Class Controller

  • public class Controller
extends java.lang.Object
    Controller class is responsible for managing instances of clients, vendors, orders and products. Also represents a collection of instances of various entities used in the system, including clients, vendors, orders, and products.

    • Constructor Summary

      Constructors 
      Constructor Description
      Controller()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addClientToInstances​(java.lang.String name, boolean active)
      Creates a new client with the specified name and active status, and adds it to the list of client instances.
      void addDefaultObjects()
      This method initializes default instances for vendors, products, clients and orders.
      void addOrderToInstances​(Client client, java.util.ArrayList<ProductOnOrder> products)
      Adds the specified order to the list of order instances.
      void addProductToInstances​(java.lang.String name, float price, char nutri, Vendor vendor)
      Creates a new product with the specified name, price, nutrition grade, and vendor, and adds it to the list of product instances.
      java.lang.String addProductToOrder​(Product product, java.util.ArrayList<ProductOnOrder> products, int qty)
      Adds a specified quantity of a Product object to an ArrayList of ProductOnOrder objects.
      void addVendorToInstances​(java.lang.String name, boolean active)
      Creates a new vendor with the specified name and active status, and adds it to the list of vendor instances.
      void dropClientFromInstances​(int clientID)
      This method removes the client instance with the given client ID from the clientInstances ArrayList.
      void dropDefaultObjects()
      This method drops the default objects related to clients, products, orders, and vendors from their respective lists of default objects.
      void dropOrderFromInstances​(int orderID)
      This method removes the order instance with the given order ID from the orderInstances ArrayList.
      void dropProductFromInstances​(int productID)
      This method removes the product instance with the given product ID from the productInstances ArrayList.
      java.lang.String dropProductFromOrder​(int id, java.util.ArrayList<ProductOnOrder> products, int qty)
      Drops a specified quantity of a ProductOnOrder object from an ArrayList of ProductOnOrder objects.
      void dropVendorFromInstances​(int vendorID)
      This method removes the vendor instance with the given vendor ID from the vendorInstances ArrayList.
      Order findOrderById​(int id)
      Searches for an Order object in the system by its ID.
      java.util.ArrayList<Client> getClientInstances()
      Returns the ArrayList containing all client instances.
      java.util.ArrayList<java.lang.Integer> getDefaultObjectsClient()
      Returns the ArrayList of default objects related to clients.
      java.util.ArrayList<java.lang.Integer> getDefaultObjectsOrder()
      Returns the ArrayList of default objects related to orders.
      java.util.ArrayList<java.lang.Integer> getDefaultObjectsProduct()
      Returns the ArrayList of default objects related to products.
      java.util.ArrayList<java.lang.Integer> getDefaultObjectsProductOnOrder()
      Returns a list of integers representing the default objects for the ProductOnOrder class.
      java.util.ArrayList<java.lang.Integer> getDefaultObjectsVendor()  
      java.util.ArrayList<Order> getOrderInstances()
      Returns the ArrayList containing all order instances.
      Product getProductById​(int id)
      Returns the Product object with the specified ID.
      java.util.ArrayList<Product> getProductInstances()
      Returns the ArrayList containing all product instances.
      static java.util.ArrayList<ProductOnOrder> getProductOnOrderInstances()  
      java.lang.String getShoppingList​(java.util.ArrayList<ProductOnOrder> products)
      Returns a formatted String representation of an ArrayList of ProductOnOrder objects, representing a shopping list.
      float getTotalPrice​(java.util.ArrayList<ProductOnOrder> products)
      Calculates and returns the total price of an ArrayList of ProductOnOrder objects.
      java.util.ArrayList<Vendor> getVendorInstances()
      Returns the ArrayList containing all vendor instances.
      boolean isProductInOrder​(Product product, java.util.ArrayList<ProductOnOrder> products)
      Returns whether a Product object is in an ArrayList of ProductOnOrder objects.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • Controller

        public Controller()

    • Method Detail

      • getClientInstances

        public java.util.ArrayList<Client> getClientInstances()
        Returns the ArrayList containing all client instances.
        Returns:
        ArrayList containing all client instances.

      • getVendorInstances

        public java.util.ArrayList<Vendor> getVendorInstances()
        Returns the ArrayList containing all vendor instances.
        Returns:
        ArrayList containing all vendor instances.

      • getOrderInstances

        public java.util.ArrayList<Order> getOrderInstances()
        Returns the ArrayList containing all order instances.
        Returns:
        ArrayList containing all order instances.

      • getProductInstances

        public java.util.ArrayList<Product> getProductInstances()
        Returns the ArrayList containing all product instances.
        Returns:
        ArrayList containing all product instances.

      • getProductOnOrderInstances

        public static java.util.ArrayList<ProductOnOrder> getProductOnOrderInstances()

      • getDefaultObjectsVendor

        public java.util.ArrayList<java.lang.Integer> getDefaultObjectsVendor()

      • getDefaultObjectsClient

        public java.util.ArrayList<java.lang.Integer> getDefaultObjectsClient()
        Returns the ArrayList of default objects related to clients.
        Returns:
        the ArrayList of default objects related to clients.

      • getDefaultObjectsProduct

        public java.util.ArrayList<java.lang.Integer> getDefaultObjectsProduct()
        Returns the ArrayList of default objects related to products.
        Returns:
        the ArrayList of default objects related to products.

      • getDefaultObjectsOrder

        public java.util.ArrayList<java.lang.Integer> getDefaultObjectsOrder()
        Returns the ArrayList of default objects related to orders.
        Returns:
        the ArrayList of default objects related to orders.

