protected void selectAlbumBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
int selectedAlbumId = 0;
try
{
selectedAlbumId = ws.GetAlbumIdByUserIdAndAlbumName((int)Session["pUserId"], this.albumDropDown.Text);
}
catch
{
this.errorLabel.Text = "Error!";
this.errorLabel.Visible = true;
}
if (selectedAlbumId < 0)
{
this.errorLabel.Text = string.Format("User has no album called {0}!", this.albumDropDown.Text);
this.errorLabel.Visible = true;
this.updateDropDownParams(sender, e);
return;
}
Session["selectedAlbumId"] = selectedAlbumId;
this.imagesGridView.SelectedIndex = -1;
this.imagesGridView.DataBind();
this.updateDropDownParams(sender, e);
}
protected void changeAlbumNameBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
UserValidationWS validationWS = new UserValidationWS();
string newName = this.newAlbumName.Text.Trim();
if (Session["selectedAlbumId"] == null)
{
// No album was selected.
this.errorLabel.Text = "No album was selected! Please select an album!";
this.errorLabel.Visible = true;
return;
}
if (validationWS.isAlbumNameValid(newName))
{
Album albmObj = ws.GetAlbumById((int)Session["selectedAlbumId"]);
albmObj.AlbumName = newName;
// Annoying but only works like this.
bool res = false;
try
{
res = ws.UpdateAlbum(albmObj.AlbumId, albmObj.AlbumOwnerId, albmObj.AlbumName, albmObj.AlbumCreationTime, albmObj.AlbumSize);
}
catch
{
this.errorLabel.Text = "Invalid Action!";
this.errorLabel.Visible = true;
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
return;
}
if (res)
{
this.updateDropDownParams(sender, e);
this.imagesGridView.DataBind();
Session["selectedAlbumId"] = null;
}
else
{
this.errorLabel.Text = "Could not update album, try again later!";
this.errorLabel.Visible = true;
}
this.imagesGridView.SelectedIndex = -1;
}
else
{
this.errorLabel.Text = validationWS.albumNameLengthInvalidMessage();
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
this.imagesGridView.DataBind();
return;
}
}
protected void createAlbumBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
UserValidationWS validationWS = new UserValidationWS();
string newName = this.newAlbumName.Text.Trim();
if (validationWS.isAlbumNameValid(newName))
{
bool res = false;
try
{
res = ws.AddAlbum((int)Session["pUserId"], newName);
}
catch
{
this.errorLabel.Text = "Invalid Action!";
this.errorLabel.Visible = true;
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
return;
}
if (res)
{
this.updateDropDownParams(sender, e);
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
}
else
{
this.errorLabel.Text = "Could not create new album, try again later!";
this.errorLabel.Visible = true;
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
}
}
else
{
this.errorLabel.Text = validationWS.albumNameLengthInvalidMessage();
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
this.imagesGridView.DataBind();
return;
}
}
protected void updateDropDownParams(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
Album[] albumList = ws.GetUserAlbums((int)Session["pUserId"]);
this.albumDropDown.Items.Clear();
if (albumList == null)
{
this.errorLabel.Text = "You have no albums! please create one!";
this.errorLabel.Visible = true;
return;
}
foreach (Album al in albumList)
{
this.albumDropDown.Items.Insert(0, al.AlbumName);
}
}
protected void deleteAlbumBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
if (Session["selectedAlbumId"] == null)
{
// No album was selected.
this.errorLabel.Text = "No album was selected! Please select an album!";
this.errorLabel.Visible = true;
return;
}
int selectedAlbumId = (int)Session["selectedAlbumId"];
Album selectedAlbum = ws.GetAlbumById(selectedAlbumId);
bool res = false;
try
{
res = ws.DeleteAlbum(selectedAlbum) && ws.DeleteAlbumImages(selectedAlbum);
}
catch
{
this.errorLabel.Text = "Invalid Action!";
this.errorLabel.Visible = true;
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
return;
}
if (res)
{
this.updateDropDownParams(sender, e);
this.imagesGridView.DataBind();
Session["selectedAlbumId"] = null;
}
else
{
this.errorLabel.Text = "Could not delete the selected album, try again later!";
this.errorLabel.Visible = true;
}
this.imagesGridView.SelectedIndex = -1;
this.imagesGridView.DataBind();
}
protected void imagesGridView_SelectedIndexChanged(object sender, EventArgs e)
{
GigaGalleryWS ws = new GigaGalleryWS();
if (Session["selectedAlbumId"] == null)
{
return;
}
Img[] images = ws.GetAlbumImages((int)Session["selectedAlbumId"]);
if (images == null)
{
this.errorLabel.Text = "Album is empty, please insert some images!";
this.errorLabel.Visible = true;
return;
}
Img selectedImg = null;
foreach (Img img in images)
{
if (img.ImageName == Context.Server.HtmlDecode(this.imagesGridView.SelectedRow.Cells[2].Text))
{
selectedImg = img;
}
}
if (selectedImg == null)
{
this.errorLabel.Text = "The selected image does not exist in this album!";
this.errorLabel.Visible = true;
return;
}
else
{
string beginPath = "~\\UserImages\\";
string imagePath = selectedImg.ImageFilePath;
this.selectedImagePreview.ImageUrl = beginPath + imagePath;
this.selectedImagePreview.DataBind();
this.selectedImagePreview.Visible = true;
this.updateDropDownParams(sender, e);
}
}
protected void deleteImageBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
if (Session["selectedAlbumId"] == null)
{
return;
}
Img[] images = ws.GetAlbumImages((int)Session["selectedAlbumId"]);
if (images == null)
{
this.errorLabel.Text = "Album is empty, please insert some images!";
this.errorLabel.Visible = true;
return;
}
Img selectedImg = null;
foreach (Img img in images)
{
if (img.ImageName == Context.Server.HtmlDecode(this.imagesGridView.SelectedRow.Cells[2].Text))
{
selectedImg = img;
}
}
if (selectedImg == null)
{
this.errorLabel.Text = "The selected image does not exist in this album!";
this.errorLabel.Visible = true;
return;
}
else
{
if (ws.DeleteImage(selectedImg))
{
this.imagesGridView.DataBind();
}
else
{
this.errorLabel.Text = "Could not delete the selected image, try again later!";
this.errorLabel.Visible = true;
}
string beginPath = Request.PhysicalApplicationPath + "UserImages";
string imagePath = selectedImg.ImageFilePath;
// Delete physical file.
