showad.aspx.cs

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using System;
using System.Text;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;

using AspNet.StarterKits.Classifieds.BusinessLogicLayer;
using AspNet.StarterKits.Classifieds.Web;

public partial class ShowAd_aspx : System.Web.UI.Page
{
	public int AdId
	{
		get
		{
			if (ViewState["AdId"] != null)
				return (int)ViewState["AdId"];
			else
				return 0;
		}
		set
		{
			ViewState["AdId"] = value;
		}
	}

	public int CurrentPhotoIndex
	{
		get
		{
			if (ViewState["CurrentPhotoIndex"] != null)
				return (int)ViewState["CurrentPhotoIndex"];
			else
				return -1;
		}
		set
		{
			ViewState["CurrentPhotoIndex"] = value;
		}
	}

	public int NumPostBacks
	{
		get
		{
			if (ViewState["NumPostBacks"] != null)
				return (int)ViewState["NumPostBacks"];
			else
			{
				ViewState["NumPostBacks"] = 0;
				return 0;
			}
		}
		set
		{
			ViewState["NumPostBacks"] = value;
		}
	}

	protected void Page_Load(object sender, EventArgs e)
	{
		// Check if the URL querystring contains a valid ad.
		int adId = DefaultValues.IdNullValue;
		string adIdQs = Request.QueryString["id"];
		if (adIdQs != null && !Int32.TryParse(adIdQs, out adId))
		{
			Response.Redirect("~/Search.aspx");
		}

		if (!Page.IsPostBack)
		{
			if (User.Identity.IsAuthenticated)
			{

				this.ResponseContactEmailTextBox.Text =
					this.EmailSenderAddressTextBox.Text =
					Membership.GetUser().Email;

				this.ResponseContactNameTextBox.Text =
					this.EmailSenderNameTextBox.Text =
					Profile.FirstName + " " + Profile.LastName;
			}

		}
	}

	protected void AdsDataSource_Selected(object sender, ObjectDataSourceStatusEventArgs e)
	{
		AdsDataComponent.AdsRow ad = e.ReturnValue as AdsDataComponent.AdsRow;
		if (ad == null)
		{
			Response.Redirect("~/Search.aspx", true);
		}
		else
		{
			// Save the AdId to ViewState for future reference
			this.AdId = ad.Id;

			// fill in Ad Details for "Email Ad" form

			StringBuilder msg = new StringBuilder();
			msg.Append("Ad: ");
			msg.AppendLine(ad.Title);

			msg.Append("Category: ");
			msg.AppendLine(ad.CategoryName);

			msg.Append("Price: ");
			msg.AppendFormat("{0:c}", ad.Price);
			msg.AppendLine();

			msg.AppendLine();

			msg.Append("URL: ");
			msg.Append(ClassifiedsHttpApplication.SiteUrl);
			if (!ClassifiedsHttpApplication.SiteUrl.EndsWith("/"))
				msg.Append("/");
			msg.Append("ShowAd.aspx?id=");
			msg.AppendLine(ad.Id.ToString());

			msg.AppendLine();

			SiteSettings settings = SiteSettings.GetSharedSettings();
			msg.AppendLine(settings.SiteName);
			msg.AppendLine(ClassifiedsHttpApplication.SiteUrl);

			EmailMessageTextBox.Text = msg.ToString();

			EmailSubjectTextBox.Text = "Take a look at: " + ad.Title;

			CategoryListingsLink.Text = ad.CategoryName;
			CategoryListingsLink.NavigateUrl = "~/Search.aspx?c=" + ad.CategoryId.ToString();

			MemberListingsLink.Text = "Other Listings by " + ad.MemberName;
			MemberListingsLink.NavigateUrl = "~/Search.aspx?member=" + ad.MemberName;

			CommonCategoryDropDown.CurrentCategoryId = ad.CategoryId;
			CategoryPath.CurrentCategoryId = ad.CategoryId;

		}
	}

	protected void RespondButton_Click(object sender, EventArgs e)
	{
		SetActivePanel(ResponsePanel);
	}

	protected void EmailAdButton_Click(object sender, EventArgs e)
	{
		SetActivePanel(EmailPanel);
	}

	protected void SaveAdButton_Click(object sender, EventArgs e)
	{
		if (User.Identity.IsAuthenticated)
		{
			AdsDB.InsertSavedAd(AdId, Profile.MemberId);
			SetActivePanel(AdSavedPanel);
		}
		else
		{
			FormsAuthentication.RedirectToLoginPage();
		}
	}

	protected void ResponseSubmitButton_Click(object sender, EventArgs e)
	{
		ResponseEmailRequired1.Validate();
		if (Page.IsValid)
		{
			bool EmailSentBool =
				AdsDB.SendResponse(AdId, Server.HtmlEncode(ResponseContactNameTextBox.Text), Server.HtmlEncode(ResponseContactEmailTextBox.Text), Server.HtmlEncode(ResponseCommentsTextBox.Text));
			if (EmailSentBool)
				SetActivePanel(EmailSentPanel);
			else
				SetActivePanel(EmailNotSentPanel);
		}
	}

