/// <summary>
/// Uses reflection to find any <see cref="FieldAttribute" /> attributes for the specified type and will create and/or update
/// a <see cref="Rock.Model.Attribute" /> record for each attribute defined.
/// </summary>
/// <param name="type">The type (should be a <see cref="IHasAttributes" /> object.</param>
/// <param name="entityTypeId">The entity type id.</param>
/// <param name="entityQualifierColumn">The entity qualifier column.</param>
/// <param name="entityQualifierValue">The entity qualifier value.</param>
/// <param name="currentPersonId">The current person id.</param>
/// <returns></returns>
public static bool UpdateAttributes(Type type, int?entityTypeId, string entityQualifierColumn, string entityQualifierValue, int?currentPersonId)
{
bool attributesUpdated = false;
List <string> existingKeys = new List <string>();
var blockProperties = new List <FieldAttribute>();
// If a ContextAwareAttribute exists without an EntityType defined, add a property attribute to specify the type
int properties = 0;
foreach (var customAttribute in type.GetCustomAttributes(typeof(ContextAwareAttribute), true))
{
var contextAttribute = (ContextAwareAttribute)customAttribute;
if (contextAttribute != null && contextAttribute.EntityType == null)
{
string propertyKeyName = string.Format("ContextEntityType{0}", properties > 0 ? properties.ToString() : "");
properties++;
blockProperties.Add(new EntityTypeFieldAttribute("Entity Type", false, "The type of entity that will provide context for this block", false, "Context", 0, propertyKeyName));
}
}
// Add any property attributes that were defined for the block
foreach (var customAttribute in type.GetCustomAttributes(typeof(FieldAttribute), true))
{
blockProperties.Add((FieldAttribute)customAttribute);
}
// Create any attributes that need to be created
var attributeService = new Model.AttributeService();
if (blockProperties.Count > 0)
{
var attributeQualifierService = new Model.AttributeQualifierService();
var fieldTypeService = new Model.FieldTypeService();
var categoryService = new Model.CategoryService();
foreach (var blockProperty in blockProperties)
{
attributesUpdated = UpdateAttribute(attributeService, attributeQualifierService, fieldTypeService, categoryService,
blockProperty, entityTypeId, entityQualifierColumn, entityQualifierValue, currentPersonId) || attributesUpdated;
existingKeys.Add(blockProperty.Key);
}
}
// Remove any old attributes
foreach (var a in attributeService.Get(entityTypeId, entityQualifierColumn, entityQualifierValue).ToList())
{
if (!existingKeys.Contains(a.Key))
{
attributeService.Delete(a, currentPersonId);
attributeService.Save(a, currentPersonId);
}
}
return(attributesUpdated);
}
/// <summary>
/// Adds or Updates a <see cref="Rock.Model.Attribute" /> item for the attribute.
