Initial work on tags

inc/tags.php

@@ -0,0 +1,37 @@
+<?PHP
+
+function showTags($quote) {
+
+ echo '<p class="tags">';
+
+ $sql = 'SELECT tag_text, COUNT(*) FROM tags WHERE quote_id = ' . $quote . ' GROUP BY tag_text';
+ $res = mysql_query($sql);
+
+ if (mysql_num_rows($res) == 0) {
+  echo 'This quote has not been tagged yet';
+ }
+
+ while ($row = mysql_fetch_assoc($res)) {
+  echo '  <a href="', BASE, 'tag?tag=', htmlentities($row['tag_text'], ENT_QUOTES, 'UTF-8'), '">';
+  echo htmlentities($row['tag_text'], ENT_QUOTES, 'UTF-8'), '</a>';
+ }
+
+ echo '</p>';
+
+}
+
+function addAutoTags($id) {
+
+ $sql = 'SELECT quote_quote FROM quotes WHERE quote_id = ' . $id;
+ $res = mysql_query($sql);
+ $text = mysql_result($res, 0);
+
+ preg_match_all('/^(?:\[.*?\]|.*?\\|)?\s*<(?:[@+])?([^\s]*?)>/m', $text, $matches);
+
+ foreach ($matches[1] as $user) {
+  mysql_query('INSERT INTO tags (quote_id, tag_text, user_id) VALUES (' . $id . ', \'@' . m($user) . '\', 0)');
+ }
+
+}
+
+?>

latest.php

@@ -1,6 +1,7 @@
 <?PHP
 
  require_once('inc/database.php');
+ require_once('inc/tags.php');
 
  define('TITLE', 'Latest');
 
@@ -36,6 +37,7 @@
 
 ?>
   </p>
+<?PHP showTags($row['quote_id']); ?>
   <div class="quotebody">
    <?PHP echo nl2br(htmlentities($row['quote_quote'], ENT_QUOTES, 'UTF-8')); ?>
   </div>

res/style.css

@@ -111,3 +111,9 @@ div.nav {
  padding-left: 10px;
  padding-bottom: 20px; 
 }
+
+p.tags {
+ padding-left: 20px;
+ font-size: small;
+ background: url('tag.png') no-repeat left center;
+}

submit.php

@@ -3,6 +3,7 @@
  require_once('inc/account.php');
  require_once('inc/database.php');
  require_once('inc/settings.php');
+ require_once('inc/tags.php');
 
  if (!isset($_SESSION['uid'])) {
   header('Location: '.BASE);
@@ -15,6 +16,9 @@
   }
   $sql = 'INSERT INTO quotes (quote_quote, quote_time, user_id) VALUES (\''.m($_POST['quote']).'\', '.time().', '.$_SESSION['uid'].')';
   mysql_query($sql);
+
+  doAutoTags(mysql_insert_id());
+
   header('Location: '.BASE.'latest');
   exit;
  }

tag.php

@@ -0,0 +1,103 @@
+<?PHP
+
+ require_once('inc/database.php');
+
+ if (isset($_GET['tag'])) {
+  define('TAG', $_GET['tag']);
+ } else {
+  header('Location: ' . BASE . 'latest');
+  exit;
+ }
+
+ define('TITLE', 'Browse quotes tagged ' . htmlentities(TAG, ENT_QUOTES, 'UTF-8'));
+
+ require_once('inc/header.php');
+ require_once('inc/tags.php');
+
+ $offset = 0;
+ if (isset($_GET['o']) && ctype_digit($_GET['o'])) {
+  $offset = $_GET['o'];
+ }
+
+ $quotes = array();
+ $sql = 'SELECT DISTINCT(quote_id) FROM tags WHERE tag_text = \'' . m(TAG) . '\'';
+ $res = mysql_query($sql);
+ while ($row = mysql_fetch_assoc($res)) {
+  $quotes[] = $row['quote_id']; 
+ }
+
+ $where = 'WHERE quote_id IN (' . implode(', ', $quotes) . ')';
+
+ $sql = 'SELECT COUNT(*) FROM quotes ' . $where;
+ $res = mysql_query($sql);
+ $row = mysql_fetch_array($res);
+ define('QUOTES', $row[0]);
+
+ $sql = 'SELECT quote_id, quote_quote, quote_rating FROM quotes ' . $where . ' ORDER BY quote_id LIMIT '.$offset.',25';
+ $res = mysql_query($sql)
+
+?>
+<div>
+ <h2>Browse quotes tagged <?PHP echo htmlentities(TAG, ENT_QUOTES, 'UTF-8'); ?></h2>
+<?PHP
+
+ echo '<div class="nav">';
+ if ($offset > 0) {
+  echo '<a href="browse?o='.($offset-25).'">&lt;&lt; Previous</a> |';
+ }
+ if ($offset + 25 > QUOTES) { $max = QUOTES; } else { $max = $offset + 25; }
+ echo ' Viewing quotes '.(1+$offset).' to '.$max.' of '.QUOTES.'.';
+ if ($max < QUOTES) {
+  echo ' | <a href="browse?o='.$max.'">Next &gt;&gt;</a>';
+ }
+ echo '</div>';
+
+
+ $i = 0;
+ while ($row = mysql_fetch_array($res)) {
+  $i = 1 - $i;
+  if ($i == 1) { $e = 'even'; } else { $e = 'odd'; }
+?>
+ <div class="quote <?PHP echo $e; ?>">
+<?PHP
+ if (isset($_SESSION['uid'])) {
+  doRate($row['quote_id']);
+ }
+?>
+  <p>
+   Quote <a href="<?PHP echo BASE; ?>browse?q=<?PHP echo $row['quote_id']; ?>">#<?PHP echo $row['quote_id']; ?></a>. 
+   Rating <?PHP echo round($row['quote_rating'],2); ?>.
+<?PHP
+
+ if (!isset($_SESSION['uid'])) {
+  echo ' <a href="'.BASE.'login">Login to rate</a>.';
+ }
+
+?>
+  </p>
+<?PHP showTags($row['quote_id']); ?>
+  <div class="quotebody">
+   <?PHP echo nl2br(htmlentities($row['quote_quote'], ENT_QUOTES, 'UTF-8')); ?>
+  </div>
+ </div>
+<?PHP
+ }
+
+ echo '<div class="nav">';
+ if ($offset > 0) {
+  echo '<a href="browse?o='.($offset-25).'">&lt;&lt; Previous</a> |';
+ }
+ if ($offset + 25 > QUOTES) { $max = QUOTES; } else { $max = $offset + 25; }
+ echo ' Viewing quotes '.(1+$offset).' to '.$max.' of '.QUOTES.'.';
+ if ($max < QUOTES) {
+  echo ' | <a href="browse?o='.$max.'">Next &gt;&gt;</a>';
+ }
+ echo '</div>';
+
+?>
+</div>
+<?PHP
+
+ require_once('inc/footer.php');
+
+?>