OrientDB Server-side function for creating a new order, populating the information and edge relationships. For use with the Intro to HTTP REST API tutorial.

OrientDB-CreateOrder.js

var graph = orient.getGraph();

// Check valid parameters
if( ProductID == "" || BuyerID == "" ){
  response.send(404, "Product or Buyer Missing", "text/plain", "Error: Missing ProductID or BuyerID Parameter" );
}

// Query for objects
var product = graph.getVertex(ProductID);
var buyer = graph.getVertex(BuyerID);

// Extract information
var productPrice = product.getProperty('Price');
var buyerPaymentInformation = buyer.getProperty('PaymentInformation');
var buyerShippingInformation = buyer.getProperty('Address');

// Check for valid lookups
if( product == null || buyer == null ){
  response.send(404, "Product or Buyer Not Found", "text/plain", "Error: Invalid ProductID or BuyerID" );
} else {

  //db.begin();
  try{
    
    // Create and save the new order
    var order = graph.addVertex("class:Orders"); 
    order.setProperty("PaymentInformation", buyerPaymentInformation);
    order.setProperty("ShippingInformation", buyerShippingInformation);
    order.setProperty("TotalPrice", productPrice);

    // Commit so that we have a valid rid
    graph.commit();

    var OrderID = order.getProperty('@rid');
    
    // Add Edges
    // HasItem Edge from Order to Product
    // HasOrder Edge from OUser to Order
    var ItemInOrder = graph.addEdge(null, order, product, "ItemInOrder");
    var HasOrder = graph.addEdge(null, buyer, order, "HasOrder");
    
    graph.commit();
    
    return "success";
    
  }catch ( err ){
    graph.rollback();
    response.send(500, "Error on creating new order", "text/plain", err.toString() );
  }
}