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<?php
// $Id$
function textbook_companion_download_example_file()
{
$example_file_id = arg(2);
$root_path = textbook_companion_path();
$example_files_q = db_query("SELECT * FROM {textbook_companion_example_files} WHERE id = %d LIMIT 1", $example_file_id);
$example_file_data = db_fetch_object($example_files_q);
header('Content-Type: ' . $example_file_data->filemime);
header('Content-disposition: attachment; filename="' . $example_file_data->filename . '"');
header('Content-Length: ' . filesize($root_path . $example_file_data->filepath));
readfile($root_path . $example_file_data->filepath);
}
function textbook_companion_download_dependency_file()
{
$dependency_file_id = arg(2);
$root_path = textbook_companion_path();
$dependency_file_q = db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = %d LIMIT 1", $dependency_file_id);
$dependency_file_data = db_fetch_object($dependency_file_q);
header('Content-Type: ' . $dependency_file_data->filemime);
header('Content-disposition: attachment; filename="' . $dependency_file_data->filename . '"');
header('Content-Length: ' . filesize($root_path . $dependency_file_data->filepath));
ob_clean();
readfile($root_path . $dependency_file_data->filepath);
exit;
}
function textbook_companion_download_example()
{
$example_id = arg(2);
$root_path = textbook_companion_path();
/* get example data */
$example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE id = %d", $example_id);
$example_data = db_fetch_object($example_q);
$chapter_q = db_query("SELECT * FROM {textbook_companion_chapter} WHERE id = %d", $example_data->chapter_id);
$chapter_data = db_fetch_object($chapter_q);
$example_files_q = db_query("SELECT * FROM {textbook_companion_example_files} WHERE example_id = %d", $example_id);
$example_dependency_files_q = db_query("SELECT * FROM {textbook_companion_example_dependency} WHERE example_id = %d", $example_id);
$EX_PATH = 'EX' . $example_data->number . '/';
/* zip filename */
$zip_filename = $root_path . 'zip-' . time() . '-' . rand(0, 999999) . '.zip';
/* creating zip archive on the server */
$zip = new ZipArchive;
$zip->open($zip_filename, ZipArchive::CREATE);
while ($example_files_row = db_fetch_object($example_files_q))
{
$zip->addFile($root_path . $example_files_row->filepath, $EX_PATH . $example_files_row->filename);
}
/* dependency files */
while ($example_dependency_files_row = db_fetch_object($example_dependency_files_q))
{
$dependency_file_data = db_fetch_object(db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = %d LIMIT 1", $example_dependency_files_row->dependency_id));
if ($dependency_file_data)
$zip->addFile($root_path . $dependency_file_data->filepath, $EX_PATH . 'DEPENDENCIES/' . $dependency_file_data->filename);
}
$zip_file_count = $zip->numFiles;
$zip->close();
if ($zip_file_count > 0)
{
/* download zip file */
header('Content-Type: application/zip');
header('Content-disposition: attachment; filename="EX' . $example_data->number . '.zip"');
header('Content-Length: ' . filesize($zip_filename));
readfile($zip_filename);
unlink($zip_filename);
} else {
drupal_set_message("There are no files in this examples to download", 'error');
drupal_goto('textbook_run');
}
}
function textbook_companion_download_chapter()
{
$chapter_id = arg(2);
$root_path = textbook_companion_path();
/* get example data */
$chapter_q = db_query("SELECT * FROM {textbook_companion_chapter} WHERE id = %d", $chapter_id);
$chapter_data = db_fetch_object($chapter_q);
$CH_PATH = 'CH' . $chapter_data->number . '/';
/* zip filename */
$zip_filename = $root_path . 'zip-' . time() . '-' . rand(0, 999999) . '.zip';
/* creating zip archive on the server */
$zip = new ZipArchive;
$zip->open($zip_filename, ZipArchive::CREATE);
$example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE chapter_id = %d AND approval_status = 1", $chapter_id);
while ($example_row = db_fetch_object($example_q))
{
$EX_PATH = 'EX' . $example_row->number . '/';
$example_files_q = db_query("SELECT * FROM {textbook_companion_example_files} WHERE example_id = %d", $example_row->id);
