public async void sendMail(string text)
{
IsBusy = true;
var apiKey = Constants.sendgridApiKey;
var client = new SendGridClient(apiKey);
var msg = new SendGridMessage()
{
From = new EmailAddress("*****@*****.**", "EnquiryMessenger"),
Subject = product != null ? "Enquiry about " + product.FullName : "Email from customer",
PlainTextContent = "Write enquiry...!",
HtmlContent = "<p>" + text + "</p>"
};
msg.AddTo(new EmailAddress("*****@*****.**", "Hristo"));
try {
var response = await client.SendEmailAsync(msg);
view.notify("response", response);
}
catch (HttpRequestException e)
{
view.notify("Error", "Error occured while sending enquiry. Check internet connection.");
}
catch (Exception ex)
{
view.notify("Error", "Unexpected error:" + Environment.NewLine + ex.Message);
}
finally
{
IsBusy = false;
}
}
//Requests the products from the product manager.
public async void requestProducts()
{
//Check if there is internet connection
if (Connectivity.NetworkAccess == NetworkAccess.Internet)
{
NoInternetConnection = false;
IsLoading = true;
string productListString = await manager.requestProductsAsync();
IsLoading = false;
if (productListString.Contains("Error:"))
{
notifyView.notify("Error", productListString.Substring(6));
return;
}
//Set the sorted ProductList variable to a sorted product list so that the favorites come on top.
ProductList = SortProductList(JsonConvert.DeserializeObject <ProductList>(productListString));
}
else
{
NoInternetConnection = true;
}
}
private void FavoritesCommandCalled()
{
//Check if product is in favorites...
if (Settings.ProductIsFavorite(product))
{
Settings.RemoveProductFromFavorites(product); //Remove it if it is
FavoriteLabelText = markLabel;
view.notify("unfavorited");
}
else
{
Settings.AddToFavorites(product); //Add it if it isnt
FavoriteLabelText = removeLabel;
view.notify("favorited");
}
}
private async void GetEmployeeID()
{
if (!HasInternetConnection())
{
NoInternetAlert();
return;
}
int newID = await manager.GetEmpID(employeeName);
if (empID != -1)//This will be executed if there are still pending requests after the Employee id has already been set...
{
if (IDtimer != null)
{
IDtimer.Dispose();
}
return;
}
//Check if the requested ID does not contain an error response.
if (newID == -200 || newID == -12)
{
view.notify("id error");
Task.Factory.StartNew(() =>
{
if (IDtimer != null) //Destroy the timer if it already exists.
{
IDtimer.Dispose();
}
//Make the system check for new messages every 3 seconds.
var startTimeSpan = TimeSpan.Zero;
var periodTimeSpan = TimeSpan.FromSeconds(3);
IDtimer = new Timer((e) =>
{
GetEmployeeID();
}, null, startTimeSpan, periodTimeSpan);
});
}
else
{
//The request for employee ID was successful.
empID = newID;
if (IDtimer != null)
{
IDtimer.Dispose();
}
PageTitle = internetAcessTitle;
StartUpdatingChatList();
}
}
//Stops the update requests and alerts the user for no internet services enabled
private void NoInternetAlert()
{
StopUpdateRequests();
BackgroundColor = noInternetColor;
view.notify("no internet");
}
private async void setSession(int sessionID)
{
if (Connectivity.NetworkAccess != NetworkAccess.Internet)
{
NoInternetAlert();
return;
}
string chatString = await manager.GetSessionInfo(sessionID);
if (chatString.Contains("Error"))
{
if (chatString.Contains("Error"))
{
view.notify("session error", chatString.Substring(6));
setSession(sessionID);
return;
}
}
this.chat = JsonConvert.DeserializeObject <Session>(chatString);
lastMessageID = chat.GetLatestCustomerMessageID();
if (chat.MessageList != null)
{
foreach (Message m in chat.MessageList)
{
//Add all previous messages to the chat page.
Messages.Add(new TextChatViewModel()
{
Text = m.Text, Direction = m.IsEmployee ? TextChatViewModel.ChatDirection.Outgoing : TextChatViewModel.ChatDirection.Incoming
});
}
view.notify("new messages");
}
StartUpdateRequests();
}