/// <summary>
/// Map of values related to a single name for default property.
/// It can be used to guess the use of a default property instead of simple tag
/// </summary>
/// <returns>an mepty map if any error occurred; the map with keys: default properties values (lower case); values, the related property name </returns>
public static IDictionary <string, string> GetDefaultValuesRelatedToSingleKey(this IPropertiesRepository repo)
{
if (repo == null)
{
return(new Dictionary <string, string>());
}
if (s_defValuesRelatedToSingleKey == null)
{
s_defValuesRelatedToSingleKey = new Dictionary <string, string>();
Dictionary <string, List <string> > defPropVal = repo.GetDefaultPropertiesValues();
foreach (string defPropKey in defPropVal.Keys)
{
List <string> values = defPropVal[defPropKey];
if (values != null)
{
foreach (string value in values)
{
string valueLower = value.ToLower();
// put an empty value to signal that the property value is linked to multiple keys
if (s_defValuesRelatedToSingleKey.ContainsKey(valueLower))
{
s_defValuesRelatedToSingleKey[valueLower] = string.Empty;
}
else
{
s_defValuesRelatedToSingleKey.Add(valueLower, defPropKey);
}
}
}
}
//purge eventual values with multiple keys:
List <string> keyToRemove = new List <string>(s_defValuesRelatedToSingleKey.Keys);
foreach (string key in keyToRemove)
{
if (string.IsNullOrEmpty(s_defValuesRelatedToSingleKey[key]))
{
s_defValuesRelatedToSingleKey.Remove(key);
}
}
}
return(s_defValuesRelatedToSingleKey);
}
/// <summary>
/// Returns the set of default properties names and values: the complete collection of names and values that constitutes the
/// default properties managed in Snip2Code.
/// The first time they are fetched from DB, the other ones from in-memory cache.
/// </summary>
/// <returns>an empty set if any error occurred; the default properties names and values otherwise</returns>
public static HashSet <string> GetDefaultPropertiesItems(this IPropertiesRepository repo)
{
if (repo == null)
{
return(new HashSet <string>());
}
if (s_defPropertyItemsSet == null)
{
//init default properties if needed:
Dictionary <string, List <string> > defPropertyValues = repo.GetDefaultPropertiesValues();
//fill all the list with the proper values:
s_defPropertyItemsSet = new HashSet <string>(defPropertyValues.Keys, new IgnoreCaseComparer());
foreach (string key in defPropertyValues.Keys)
{
s_defPropertyItemsSet.UnionWith(defPropertyValues[key]);
}
}
return(s_defPropertyItemsSet);
}
