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_contact() {
  97     echo <<<END_OF_CONTACT
  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 END_OF_CONTACT;
 103   }
 104
 105   public function display_close($show_contact = true) {
 106     if ($show_contact) {
 107           $this->display_contact();
 108         }
 109     echo <<<END_OF_CLOSE
 110     </div>
 111         <br>
 112     <br>
 113   </div>
 114 </body>
 115 </html>
 116 END_OF_CLOSE;
 117   ob_flush();
 118   }
 119
 120 }
 121
 122 class index extends cms {
 123         public function display() {
 124                 $this->display_head();
 125                 $this->display_exhibits();
 126                 echo "<ul id=\"portfolio\" style=\"text-align:right\">";
 127                 $this->list_projects();
 128                 echo <<<OTHER_PROJECTS
 129         <li>
 130           <h3>things i've done for others:</h3>
 131         </li>
 132
 133         <li><a href=
 134         "http://activehamptons.com">activehamptons.com</a></li>
 135
 136         <li><a href=
 137         "http://transfishing.com">transfishing.com</a></li>
 138
 139         <li>
 140           <h3>something i've worked on:</h3>
 141         </li>
 142
 143         <li><a href=
 144         "http://tempositions.com">tempositions.com</a></li>
 145
 146         <li>
 147           <h3>my repositories:</h3>
 148         </li>
 149
 150         <li><a href=
 151         "git">git://dylanstestserver.com</a></li>
 152
 153         <li>
 154           <h3>some notes:</h3>
 155         </li>
 156
 157         <li><a href=
 158         "/notes/">here</a></li>
 159
 160         <li>
 161         </li>
 162 OTHER_PROJECTS;
 163         // Because of the CSS necessary for the animations,
 164                 // the contact link needs to be in #portfolio to clear
 165                 // the floats.
 166             $this->display_contact();
 167       echo "</ul>";
 168                 $this->display_close($show_contact = false);
 169         }
 170
 171         protected function display_exhibits() {
 172           echo "<div id=\"exhibit\">";
 173       $sql = "SELECT text FROM projects";
 174           $result = $this->db->query($sql);
 175           while ($entry = $result->fetch_object()) {
 176             echo $entry->text;
 177           }
 178           echo "</div>";
 179         }
 180
 181         private function list_projects() {
 182           echo "<div id=\"exhibit\">";
 183           echo <<<HEREDOC
 184         <li>
 185           <h3>my projects:</h3>
 186         </li>
 187 HEREDOC;
 188       $sql = "SELECT title FROM projects";
 189           $result = $this->db->query($sql);
 190           while ($entry = $result->fetch_object()) {
 191             echo "<li><a class=\"tab\" href=\"$entry->title\">$entry->title</a></li>";
 192           }
 193         }
 194 }
 195
 196 class project extends index {
 197         protected function display_exhibits() {
 198           echo "<div id=\"exhibit\">";
 199           $sql = "SELECT text FROM projects
 200                             WHERE title = ?";
 201           $result = $this->query($sql, "s", $_GET['project']);
 202           if ($result = $result[0]['text']) {
 203             $text =  str_replace("class=\"exhibit\"", "class=\"exhibit\" style=\"display:block;\"", $result);
 204             echo $text;
 205             echo "</div>";
 206           } else {
 207             throw new notFound();
 208           }
 209         }
 210 }
 211
 212 class page extends cms {
 213   private $page = 1;
 214   private $offset = 0;
 215   private $notes_per_page = 4;
 216   private $number_of_pages = 1;
 217
 218   public function __construct() {
 219     parent::__construct();
 220         $this->page_offset();
 221   }
 222
 223   private function page_offset() {
 224         $sql = "SELECT COUNT(*) FROM notes";
 225         $result = $this->db->query($sql);
 226         $result = $result->fetch_array();
 227         $this->number_of_pages = ceil($result[0] / $this->notes_per_page);
 228         if (isset($_GET['page']) && is_numeric($_GET['page'])) {
 229           $this->page = (int) $_GET['page'];
 230         } else {
 231           throw new notFound();
 232         }
 233         if ($this->page > $this->number_of_pages) {
