/// <summary>
/// Renders the specified context.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="result">The result.</param>
public override void OnRender(ILavaRenderContext context, TextWriter result)
{
try
{
var dataSource = new EventOccurrencesLavaDataSource();
var settings = LavaElementAttributes.NewFromMarkup(_attributesMarkup, context);
var events = dataSource.GetEventOccurrencesForEvent(settings, LavaHelper.GetRockContextFromLavaContext(context));
AddLavaMergeFieldsToContext(context, events);
base.OnRender(context, result);
}
catch (Exception ex)
{
var message = "Event Occurrences not available. " + ex.Message;
if (_renderErrors)
{
result.Write(message);
}
else
{
ExceptionLogService.LogException(ex);
}
}
}
/// <summary>
/// Gets the event occurrences for calendar.
/// </summary>
/// <param name="settings">The settings.</param>
/// <param name="rockContext">The rock context.</param>
/// <returns></returns>
/// <exception cref="Exception">
/// Invalid configuration setting \"{unknownNames.AsDelimited( "," )}\".
/// or
/// Invalid configuration setting \"maxoccurrences\".
/// </exception>
public List <EventOccurrenceSummary> GetEventOccurrencesForCalendar(LavaElementAttributes settings, RockContext rockContext)
{
// Check for invalid parameters.
var unknownNames = settings.GetUnmatchedAttributes(new List <string> {
ParameterCalendarId, ParameterAudienceIds, ParameterCampusIds, ParameterDateRange, ParameterMaxOccurrences, ParameterStartDate
});
if (unknownNames.Any())
{
throw new Exception($"Invalid configuration setting \"{unknownNames.AsDelimited( "," )}\".");
}
if (rockContext == null)
{
rockContext = new RockContext();
}
// Get the Event Calendar.
var calendar = ResolveCalendarSettingOrThrow(rockContext, settings.GetStringValue(ParameterCalendarId));
// Get the Date Range.
var startDate = settings.GetDateTimeValue(ParameterStartDate, RockDateTime.Today);
var dateRange = settings.GetStringValue(ParameterDateRange, string.Empty).ToLower();
var endDate = GetEndDateFromStartDateAndRange(startDate, dateRange);
// Get the Maximum Occurrences.
int maxOccurrences = 100;
if (settings.HasValue(ParameterMaxOccurrences))
{
maxOccurrences = settings.GetIntegerValue(ParameterMaxOccurrences, null) ?? 0;
if (maxOccurrences == 0)
{
throw new Exception($"Invalid configuration setting \"maxoccurrences\".");
}
}
// Get the Audiences.
var audienceIdList = ResolveAudienceSettingOrThrow(settings.GetStringValue(ParameterAudienceIds, string.Empty));
// Get the Campuses.
var campusIdList = ResolveCampusSettingOrThrow(settings.GetStringValue(ParameterCampusIds, string.Empty));
// Get the result set.
var qryOccurrences = GetBaseEventOccurrenceQuery(rockContext);
qryOccurrences = qryOccurrences.Where(m => m.EventItem.EventCalendarItems.Any(i => i.EventCalendarId == calendar.Id));
var summaries = GetFilteredEventOccurrenceSummaries(qryOccurrences, audienceIdList, campusIdList, maxOccurrences, startDate, endDate);
return(summaries);
}
/// <summary>
/// Get a filtered set of occurrences for a specific calendar.
/// </summary>
/// <param name="settings"></param>
/// <returns></returns>
public List <EventOccurrenceSummary> GetEventOccurrencesForCalendar(LavaElementAttributes settings)
{
return(this.GetEventOccurrencesForCalendar(settings, null));
}
