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['year'])) {
  26           return 'archive';
  27         } else if (isset($_GET['note'])) {
  28           return 'note';
  29         } else if ($_SERVER['REQUEST_URI'] == '/') {
  30       return 'index';
  31         } else if (isset($_GET['project'])) {
  32       return 'project';
  33         }
  34   }
  35
  36   public function query() {
  37     $args = func_get_args();
  38         $statement = $this->db->prepare($args[0]);
  39         $args = array_slice($args, 1);
  40         call_user_func_array(array($statement, 'bind_param'), &$args);
  41         $statement->execute();
  42         $return = array();
  43         $statement->store_result();
  44         $row = array();
  45         $data = $statement->result_metadata();
  46         $fields = array();
  47         $fields[0] = &$statement;
  48         while($field = $data->fetch_field()) {
  49           $fields[] = &$row[$field->name];
  50         }
  51         call_user_func_array("mysqli_stmt_bind_result", $fields);
  52         $i = 0;
  53         while ($statement->fetch()) {
  54           foreach ($row as $key1=>$value1) $return[$i][$key1] = $value1;
  55           $i++;
  56         }
  57         $statement->free_result();
  58         return $return;
  59         }
  60
  61   public function display_head($title = "dylanstestserver",
  62                                                                 $home_link = "/") {
  63     $scripts = "";
  64         $stylesheets = "<link href=\"/includes/style.css\" rel=\"stylesheet\" type=\"text/css\">";
  65         if (cms::determine_type() == "index") {
  66           $scripts = "<script type=\"text/javascript\" src=\"/includes/all.js\">";
  67           $home_link = "http://validator.w3.org/unicorn/check?ucn_uri=dylanstestserver.com&amp;ucn_task=conformance#";
  68         }
  69   echo <<<END_OF_HEAD
  70 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  71 "http://www.w3.org/TR/html4/loose.dtd">
  72
  73 <html>
  74 <head>
  75   <meta name="generator" content=
  76   "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org">
  77   <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
  78
  79   <title>$title</title>
  80   <link rel="icon" href="favicon.ico" type="image/png">
  81   $stylesheets
  82   $scripts
  83 </script>
  84 </head>
  85
  86 <body>
  87   <div id="structure">
  88     <div id="banner">
  89       <a href="$home_link">
  90       <img src="/images/dylanstestserver.png" alt="dylanstestserver"
  91       border="0"></a>
  92     </div>
  93
  94     <div id="content">
  95 END_OF_HEAD;
  96   }
  97
  98   public function display_contact() {
  99     echo <<<END_OF_CONTACT
 100       <div id="contact_me"><h1><a href=
 101       "mailto:dylan@psu.edu">dylan</a></h1><a href=
 102       "mailto:dylan@psu.edu">@psu.edu</a>
 103           </div>
 104 END_OF_CONTACT;
 105   }
 106
 107   public function display_close($show_contact = true) {
 108     if ($show_contact) {
 109           $this->display_contact();
 110         }
 111     echo <<<END_OF_CLOSE
 112     </div>
 113         <br>
 114     <br>
 115   </div>
 116 </body>
 117 </html>
 118 END_OF_CLOSE;
 119   ob_flush();
 120   }
 121
 122 }
 123
 124 class index extends cms {
 125         public function display() {
 126                 $this->display_head();
 127                 $this->display_exhibits();
 128                 echo "<ul id=\"portfolio\" style=\"text-align:right\">";
 129                 $this->list_projects();
 130                 echo <<<OTHER_PROJECTS
 131         <li>
 132           <h3>things i've done for others:</h3>
 133         </li>
 134
 135         <li><a href=
 136         "http://activehamptons.com">activehamptons.com</a></li>
 137
 138         <li><a href=
 139         "http://transfishing.com">transfishing.com</a></li>
 140
 141         <li>
 142           <h3>something i've worked on:</h3>
 143         </li>
 144
 145         <li><a href=
 146         "http://tempositions.com">tempositions.com</a></li>
 147
 148         <li>
 149           <h3>my repositories:</h3>
 150         </li>
 151
 152         <li><a href=
 153         "git">git://dylanstestserver.com</a></li>
 154
 155         <li>
 156           <h3>some notes:</h3>
 157         </li>
 158
 159         <li><a href=
 160         "/notes/">here</a></li>
 161
 162         <li>
 163         </li>
 164 OTHER_PROJECTS;
 165         // Because of the CSS necessary for the animations,
 166                 // the contact link needs to be in #portfolio to clear
 167                 // the floats.
