private static async Task <string> GetSingleClassWithPrefix(IBrowser browser, string targetNodeType, string classPrefix)
{
var classesWithPrefix = await GetClassesWithPrefixNameScript()(browser, targetNodeType, classPrefix).ConfigureAwait(false);
if (classesWithPrefix.Length != 1)
{
throw new Exception($"Expected exactly one class with the prefix '{classPrefix}', but found {classesWithPrefix.Length}!");
}
return(classesWithPrefix[0]);
}
private static async Task <string> GetSingleClassWithFirstPrefix(IBrowser browser, string targetNodeType, params string[] classPrefixes)
{
foreach (var classPrefix in classPrefixes)
{
var classesWithPrefix = await GetClassesWithPrefixNameScript()(browser, targetNodeType, classPrefix).ConfigureAwait(false);
if (classesWithPrefix.Length == 1)
{
return(classesWithPrefix.Single());
}
}
throw new Exception("Could not find any suitable class!");
}
private static async Task SelectDate(IBrowser browser, DateTimeOffset date)
{
var maxMonthsInFuture = 12;
var monthsToMove = MonthsBetween(DateTimeOffset.Now, date);
if (monthsToMove < 0)
{
throw new ArgumentException($"Cannot select a date in the past ({date})!");
}
if (monthsToMove > maxMonthsInFuture)
{
throw new ArgumentException($"Cannot compute flight prices which are more than {maxMonthsInFuture} months in the future ({date})!");
}
var dateInput = await GetElementByClassPrefix(browser, "button", "DateInput_DateInput__").ConfigureAwait(false);
await dateInput.Click().ConfigureAwait(false);
var monthSelectorClasses = await GetClassesWithPrefixNameScript()(browser, "select", "BpkSelect_bpk-select__").ConfigureAwait(false);
var monthSelector = await browser.GetElementByClass(monthSelectorClasses.Last()).ConfigureAwait(false);
foreach (var month in Enumerable.Range(0, monthsToMove))
{
await MoveOneMonthDown().ConfigureAwait(false);
}
await GetDayOfMonthSelectorScript()(browser, date.Day).ConfigureAwait(false);
async Task MoveOneMonthDown()
{
await monthSelector.SendEnter().ConfigureAwait(false);
await browser.SendDownArrowKey().ConfigureAwait(false);
await monthSelector.SendEnter().ConfigureAwait(false);
}
}
