public static string GetSnippetFilterExpression(RowPermissionsSingleFunctionRuleInfo info, bool allowNotDeny)
{
return(string.Format(
@"{{
Func<Common.ExecutionContext, Expression<Func<Common.Queryable.{0}_{1}, bool>>> getRuleFilter =
{2};
Expression<Func<Common.Queryable.{0}_{1}, bool>> ruleFilter = getRuleFilter.Invoke(executionContext);
filterExpression.{3}(ruleFilter);
}}
",
info.RowPermissionsFilters.DataStructure.Module.Name,
info.RowPermissionsFilters.DataStructure.Name,
info.FilterExpressionFunction,
allowNotDeny ? "Include" : "Exclude"));
}
public static string CreateRuleExpressionMethod(ICodeBuilder codeBuilder, RowPermissionsSingleFunctionRuleInfo info)
{
var target = info.RowPermissionsFilters.DataStructure;
var queryableType = $"Common.Queryable.{target.Module.Name}_{target.Name}";
string methodName = $"GetRowPermissionsRule_{info.Name}";
var methodParameters = new[] { "Common.ExecutionContext" };
string additionalParameters = $",\r\n // Additional parameters for backward compatibility, should be removed in future releases:"
+ $"\r\n IQueryable<{queryableType}> items, Common.DomRepository repository";
// TODO: Remove additionalParameters in next major release. The lambda expression (code snippet) in row permission concepts has only parameter "context",
// but developers sometimes used 'repository' variable from the parent method that was accidentally available in the code snippet.
// The additionalParameters will provide all previously available variables to avoid breaking changes in minor release.
var parsedExpression = new ParsedExpression(info.FilterExpressionFunction, methodParameters, info, additionalParameters: additionalParameters);
string filterMethod =
$@"private Expression<Func<{queryableType}, bool>> {methodName}{parsedExpression.MethodParametersAndBody}
";
codeBuilder.InsertCode(filterMethod, RepositoryHelper.RepositoryMembers, target);
return(methodName);
}