public static function copy($params)
{
if (!isset($params["id"])) {
throw new Exception("Missing id parameter");
}
// Connect to database
$mysqli = FoodAppDatabase::connect();
// Copy FOOD table record
$foodFields = implode(",", array_slice(static::$fieldMap, 1));
$queryString = "INSERT into food (" . $foodFields . ") ";
$queryString .= "SELECT " . $foodFields . " FROM food ";
$queryString .= "WHERE id='" . $params["id"] . "'";
// Run query
if (!$mysqli->query($queryString)) {
throw new Exception($mysqli->error);
}
$newFoodId = $mysqli->insert_id;
// Copy Reviews
Review::copy($params["id"], $newFoodId);
// Copy Components
FoodComponent::copy($params["id"], $newFoodId);
// Copy Recipe Steps
RecipeStep::copy($params["id"], $newFoodId);
// Copy Complements
FoodComplement::copy($params["id"], $newFoodId);
// Copy Alternates
FoodAlternate::copy($params["id"], $newFoodId);
}
public static function calculate($id)
{
if ($id == 0) {
return array();
}
$food = Food::getFood($id);
$returnArray = array();
// Search food components table for input food
$foodComponents = FoodComponent::getComponentsWithChild($id);
foreach ($foodComponents as $foodComponent) {
$parentFood = Food::getFood($foodComponent["foodId"]);
$returnArray[] = array("foodId" => $parentFood["id"], "foodName" => $parentFood["name"], "componentId" => $food["id"], "componentName" => $food["name"], "quantity" => $foodComponent["quantity"], "unitOfMeasure" => $food["unitOfMeasure"]);
}
return $returnArray;
}
public static function addFood($id, &$shoppingArray, $quantity = 0)
{
if ($id == 0) {
return array();
}
// Prepare needed data
$food = Food::getFood($id);
$foodComponents = FoodComponent::getComponents($id);
if (sizeof($foodComponents) == 0) {
// Default to serving size in this case
if ($quantity == 0) {
$quantity = $food["quantity"];
}
// No components, just add entry for self
self::addShopping($shoppingArray, $id, $food, $quantity);
} else {
// Default to recipe quantity in this case
if ($quantity == 0) {
$quantity = $food["recipeQuantity"];
}
if ($quantity == 0) {
$quantity = $food["quantity"];
}
// Return shopping for each component
foreach ($foodComponents as $foodComponent) {
// Determine component quantity needed
if ($food["recipeQuantity"] == 0) {
$food["recipeQuantity"] = $food["quantity"];
}
if ($food["recipeQuantity"] == 0) {
$food["recipeQuantity"] = 1;
}
$componentQuantity = $foodComponent["quantity"] * $quantity / $food["recipeQuantity"];
self::addFood($foodComponent["componentId"], $shoppingArray, $componentQuantity);
}
}
}
public static function calculateComponents($parentId)
{
$returnArray = array();
if ($parentId == 0) {
return $returnArray;
}
// Prepare needed data
$parentFood = Food::getFood($parentId);
$foodComponents = FoodComponent::getComponents($parentId);
// Calculate nutrition for each component
foreach ($foodComponents as $foodComponent) {
// Determine quantity needed for one serving of parent food
if ($parentFood["recipeQuantity"] == 0) {
$parentFood["recipeQuantity"] = 1;
}
$quantity = $foodComponent["quantity"] * $parentFood["quantity"] / $parentFood["recipeQuantity"];
// Calculate component nutrition at that quantity
$componentNutrition = self::calculate($foodComponent["componentId"], $quantity);
// Add component nutrition to output array
$returnArray[] = $componentNutrition;
}
return $returnArray;
}
public function destroy()
{
return FoodComponent::destroy($this->params);
}
