Domain Object
class Siteimage extends Object
{
public $tmp_name;
public $versions = array();
function Siteimage($id='', $user='', $size='', $type='', $name='', $label='')
{
$this->id = $id;
$this->user = $user;
$this->size = $size;
$this->type = $type;
$this->name = $name;
$this->label = $label;
}
function GetTmpName() { return $this->tmp_name; }
function GetName()
{
if ($this->isGhost()) $this->PopulateMe();
if (empty($this->name))
{
list($object_type, $extension) = explode('/', $this->type);
$this->name = '/' . CodeGenerator::GetCode() . '.' . $extension;
}
return $this->name;
}
function SetFromRequest($file='')
{
$this->tmp_name = $file['tmp_name'];
$this->type = $file['type'];
$this->size = $file['size'];
}
function SaveFile()
{
$config = Config::GetInstance();
$file_path = $config->resource['path'] . $this->GetName();
if (move_uploaded_file($this->GetTmpName(), $file_path))
{
chmod($file_path, 0777);
return true;
}
else
{
$this->session = new Session();
$this->error = new Message('fileupload', "I think there's something wrong saving the file to the folder.");
return false;
}
}
function DeleteFile()
{
$config = Config::GetInstance();
$this->DeleteVersions();
unlink($config->resource['path'] . $this->GetName());
return true;
}
function DeleteVersions()
{
$config = Config::GetInstance();
foreach ($config->image as $version => $version_details)
{
$components = explode('/', $this->GetName());
$components[count($components)-1] = $version . "_" . $components[count($components)-1];
$separator = '';
foreach ($components as $component)
{
$this->versions[$version] .= $separator . $component;
$separator = "/";
}
if (file_exists($config->resource['path'] . $this->versions[$version]))
{
unlink($config->resource['path'] . $this->versions[$version]);
}
}
}
}
Validator
class SiteimageValidator extends BaseSiteimageValidator
{
function SiteimageValidator($post='', $files='') { $this->Initialise($post, $files); }
function Populate($post='', $files='')
{
if (is_a($post, 'Siteimage'))
{
$this->id = $post->GetId();
$this->user = $post->GetUser()->GetId();
$this->name = $post->GetName();
$this->label = $post->GetLabel();
}
else
{
$this->id = $post['id'];
$this->user = $post['user'];
$this->name = $files['name'];
$this->label = $post['label'];
}
}
function Save()
{
$siteimage = new Siteimage();
$siteimage = (empty($this->id)) ? new Siteimage() : $siteimage->GetMapper()->Find(new SiteImage($this->id));
if ($this->name['error'] != UPLOAD_ERR_NO_FILE) $siteimage->SetFromRequest($this->name);
$siteimage->SetUser(new User($this->user));
$siteimage->SetLabel($this->label);
return ($siteimage->Save()) ? $siteimage : false;
}
function isValid()
{
$this->errors = array();
if (empty($this->label)) $this->errors[] = new Message('label', "You should type a unique label for the image.");
else if (!$this->IsValidAlphanumeric($this->label)) $this->errors[] = new Message('label', "You can only have hyphens, spaces, letters and numbers in this field.");
else
{
$siteimage_mapper = new Siteimages();
$siteimage = $siteimage_mapper->FindByLabel($this->label);
if (is_a($siteimage, 'Siteimage') && $siteimage->GetId() != $this->id) $this->errors[] = new Message('label', "Sorry, but that label is already in use for another image.");
}
if (($this->name['error'] != UPLOAD_ERR_NO_FILE && !empty($this->id)) || empty($this->id))
{
$file_error_message = $this->ValidateFile($this->name, array("image/jpeg", "image/jpg", "image/gif", "image/png"));
if ((string)$file_error_message == "File type is not correct.") $this->errors[] = new Message('name', "You can only upload GIFs, PNGs or JPEGs. ");
else if ($file_error_message !== true) $this->errors[] = new Message('name', $file_error_message);
}
if (!$this->IsValidInt($this->user)) $this->errors[] = new Message('user', "Can't find a user to add the image with.");
return empty($this->errors);
}
}
Mapper
class Siteimages extends Mapper
{
function Save(&$object)
{
$action_text = ($object->isNew()) ? "insert into " : "update ";
if (!$object->isNew()) $condition = "where id=" . $object->GetId();
if ($object->GetTmpName() != "")
{
if (!$object->isNew())
{
$old_file = $object->GetName();
$object->SetName();
}
if (!$object->SaveFile())
{
$session = new Session();
$session->AddMessage(new Message('save', "There was a problem saving the file. "));
return false;
}
}
$sql_string = "
$action_text siteimages
set user =" . $object->GetUser()->GetId() . ",
name ='" . $object->GetName() . "',
type ='" . $object->GetType() . "',
size ='" . $object->GetSize() . "',
label ='" . $object->GetLabel() . "'
$condition
";
if ($this->dao->ExecuteQuery($sql_string))
{
if (!$object->isNew() && $object->GetTmpName() != "")
{
$object->SetName($old_file);
$object->DeleteFile();
}
if ($object->isNew()) $object->SetId(mysql_insert_id($this->dao->conn));
return true;
}
else
{
$object->DeleteFile();
return false;
}
}
}
Controller
class SiteimageController extends Controller
{
function Input()
{
$siteimage_mapper = new Siteimages();
$this->siteimage = $siteimage_mapper->Find(new Siteimage($this->get['id']));
if (empty($this->post))
{
$this->form = new SiteimageValidator($this->siteimage);
if (!is_a($this->siteimage, 'Siteimage')) $this->form->SetUser($this->session->user->GetId());
}
else
{
$this->form = new SiteimageValidator($this->post, $this->files);
if ($this->form->isValid())
{
$siteimage = $this->form->Save();
if ($siteimage instanceof Siteimage)
{
$this->session->AddMessage(new Message("success", "Your picture was saved successfully. "));
$this->Redirect($this->MakeLink('siteimage', 'all'));
}
else
{
$this->session->AddMessage(new Message('database_error', "Couldn't save to the database. "));
}
}
}
$this->LoadTemplate("FormSiteimage");
}
}
Template
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<? $this->LoadComponent('HeadTag'); ?>
<body>
<? $this->LoadComponent('AdminHeader'); ?>
<div class="pod twoCol">
<h2>Site Image Upload Form</h2>
<div>
<br>
<?=$this->session->PrintMessages()?>
<?=$this->form->PrintError('user')?>
<form method='post' action='' enctype="multipart/form-data">
<input type="hidden" class="hidden" name="MAX_FILE_SIZE" value="300000" />
<input type='hidden' class="hidden" name='id' value='<?=$this->form->GetId()?>' />
<input type='hidden' class="hidden" name='user' value='<?=$this->form->GetUser()?>' />
<label for='label'>Label</label>
<input type='text' name='label' value="<?=$this->form->GetLabel()?>" id='label' />
<?=$this->form->PrintError('label')?>
<br>
<label for='name'>Image Location</label>
<input type='file' name='name' value="" id='name' />
<p>Please choose an image file to upload.</p>
<?=$this->form->PrintError('name')?>
<br>
<? if ($this->siteimage instanceof Siteimage) { ?>
<label>Current Image</label>
<img src="<?=$this->siteimage->GetVersion('thumbnail')?>" />
<br>
<br>
<? } ?>
<label></label>
<input type='submit' name='submit' value='Save' class='submit' />
</form>
</div>
</div>
<? $this->LoadComponent('PageFooter'); ?>
</body>
</html>
