protected void Page_Load(object sender, EventArgs e)
{
Product = "Imaging";
this.hdnSearchId.Value = Page.RouteData.Values["SearchId"]?.ToString();
if (!this.IsPostBack)
{
try
{
var status = AsposeReverseSearchApiHelper.GetReverseSearchStatus(this.hdnSearchId.Value);
if (status != null)
{
ViewState["site"] = status.Site;
ViewState["searchId"] = status.Id;
this.hdnSearchStatus.Value = ((int)status.State).ToString();
this.IndexingPlaceHolder.Visible =
status.State == AsposeReverseSearchApiHelper.SearchState.Indexing;
this.SearchingPlaceHolder.Visible =
status.State == AsposeReverseSearchApiHelper.SearchState.Searching;
this.ResultsPlaceHolder.Visible =
status.State == AsposeReverseSearchApiHelper.SearchState.Ready;
if (status.State == AsposeReverseSearchApiHelper.SearchState.Ready)
{
this.ShowSearchResults(AsposeReverseSearchApiHelper.GetLastResuts(status.Id));
}
}
}
catch (Exception)
{
this.Response.Redirect("~/errorpage");
}
this.btnNewSearch.Text = Resources["ReverseSearchNewImage"];
// Set page settings based on from and top selection
this.PageSettings();
}
}
//private string GetValidFileExtensions(string validationExpression)
//{
// string validFileExtensions = validationExpression.Replace(".", "").Replace("|", ", ").ToUpper();
// int index = validFileExtensions.LastIndexOf(",");
// if (index != -1)
// {
// string substr = validFileExtensions.Substring(index);
// string str = substr.Replace(",", " or");
// validFileExtensions = validFileExtensions.Replace(substr, str);
// }
// return validFileExtensions;
//}
private void PageSettings()
{
var mySiteMaster = (SiteMaster)this.Master;
mySiteMaster.Page.Title = this.Resources["ApplicationTitle"] + " | " +
this.Resources["ReverseSearchStartPageTitle"];
this.SetFileTypeAllowedExtensions();
this.hAsposeProductTitle.InnerText = this.Resources["Aspose" + this.TitleCase("imaging")];
this.hAsposeProductTitle.InnerText =
this.hAsposeProductTitle.InnerText + " " + this.Resources["ReverseSearch4"];
if (this.hdnSearchId.Value == null)
{
this.Response.Redirect("~/errorpage");
}
else if (this.hdnSearchId.Value != "new")
{
this.dvInputIdOrSite.Visible = false;
var status = AsposeReverseSearchApiHelper.GetReverseSearchStatus(this.hdnSearchId.Value);
if (status == null)
{
this.Response.Redirect("~/errorpage");
}
else if (status.State != AsposeReverseSearchApiHelper.SearchState.Ready)
{
Response.RedirectToRoute("AsposeAppReverseSearchResultsRoute", new { SearchId = status.Id });
}
if (status != null)
{
this.txtInputIdOrSite.InnerText = status.Id;
}
}
}
protected void ListView1_PagePropertiesChanging(object sender, PagePropertiesChangingEventArgs e)
{
ContactsDataPager.SetPageProperties(e.StartRowIndex, e.MaximumRows, false);
ShowResult(AsposeReverseSearchApiHelper.GetLastResuts(this.hdnSearchId.Value));
}
protected void btnStart_Click(object sender, EventArgs e)
{
Guid inputId;
var isIdInput = Guid.TryParse(txtInputIdOrSite.Value, out inputId);
var isNew = this.hdnSearchId.Value == "new";
this.rfvFile.Enabled = !(isNew && isIdInput);
Page.Validate("uploadFile");
if (Page.IsValid)
{
pMessage.Attributes.Remove("class");
pMessage.InnerHtml = "";
string error = null;
try
{
AsposeReverseSearchApiHelper.ImageSearchStatus status = null;
if (isIdInput)
{
status = AsposeReverseSearchApiHelper.GetReverseSearchStatus(this.txtInputIdOrSite.Value);
if (status == null)
{
error = $"Reverse image search with Id {this.txtInputIdOrSite.Value} not found";
}
else if (status.State == AsposeReverseSearchApiHelper.SearchState.Ready)
{
var searchResults = this.FileUpload1.PostedFile.InputStream.Length == 0
? AsposeReverseSearchApiHelper.GetLastResuts(status.Id)
: AsposeReverseSearchApiHelper.StartSearchSimilarImages(status.Id, this.FileUpload1.PostedFile.InputStream);
this.Session["searchResults"] = searchResults;
}
}
else
{
string url;
if (AsposeReverseSearchApiHelper.TryGetUrl(this.txtInputIdOrSite.Value, out url, out error))
{
status =
AsposeReverseSearchApiHelper.CreateReverseSearch(url,
this.FileUpload1.PostedFile.InputStream);
if (status == null)
{
error =
$"Cannot create reverse image search for the site {this.txtInputIdOrSite.Value}";
}
}
}
if (status == null)
{
pMessage.Visible = true;
pMessage.InnerHtml = error;
pMessage.Attributes.Add("class", "alert alert-danger");
}
else
{
Response.RedirectToRoute("AsposeAppReverseSearchResultsRoute", new { SearchId = status.Id });
}
}
catch (Exception ex)
{
pMessage.Visible = true;
pMessage.InnerHtml = "Error: " + ex.Message;
pMessage.Attributes.Add("class", "alert alert-danger");
}
}
}