 168             $this->display_contact();
 169       echo "</ul>";
 170                 $this->display_close($show_contact = false);
 171         }
 172
 173         protected function display_exhibits() {
 174           echo "<div id=\"exhibit\">";
 175       $sql = "SELECT text FROM projects";
 176           $result = $this->db->query($sql);
 177           while ($entry = $result->fetch_object()) {
 178             echo $entry->text;
 179           }
 180           echo "</div>";
 181         }
 182
 183         private function list_projects() {
 184           echo "<div id=\"exhibit\">";
 185           echo <<<HEREDOC
 186         <li>
 187           <h3>my projects:</h3>
 188         </li>
 189 HEREDOC;
 190       $sql = "SELECT title FROM projects";
 191           $result = $this->db->query($sql);
 192           while ($entry = $result->fetch_object()) {
 193             echo "<li><a class=\"tab\" href=\"$entry->title\">$entry->title</a></li>";
 194           }
 195         }
 196 }
 197
 198 class project extends index {
 199         protected function display_exhibits() {
 200           echo "<div id=\"exhibit\">";
 201           $sql = "SELECT text FROM projects
 202                             WHERE title = ?";
 203           $result = $this->query($sql, "s", $_GET['project']);
 204           if ($result = $result[0]['text']) {
 205             $text =  str_replace("class=\"exhibit\"", "class=\"exhibit\" style=\"display:block;\"", $result);
 206             echo $text;
 207             echo "</div>";
 208           } else {
 209             throw new notFound();
 210           }
 211         }
 212 }
 213
 214 class page extends cms {
 215   private $page = 1;
 216   private $offset = 0;
 217   private $notes_per_page = 4;
 218   private $number_of_pages = 1;
 219
 220   public function __construct() {
 221     parent::__construct();
 222         $this->page_offset();
 223   }
 224
 225   private function page_offset() {
 226         $sql = "SELECT COUNT(*) FROM notes";
 227         $result = $this->db->query($sql);
 228         $result = $result->fetch_array();
 229         $this->number_of_pages = ceil($result[0] / $this->notes_per_page);
 230         if (isset($_GET['page']) && is_numeric($_GET['page'])) {
 231           $this->page = (int) $_GET['page'];
 232         } else {
 233           throw new notFound();
 234         }
 235         if ($this->page > $this->number_of_pages) {
 236           throw new notFound();
 237         }
 238         if ($this->page < 1) {
 239           throw new notFound();
 240         }
 241         $this->offset = ($this->page - 1) * $this->notes_per_page;
 242   }
 243
 244   public function display() {
 245     $this->display_head();
 246         echo "<div id=\"notes\">";
 247     $sql = "SELECT date_posted, title, url, text
 248               FROM notes ORDER BY date_posted DESC
 249                           LIMIT ?, ?";
 250         $result = $this->query($sql, "ii",
 251                                   $this->offset,
 252                                                           $this->notes_per_page);
 253         foreach ($result as $row => $entry) {
 254           $title = $entry['title'];
 255           $url = '/note/' . $entry['url'];
 256           $date_posted =  explode("-", $entry['date_posted']);
 257           $year_posted = $date_posted[0];
 258           $month_posted = $date_posted[1];
 259           $datetime_posted = explode(' ', $date_posted[2]);
 260           $day_posted = $datetime_posted[0];
 261           echo "<div class=\"note\">";
 262       echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span><a href=\"$url\">$title</a></h2>";
 263           echo $entry['text'];
 264           echo "</div>";
 265         }
 266         echo "</div>";
 267         $this->write_navigation();
 268     $this->display_close();
 269   }
 270
 271   private function write_navigation() {
 272     echo "<div id=\"navigation\">";
 273     echo "<h2>";
 274     if($this->page > 1){
 275       $previous_page = $this->page - 1;
 276       echo "<a href=\"/notes/page/$previous_page\">prev</a>";
 277     }
 278     if($this->page < $this->number_of_pages) {
 279       $forward_page = $this->page + 1;
 280       echo " <a href=\"/notes/page/$forward_page\">next</a>";
 281     }
 282     echo "</h2>";
 283     echo "</div>";
 284   }
 285
 286 }
 287
 288 class note extends cms {
 289
 290   public function __construct() {
 291     parent::__construct();
 292         $this->check_exists();
 293   }
 294
 295   private function check_exists() {
 296     $sql = "SELECT COUNT(*) FROM notes
 297                           WHERE url = ?";
 298         $results = $this->query($sql, "s", $_GET['note']);
 299         if ($results[0]["COUNT(*)"] != 1) {
 300           throw new notFound();
 301         }
 302   }
 303
 304   public function display() {
 305         $this->display_head();
 306     $sql = "SELECT title, date_posted, text
 307                           FROM notes WHERE url = ?";
 308         $result = $this->query($sql, "s",
 309                                                           $_GET['note']);
 310         $entry = $result[0];
 311         $title = $entry["title"];
 312         $date_posted =  explode("-", $entry["date_posted"]);
 313         $year_posted = $date_posted[0];
 314         $month_posted = $date_posted[1];
 315         $datetime_posted = explode(' ', $date_posted[2]);
 316         $day_posted = $datetime_posted[0];
 317         echo "<div id=\"note\">";
 318     echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span>$title</h2>";
 319         echo $entry['text'];
 320         $this->write_navigation();
 321     $this->display_close();
 322   }
 323
 324   private function write_navigation() {
 325         echo "<br>";
 326     echo "<div id=\"navigation\">";
 327     echo "<h2>";
 328     echo "<a href=\"/notes/\">notes</a>/";
 329     echo "</h2>";
 330     echo "</div>";
 331   }
 332 }
 333
 334
 335 class archive extends cms {
 336
 337   public function __construct() {
 338     parent::__construct();
 339   }
 340
 341   private function check_exists() {
 342     $sql = "SELECT COUNT(*) FROM notes
 343                           WHERE url = ?";
 344         $results = $this->query($sql, "s", $_GET['note']);
 345         if ($results[0]["COUNT(*)"] != 1) {
 346           $this->not_found();
 347         }
 348   }
 349
 350   public function display() {
 351     // this really needs its own pagination...
