<?php

/**
 * @file
 * Contains more generally applicable functions as well as some meant to help developers
 * Plug-in to the BLAST UI functionality
 */

/**
 * Returns a list BLAST DATABASE options
 *
 * @param $type
 *   The type of BLAST dabases to restrict the list to (ie: n: nucleotide or p: protein)
 *
 * @return
 *   An array where the nid is the key and the value is the human-readable name of the option
 */
function get_blast_database_options($type) {

  // Get all BlastDB nodes
  $nodes  = node_load_multiple(array(), array('type'=> 'blastdb'));

  $options = array();
  foreach ($nodes as $node) {
    if ( isset($node) && isset($node->db_dbtype) ) {
	    if ( ($node->db_dbtype == $type) ) {
        $options[$node->nid] = $node->db_name;
	    }
    }
  }

  asort($options);
  $options[0] = 'Select a Dataset';

  return $options;
}