<?php
include_once('etc/vars.php');

// ******************************************************************
// AUTHOR BLOCKS
// Blocks Available:
//  - blockGetAuthorList
//    (Prints list of all authors.)
//  - blockGetAuthorDetails
//    (Prints full name of author from DB.)
// ******************************************************************


// **** blockGetAuthorList Function ****
// Input: RowStart
// Output: To screen
// Description: Prints list of all authors into a table.
function blockGetAuthorList($rowStart)
{
  global $displayLimit;
  // Get author list and display it, starting at the passed in number, and displaying
  // a set number of items (plus to be able to check if there's extra beyond the displayed).
  $authorList = getAuthorList($rowStart, $displayLimit + 1);


  if (!$authorList == '')  // Display list if authors are found in DB.
  {
    print '<h2>Author Listing</h2>';
    print '<table width="100%" cellpadding="3" class="titletable">';                              // <table>
    print '<tr><th width="450">Author</th><th width="50">Books</th></tr>';
    $displayItems = 1;
    $evenRow = false;

    // Loop until total number of items are displayed.
    while ($displayItems <= $displayLimit)
    {

      // If there is another book in the table, display it.
      if ($author = dbGetRow($authorList))
      {
        if ($evenRow == false)
                print '<tr class="darkrow">';
        else
                print '<tr class="lightrow">';

        // Print author info.                                                                       // <tr>
        print '<td><a href="author.php?a=' . $author[0] . '">' .
         $author[2] . ' ' . $author[1] . ' ' . $author[3] . '</a></td>';                    // <td></td>
        print '<td align="center">';                                                   // <td>
        // Total all books for an author.
        $books = getBookCount($author[0]);
        if ($bookCount = dbGetRow($books))
          {
            print $bookCount[0];
          }
        print '</td></tr>';                                                                 // </td></tr>
      }

      // Increment number of items displayed.
      $displayItems++;
      
      if ($evenRow == false)
                $evenRow = true;
      else
                $evenRow = false;
    }
    print '</table>';                                                                       // </table>

    blockPageNavigation('a', $rowStart, NULL, NULL);

  }
  else  // Print error when author lookup returns no results.
  {
    print 'No authors found.  Either there is a database problem, or this is a brand new installation that is working, but is simply empty!';
  }
}


// **** blockGetAuthorDetails Function ****
// Input: Author ID
// Output: To screen
// Description: Prints details of the author (first name, last name, and 'extension').
function blockGetAuthorDetails($author_id)
{
  $authors = getAuthor($author_id);
  if ($author = dbGetRow($authors))
  {
    print '<h2>' . $author[2] . ' ' . $author[1] . ' ' . $author[3] . '</h2>';
  }
}
?>