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Gastenboek class V1.0

Auteur: marten - 10 december 2007 - 14:46 - Gekeurd door: Stijn - Hits: 7490 - Aantal punten: (0 stemmen)




Dit is een gastenboek script die ik gemaakt heb. Dit is erg basic allemaal. Ik ga nu verder met de childs van deze class zoals:

* admin systeem
* Captcha beveiliging
* Woord Blokkage Systeem

Het systeem maakt gebruik van PDO. Dit moet je dus geinstalleerd hebben staan. Opmerkingen zijn altijd welkom. Wel graag goed onderbouwt aub.

Code:
sql code - Bekijk de code zonder highlighting - Klap code in 
  1. CREATE TABLE `messages` (
  2.   `message_id` int(10) NOT NULL AUTO_INCREMENT,
  3.   `name` varchar(50) NOT NULL,
  4.   `email` varchar(50) DEFAULT NULL,
  5.   `message` longtext NOT NULL,
  6.   `posted` datetime DEFAULT NULL,
  7.   PRIMARY KEY  (`message_id`)
  8. ) ENGINE=InnoDB DEFAULT CHARSET=latin1;


php code - Bekijk de code zonder highlighting - Klap code in 
  1. <?php
  2. /**
  3.  * CG class (ComSi Guestbook)
  4.  * 
  5.  * @version 1.0 alpha
  6.  * @author Marten van Urk .: ComSi :. m.van.urk@comsi.nl .: www.comsi.nl :.
  7.  * 
  8.  *
  9.  */
  10. class Gastenboek {
  11. 	/**
  12. 	 * Settings of the guestbook
  13. 	 *
  14. 	 * guestbook_name					The name of the guestbook
  15. 	 * background_color					The background color of the guestbook
  16. 	 * 
  17. 	 * font_face						The default font of the guestbook
  18. 	 * font_color						The color of the default font of the guestbook
  19. 	 * font_size						The size of the default font of the guestbook
  20. 	 * 
  21. 	 * link_color						The default color of a link
  22. 	 * hover_link_color					The default color of a hover link
  23. 	 * visited_link_color				The default color of a visited link
  24. 	 * active_link_color				The default color of a active link
  25. 	 * 
  26. 	 * title_font_face					The default font of a title
  27. 	 * title_font_color					The default font color of the title
  28. 	 * title_font_size					The default font size of the title
  29. 	 * 
  30. 	 * Add_font_face					The default font of the Add Message button
  31. 	 * Add_font_color					The default font color of the Add message button
  32. 	 * Add_font_size					The default font size of the Add Message button
  33. 	 * 
  34. 	 * cell_background_color1			The background color of the first cell (name)
  35. 	 * cell_background_color2			The background color of the second cell (email)
  36. 	 * cell_background_color3			The background color of the third cell (Date / Time)
  37. 	 * cell_background_color4			The background color of the fourth cell (Message)
  38. 	 * 
  39. 	 * Border size						The border size of the guestbook table
  40. 	 * Border color						The border color of the guestbook table
  41. 	 * Table spacing					The spacing in the guestbook table
  42. 	 * Table width						The width of the guestbook table
  43. 	 * 
  44. 	 * Messages per page				The number of messages on a single page.
  45. 	 * 
  46. 	 * @var Array
  47. 	 */
  48. 	public $settings = array(
  49. 						'guestbook_name' 			=> '',
  50. 						'background_color' 			=> '',
  51. 						'font_face' 				=> 'verdana',
  52. 						'font_color' 				=> '',
  53. 						'font_size' 				=> '',
  54. 						'link_color' 				=> '',
  55. 						'hover_link_color' 			=> '',
  56. 						'visited_link_color' 		=> '',
  57. 						'active_link_color' 		=> '',
  58. 						'title_font_color' 			=> '',
  59. 						'title_font_face' 			=> '',
  60. 						'title_font_size' 			=> '',
  61. 						'add_font_face' 			=> 'verdana',
  62. 						'add_font_size' 			=> '',
  63. 						'add_font_color' 			=> '',
  64. 						'cell_background_color1' 	=> '',
  65. 						'cell_background_color2' 	=> '',
  66. 						'cell_background_color3' 	=> '',
  67. 						'cell_background_color4' 	=> '',
  68. 						'border_size' 				=> '',
  69. 						'border_color' 				=> '',
  70. 						'table_spacing' 			=> '',