$example_dependency_files_q = db_query("SELECT * FROM {textbook_companion_example_dependency} WHERE example_id = %d", $example_row->id);
while ($example_files_row = db_fetch_object($example_files_q))
{
$zip->addFile($root_path . $example_files_row->filepath, $CH_PATH . $EX_PATH . $example_files_row->filename);
}
/* dependency files */
while ($example_dependency_files_row = db_fetch_object($example_dependency_files_q))
{
$dependency_file_data = db_fetch_object(db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = %d LIMIT 1", $example_dependency_files_row->dependency_id));
if ($dependency_file_data)
$zip->addFile($root_path . $dependency_file_data->filepath, $CH_PATH . $EX_PATH . 'DEPENDENCIES/' . $dependency_file_data->filename);
}
}
$zip_file_count = $zip->numFiles;
$zip->close();
if ($zip_file_count > 0)
{
/* download zip file */
header('Content-Type: application/zip');
header('Content-disposition: attachment; filename="CH' . $chapter_data->number . '.zip"');
header('Content-Length: ' . filesize($zip_filename));
readfile($zip_filename);
unlink($zip_filename);
} else {
drupal_set_message("There are no examples in this chapter to download", 'error');
drupal_goto('textbook_run');
}
}
function textbook_companion_download_book()
{
$book_id = arg(2);
$root_path = textbook_companion_path();
/* get example data */
$book_q = db_query("SELECT * FROM {textbook_companion_preference} WHERE id = %d", $book_id);
$book_data = db_fetch_object($book_q);
$zipname = str_replace(' ','_',($book_data->book));
$BK_PATH = $zipname . '/';
/* zip filename */
$zip_filename = $root_path . 'zip-' . time() . '-' . rand(0, 999999) . '.zip';
/* creating zip archive on the server */
$zip = new ZipArchive;
$zip->open($zip_filename, ZipArchive::CREATE);
$chapter_q = db_query("SELECT * FROM {textbook_companion_chapter} WHERE preference_id = %d", $book_id);
while ($chapter_row = db_fetch_object($chapter_q))
{
$CH_PATH = 'CH' . $chapter_row->number . '/';
$example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE chapter_id = %d AND approval_status = 1", $chapter_row->id);
while ($example_row = db_fetch_object($example_q))
{
$EX_PATH = 'EX' . $example_row->number . '/';
$example_files_q = db_query("SELECT * FROM {textbook_companion_example_files} WHERE example_id = %d", $example_row->id);
$example_dependency_files_q = db_query("SELECT * FROM {textbook_companion_example_dependency} WHERE example_id = %d", $example_row->id);
while ($example_files_row = db_fetch_object($example_files_q))
{
$zip->addFile($root_path . $example_files_row->filepath, $BK_PATH . $CH_PATH . $EX_PATH . $example_files_row->filename);
}
/* dependency files */
while ($example_dependency_files_row = db_fetch_object($example_dependency_files_q))
{
$dependency_file_data = db_fetch_object(db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = %d LIMIT 1", $example_dependency_files_row->dependency_id));
if ($dependency_file_data)
$zip->addFile($root_path . $dependency_file_data->filepath, $BK_PATH . $CH_PATH . $EX_PATH . 'DEPENDENCIES/' . $dependency_file_data->filename);
}
$query = "SELECT * FROM textbook_companion_dependency_files WHERE preference_id = %d";
$result = db_query($query, $book_id);
while($row = db_fetch_object($result)) {
$zip->addFile($root_path . $row->filepath, $BK_PATH . 'DEPENDENCIES/' . $row->filename);
}
}
}
$zip_file_count = $zip->numFiles;
$zip->close();
if ($zip_file_count > 0)
{
/* download zip file */
global $user;
if($user->uid){
header('Content-Type: application/zip');
header('Content-disposition: attachment; filename="' . str_replace(' ','_',($book_data->book)) . '.zip"');
header('Content-Length: ' . filesize($zip_filename));
ob_clean();
readfile($zip_filename);
unlink($zip_filename);
}else{
header('Content-Type: application/zip');
header('Content-disposition: attachment; filename="' . str_replace(' ','_',($book_data->book)) . '.zip"');
header('Content-Length: ' . filesize($zip_filename));
header("Content-Transfer-Encoding: binary");
header('Expires: 0');
header('Pragma: no-cache');
ob_end_flush();
ob_clean();
flush();
readfile($zip_filename);
unlink($zip_filename);
}
} else {
drupal_set_message("There are no examples in this book to download", 'error');
drupal_goto('textbook_run');
}
}
|
