private IEnumerable <Hotel> GetHotels(HotelsQuery searchQuery)
{
var hotels = new List <Hotel>();
// Filling the hotels results manually just for demo purposes
for (int i = 1; i <= 6; i++)
{
var random = new Random(i);
Hotel hotel = new Hotel()
{
Name = $"Hotel {i}",
Location = searchQuery.Destination,
Rating = random.Next(1, 5),
NumberOfReviews = random.Next(0, 5000),
PriceStarting = random.Next(80, 450),
Image = $"https://placeholdit.imgix.net/~text?txtsize=35&txt=Hotel+{i}&w=500&h=260",
MoreImages = new List <string>()
{
"https://placeholdit.imgix.net/~text?txtsize=65&txt=Pic+1&w=450&h=300",
"https://placeholdit.imgix.net/~text?txtsize=65&txt=Pic+2&w=450&h=300",
"https://placeholdit.imgix.net/~text?txtsize=65&txt=Pic+3&w=450&h=300",
"https://placeholdit.imgix.net/~text?txtsize=65&txt=Pic+4&w=450&h=300"
}
};
hotels.Add(hotel);
}
hotels.Sort((h1, h2) => h1.PriceStarting.CompareTo(h2.PriceStarting));
return(hotels);
}
public virtual async Task MessageReceivedAsync(IDialogContext context, IAwaitable <IMessageActivity> result)
{
var message = await result;
if (message.Value != null)
{
// Got an Action Submit
dynamic value = message.Value;
string submitType = value.Type.ToString();
switch (submitType)
{
case "HotelSearch":
HotelsQuery query;
try
{
query = HotelsQuery.Parse(value);
// Trigger validation using Data Annotations attributes from the HotelsQuery model
List <ValidationResult> results = new List <ValidationResult>();
bool valid = Validator.TryValidateObject(query, new ValidationContext(query, null, null), results, true);
if (!valid)
{
// Some field in the Hotel Query are not valid
var errors = string.Join("\n", results.Select(o => " - " + o.ErrorMessage));
await context.PostAsync("Please complete all the search parameters:\n" + errors);
return;
}
}
catch (InvalidCastException)
{
// Hotel Query could not be parsed
await context.PostAsync("Please complete all the search parameters");
return;
}
// Proceed with hotels search
await context.Forward(new HotelsDialog(), this.ResumeAfterOptionDialog, message, CancellationToken.None);
return;
case "HotelSelection":
await SendHotelSelectionAsync(context, (Hotel)JsonConvert.DeserializeObject <Hotel>(value.ToString()));
context.Wait(MessageReceivedAsync);
return;
}
}
if (message.Text != null && (message.Text.ToLower().Contains("help") || message.Text.ToLower().Contains("support") || message.Text.ToLower().Contains("problem")))
{
await context.Forward(new SupportDialog(), this.ResumeAfterSupportDialog, message, CancellationToken.None);
}
else
{
await ShowOptionsAsync(context);
}
}
public async Task StartAsync(IDialogContext context)
{
var message = context.Activity as IMessageActivity;
var query = HotelsQuery.Parse(message.Value);
await context.PostAsync($"Ok. Searching for Hotels in {query.Destination} from {query.Checkin.Value.ToString("MM/dd")} to {query.Checkin.Value.AddDays(query.Nights.Value).ToString("MM/dd")}...");
try
{
await SearchHotels(context, query);
}
catch (FormCanceledException ex)
{
await context.PostAsync($"Oops! Something went wrong :( Technical Details: {ex.InnerException.Message}");
}
}
private async Task SearchHotels(IDialogContext context, HotelsQuery searchQuery)
{
var hotels = this.GetHotels(searchQuery);
// Result count
var title = $"I found in total {hotels.Count()} hotels for your dates:";
var intro = new List <CardElement>()
{
new TextBlock()
{
Text = title,
Size = TextSize.ExtraLarge,
Speak = $"<s>{title}</s>"
}
};
// Hotels in rows of three
var rows = Split(hotels, 3)
.Select(group => new ColumnSet()
{
Columns = new List <Column>(group.Select(AsHotelItem))
});
var card = new AdaptiveCard()
{
Body = intro.Union(rows).ToList()
};
Attachment attachment = new Attachment()
{
ContentType = AdaptiveCard.ContentType,
Content = card
};
var reply = context.MakeMessage();
reply.Attachments.Add(attachment);
await context.PostAsync(reply);
}