if (System.IO.File.Exists(beginPath + imagePath))
{
System.IO.File.Delete(beginPath + imagePath);
this.imagesGridView.SelectedIndex = -1;
}
else
{
this.errorLabel.Text = "Could not delete physical file instance!";
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
this.imagesGridView.DataBind();
this.updateDropDownParams(sender, e);
return;
}
}
}
protected void changeImageNameBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
if (Session["selectedAlbumId"] == null)
{
// No album was selected.
this.errorLabel.Text = "No album was selected! Please select an album!";
this.errorLabel.Visible = true;
return;
}
Img[] images = ws.GetAlbumImages((int)Session["selectedAlbumId"]);
if (images == null)
{
this.errorLabel.Text = "Album is empty, please insert some images!";
this.errorLabel.Visible = true;
return;
}
Img selectedImg = null;
foreach (Img img in images)
{
if (img.ImageName == Context.Server.HtmlDecode(this.imagesGridView.SelectedRow.Cells[2].Text))
{
selectedImg = img;
}
}
if (selectedImg == null)
{
this.errorLabel.Text = "The selected image does not exist in this album!";
this.errorLabel.Visible = true;
return;
}
else
{
UserValidationWS validationWS = new UserValidationWS();
string newName = this.changeImageNameTB.Text.Trim();
if (validationWS.isImageNameValid(newName))
{
selectedImg.ImageName = newName;
bool res = false;
try
{
res = ws.UpdateImage(selectedImg);
}
catch
{
this.errorLabel.Text = "Invalid Action!";
this.errorLabel.Visible = true;
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
return;
}
if (res)
{
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
this.updateDropDownParams(sender, e);
}
else
{
this.errorLabel.Text = "Could not update the image name, try again later!";
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
}
}
else
{
this.errorLabel.Text = validationWS.imageNameLengthInvalidMessage();
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
return;
}
}
}
protected void addImageBtn_Click(object sender, EventArgs e)
{
if (Session["selectedAlbumId"] == null)
{
// No album was selected.
this.errorLabel.Text = "No album was selected! Please select an album!";
this.errorLabel.Visible = true;
return;
}
GigaGalleryWS ws = new GigaGalleryWS();
Album selectedAlbum = ws.GetAlbumById((int)Session["selectedAlbumId"]);
string beginPath = Request.PhysicalApplicationPath + "UserImages";
string userPath = string.Format("\\{0}\\{1}", CreateMD5(((User)Session["pUser"]).UserName), CreateMD5(selectedAlbum.AlbumName));
if (this.imageFileUpload.HasFile)
{
if (!System.IO.Directory.Exists(beginPath + userPath))
{
// Need to create a directory for the album.
System.IO.Directory.CreateDirectory(beginPath + userPath);
}
UserValidationWS validationWS = new UserValidationWS();
string newName = this.newImageNameTB.Text.Trim();
if (!validationWS.isImageNameValid(newName))
{
this.errorLabel.Text = validationWS.imageNameLengthInvalidMessage();
this.errorLabel.Visible = true;
return;
}
string fileExtention = System.IO.Path.GetExtension(this.imageFileUpload.FileName);
if (fileExtention != ".png" && fileExtention != ".jpg" && fileExtention != ".jpeg")
{
this.errorLabel.Text = "File extention must be either of these types (.png, .jpg, .jpeg)!";
this.errorLabel.Visible = true;
return;
}
if (this.imageFileUpload.PostedFile.ContentLength < 10000000)
{
if (doesUserImageExist(beginPath, ((User)Session["pUser"]).UserName, selectedAlbum.AlbumName, newName, fileExtention))
{
this.errorLabel.Text = "Image with the same name alrady exists in this album!";
return;
}
else
{
// Successfully uploaded image.
// Update sql database and save image.
string fullPath = getHashedFilePath(beginPath, ((User)Session["pUser"]).UserName, selectedAlbum.AlbumName, newName, fileExtention);
if (!ws.UpdateAlbum(selectedAlbum.AlbumId, selectedAlbum.AlbumOwnerId, selectedAlbum.AlbumName, selectedAlbum.AlbumCreationTime, selectedAlbum.AlbumSize + 1))
{
// error! could not update album sql.
return;
}
string imagePath = getHashedFilePath(".", ((User)Session["pUser"]).UserName, selectedAlbum.AlbumName, newName, fileExtention);
bool res = false;
try
{
res = ws.AddImage((int)Session["pUserId"], selectedAlbum.AlbumId, newName, imagePath);
}
catch
{
this.errorLabel.Text = "Invalid Action!";
this.errorLabel.Visible = true;
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
return;
}
if (!res)
{
// error! could not update image sql.
return;
}
try
{
this.imageFileUpload.SaveAs(fullPath);
}
catch
{
this.errorLabel.Text = "Error!";
this.errorLabel.Visible = true;
}
this.updateDropDownParams(sender, e);
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
}
}
}
else
{
this.errorLabel.Text = "Please make sure to select an image file!";
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
return;
}
}