      • getDefaultObjectsProductOnOrder

        public java.util.ArrayList<java.lang.Integer> getDefaultObjectsProductOnOrder()
        Returns a list of integers representing the default objects for the ProductOnOrder class.
        Returns:
        an ArrayList of integers representing the default objects for the ProductOnOrder class.

      • getProductById

        public Product getProductById​(int id)
        Returns the Product object with the specified ID.
        Parameters:
        id - the ID of the Product to retrieve
        Returns:
        the Product object with the specified ID, or null if no Product with the specified ID is found

      • isProductInOrder

        public boolean isProductInOrder​(Product product,
                                java.util.ArrayList<ProductOnOrder> products)
        Returns whether a Product object is in an ArrayList of ProductOnOrder objects.
        Parameters:
        product - the Product object to search for
        products - the ArrayList of ProductOnOrder objects to search in
        Returns:
        true if the Product object is found in the ArrayList, false otherwise

      • addProductToOrder

        public java.lang.String addProductToOrder​(Product product,
                                          java.util.ArrayList<ProductOnOrder> products,
                                          int qty)
        Adds a specified quantity of a Product object to an ArrayList of ProductOnOrder objects.
        Parameters:
        product - the Product object to add
        products - the ArrayList of ProductOnOrder objects to add to
        qty - the quantity of the Product object to add
        Returns:
        a String message indicating whether the Product object was successfully added to the ArrayList or not

      • dropProductFromOrder

        public java.lang.String dropProductFromOrder​(int id,
                                             java.util.ArrayList<ProductOnOrder> products,
                                             int qty)
        Drops a specified quantity of a ProductOnOrder object from an ArrayList of ProductOnOrder objects.
        Parameters:
        id - the ID of the ProductOnOrder object to drop
        products - the ArrayList of ProductOnOrder objects to drop from
        qty - the quantity of the ProductOnOrder object to drop
        Returns:
        a String message indicating whether the ProductOnOrder object was successfully dropped from the ArrayList or not

      • getShoppingList

        public java.lang.String getShoppingList​(java.util.ArrayList<ProductOnOrder> products)
        Returns a formatted String representation of an ArrayList of ProductOnOrder objects, representing a shopping list.
        Parameters:
        products - the ArrayList of ProductOnOrder objects to represent as a shopping list
        Returns:
        a formatted String representation of the shopping list

      • getTotalPrice

        public float getTotalPrice​(java.util.ArrayList<ProductOnOrder> products)
        Calculates and returns the total price of an ArrayList of ProductOnOrder objects.
        Parameters:
        products - the ArrayList of ProductOnOrder objects to calculate the total price of
        Returns:
        the total price of the ProductOnOrder objects in the ArrayList

      • findOrderById

        public Order findOrderById​(int id)
        Searches for an Order object in the system by its ID. If the ID is associated with a default object, an error message is printed and null is returned. If the ID is not found in the system, an error message is printed and null is returned.
        Parameters:
        id - the ID of the Order object to search for
        Returns:
        the Order object with the given ID if found, null otherwise

      • addProductToInstances

        public void addProductToInstances​(java.lang.String name,
                                  float price,
                                  char nutri,
                                  Vendor vendor)
        Creates a new product with the specified name, price, nutrition grade, and vendor, and adds it to the list of product instances.
        Parameters:
        name - the name of the product
        price - the price of the product
        nutri - the nutrition grade of the product
        vendor - the vendor of the product

      • addClientToInstances

        public void addClientToInstances​(java.lang.String name,
                                 boolean active)
        Creates a new client with the specified name and active status, and adds it to the list of client instances.
        Parameters:
        name - the name of the client
        active - the active status of the client

      • addVendorToInstances

        public void addVendorToInstances​(java.lang.String name,
                                 boolean active)
        Creates a new vendor with the specified name and active status, and adds it to the list of vendor instances.
        Parameters:
        name - the name of the vendor
        active - the active status of the vendor

      • addOrderToInstances

        public void addOrderToInstances​(Client client,
                                java.util.ArrayList<ProductOnOrder> products)
        Adds the specified order to the list of order instances.

      • dropClientFromInstances

        public void dropClientFromInstances​(int clientID)
        This method removes the client instance with the given client ID from the clientInstances ArrayList.
        Parameters:
        clientID - the ID of the client to be removed

      • dropVendorFromInstances

        public void dropVendorFromInstances​(int vendorID)
        This method removes the vendor instance with the given vendor ID from the vendorInstances ArrayList.
        Parameters:
        vendorID - the ID of the vendor to be removed

      • dropProductFromInstances

        public void dropProductFromInstances​(int productID)
        This method removes the product instance with the given product ID from the productInstances ArrayList.
        Parameters:
        productID - the ID of the product to be removed

      • dropOrderFromInstances

        public void dropOrderFromInstances​(int orderID)
        This method removes the order instance with the given order ID from the orderInstances ArrayList.
        Parameters:
        orderID - the ID of the order to be removed

      • addDefaultObjects

        public void addDefaultObjects()
        This method initializes default instances for vendors, products, clients and orders. The vendors, products and clients are added to their respective instance lists. The orders are created using the default products and clients and added to the order instance list.

      • dropDefaultObjects

        public void dropDefaultObjects()
        This method drops the default objects related to clients, products, orders, and vendors from their respective lists of default objects. It calls the methods to drop each client, vendor, product, and order from their instances and removes them from their respective lists of default objects. Note that the defaultObjectsClient, defaultObjectsProduct, defaultObjectsOrder, and defaultObjectsVendor lists must be initialized and populated prior to calling this method.