parent.php | searchcode

/lib/controllers/common/parent.php

https://github.com/benstaker/webscrp-new
PHP | 645 lines | 304 code | 190 blank | 151 comment | 92 complexity | 4c0e89deca77fb07571f7ae470374935 MD5 | raw file

<?php

/**
 * Every *_Controller extends the Parent_Controller will
 * inherit all the properties and methods.
 */
Class Parent_Controller {
	
	/**
	 * Base path of the website.
	 * @var string
	 */
	protected $_basePath;

	/**
	 * Model object
	 * @var object
	 */
	protected $_model;

	/**
	 * Name of the template.
	 * @var string
	 */
	protected $_template;

	/**
	 * Name of the page.
	 * @var string
	 */
	protected $_page;

	/**
	 * View object.
	 * @var object.
	 */
	protected $_view;

	/**
	 * Breadcrumbs navigation.
	 * @var array
	 */
	protected $_breadcrumbs;

	/**
	 * Content to be outputted
	 * @var array
	 */
	protected $_content;

	/**
	 * Sidebar content to be outputted
	 * @var array
	 */
	protected $_sidebar;

	/**
	 * Messages to be outputted.
	 * @var array
	 */
	protected $_messages;

	/**
	 * Whether to return only the data.
	 * @var boolean
	 */
	protected $_return;

	/**
	 * GET variables.
	 * @var array
	 */
	protected $_getVars;

	/**
	 * Scripts to be included.
	 * @var array
	 */
	protected $_scripts;

	/**
	 * List of table headings.
	 * @var array
	 */
	protected $_tableHeadings;

	/**
	 * Initialise the properties.
	 * @param array  $getVars GET variables
	 * @param boolean $return  Whether to only return data.
	 */
	public function __construct($getVars = null){

		$this->_getVars = $getVars;
		$this->_return = $GLOBALS["return"];
		$this->_content = $this->_sidebar = $this->_messages = $this->_breadcrumbs = $this->_scripts = $this->_tableHeadings = array();
		$this->_page = $GLOBALS["options"]["page"];
		$this->_template = strtolower($this->_page);

		if($this->_return === false){

			// Store the base path.
			$this->_basePath = $GLOBALS["admin"] ? ADMIN_PATH . "/" . $this->_template : SITE_PATH . $this->_template;

			// If it's an admin page, add a parent breadcrumb.
			if($GLOBALS["admin"]) {
				$breadcrumb = array(ADMIN_PATH, "Control Panel");
				array_push($this->_breadcrumbs, $breadcrumb);
			}

			// Adds the page to the breadcrumb.
			$breadcrumb = array($this->_basePath, $this->_page);
			array_push($this->_breadcrumbs, $breadcrumb);

		}

		self::main();

	}

	/**
	 * Call the assign() method.
	 */
	public function __destruct(){

		self::assign();

	}

	/**
	 * Creates the Model/View objects, then calls the action() method.
	 * @param  array $getVars GET variables.
	 * @return [type]          [description]
	 */
	protected function main(){

		$this->_view = new View_Model($this->_page, !$this->_return);

		// Assigns the title to the view.
		$this->_view->assign("title", $this->_page);
		
		// Creates the Model, passing the View object
		// if the return property is false.
		$class = $this->_page."_Model";
		$this->_model = $this->_return === false ? new $class($this->_view) : new $class;

		$tempEntity = $this->_model->getEntity();

		session_start();
		//unset($_SESSION["cust_id"]);
		if(!isset($_SESSION["cust_id"]) || empty($_SESSION["cust_id"])){

			$this->_model->setEntity("customer");
			$customers = $this->_model->getAll();
			$lastCustomer = $customers[count($customers)-1];
			$customerID = $lastCustomer["cust_id"];

			while(true){

				
				if($this->_model->get($customerID)) $customerID++;
				else break;

			}

			$customerArray = array("", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "");
			if($this->_model->add($customerArray)) $_SESSION["cust_id"] = $this->_model->lastInsertID();

		}

		$this->_model->setEntity($tempEntity);

		if($GLOBALS["admin"]) array_push($this->_sidebar, file_get_contents(SIDEBAR_ROOT . "control-panel.php"));
		else {

