/// <summary>
/// Need to deal with the legacy way of storing pre-values and turn them into nice values for the editor
/// </summary>
/// <param name="defaultPreVals"></param>
/// <param name="persistedPreVals"></param>
/// <returns></returns>
public override IDictionary<string, object> ConvertDbToEditor(IDictionary<string, object> defaultPreVals, PreValueCollection persistedPreVals)
{
var preVals = persistedPreVals.FormatAsDictionary();
var stringVal = preVals.Any() ? preVals.First().Value.Value : "";
var returnVal = new Dictionary<string, object> { { "min", 0 }, { "max", 0 } };
if (stringVal.IsNullOrWhiteSpace() == false)
{
try
{
var json = JsonConvert.DeserializeObject<JObject>(stringVal);
if (json["Minimum"] != null)
{
//by default pre-values are sent out with an id/value pair
returnVal["min"] = json["Minimum"].Value<int>();
}
if (json["Maximum"] != null)
{
returnVal["max"] = json["Maximum"].Value<int>();
}
}
catch (Exception e)
{
//this shouldn't happen unless there's already a bad formatted pre-value
LogHelper.WarnWithException<MultipleTextStringPreValueEditor>("Could not deserialize value to json " + stringVal, e);
return returnVal;
}
}
return returnVal;
}
/// <summary>
/// The editor is expecting a json array for a field with a key named "items" so we need to format the persisted values
/// to this format to be used in the editor.
/// </summary>
/// <param name="defaultPreVals"></param>
/// <param name="persistedPreVals"></param>
/// <returns></returns>
public override IDictionary<string, object> ConvertDbToEditor(IDictionary<string, object> defaultPreVals, PreValueCollection persistedPreVals)
{
var dictionary = persistedPreVals.FormatAsDictionary();
var arrayOfVals = dictionary.Select(item => item.Value).ToList();
//the items list will be a dictionary of it's id -> value we need to use the id for persistence for backwards compatibility
return new Dictionary<string, object> { { "items", arrayOfVals.ToDictionary(x => x.Id, x => x.Value) } };
}
/// <summary>
/// Format the persisted value to work with our multi-val editor.
/// </summary>
/// <param name="defaultPreVals"></param>
/// <param name="persistedPreVals"></param>
/// <returns></returns>
public override IDictionary<string, object> ConvertDbToEditor(IDictionary<string, object> defaultPreVals, PreValueCollection persistedPreVals)
{
var result = new Dictionary<string, object>();
//the pre-values just take up one field with a semi-colon delimiter so we'll just parse
var dictionary = persistedPreVals.FormatAsDictionary();
if (dictionary.Any())
{
//there should only be one val
var delimited = dictionary.First().Value.Value.Split(new[] {';'}, StringSplitOptions.RemoveEmptyEntries);
for (var index = 0; index < delimited.Length; index++)
{
result.Add(index.ToInvariantString(), delimited[index]);
}
}
//the items list will be a dictionary of it's id -> value we need to use the id for persistence for backwards compatibility
return new Dictionary<string, object> { { "items", result } };
}
