index.php

   1 <?php
   2
   3 abstract class cms {
   4   private $config_file = '/etc/dylanstestserver.ini';
   5   protected $db;
   6
   7   public function __construct() {
   8     $config = parse_ini_file($this->config_file);
   9     $this->db = new mysqli(
  10           $config['domain'],
  11           $config['user'],
  12           $config['password'],
  13       $config['database']);
  14         if (mysqli_connect_errno()) {
  15           echo "Problem connecting to database: ";
  16           echo mysqli_connect_error();
  17           exit();
  18         }
  19         ob_start();
  20   }
  21
  22   public static function determine_type() {
  23     if (isset($_GET['page']) && is_numeric($_GET['page'])) {
  24           return 'page';
  25         } else if (isset($_GET['note'])) {
  26           return 'note';
  27         } else if ($_SERVER['REQUEST_URI'] == '/') {
  28       return 'index';
  29         } else if (isset($_GET['project'])) {
  30       return 'project';
  31         }
  32   }
  33
  34   public function query() {
  35     $args = func_get_args();
  36         $statement = $this->db->prepare($args[0]);
  37         $args = array_slice($args, 1);
  38         call_user_func_array(array($statement, 'bind_param'), &$args);
  39         $statement->execute();
  40         $return = array();
  41         $statement->store_result();
  42         $row = array();
  43         $data = $statement->result_metadata();
  44         $fields = array();
  45         $fields[0] = &$statement;
  46         while($field = $data->fetch_field()) {
  47           $fields[] = &$row[$field->name];
  48         }
  49         call_user_func_array("mysqli_stmt_bind_result", $fields);
  50         $i = 0;
  51         while ($statement->fetch()) {
  52           foreach ($row as $key1=>$value1) $return[$i][$key1] = $value1;
  53           $i++;
  54         }
  55         $statement->free_result();
  56         return $return;
  57         }
  58
  59   public function display_head($title = "dylanstestserver",
  60                                                                 $home_link = "/") {
  61     $scripts = "";
  62         $stylesheets = "<link href=\"/includes/style.css\" rel=\"stylesheet\" type=\"text/css\">";
  63         if (cms::determine_type() == "index") {
  64           $scripts = "<script type=\"text/javascript\" src=\"/includes/all.js\">";
  65           $home_link = "http://validator.w3.org/unicorn/check?ucn_uri=dylanstestserver.com&amp;ucn_task=conformance#";
  66         }
  67   echo <<<END_OF_HEAD
  68 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  69 "http://www.w3.org/TR/html4/loose.dtd">
  70
  71 <html>
  72 <head>
  73   <meta name="generator" content=
  74   "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org">
  75   <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
  76
  77   <title>$title</title>
  78   <link rel="icon" href="favicon.ico" type="image/png">
  79   $stylesheets
  80   $scripts
  81 </script>
  82 </head>
  83
  84 <body>
  85   <div id="structure">
  86     <div id="banner">
  87       <a href="$home_link">
  88       <img src="/images/dylanstestserver.png" alt="dylanstestserver"
  89       border="0"></a>
  90     </div>
  91
  92     <div id="content">
  93 END_OF_HEAD;
  94   }
  95
  96   public function display_close(){
  97     echo <<<END_OF_CLOSE
  98       <div id="contact_me"><h1><a href=
  99       "mailto:dylan@psu.edu">dylan</a></h1><a href=
 100       "mailto:dylan@psu.edu">@psu.edu</a>
 101           </div>
 102     </div>
 103         <br>
 104     <br>
 105   </div>
 106 </body>
 107 </html>
 108 END_OF_CLOSE;
 109   ob_flush();
 110   }
 111
 112 }
 113
 114 class index extends cms {
 115         public function display() {
 116                 $this->display_head();
 117                 $this->display_exhibits();
 118                 echo "<ul id=\"portfolio\" style=\"text-align:right\">";
 119                 $this->list_projects();
 120                 echo <<<OTHER_PROJECTS
 121         <li>
 122           <h3>things i've done for others:</h3>
 123         </li>
 124
 125         <li><a href=
 126         "http://activehamptons.com">activehamptons.com</a></li>
 127
 128         <li><a href=
 129         "http://transfishing.com">transfishing.com</a></li>
 130
 131         <li>
 132           <h3>something i've worked on:</h3>
 133         </li>
 134
 135         <li><a href=
 136         "http://tempositions.com">tempositions.com</a></li>
 137
 138         <li>
 139           <h3>my repositories:</h3>
 140         </li>
 141
 142         <li><a href=
 143         "git">git://dylanstestserver.com</a></li>
 144
 145         <li>
 146           <h3>some notes:</h3>
 147         </li>
 148
 149         <li><a href=
 150         "/notes/">here</a></li>
 151
 152         <li>
 153         </li>
 154       </ul>
 155 OTHER_PROJECTS;
 156                 $this->display_close();
 157         }
 158
 159         protected function display_exhibits() {
 160           echo "<div id=\"exhibit\">";
 161       $sql = "SELECT text FROM projects";
 162           $result = $this->db->query($sql);
 163           while ($entry = $result->fetch_object()) {
 164             echo $entry->text;
 165           }
 166           echo "</div>";
 167         }
 168
 169         private function list_projects() {
 170           echo "<div id=\"exhibit\">";
 171           echo <<<HEREDOC
 172         <li>
 173           <h3>my projects:</h3>
 174         </li>
 175 HEREDOC;
 176       $sql = "SELECT title FROM projects";
 177           $result = $this->db->query($sql);
 178           while ($entry = $result->fetch_object()) {
 179             echo "<li><a class=\"tab\" href=\"$entry->title\">$entry->title</a></li>";