			$GLOBALS["model"] = $this->_model;
			ob_start();
			require_once(SIDEBAR_ROOT . "categories.php");
			array_push($this->_sidebar, ob_get_clean());

		}

		self::action();
		
	}

	/**
	 * Determines which action to perform.
	 */
	protected function action(){

		// If a search query has been performed, remove
		// the query from the vars.
		if($this->_template === "search" && isset($_GET["query"])) array_shift($this->_getVars);

		// If an image has been requested, manually set
		// the action and remove id/thumbnail from vars.
		if($this->_template === "image" && isset($_GET["id"])){
			
			if(isset($_GET["thumbnail"])) array_shift($this->_getVars);
			array_shift($this->_getVars);
			$GLOBALS["options"]["action"] = "get";

		}

		// Check that the supplied argument is an array and isn't empty.
		if(isset($GLOBALS["options"]["action"])){

			// Store the ID.
			$id = isset($this->_getVars["id"]) ? $this->_getVars["id"] : false;

			// Call the appropriate method.
			switch($GLOBALS["options"]["action"]){

				case "add":
					static::add();
					break;
				case "edit":
					static::edit($id);
					break;
				case "get":
					static::get($id);
					break;
				case "getall":
					static::getAll();
					break;
				case "remove":
					static::remove($id);
					break;
				default:
					try {

						static::$GLOBALS["options"]["action"]();

					} catch(Exception $e) {

						// If the action does not exist, return to the page's home.
						echo 'Caught exception: ',  $e->getMessage(), "\n";
						header("Location: ../" . static::getPage());
					}
					
					break;

			}

			if($GLOBALS["admin"] && !$GLOBALS["return"]) {

				// Adds the action breadcrumb.
				$breadcrumb = array($this->_basePath . "/" . $GLOBALS["options"]["action"], ucfirst($GLOBALS["options"]["action"]));
				array_push($this->_breadcrumbs, $breadcrumb);

			}
			
		} else static::home();
		
	}

	/**
	 * Assigns data to the view.
	 */
	protected function assign(){

		if($this->_return === false){

			$this->_view->assign("breadcrumbs", $this->_breadcrumbs);
			$this->_view->assign("content", $this->_content);
			$this->_view->assign("sidebar", $this->_sidebar);
			$this->_view->assign("message", $this->_messages);
			$this->_view->assign("scripts", $this->_scripts);

		} else {

			if(!empty($this->_content)) foreach($this->_content as $content) echo $content;
			if(!empty($this->_messages)){

				foreach($this->_messages as $messages) echo $messages;
				
			}

		}		
		
	}

	/**
	 * Returns the name of the page.
	 * @return string Name of the page.
	 */
	public function getPage(){

		return $this->_template;

	}

	/**
	 * Outputs all the rows in the entity to a table.
	 */
	protected function home(){

		// Attempts get all the rows from the database.
		if($items = $this->_model->getAll()){

			$columns = $this->_model->getColumns();
			$removableColumns = array("product" => array("prod_image_type", "prod_thumbnail"));

			foreach($removableColumns as $remove){

				if(is_array($remove)){

					foreach($remove as $column){

						if($index = array_search($column, $columns)) unset($columns[$index]);

					}

				}

			}


			if($this->_tableHeadings === null) $headings = $columns;
			else {

				if(count($this->_tableHeadings) === count($columns)) $headings = $this->_tableHeadings;
				else array_push($this->_messages, '<li class="error">The table headings are invalid [not the correct amount].</li>');

			}

			array_push($this->_content, "<h2>" . ucfirst($this->_template) . "</h2>");
			array_push($this->_content, "<p>You can change a cell by clicking on it. To remove a row, hover over the ID.</p>");

			$table = "<table id=\"" . $this->_template . "_table\" class=\"table\">\n";

			// Output the table headings.
			$table .= "<tr class=\"headings\">\n";
			$table .= "<th>&nbsp;</th>";
			foreach($headings as $heading) $table .= "<th>" . $heading . "</th>\n";
			$table .= "</tr>\n";		
			
			$listIDs = "";
			foreach($items as $item){

				// Store list of IDs in hidden input.
				$listIDs .= $item[$columns[0]] . ",";

