
listView.ItemsSource = (List <tenderItem>)tenderItems;
listView.ItemTemplate = dataTemplate;
if (isPreviousAvailable)
{
previousPage.IsVisible = true;
}
else
{
previousPage.IsVisible = false;
}
if (isNextAvailable)
{
nextPage.IsVisible = true;
}
else
{
nextPage.IsVisible = false;
}
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
}
async void retrieveEligibleTenders()
{
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
//Show tenders from database first if exists, then clear database to make way for new tenders
List <tenderItem> dbtenders0 = await Task.Run <List <tenderItem> >(() => retrieveTenderFromDatabase(0));
if (dbtenders0.Count > 0)
{
//Get bookmark details from database
if (userSession.username != "")
{
//string httpTask = await Task.Run<string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_tender_eligible.jsp", true));
//Task<List<tenderBookmark>> bookmarkHttpTask = Task.Run<List<tenderBookmark>>(() => retrieveBookmark());
List <tenderBookmark> tenderBookmarks = await retrieveBookmark();
if (tenderBookmarks != null)
{
//List<tenderBookmark> tenderBookmarks = bookmarkHttpTask;
if (tenderBookmarks.Count > 0)
{
foreach (var tenderItem in dbtenders0)
{
foreach (var tenderBookmark in tenderBookmarks)
{
if (tenderItem.Reference == tenderBookmark.tenderReferenceNumber)
{
tenderItem.BookmarkImage = "bookmarkfilled.png";
break;
}
}
}
}
}
}
listView.ItemsSource = dbtenders0;
pageTitle.IsVisible = true;
activityIndicator.IsRunning = false;
activityIndicator.IsVisible = false;
upBtn.IsVisible = true;
await WaitAndExecuteUpdateTenders(10000);
}
else
{
//Sending HTTP request to obtain the tender page data
string httpTask = await Task.Run <string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_tender_eligible.jsp", true));
var httpResult = httpTask;
//Extract tender data from the response
var tenders = await DataExtraction.getWebData(httpResult, "eligibelTenderPage");
List <tenderItem> tenderItems = (List <tenderItem>)tenders;
//Get bookmark details from database
if (userSession.username != "")
{
//string httpTask = await Task.Run<string>(() => HttpRequestHandler.GetRequest("http://www2.sesco.com.my/etender/vendor/vendor_tender_eligible.jsp", true));
//Task<List<tenderBookmark>> bookmarkHttpTask = Task.Run<List<tenderBookmark>>(() => retrieveBookmark());
List <tenderBookmark> tenderBookmarks = await retrieveBookmark();
if (tenderBookmarks != null)
{
//List<tenderBookmark> tenderBookmarks = bookmarkHttpTask;
if (tenderBookmarks.Count > 0)
{
foreach (var tenderItem in tenderItems)
{
foreach (var tenderBookmark in tenderBookmarks)
{
if (tenderItem.Reference == tenderBookmark.tenderReferenceNumber)
{
tenderItem.BookmarkImage = "bookmarkfilled.png";
break;
}
}
}
}
}
}
listView.ItemsSource = tenderItems;
//save all eligible tenders to database
await saveToTenderDb(tenderItems, 0);
pageTitle.IsVisible = true;
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
//pageTitle.IsVisible = true;
if (tenderItems.Count > 0)
{
upBtn.IsVisible = true;
}
await WaitAndExecuteUpdateTenders(10800000);
}
}