 234           throw new notFound();
 235         }
 236         if ($this->page < 1) {
 237           throw new notFound();
 238         }
 239         $this->offset = ($this->page - 1) * $this->notes_per_page;
 240   }
 241
 242   public function display() {
 243     $this->display_head();
 244         echo "<div id=\"notes\">";
 245     $sql = "SELECT date_posted, title, url, text
 246               FROM notes ORDER BY date_posted DESC
 247                           LIMIT ?, ?";
 248         $result = $this->query($sql, "ii",
 249                                   $this->offset,
 250                                                           $this->notes_per_page);
 251         foreach ($result as $row => $entry) {
 252           $title = $entry['title'];
 253           $url = '/note/' . $entry['url'];
 254           $date_posted =  explode("-", $entry['date_posted']);
 255           $year_posted = $date_posted[0];
 256           $month_posted = $date_posted[1];
 257           $datetime_posted = explode(' ', $date_posted[2]);
 258           $day_posted = $datetime_posted[0];
 259           echo "<div class=\"note\">";
 260       echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span><a href=\"$url\">$title</a></h2>";
 261           echo $entry['text'];
 262           echo "</div>";
 263         }
 264         echo "</div>";
 265         $this->write_navigation();
 266     $this->display_close();
 267   }
 268
 269   private function write_navigation() {
 270     echo "<div id=\"navigation\">";
 271     echo "<h2>";
 272     if($this->page > 1){
 273       $previous_page = $this->page - 1;
 274       echo "<a href=\"/notes/page/$previous_page\">prev</a>";
 275     }
 276     if($this->page < $this->number_of_pages) {
 277       $forward_page = $this->page + 1;
 278       echo " <a href=\"/notes/page/$forward_page\">next</a>";
 279     }
 280     echo "</h2>";
 281     echo "</div>";
 282   }
 283
 284 }
 285
 286 class note extends cms {
 287
 288   public function __construct() {
 289     parent::__construct();
 290         $this->check_exists();
 291   }
 292
 293   private function check_exists() {
 294     $sql = "SELECT COUNT(*) FROM notes
 295                           WHERE url = ?";
 296         $results = $this->query($sql, "s", $_GET['note']);
 297         if ($results[0]["COUNT(*)"] != 1) {
 298           throw new notFound();
 299         }
 300   }
 301
 302   public function display() {
 303         $this->display_head();
 304     $sql = "SELECT title, date_posted, text
 305                           FROM notes WHERE url = ?";
 306         $result = $this->query($sql, "s",
 307                                                           $_GET['note']);
 308         $entry = $result[0];
 309         $title = $entry["title"];
 310         $date_posted =  explode("-", $entry["date_posted"]);
 311         $year_posted = $date_posted[0];
 312         $month_posted = $date_posted[1];
 313         $datetime_posted = explode(' ', $date_posted[2]);
 314         $day_posted = $datetime_posted[0];
 315         echo "<div id=\"note\">";
 316     echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span>$title</h2>";
 317         echo $entry['text'];
 318         $this->write_navigation();
 319     $this->display_close();
 320   }
 321
 322   private function write_navigation() {
 323         echo "<br>";
 324     echo "<div id=\"navigation\">";
 325     echo "<h2>";
 326     echo "<a href=\"/notes/\">notes</a>/";
 327     echo "</h2>";
 328     echo "</div>";
 329   }
 330 }
 331
 332 class notFound extends Exception {
 333         public function __construct() {
 334       header("HTTP/1.0 404 Not Found");
 335           ob_end_clean();
 336           include("404.php");
 337           exit();
 338         }
 339 }
 340
 341 ## now actually do something:
 342 switch (cms::determine_type()) {
 343   case "index":
 344     $index = new index();
 345         $index->display();
 346         break;
 347   case "project":
 348     $project = new project();
 349         $project->display();
 350         break;
 351   case "note":
 352     $note = new note;
 353         $note->display();
 354         break;
 355   case "page":
 356     $page = new page;
 357         $page->display();
 358         break;
 359 }
 360
 361 ?>