	protected void PhotoList_ItemCommand(object source, DataListCommandEventArgs e)
	{
		if (e.CommandName.Equals("ShowFullSize"))
		{
			int photoId = Convert.ToInt32(e.CommandArgument);
			ShowFullSizePhoto(photoId);
			CurrentPhotoIndex = e.Item.ItemIndex;
		}
	}

	protected void ShowFullSizePhoto(int photoId)
	{
		PhotoPanel.Visible = true;
		FullSizePhoto.ImageUrl = "~/PhotoDisplay.ashx?size=full&photoid=" + photoId.ToString();
		SetActivePanel(PhotoPanel);
	}

	protected void ShowNextPhoto()
	{
		int currPhotoIndex = CurrentPhotoIndex;
		if (currPhotoIndex != -1)
		{
			int nextIndex = (currPhotoIndex + 1) % PhotoList.DataKeys.Count;

			int nextPhotoId = Convert.ToInt32(PhotoList.DataKeys[nextIndex]);
			ShowFullSizePhoto(nextPhotoId);

			CurrentPhotoIndex = nextIndex;
		}
	}

	protected void FullSizePhoto_Click(object sender, ImageClickEventArgs e)
	{
		ShowNextPhoto();
	}

	protected void SetActivePanel(Panel panel)
	{
		if (panel == null)
			return;

		ResponsePanel.Visible = false;
		EmailPanel.Visible = false;
		PhotoPanel.Visible = false;
		EmailSentPanel.Visible = false;
		EmailNotSentPanel.Visible = false;
		AdSavedPanel.Visible = false;

		panel.Visible = true;
		Page.SetFocus(AdDetailsPanel);
	}
	protected void HidePanel(Panel panel)
	{
		panel.Visible = false;
		Page.SetFocus(AdDetailsPanel);
	}

	protected void EmailSubmitButton_Click(object sender, EventArgs e)
	{
		EmailSenderAddressTextBoxValidator1.Validate();
		EmailRecipientAddressTextBoxValidator1.Validate();
		if (Page.IsValid)
		{
			bool EmailSentBool =
				AdsDB.SendAdInEmail(AdId, Server.HtmlEncode(EmailSenderNameTextBox.Text), Server.HtmlEncode(EmailSenderAddressTextBox.Text), Server.HtmlEncode(EmailRecipientAddressTextBox.Text), Server.HtmlEncode(EmailSubjectTextBox.Text), Server.HtmlEncode(EmailMessageTextBox.Text));
			if (EmailSentBool)
				SetActivePanel(EmailSentPanel);
			else
				SetActivePanel(EmailNotSentPanel);
		}
	}

	protected void HidePhotoPanel_Click(object sender, EventArgs e)
	{
		HidePanel(PhotoPanel);
	}
	protected void CancelResponseButton_Click(object sender, EventArgs e)
	{
		HidePanel(ResponsePanel);
	}
	protected void CancelEmailButton_Click(object sender, EventArgs e)
	{
		HidePanel(EmailPanel);
	}


	protected void CategoryPath_CategorySelectionChanged(object sender, CategorySelectionChangedEventArgs e)
	{
		Response.Redirect("~/Search.aspx?c=" + e.CategoryId.ToString());
	}
	protected void AdDetails_ItemDataBound(object sender, RepeaterItemEventArgs e)
	{
		RepeaterItem item = e.Item;
		AdsDataComponent.AdsRow ad = item.DataItem as AdsDataComponent.AdsRow;
		if (ad != null)
		{
			AdTitleLabel.Text = ad.Title;
			AdPriceLabel.Text = String.Format("{0:c}", ad.Price);

			Label ExpirationLabel = item.FindControl("ExpirationLabel") as Label;
			HyperLink URLLink = item.FindControl("URLLink") as HyperLink;

			AdTypeLabel.Text = OutputFormatting.AdTypeToString(ad.AdType);

			if (ad.URL.Equals(String.Empty))
			{
				URLLink.Text = "N/A";
			}
			else
			{
				URLLink.Text =
				   URLLink.NavigateUrl = ad.URL;
				URLLink.Target = "_blank";
			}

			if (ad.IsExpirationDateNull())
			{
				ExpirationLabel.Text = "N/A";
			}
			else
			{
				ExpirationLabel.Text = String.Format("{0:D}", ad.ExpirationDate);
			}

			if ((AdStatus)ad.AdStatus == AdStatus.Activated)
			{
				if (Profile.MemberId != ad.MemberId)
				{
					// check if the user has recently viewed this page
					// by looking in a special cookie we set:

					string adCookieKey = ad.Id.ToString();
					if (Request.Cookies["ShowAd_ViewCountCookie"] == null || Request.Cookies["ShowAd_ViewCountCookie"][adCookieKey] == null)
					{
						Response.Cookies["ShowAd_ViewCountCookie"][adCookieKey] = String.Empty; // String.Empty is not treated as 'null' but saves a byte
						Response.Cookies["ShowAd_ViewCountCookie"].Expires = DateTime.Now.AddDays(1);
						AdsDB.IncrementViewCount(ad.Id);
					}
				}
			}
			else
			{
				AdNotActivePanel.Visible = true;
				AdActions.Visible = false;
			}
		}
	}
}