public string[] Decode(GoodDataConnection connection, IEnumerable<string> filterUris)
{
var expressions = filterUris.Select(x => TryGetExpression(connection.MandatoryUserFilter, x)).ToArray();
var lookups = BuildReplacementDictionary(connection, expressions);
for (int index = 0; index < expressions.Length; index++)
{
expressions[index] = Replace(lookups, expressions[index]);
}
return expressions;
}
private static Dictionary<string, string> BuildReplacementDictionary(GoodDataConnection connection, IEnumerable<string> expressions)
{
var combinedExpresison = string.Join(" ", expressions.Where(x => !string.IsNullOrWhiteSpace(x)));
var attributes = AttributeRegex
.Matches(combinedExpresison)
.Cast<object>()
.Select(x => x.ToString())
.Distinct()
.Select(x => TryGetAttribute(connection.Attribute, x))
.ToArray();
var usedElements = ElementRegex.Matches(combinedExpresison).Cast<object>().Select(x => x.ToString()).Distinct().ToArray();
var uriToReplacement = usedElements.ToDictionary(elem => elem);
foreach (var attribute in attributes)
{
if (null != attribute)
{
uriToReplacement[string.Format("[{0}]", attribute.Attribute.Meta.Uri)] = string.Format("[{0}]", attribute.Attribute.Meta.Title);
try
{
var elements = connection.Attribute.GetElements(attribute.Attribute.Content.DisplayForms[0].Links.Elements).AssertSuccess().AttributeElements.Elements;
if (null != elements)
{
foreach (var elemInfo in elements)
{
if (uriToReplacement.ContainsKey(elemInfo.Uri))
{
uriToReplacement[elemInfo.Uri] = elemInfo.Title;
}
}
}
}
catch (Exception e)
{
Logger.Warn(e);
}
}
}
return uriToReplacement;
}
public string Decode(GoodDataConnection connection, string filterUri)
{
return Decode(connection, new[] {filterUri})[0];
}