  71. 						'table_width' 				=> '',
  72. 						'messages_per_page' 		=> 10);
  73.  
  74. 	/**
  75. 	 * Database connection
  76. 	 *
  77. 	 * @var Object
  78. 	 */
  79. 	private $db;
  80.  
  81. 	/**
  82. 	 * The last stored message id
  83. 	 *
  84. 	 * @var unknown_type
  85. 	 */
  86. 	public $message_id;
  87.  
  88. 	/**
  89. 	 * The message
  90. 	 *
  91. 	 * @var String
  92. 	 */
  93. 	public $message;
  94.  
  95. 	/**
  96. 	 * The email
  97. 	 *
  98. 	 * @var string
  99. 	 */
  100. 	public $email;
  101.  
  102. 	/**
  103. 	 * The poster's name
  104. 	 *
  105. 	 * @var string
  106. 	 */
  107. 	public $name;
  108.  
  109. 	/**
  110. 	 * Stores the last error message
  111. 	 *
  112. 	 * @var String
  113. 	 */
  114. 	public $error;
  115.  
  116. 	/**
  117. 	 * Constructor, Set the database connection and set the class variables to an empty string
  118. 	 *
  119. 	 * @param Object $db
  120. 	 */
  121. 	public function __construct($db) {
  122. 		$this->db 			= $db;
  123. 		$this->message_id	= '';
  124. 		$this->message 		= '';
  125. 		$this->email 		= '';
  126. 		$this->name 		= '';
  127. 		$this->error		= '';
  128. 	}
  129.  
  130. 	/**
  131. 	 * Set the message
  132. 	 *
  133. 	 * @param unknown_type $message
  134. 	 */
  135. 	public function setMessage($message) {
  136. 		$this->message = $message;
  137. 	}
  138.  
  139. 	/**
  140. 	 * Set an email address
  141. 	 *
  142. 	 * @param String $email
  143. 	 */
  144. 	public function setEmail($email) {
  145. 		$this->email = $email;
  146. 	}
  147.  
  148. 	/**
  149. 	 * Set the poster's name
  150. 	 *
  151. 	 * @param String $name
  152. 	 */
  153. 	public function setName($name) {
  154. 		$this->name = $name;
  155. 	}
  156.  
  157. 	/**
  158. 	 * Get the stored message
  159. 	 *
  160. 	 * @return String
  161. 	 */
  162. 	public function getMessage() {
  163. 		if (isset($this->message)) {
  164. 			return $this->message;	
  165. 		}		
  166. 	}
  167.  
  168. 	/**
  169. 	 * Get the stored email address
  170. 	 *
  171. 	 * @return String
  172. 	 */
  173. 	public function getEmail() {
  174. 		if (isset($this->email)) {
  175. 			return $this->email;
  176. 		}
  177. 	}
  178.  
  179. 	/**
  180. 	 * Get the stored poster's name
  181. 	 *
  182. 	 * @return String
  183. 	 */
  184. 	public function getName() {
  185. 		if (isset($this->name)) {
  186. 			return $this->name;
  187. 		}
  188. 	}	
  189.  
  190. 	/**
  191. 	 * Return a setting
  192. 	 * If you want return all settings you need $setting = all
  193. 	 *
  194. 	 * @author Marten van Urk .: ComSi :. m.van.urk@comsi.nl .: www.comsi.nl :.
  195. 	 * @param  $setting The desired setting | $setting = all for the complete array
  196. 	 */
  197. 	public function getSetting($setting) {
  198. 		if ($setting == 'all') {
  199. 			return $this->settings;
  200. 		} else {
  201. 			if (array_key_exists($setting)) {
  202. 				return $this->settings[$setting];
  203. 			} else {
  204. 				return false;
  205. 			}			
  206. 		}
  207. 	}
  208.  
  209. 	/**
  210. 	 * Set a setting
  211. 	 *
  212. 	 * @author Marten van Urk .: ComSi :. m.van.urk@comsi.nl .: www.comsi.nl :.
  213. 	 * @param String $setting The setting key
  214. 	 * @param String $value The new value
  215. 	 * @return Boolean True when succesfull, False when failed
  216. 	 */
  217. 	public function setSetting($setting, $value) {
  218. 		if (array_key_exists($setting)) {
  219. 			$this->settings[$setting] = $value;	
  220. 			return true;
  221. 		} else {
  222. 			return false;
  223. 		}
  224. 	}
  225.  
  226. 	/**
  227. 	 * Add message in the guestbook. Message, Name and email should be filled
  228. 	 *
  229. 	 * @author Marten van Urk .: ComSi :. m.van.urk@comsi.nl .: www.comsi.nl :.
  230. 	 * @param String $message
  231. 	 * @param String $name
  232. 	 * @param String $email
