/// <summary>
/// Creates the default cash drawer.
/// </summary>
/// <param name="instance">Specifies the cash drawer instance that should be used.</param>
/// <returns>True if the cash drawer was created, false otherwise.</returns>
private async Task <bool> CreateDefaultCashDrawerObject(CashDrawerInstance instance)
{
rootPage.NotifyUser("Creating cash drawer object.", NotifyType.StatusMessage);
CashDrawer tempDrawer = null;
tempDrawer = await DeviceHelpers.GetFirstCashDrawerAsync();
if (tempDrawer == null)
{
rootPage.NotifyUser("Cash drawer not found. Please connect a cash drawer.", NotifyType.ErrorMessage);
return(false);
}
switch (instance)
{
case CashDrawerInstance.Instance1:
cashDrawerInstance1 = tempDrawer;
break;
case CashDrawerInstance.Instance2:
cashDrawerInstance2 = tempDrawer;
break;
default:
return(false);
}
return(true);
}
/// <summary>
/// Creates the default cash drawer.
/// </summary>
/// <param name="instance">Specifies the cash drawer instance that should be used.</param>
/// <returns>True if the cash drawer was created, false otherwise.</returns>
private async Task<bool> CreateDefaultCashDrawerObject(CashDrawerInstance instance)
{
rootPage.NotifyUser("Creating cash drawer object.", NotifyType.StatusMessage);
CashDrawer tempDrawer = null;
tempDrawer = await CashDrawer.GetDefaultAsync();
if (tempDrawer == null)
{
rootPage.NotifyUser("Cash drawer not found. Please connect a cash drawer.", NotifyType.ErrorMessage);
return false;
}
switch (instance)
{
case CashDrawerInstance.Instance1:
cashDrawerInstance1 = tempDrawer;
break;
case CashDrawerInstance.Instance2:
cashDrawerInstance2 = tempDrawer;
break;
default:
return false;
}
return true;
}
/// <summary>
/// Sets the UI elements to a state corresponding to the specified instace being released.
/// </summary>
/// <param name="instance">Corresponds to instance that has been released.</param>
private void SetReleasedUI(CashDrawerInstance instance)
{
switch (instance)
{
case CashDrawerInstance.Instance1:
ClaimButton1.IsEnabled = true;
ReleaseButton1.IsEnabled = false;
break;
case CashDrawerInstance.Instance2:
ClaimButton2.IsEnabled = true;
ReleaseButton2.IsEnabled = false;
break;
default:
break;
}
}
/// <summary>
/// Attempt to claim the connected cash drawer.
/// </summary>
/// <param name="instance">Specifies the cash drawer instance that should be used.</param>
/// <returns>True if the cash drawer was successfully claimed, false otherwise.</returns>
private async Task <bool> ClaimCashDrawer(CashDrawerInstance instance)
{
bool claimAsyncStatus = false;
switch (instance)
{
case CashDrawerInstance.Instance1:
claimedCashDrawerInstance1 = await cashDrawerInstance1.ClaimDrawerAsync();
if (claimedCashDrawerInstance1 != null)
{
rootPage.NotifyUser("Successfully claimed instance 1.", NotifyType.StatusMessage);
claimAsyncStatus = true;
}
else
{
rootPage.NotifyUser("Failed to claim instance 1.", NotifyType.ErrorMessage);
}
break;
case CashDrawerInstance.Instance2:
claimedCashDrawerInstance2 = await cashDrawerInstance2.ClaimDrawerAsync();
if (claimedCashDrawerInstance2 != null)
{
rootPage.NotifyUser("Successfully claimed instance 2.", NotifyType.StatusMessage);
claimAsyncStatus = true;
}
else
{
rootPage.NotifyUser("Failed to claim instance 2.", NotifyType.ErrorMessage);
}
break;
default:
break;
}
return(claimAsyncStatus);
}
/// <summary>
/// Sets the UI elements to a state corresponding to the specified instace being released.
/// </summary>
/// <param name="instance">Corresponds to instance that has been released.</param>
private void SetReleasedUI(CashDrawerInstance instance)
{
switch (instance)
{
case CashDrawerInstance.Instance1:
ClaimButton1.IsEnabled = true;
ReleaseButton1.IsEnabled = false;
break;
case CashDrawerInstance.Instance2:
ClaimButton2.IsEnabled = true;
ReleaseButton2.IsEnabled = false;
break;
default:
break;
}
}
/// <summary>
/// Attempt to claim the connected cash drawer.
/// </summary>
/// <param name="instance">Specifies the cash drawer instance that should be used.</param>
/// <returns>True if the cash drawer was successfully claimed, false otherwise.</returns>
private async Task<bool> ClaimCashDrawer(CashDrawerInstance instance)
{
bool claimAsyncStatus = false;
switch (instance)
{
case CashDrawerInstance.Instance1:
claimedCashDrawerInstance1 = await cashDrawerInstance1.ClaimDrawerAsync();
if (claimedCashDrawerInstance1 != null)
{
rootPage.NotifyUser("Successfully claimed instance 1.", NotifyType.StatusMessage);
claimAsyncStatus = true;
}
else
{
rootPage.NotifyUser("Failed to claim instance 1.", NotifyType.ErrorMessage);
}
break;
case CashDrawerInstance.Instance2:
claimedCashDrawerInstance2 = await cashDrawerInstance2.ClaimDrawerAsync();
if (claimedCashDrawerInstance2 != null)
{
rootPage.NotifyUser("Successfully claimed instance 2.", NotifyType.StatusMessage);
claimAsyncStatus = true;
}
else
{
rootPage.NotifyUser("Failed to claim instance 2.", NotifyType.ErrorMessage);
}
break;
default:
break;
}
return claimAsyncStatus;
}
