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