 180           }
 181         }
 182 }
 183
 184 class project extends index {
 185         protected function display_exhibits() {
 186           echo "<div id=\"exhibit\">";
 187           $sql = "SELECT text FROM projects
 188                             WHERE title = ?";
 189           $result = $this->query($sql, "s", $_GET['project']);
 190           if ($result = $result[0]['text']) {
 191             $text =  str_replace("class=\"exhibit\"", "class=\"exhibit\" style=\"display:block;\"", $result);
 192             echo $text;
 193             echo "</div>";
 194           } else {
 195             throw new notFound();
 196           }
 197         }
 198 }
 199
 200 class page extends cms {
 201   private $page = 1;
 202   private $offset = 0;
 203   private $notes_per_page = 4;
 204   private $number_of_pages = 1;
 205
 206   public function __construct() {
 207     parent::__construct();
 208         $this->page_offset();
 209   }
 210
 211   private function page_offset() {
 212         $sql = "SELECT COUNT(*) FROM notes";
 213         $result = $this->db->query($sql);
 214         $result = $result->fetch_array();
 215         $this->number_of_pages = ceil($result[0] / $this->notes_per_page);
 216         if (isset($_GET['page']) && is_numeric($_GET['page'])) {
 217           $this->page = (int) $_GET['page'];
 218         } else {
 219           throw new notFound();
 220         }
 221         if ($this->page > $this->number_of_pages) {
 222           throw new notFound();
 223         }
 224         if ($this->page < 1) {
 225           throw new notFound();
 226         }
 227         $this->offset = ($this->page - 1) * $this->notes_per_page;
 228   }
 229
 230   public function display() {
 231     $this->display_head();
 232         echo "<div id=\"notes\">";
 233     $sql = "SELECT date_posted, title, url, text
 234               FROM notes ORDER BY date_posted DESC
 235                           LIMIT ?, ?";
 236         $result = $this->query($sql, "ii",
 237                                   $this->offset,
 238                                                           $this->notes_per_page);
 239         foreach ($result as $row => $entry) {
 240           $title = $entry['title'];
 241           $url = '/note/' . $entry['url'];
 242           $date_posted =  explode("-", $entry['date_posted']);
 243           $year_posted = $date_posted[0];
 244           $month_posted = $date_posted[1];
 245           $datetime_posted = explode(' ', $date_posted[2]);
 246           $day_posted = $datetime_posted[0];
 247           echo "<div class=\"note\">";
 248       echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span><a href=\"$url\">$title</a></h2>";
 249           echo $entry['text'];
 250           echo "</div>";
 251         }
 252         echo "</div>";
 253         $this->write_navigation();
 254     $this->display_close();
 255   }
 256
 257   private function write_navigation() {
 258     echo "<div id=\"navigation\">";
 259     echo "<h2>";
 260     if($this->page > 1){
 261       $previous_page = $this->page - 1;
 262       echo "<a href=\"/notes/page/$previous_page\">prev</a>";
 263     }
 264     if($this->page < $this->number_of_pages) {
 265       $forward_page = $this->page + 1;
 266       echo " <a href=\"/notes/page/$forward_page\">next</a>";
 267     }
 268     echo "</h2>";
 269     echo "</div>";
 270   }
 271
 272 }
 273
 274 class note extends cms {
 275
 276   public function __construct() {
 277     parent::__construct();
 278         $this->check_exists();
 279   }
 280
 281   private function check_exists() {
 282     $sql = "SELECT COUNT(*) FROM notes
 283                           WHERE url = ?";
 284         $results = $this->query($sql, "s", $_GET['note']);
 285         if ($results[0]["COUNT(*)"] != 1) {
 286           throw new notFound();
 287         }
 288   }
 289
 290   public function display() {
 291         $this->display_head();
 292     $sql = "SELECT title, date_posted, text
 293                           FROM notes WHERE url = ?";
 294         $result = $this->query($sql, "s",
 295                                                           $_GET['note']);
 296         $entry = $result[0];
 297         $title = $entry["title"];
 298         $date_posted =  explode("-", $entry["date_posted"]);
 299         $year_posted = $date_posted[0];
 300         $month_posted = $date_posted[1];
 301         $datetime_posted = explode(' ', $date_posted[2]);
 302         $day_posted = $datetime_posted[0];
 303         echo "<div id=\"note\">";
 304     echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span>$title</h2>";
 305         echo $entry['text'];
 306         $this->write_navigation();
 307     $this->display_close();
 308   }
 309
 310   private function write_navigation() {
 311         echo "<br>";
 312     echo "<div id=\"navigation\">";
 313     echo "<h2>";
 314     echo "<a href=\"/notes/\">notes</a>/";
 315     echo "</h2>";
 316     echo "</div>";
 317   }
 318 }
 319
 320 class notFound extends Exception {
 321         public function __construct() {
 322       header("HTTP/1.0 404 Not Found");
 323           ob_end_clean();
 324           include("404.php");
 325           exit();
 326         }
 327 }
 328
 329 ## now actually do something:
 330 switch (cms::determine_type()) {
 331   case "index":
 332     $index = new index();
 333         $index->display();
 334         break;
 335   case "project":
 336     $project = new project();
 337         $project->display();
 338         break;
 339   case "note":
 340     $note = new note;
 341         $note->display();
 342         break;
 343   case "page":
 344     $page = new page;
 345         $page->display();
 346         break;
 347 }
 348
 349 ?>