				// Output the table data.
				$table .= "<tr>";
				foreach($columns as $column){
					
					if($column == $columns[0]) $table .= '<td><a href="admin/' . $this->_template . '/remove/' . $item[$columns[0]] . '" class="remove" title="Remove the row">&nbsp;</a></td>';
					$table .= "<td id=\"" . $item[$columns[0]] . "_" . $column . "\"";
					if($column == $columns[0]) $table .= ' class="primary" ';
					$table .= " title=\"\">";

					if($this->_template === "product"){

						if($column === "prod_image") $item[$column] = "<img src='image/" . $item[$columns[0]] . "/1' />";

					}
					$table .= $item[$column]
					. "</td>\n";

				}
				$table .= "</tr>";

			}
			$listIDs = substr($listIDs, 0, -1);
			$table .= "</table>\n";
			$table .= '<input type="hidden" id="' . $this->_template . '_ids" value="' . $listIDs . '" />';

			// Store list of columns in hidden input.
			$listColumns = "";
			foreach($columns as $column) $listColumns .= $column . ",";
			$listColumns = substr($listColumns, 0, -1);
			$table .= '<input type="hidden" id="' . $this->_template . '_columns" value="' . $listColumns . '" />';

			array_push($this->_content, $table);
			array_push($this->_scripts, "edit.js");

		}

	}

	/**
	 * Processes the form variables, then inserts data into the entity.
	 */
	protected function add($outputScript = true){

		$error = false;

		// Make sure the form has been submitted.
		if($_SERVER['REQUEST_METHOD'] == "POST"){

			// Get the entities columns.
			$columns = $this->_model->getColumns();

			// Shift the array to remove the Primary Key.
			array_shift($columns);

			if($this->_template === "product"){

				if(isset($_FILES["prod_image"])){

					$error = true;

					// Check for any errors.
					$imageError = $_FILES["prod_image"]["error"];
					if($imageError == 4) $no_image = true;
					else $no_image = false;

					// Image details.
					$imageName = $_FILES["prod_image"]["name"];
					$imageType = $_FILES["prod_image"]["type"];
					$imageSize = $_FILES["prod_image"]["size"];
					$imageTemporary = $_FILES["prod_image"]["tmp_name"];
					

					$extensionArray = array("jpg", "jpeg", "gif", "png");
					$extension = explode(".", $imageName);
					$extension = end($extension);

					// If image type is valid.
					if(($imageType == "image/gif") || ($imageType == "image/jpeg") || ($imageType == "image/png") || ($imageType == "image/pjpeg") || $no_image){

						// If image is less than 500KB.
						if($imageSize < 512000 || $no_image){

							// If image extension is in array.
							if(in_array($extension, $extensionArray) || $no_image){

								// If there was an error.
								if($imageError > 0 && !$no_image) array_push($this->_messages, '<li class="error">Return Code: ' . $imageError . '</li>');
								else {

									// If there is no image.
									if(!$no_image){

										// Store image data into variable.
										$imageData = file_get_contents($imageTemporary);

										// Load image.
										$image="";
										switch($imageType){
											case "image/jpeg":
											case "image/pjpeg":
												$image=imagecreatefromjpeg($imageTemporary);
												break;

											case "image/png":
												$image=imagecreatefrompng($imageTemporary);
												break;

											case "image/gif":
												$image=imagecreatefromgif($imageTemporary);
												break;
										}
										
										$thumbnailWidth = 150;

										// Get image size.
										$width = imagesx($image);
										$height = imagesy($image);

										// Calculate thumbnail size.
										$newWidth = $thumbnailWidth;
										$newHeight = floor($height * ($thumbnailWidth / $width));

										// Create a new temporary image.
										$temporaryImage = imagecreatetruecolor($newWidth, $newHeight);

										// Copy and resize old image into new image.
										imagecopyresampled($temporaryImage, $image, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);

										$temporaryImagePath = $imageTemporary . time();
										// Save thumbnail into a file.
										switch($imageType){
											case "image/jpeg":
											case "image/pjpeg":
												imagejpeg($temporaryImage, $temporaryImagePath, 9);
												break;

											case "image/png":
												imagepng($temporaryImage, $temporaryImagePath, 9);
												break;

											case "image/gif":
												imagegif($temporaryImage, $temporaryImagePath, 9);
												break;
										}

										// Store thumbnail data into variable.
										$fileHandler = fopen($temporaryImagePath, 'r');
										$imageThumbnailData = fread($fileHandler, filesize($temporaryImagePath));
										fclose($fileHandler);
										$error = false;

