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defmodule MangoWeb.BotChannel do | |
use MangoWeb, :channel | |
alias Mango.Sales | |
def join("pos", payload, socket) do | |
welcome_text = "Hello! Welcome to Mango Point of Sale" | |
{:ok, %{message: welcome_text}, socket} | |
end | |
def handle_in("status", payload, socket) do | |
reply = case Sales.get_order(payload["message"]) do | |
nil -> %{ message: "Order not found." } | |
order -> %{ message: "Status: #{order.status}"} | |
end | |
{:reply, {:ok, reply}, socket} | |
end | |
def handle_in("new", _, socket) do | |
order = Sales.create_cart() | |
new_socket = socket |> assign(:order, order) | |
reply = %{ message: "New Order in Progress: ##{order.id}" } | |
{:reply, {:ok, reply}, new_socket} | |
end | |
def handle_in("add", payload, socket) do | |
item = String.split(payload["message"], " ") | |
reply = case [socket.assigns[:order], item] do | |
[nil, _] -> | |
%{ message: "Please create a new order before proceeding." } | |
[order, [product_id, quantity]] -> | |
{:ok, order} = Sales.add_to_cart(order, %{"product_id" => product_id, "quantity" => quantity}) | |
socket = socket |> assign(:order, order) | |
%{ message: "Product added to order." } | |
_ -> | |
%{ message: "Error" } | |
end | |
{:reply, {:ok, reply}, socket} | |
end | |
def handle_in("complete", _, socket) do | |
reply = case socket.assigns[:order] do | |
nil -> | |
%{ message: "Please create a new order before proceeding." } | |
order -> | |
Sales.pos_sale_complete(order) | |
socket = socket |> assign(:order, nil) | |
%{ message: "Sale complete. Order total is INR #{order.total}" } | |
end | |
{:reply, {:ok, reply}, socket} | |
end | |
def handle_in(_, payload, socket) do | |
reply = %{ message: "I don't understand your question." } | |
{:reply, {:error, reply}, socket} | |
end | |
end |
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