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