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<?php
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function comment_upload_comment($op, $comment) {
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static $file;
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$cid = is_object($comment) ? $comment->cid : $comment['cid'];
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switch ($op) {
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case 'form post':
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return form_file(t('Attachment'), 'file', 50, $file || ($cid && _comment_upload_load_file($cid)) ? t('You already have a file uploaded, if you upload another it\'ll overwrite the current one.') :'');
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break;
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case 'form param';
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return array('enctype' => 'multipart/form-data');
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case 'validate':
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if ($file = file_check_upload('file')) {
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$file = file_save_upload('file');
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}
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break;
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case 'insert':
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if ($file) {
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file_save_upload($file, $file->filename);
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$fid = db_next_id('{files}_fid');
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db_query("INSERT INTO {files} (fid, nid, filename, filepath, filemime, filesize) VALUES (%d, %d, '%s', '%s', '%s', %d)", $fid, 0, $file->filename, $file->filename, $file->filemime, $file->filesize);
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db_query("INSERT INTO {comment_files} (cid, fid) VALUES (%d, %d)", $cid, $fid);
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}
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break;
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case 'update':
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// admin comment edit does not call validate, so we need to $file = file_check_upload('file')
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if ($file || ($file = file_check_upload('file'))) {
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file_save_upload($file, $file->filename);
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$fid = _comment_upload_delete($cid);
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db_query("UPDATE {files} SET filename = '%s', filepath = '%s', filemime = '%s', filesize = %d WHERE fid = %d", $file->filename, $file->filename, $file->filemime, $file->filesize, $fid);
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}
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break;
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case 'delete':
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_comment_upload_delete($cid, TRUE);
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break;
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case 'view':
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if ($file) {
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$file_view = $file; // this is for preview
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}
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else {
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$file_view = _comment_upload_load_file($cid);
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}
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if ($file_view) {
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return '<div class="comment_attachment"><a href="'. check_url(file_create_url($file_view->filepath)) .'">'. check_plain($file_view->filename) .' ('. format_size($file_view->filesize) .')</a></div>';
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}
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break;
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}
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}
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function _comment_upload_load_file($cid) {
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return db_fetch_object(db_query('SELECT * FROM {files} f INNER JOIN {comment_files} cf ON f.fid = cf.fid WHERE cf.cid = %d', $cid));
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}
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function _comment_upload_delete($cid, $db = FALSE) {
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if ($file = _comment_upload_load_file($cid)) {
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file_delete($file->filepath);
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if ($db) {
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db_query('DELETE FROM {files} WHERE fid = %d', $file->fid);
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db_query('DELETE FROM {comment_files} WHERE cid = %d', $cid);
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}
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return $file->fid;
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}
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}
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