 352         // there should be a class for that.
 353         $this->display_head();
 354         switch (true) {
 355           case (isset($_GET['year']) && !isset($_GET['month'])
 356                           && !isset($_GET['day'])):
 357         $sql = "SELECT title, url, date_posted, text
 358                                 FROM notes WHERE YEAR(date_posted) = ?
 359                                 ORDER BY date_posted DESC";
 360                 $result = $this->query($sql, "d",
 361                                                                 $_GET['year']);
 362             break;
 363           case (isset($_GET['year']) && isset($_GET['month'])
 364                           && !isset($_GET['day'])):
 365         $sql = "SELECT title, url, date_posted, text
 366                                 FROM notes WHERE YEAR(date_posted) = ?
 367                                 AND MONTH(date_posted) = ?
 368                                 ORDER BY date_posted DESC";
 369                 $result = $this->query($sql, "dd",
 370                                                                 $_GET['year'], $_GET['month']);
 371             break;
 372           case (isset($_GET['year']) && isset($_GET['month'])
 373                   && isset($_GET['day'])):
 374         $sql = "SELECT title, url, date_posted, text
 375                                 FROM notes WHERE YEAR(date_posted) = ?
 376                                 AND MONTH(date_posted) = ?
 377                                 AND DAY(date_posted) = ?
 378                                 ORDER BY date_posted DESC";
 379                 $result = $this->query($sql, "ddd",
 380                                                                 $_GET['year'], $_GET['month'],
 381                                                                 $_GET['day']);
 382             break;
 383         }
 384         if (count($result) >= 1) {
 385           echo "<div id=\"notes\">";
 386           foreach ($result as $row => $entry) {
 387             $title = $entry['title'];
 388             $url = '/note/' . $entry['url'];
 389             $date_posted =  explode("-", $entry['date_posted']);
 390             $year_posted = $date_posted[0];
 391             $month_posted = $date_posted[1];
 392             $datetime_posted = explode(' ', $date_posted[2]);
 393             $day_posted = $datetime_posted[0];
 394             echo "<div class=\"note\">";
 395         echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span><a href=\"$url\">$title</a></h2>";
 396             echo $entry['text'];
 397             echo "</div>";
 398           }
 399           echo "</div>";
 400           $this->write_navigation();
 401         } else {
 402           echo "<br>";
 403           echo "<h2 style=\"font-family:sans-serif;\">sorry, nothing here</h2>";
 404           echo "<pre>Empty set (0.00 sec)</pre>";
 405         }
 406     $this->display_close();
 407   }
 408
 409   private function write_navigation() {
 410         echo "<br>";
 411     echo "<div id=\"navigation\">";
 412     echo "<h2>";
 413         // fill me in!
 414     echo "</h2>";
 415     echo "</div>";
 416   }
 417 }
 418
 419
 420 class notFound extends Exception {
 421         public function __construct() {
 422       header("HTTP/1.0 404 Not Found");
 423           ob_end_clean();
 424           include("404.php");
 425           exit();
 426         }
 427 }
 428
 429 ## now actually do something:
 430 switch (cms::determine_type()) {
 431   case "index":
 432     $index = new index();
 433         $index->display();
 434         break;
 435   case "project":
 436     $project = new project();
 437         $project->display();
 438         break;
 439   case "note":
 440     $note = new note;
 441         $note->display();
 442         break;
 443   case "page":
 444     $page = new page;
 445         $page->display();
 446         break;
 447   case "archive":
 448     $archive = new archive;
 449         $archive->display();
 450         break;
 451 }
 452
 453 ?>