									} else {
										$imageData = $imageThumbnailData = file_get_contents(IMG_PATH . "no_image.jpg");
										$imageType = "image/jpeg";
										$error = false;
									}

								}

							} else array_push($this->_messages, '<li class="error">File-extension is invalid. Please upload either: .jpg, .jpeg, .gif, or .png.</li>');

						} else array_push($this->_messages, '<li class="error">File-size is too big. Please upload an image with a maximum size of 500KB.</li>');

					} else array_push($this->_messages, '<li class="error">File-type invalid. Please upload either: image/gif, image/jpeg, image/png, or image/pjpeg.</li>');

					$_POST["prod_image"] = $imageData;
					$_POST["prod_image_type"] = $imageType;
					$_POST["prod_thumbnail"] = $imageThumbnailData;

				}

			}

			if(isset($error) && !$error){

				// Populate the data array.
				$data = array();
				foreach($columns as $column){

					if(strpos($column, "_last_update") !== false) $_POST[$column] = time();
					if(strpos($column, "_date") !== false) $_POST[$column] = time();
					array_push($data, $_POST[$column]);

				}

				// Attempts to add the data to the entity.
				if($this->_model->add($data)){

					array_push($this->_messages, '<li class="success">Added the '.$this->_template.' successfully.</li>');

					if($GLOBALS["admin"]) array_push($this->_messages, redirect("admin/" . $this->_template, "1000"));
					else array_push($this->_messages, redirect($this->_template, "1000"));

					return true;

				}

			}

		} else if($outputScript) array_push($this->_scripts, "ajax.php?entity=" . $this->_template . "&form_action=add&admin=true");

		return false;

	}

	/**
	 * Processes the form variables, then changes the row in the entity.
	 */
	protected function edit($columns = null){

		// Make sure the form has been submitted.
		if($_SERVER['REQUEST_METHOD']=="POST"){

			// Populate the data array.
			$data = array();
			foreach($this->_model->getColumns() as $column){

				if(strpos($column, "_last_update") !== false) $_POST[$column] = time();
				array_push($data, $_POST[$column]);

			}

			// Attempts to edit the data in the entity.
			if($this->_model->edit($data, $columns)){

				array_push($this->_messages, '<li class="success">Edited the '.$this->_template.' successfully.</li>');

				if($GLOBALS["admin"]) array_push($this->_messages, redirect("admin/" . $this->_template, "1000"));
				else array_push($this->_messages, redirect($this->_template, "1000"));

				return true;

			}

		} else array_push($this->_scripts, "ajax.php?entity=" . $this->_template . "&form_action=edit");

		return false;

	}

	/**
	 * Returns a row from the entity.
	 * @param  string  $value   This can either be the ID of the row, or a string to search for.
	 * @return array        The row.
	 */
	protected function get($value = null){

		if($value == null) $value = $_GET["id"];

		// Attempts get a row from the table.
		if($row = $this->_model->get($value)) return $row;
		else return false;

	}

	/**
	 * Returns all the froms from an entity.
	 * @param  array  $where   Conditions to search for.
	 * @return array All the rows.
	 */
	protected function getAll($where = null){

		// Attempts get all the rows from the table.
		if($items = $this->_model->getAll($where)) return $items;
		else return false;

	}

	/**
	 * Processes the form variables, then removes the row from the entity.
	 */
	protected function remove($id = null){

		// Make sure the form has been submitted.
		if($_SERVER['REQUEST_METHOD']=="POST" || $id != null){

			// Get the entities columns.
			$columns = $this->_model->getColumns();

			// ID of row to be removed.
			if(isset($_POST[$columns[0]])) $id = $_POST[$columns[0]];

			// Attempts to remove the row from the entity.
			if($this->_model->remove($id)){

				array_push($this->_messages, '<li class="success">Removed the '.$this->_template.' successfully.</li>');

				if($GLOBALS["admin"]) array_push($this->_messages, redirect("admin/" . $this->_template, "1000"));
				else array_push($this->_messages, redirect($this->_template, "1000"));

				return true;

			}

		} else array_push($this->_scripts, "ajax.php?entity=" . $this->_template . "&form_action=remove");

		return false;

	}

}