TelegramBot.NET/Sources/TelegramBot.ConsoleTest/Controllers/CafeController.cs at main · bvdcode/TelegramBot.NET · GitHub

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usingSystem.Text;
usingTelegram.Bot;
usingSixLabors.ImageSharp;
usingTelegramBot.Builders;
usingTelegramBot.Attributes;
usingTelegramBot.Controllers;
usingTelegramBot.Abstractions;
usingSixLabors.ImageSharp.PixelFormats;

namespaceTelegramBot.ConsoleTest.Controllers
{
publicclassCafeController(ITelegramBotClienttelegramBotClient):BotControllerBase
{
constlongchiefUserId=123;// Replace with the actual user ID of the chief in restaurant

[TextCommand("/burgers")]
publicIActionResultHandleBurgers()
{
KeyboardBuilderbuilder=new();
builder
.WithColumns(2)
.AddButton("🍔","/burgers/1/drink/false")
.AddButton("🍔🍔","/burgers/2/drink/false")
.AddButton("🍔🥤","/burgers/1/drink/true")
.AddButton("🍔🍔🥤","/burgers/2/drink/true");

returnInline("Choose your order:",builder.Build());
}

[InlineCommand("/burgers/{burgers}/drink/{drink}")]
publicasyncTask<IActionResult>HandleBurgersAsync(intburgers,booldrink)
{
constintburgerPrice=5;
constintdrinkPrice=2;
intcookTime=Random.Shared.Next(18,35);
inttotalPrice=(burgers*burgerPrice)+(drink?drinkPrice:0);

stringtext="🍽🍽🍽🍽🍽🍽🍽🍽🍽🍽🍽🍽\n"+
"Vadim's Burgers got your order!\n\n"+
"Your order:\n"+
$"🍔 {burgers}x Vadim's Burger\n"+
(drink?"🥤 1x Drink\n":"No drink\n\n")+
$"Total: ${totalPrice}.00\n\n"+
"The best burgers will be ready in "+cookTime+" minutes\n"+
"🍽🍽🍽🍽🍽🍽🍽🍽🍽🍽🍽🍽";

stringsender=Update.Message?.From?.Username??"Anonymous";
stringorderText=$"Order from {sender}:\n"+
$"🍔 {burgers}x Vadim's Burger\n"+
(drink?"🥤 1x Drink\n":"No drink\n")+
$"Total: ${totalPrice}.00\n"+
"Send /burgersdone when you are ready to pick up";

awaittelegramBotClient.SendMessage(chiefUserId,orderText);
SetValue("customerId",User.Id);
returnMultiAction(
Text(text),
DeleteMessage()
);
}

[TextCommand("/burgersdone")]
publicasyncTask<IActionResult>HandleBurgersDoneAsync()
{
conststringtext="🍽🍔🥤🍔🥤🍔🍽\n\n"+
"Your order is ready!\n"+
"Please pick up your order at the living room.\n"+
"Enjoy your meal!\n\n"+
"🍽🍔🥤🍔🥤🍔🍽";
longcustomerId=GetValue<long>("customerId");
if(customerId==0)
{
returnText("You have no active orders");
}
awaittelegramBotClient.SendMessage(customerId,text);
returnText(text);
}

[TextCommand("/receipt")]
publicIActionResultHandleReceipt()
{
vartextFileStream=WriteFile();
varimageStream=DrawImage();

returnMultiAction(
File(textFileStream,"receipt.txt"),
Image(imageStream,"Receipt Image"));
}

privatestaticMemoryStreamWriteFile()
{
StringBuilderstringBuilder=new();
stringBuilder.AppendLine("Date: 2021-09-01");
stringBuilder.AppendLine("Time: 12:00");
stringBuilder.AppendLine("Order: 2x Vadim's Burger");
stringBuilder.AppendLine("Total: $10.00");
stringBuilder.AppendLine("Payment method: Cash");
stringBuilder.AppendLine("Thank you for your order!");
MemoryStreamfileStream=new(Encoding.UTF8.GetBytes(stringBuilder.ToString()));
returnfileStream;
}

privatestaticMemoryStreamDrawImage()
{
constbytesize=byte.MaxValue;
usingImage<Rgba32>image=new(size,size,Color.Gray);
for(intx=0;x<image.Width;x++)
{
for(inty=0;y<image.Height;y++)
{
byter=(byte)(x%size);
byteg=(byte)(y%size);
byteb=(byte)(((x+y)/2)%size);
image[x,y]=newRgba32(r,g,b);
}
}
MemoryStreamimageStream=new();
image.SaveAsJpegAsync(imageStream);
imageStream.Position=0;
returnimageStream;
}
}
}