  233. 	 * @return Boolean True when successfully inserted the message in the database otherwise false
  234. 	 */
  235. 	public function addMessage() {
  236. 		if ($this->checkEmail($this->email) === true) {
  237. 			if (strlen($this->message) != 0) {
  238. 				if (strlen($this->name) != 0) {
  239. 					/**
  240. 					 * Filter the user-supplied text from (bad) html code
  241. 					 */
  242. 					$this->message	= htmlspecialchars($this->message,	ENT_QUOTES);					
  243. 					$this->email 	= htmlspecialchars($this->email,	ENT_QUOTES);
  244. 					$this->name 	= htmlspecialchars($this->name, 	ENT_QUOTES);
  245.  
  246. 					$sQuery = "INSERT INTO messages (name, email, message, posted) VALEUS ('" .$this->name. "', '" .$this->email. "', '" .$this->message. "', NOW())";
  247.  
  248. 					/**
  249. 					 * Try to execute the query. When a error occurs the error message will be stored in $this->error
  250. 					 */
  251. 					try {
  252. 						$this->db->query($sQuery);
  253. 						return true;
  254. 					} catch (PDOException $e) {
  255. 						$this->error = 'Can\'t insert the message:'  . $e->getMessage();
  256. 						return false;
  257. 					}
  258.  
  259. 					return true;
  260. 				} else {
  261. 					return false;
  262. 				}
  263. 			} else {
  264. 				return false;
  265. 			}
  266. 		} else {
  267. 			return false;
  268. 		}
  269. 	}
  270.  
  271. 	/**
  272. 	 * Check a email address
  273. 	 *
  274. 	 * @author Marten van Urk .: ComSi :. m.van.urk@comsi.nl .: www.comsi.nl :.
  275. 	 * @param String $email
  276. 	 * @return Boolean True when the email is correct otherwise false
  277. 	 */
  278. 	private function checkEmail($email) {
  279. 		if(!eregi("^[a-z0-9_-]+@[a-z0-9._-]+\.[a-z]{2,4}$", $email)) { 
  280. 			return false;
  281. 		} else {
  282. 			return true;
  283. 		}				
  284. 	}
  285.  
  286. 	/**
  287. 	 * Moderate a message. 
  288. 	 *
  289. 	 * @author Marten van Urk .: ComSi :. m.van.urk@comsi.nl .: www.comsi.nl :.
  290. 	 * @return Boolean True when the message is moderated succesfully, false when the message can't be moderated.
  291. 	 */
  292. 	public function modMessage() {
  293. 		if (is_int($this->message_id)) {
  294. 			$sQuery = "UPDATE messages SET message = '" .htmlspecialchars($this->message, ENT_QUOTES). "',
  295. 										   name = '" .htmlspecialchars($this->name, ENT_QUOTES). "',
  296. 										   email = '" .htmlspecialchars($this->email, ENT_QUOTES). "'
  297. 									   WHERE 
  298. 									   	   	message_id = " . $this->message_id;
  299.  
  300. 			/**
  301. 			 * Try to execute the query. When a error occurs, the error message will be stored in $this->error
  302. 			 */
  303. 			try {
  304. 				$rResult = $this->db->query($sQuery);
  305. 				return true;
  306. 			} catch(PDOException $e) {
  307. 				$this->error = 'Can\'t update the message:' . $e->getMessage();
  308. 				return false;
  309. 			}
  310. 		} else {
  311. 			$this->error = 'Can\'t update the message: Message_id is not set or not set properly';
  312. 			return false;
  313. 		}
  314. 	}
  315.  
  316. 	/**
  317. 	 * Delete a message
  318. 	 *
  319. 	 * @author Marten van Urk .: ComSi :. m.van.urk@comsi.nl .: www.comsi.nl :.
  320. 	 * @return Boolean True when the message is succesfull deleted, false when an error occurs.
  321. 	 */
  322. 	public function delMessage() {
  323. 		if (is_int($this->message_id)) {
  324. 			$sQuery = "DELETE FROM messages WHERE message_id = " . $this->message_id;
  325. 			try {
  326. 				$rResult = $this->db->query($sQuery);
  327. 				return true;
  328. 			} catch (PDOException $e) {
  329. 				$this->error = 'Can\'t delete the message: ' . $e->getMessage();
  330. 				return false;
  331. 			}
  332. 		} else {
  333. 			$this->error = 'Can\'t delete the message: Message_id is not set or not set properly';
  334. 			return false;
  335. 		}
  336. 	}
  337. }
  338. ?>
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