/// <summary>
/// Binds the 'active' categories for the given top-level category GUID to the list for
/// the user to choose.
/// </summary>
/// <param name="categoryGuid">the guid string of a top-level prayer category</param>
/// <returns>true if there were active categories or false if there were none</returns>
private bool BindCategories( string categoryGuid )
{
string settingPrefix = string.Format( "prayer-categories-{0}-", this.BlockId );
IQueryable<PrayerRequest> prayerRequestQuery = new PrayerRequestService( new RockContext() ).GetActiveApprovedUnexpired();
// Filter categories if one has been selected in the configuration
if ( !string.IsNullOrEmpty( categoryGuid ) )
{
Guid guid = new Guid( categoryGuid );
var filterCategory = CategoryCache.Read( guid );
if ( filterCategory != null )
{
prayerRequestQuery = prayerRequestQuery.Where( p => p.Category.ParentCategoryId == filterCategory.Id );
}
}
var categoryList = prayerRequestQuery
.Where( p => p.Category != null )
.Select( p => new { p.Category.Id, p.Category.Name } )
.GroupBy( g => new { g.Id, g.Name } )
.OrderBy( g => g.Key.Name )
.Select( a => new
{
Id = a.Key.Id,
Name = a.Key.Name + " (" + System.Data.Entity.SqlServer.SqlFunctions.StringConvert( (double)a.Count() ).Trim() + ")",
Count = a.Count()
//,Checked = selectedIDs.Contains( a.Key.Id )
} ).ToList();
cblCategories.DataTextField = "Name";
cblCategories.DataValueField = "Id";
cblCategories.DataSource = categoryList;
cblCategories.DataBind();
// use the users preferences to set which items are checked.
_savedCategoryIdsSetting = this.GetUserPreference( settingPrefix ).SplitDelimitedValues();
for ( int i = 0; i < cblCategories.Items.Count; i++ )
{
ListItem item = (ListItem)cblCategories.Items[i];
item.Selected = _savedCategoryIdsSetting.Contains( item.Value );
}
return categoryList.Count() > 0;
}