private void InitProperties()
{
var entityType = typeof(TEntity);
var entityTypeInfo = entityType.GetTypeInfo();
var tableAttribute = entityTypeInfo.GetCustomAttribute <TableAttribute>();
TableName = tableAttribute != null ? tableAttribute.Name : entityTypeInfo.Name;
TableSchema = tableAttribute != null ? tableAttribute.Schema : string.Empty;
AllProperties = entityType.FindClassProperties().Where(q => q.CanWrite).ToArray();
var props = AllProperties.Where(ExpressionHelper.GetPrimitivePropertiesPredicate()).ToArray();
var joinProperties = AllProperties.Where(p => p.GetCustomAttributes <JoinAttributeBase>().Any()).ToArray();
SqlJoinProperties = GetJoinPropertyMetadata(joinProperties);
// Filter the non stored properties
SqlProperties = props.Where(p => !p.GetCustomAttributes <NotMappedAttribute>().Any()).Select(p => new SqlPropertyMetadata(p)).ToArray();
// Filter key properties
KeySqlProperties = props.Where(p => p.GetCustomAttributes <KeyAttribute>().Any()).Select(p => new SqlPropertyMetadata(p)).ToArray();
// Use identity as key pattern
var identityProperty = props.FirstOrDefault(p => p.GetCustomAttributes <IdentityAttribute>().Any());
IdentitySqlProperty = identityProperty != null ? new SqlPropertyMetadata(identityProperty) : null;
var dateCreatedProperty = props.FirstOrDefault(p => p.GetCustomAttributes <CreatedAtAttribute>().Count() == 1);
if (dateCreatedProperty != null && (dateCreatedProperty.PropertyType == typeof(DateTime) ||
dateCreatedProperty.PropertyType == typeof(DateTime?)) &&
!dateCreatedProperty.GetCustomAttributes <NotMappedAttribute>().Any())
{
CreatedAtProperty = props.FirstOrDefault(p => p.GetCustomAttributes <CreatedAtAttribute>().Any());
CreatedAtPropertyMetadata = new SqlPropertyMetadata(CreatedAtProperty);
}
var dateChangedProperty = props.FirstOrDefault(p => p.GetCustomAttributes <UpdatedAtAttribute>().Count() == 1);
if (dateChangedProperty != null && (dateChangedProperty.PropertyType == typeof(DateTime) ||
dateChangedProperty.PropertyType == typeof(DateTime?)) &&
!dateChangedProperty.GetCustomAttributes <NotMappedAttribute>().Any())
{
UpdatedAtProperty = props.FirstOrDefault(p => p.GetCustomAttributes <UpdatedAtAttribute>().Any());
UpdatedAtPropertyMetadata = new SqlPropertyMetadata(UpdatedAtProperty);
}
var rowVersionProperty = props.FirstOrDefault(p => p.GetCustomAttributes <RowVersionAttribute>().Count() == 1);
if (rowVersionProperty != null && (rowVersionProperty.PropertyType == typeof(byte[]) ||
rowVersionProperty.PropertyType == typeof(byte)) &&
!rowVersionProperty.GetCustomAttributes <NotMappedAttribute>().Any())
{
RowVersionProperty = props.FirstOrDefault(p => p.GetCustomAttributes <RowVersionAttribute>().Any());
RowVersionPropertyMetadata = new SqlPropertyMetadata(RowVersionProperty);
}
}
private SqlQuery InitBuilderCountWithDistinct(SqlPropertyMetadata sqlProperty)
{
var query = new SqlQuery();
var partSqlCountQuery = !string.IsNullOrEmpty(sqlProperty.Alias)
? TableName + "." + sqlProperty.ColumnName + ") AS " + sqlProperty.PropertyName
: TableName + "." + sqlProperty.ColumnName + ")";
query.SqlBuilder.Append("SELECT COUNT(DISTINCT " + partSqlCountQuery);
return(query);
}
private SqlQuery InitBuilderCountWithDistinct(SqlPropertyMetadata sqlProperty)
{
var query = new SqlQuery();
query.SqlBuilder.Append("SELECT COUNT(DISTINCT ");
query.SqlBuilder
.Append(TableName)
.Append(".")
.Append(sqlProperty.ColumnName)
.Append(")");
if (sqlProperty.Alias != null)
{
query.SqlBuilder
.Append(" AS ")
.Append(sqlProperty.PropertyName);
}
return(query);
}