/// <summary>
/// Saves the user preferences.
/// </summary>
/// <param name="person">The person.</param>
/// <param name="preferences">The preferences.</param>
public static void SaveUserPreferences( Person person, Dictionary<string, string> preferences )
{
if ( preferences != null )
{
int? personEntityTypeId = Rock.Web.Cache.EntityTypeCache.Read( Person.USER_VALUE_ENTITY ).Id;
using ( var rockContext = new RockContext() )
{
var attributeService = new Model.AttributeService( rockContext );
var attributes = attributeService
.Get( personEntityTypeId, string.Empty, string.Empty )
.Where( a => preferences.Keys.Contains( a.Key ) )
.ToList();
bool wasUpdated = false;
foreach ( var attributeKeyValue in preferences )
{
var attribute = attributes.FirstOrDefault( a => a.Key == attributeKeyValue.Key );
if ( attribute == null )
{
var fieldTypeService = new Model.FieldTypeService( rockContext );
var fieldType = FieldTypeCache.Read( Rock.SystemGuid.FieldType.TEXT.AsGuid() );
attribute = new Model.Attribute();
attribute.IsSystem = false;
attribute.EntityTypeId = personEntityTypeId;
attribute.EntityTypeQualifierColumn = string.Empty;
attribute.EntityTypeQualifierValue = string.Empty;
attribute.Key = attributeKeyValue.Key;
attribute.Name = attributeKeyValue.Key;
attribute.IconCssClass = string.Empty;
attribute.DefaultValue = string.Empty;
attribute.IsMultiValue = false;
attribute.IsRequired = false;
attribute.Description = string.Empty;
attribute.FieldTypeId = fieldType.Id;
attribute.Order = 0;
attributeService.Add( attribute );
wasUpdated = true;
}
}
if ( wasUpdated )
{
// Save any new attributes
rockContext.SaveChanges();
// Requery attributes ( so they all have ids )
attributes = attributeService
.Get( personEntityTypeId, string.Empty, string.Empty )
.Where( a => preferences.Keys.Contains( a.Key ) )
.ToList();
}
var attributeIds = attributes.Select( a => a.Id ).ToList();
var attributeValueService = new Model.AttributeValueService( rockContext );
var attributeValues = attributeValueService.Queryable( "Attribute" )
.Where( v =>
attributeIds.Contains( v.AttributeId ) &&
v.EntityId.HasValue &&
v.EntityId.Value == person.Id )
.ToList();
wasUpdated = false;
foreach ( var attributeKeyValue in preferences )
{
if ( string.IsNullOrWhiteSpace( attributeKeyValue.Value ) )
{
foreach ( var attributeValue in attributeValues
.Where( v =>
v.Attribute != null &&
v.Attribute.Key == attributeKeyValue.Key )
.ToList() )
{
attributeValueService.Delete( attributeValue );
attributeValues.Remove( attributeValue );
wasUpdated = true;
}
}
else
{
var attributeValue = attributeValues
.Where( v =>
v.Attribute != null &&
v.Attribute.Key == attributeKeyValue.Key )
.FirstOrDefault();
if ( attributeValue == null )
{
var attribute = attributes
.Where( a => a.Key == attributeKeyValue.Key )
.FirstOrDefault();
if ( attribute != null )
{
attributeValue = new Model.AttributeValue();
attributeValue.AttributeId = attribute.Id;
attributeValue.EntityId = person.Id;
attributeValueService.Add( attributeValue );
}
}
wasUpdated = wasUpdated || ( attributeValue.Value != attributeKeyValue.Value );
attributeValue.Value = attributeKeyValue.Value;
}
}
if ( wasUpdated )
{
rockContext.SaveChanges();
}
}
}
}