/// </summary>
/// <param name="attributeService">The attribute service.</param>
/// <param name="attributeQualifierService">The attribute qualifier service.</param>
/// <param name="fieldTypeService">The field type service.</param>
/// <param name="categoryService">The category service.</param>
/// <param name="property">The property.</param>
/// <param name="entityTypeId">The entity type id.</param>
/// <param name="entityQualifierColumn">The entity qualifier column.</param>
/// <param name="entityQualifierValue">The entity qualifier value.</param>
/// <param name="currentPersonId">The current person id.</param>
/// <returns></returns>
private static bool UpdateAttribute(Model.AttributeService attributeService, Model.AttributeQualifierService attributeQualifierService, Model.FieldTypeService fieldTypeService, Model.CategoryService categoryService,
FieldAttribute property, int?entityTypeId, string entityQualifierColumn, string entityQualifierValue, int?currentPersonId)
{
bool updated = false;
var propertyCategories = property.Category.SplitDelimitedValues(false).ToList();
// Look for an existing attribute record based on the entity, entityQualifierColumn and entityQualifierValue
Model.Attribute attribute = attributeService.Get(
entityTypeId, entityQualifierColumn, entityQualifierValue, property.Key);
if (attribute == null)
{
// If an existing attribute record doesn't exist, create a new one
updated = true;
attribute = new Model.Attribute();
attribute.EntityTypeId = entityTypeId;
attribute.EntityTypeQualifierColumn = entityQualifierColumn;
attribute.EntityTypeQualifierValue = entityQualifierValue;
attribute.Key = property.Key;
attribute.IsGridColumn = false;
}
else
{
// Check to see if the existing attribute record needs to be updated
if (attribute.Name != property.Name ||
attribute.DefaultValue != property.DefaultValue ||
attribute.Description != property.Description ||
attribute.Order != property.Order ||
attribute.FieldType.Assembly != property.FieldTypeAssembly ||
attribute.FieldType.Class != property.FieldTypeClass ||
attribute.IsRequired != property.IsRequired)
{
updated = true;
}
// Check category
else if (attribute.Categories.Select(c => c.Name).Except(propertyCategories).Any() ||
propertyCategories.Except(attribute.Categories.Select(c => c.Name)).Any())
{
updated = true;
}
// Check the qualifier values
else if (attribute.AttributeQualifiers.Select(q => q.Key).Except(property.FieldConfigurationValues.Select(c => c.Key)).Any() ||
property.FieldConfigurationValues.Select(c => c.Key).Except(attribute.AttributeQualifiers.Select(q => q.Key)).Any())
{
updated = true;
}
else
{
foreach (var attributeQualifier in attribute.AttributeQualifiers)
{
if (!property.FieldConfigurationValues.ContainsKey(attributeQualifier.Key) ||
property.FieldConfigurationValues[attributeQualifier.Key].Value != attributeQualifier.Value)
{
updated = true;
break;
}
}
}
}
if (updated)
{
// Update the attribute
attribute.Name = property.Name;
attribute.Description = property.Description;
attribute.DefaultValue = property.DefaultValue;
attribute.Order = property.Order;
attribute.IsRequired = property.IsRequired;
attribute.Categories.Clear();
if (propertyCategories.Any())
{
foreach (string propertyCategory in propertyCategories)
{
int attributeEntityTypeId = EntityTypeCache.Read(typeof(Rock.Model.Attribute)).Id;
var category = categoryService.Get(propertyCategory, attributeEntityTypeId, "EntityTypeId", entityTypeId.ToString()).FirstOrDefault();
if (category == null)
{
category = new Category();
category.Name = propertyCategory;
category.EntityTypeId = attributeEntityTypeId;
category.EntityTypeQualifierColumn = "EntityTypeId";
category.EntityTypeQualifierValue = entityTypeId.ToString();
category.Order = 0;
}
attribute.Categories.Add(category);
}
}
foreach (var qualifier in attribute.AttributeQualifiers.ToList())
{
attributeQualifierService.Delete(qualifier, currentPersonId);
}
attribute.AttributeQualifiers.Clear();
foreach (var configValue in property.FieldConfigurationValues)
{
var qualifier = new Model.AttributeQualifier();
qualifier.Key = configValue.Key;
qualifier.Value = configValue.Value.Value;
attribute.AttributeQualifiers.Add(qualifier);
}
// Try to set the field type by searching for an existing field type with the same assembly and class name
if (attribute.FieldType == null || attribute.FieldType.Assembly != property.FieldTypeAssembly ||
attribute.FieldType.Class != property.FieldTypeClass)
{
attribute.FieldType = fieldTypeService.Queryable().FirstOrDefault(f =>
f.Assembly == property.FieldTypeAssembly &&
f.Class == property.FieldTypeClass);
}
// If this is a new attribute, add it, otherwise remove the exiting one from the cache
if (attribute.Id == 0)
{
attributeService.Add(attribute, currentPersonId);
}
else
{
AttributeCache.Flush(attribute.Id);
}
attributeService.Save(attribute, currentPersonId);
return(true);
}
else
{
return(false);
}
}
