/**
Returns an array with all the current ingredients in it for this recipe
@param $servings the number of servings to scale the ingredients to
@param $optional if true then the optional ingredients are returned as well
*/
function getIngredients($servings = NULL, $optional = FALSE)
{
global $DB_LINK, $db_table_ingredientmaps;
$ingredients = array();
$scaling = null;
// compute the scaling
if ($this->serving_size != 0 && $this->serving_size != "") {
$scaling = $servings / $this->serving_size;
}
if ($scaling == NULL || $servings == 0) {
$scaling = 1;
}
$sql = "SELECT * FROM {$db_table_ingredientmaps} WHERE map_recipe=" . $DB_LINK->addq($this->id, get_magic_quotes_gpc());
$rc = $DB_LINK->Execute($sql);
while (!$rc->EOF) {
// Only add the ingredient if we are suppose to
if ($optional && $rc->fields['map_optional'] == $DB_LINK->true || $rc->fields['map_optional'] != $DB_LINK->true) {
$ingObj = new Ingredient();
$ingObj->setIngredientMap($rc->fields['map_ingredient'], $rc->fields['map_recipe'], $rc->fields['map_qualifier'], $rc->fields['map_quantity'], $rc->fields['map_unit'], $rc->fields['map_order']);
$ingObj->loadIngredient();
$ingObj->convertToBaseUnits($scaling);
$ingredients = ShoppingList::combineIngredients($ingredients, $ingObj);
}
$rc->MoveNext();
}
return $ingredients;
}