/// <summary>
/// Binds the model to a value by using the specified controller context and binding context.
/// </summary>
/// <param name="actionContext">The action context.</param>
/// <param name="bindingContext">The binding context.</param>
/// <returns>
/// The bound value.
/// </returns>
public bool BindModel(HttpActionContext actionContext, ModelBindingContext bindingContext)
{
Debug.Assert(bindingContext.ModelType == typeof(ActionEventArgs));
string args = GetStringValue(bindingContext.ValueProvider, bindingContext.ModelName);
if (args != null)
{
string salt = GetStringValue(bindingContext.ValueProvider, "salt");
var model = ActionEventConverter.DecodeActionEvent(args, salt);
if (model != null)
{
bindingContext.Model = model;
return(true);
}
}
return(false);
}
/// <summary>
/// Replaces all the placeholders using the specified source object.
/// </summary>
/// <param name="template">The template to parse.</param>
/// <param name="accessors">The accessor functions.</param>
/// <param name="options">A set of key/value pairs that can be used to configure the HTML compiler.</param>
/// <returns></returns>
private string ReplaceAll(string template, ImmutableDictionary <string, object> options, ImmutableDictionary <string, ObjectDescriptor> accessors)
{
Debug.Assert(template != null);
Debug.Assert(options != null);
Debug.Assert(accessors != null);
object temp;
var hasContactId = options.TryGetValue(IdentityIdProperty, out temp);
var contactId = hasContactId ? (int?)temp : null;
template = s_exprRegex.Replace(template, match =>
{
if (match.Groups.Count >= 3)
{
string type = match.Groups[1].Value;
string value = match.Groups[2].Value;
int actionLinkId;
if (type.Equals("#a", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out actionLinkId))
{
return(ActionEventConverter.ActionLink(new ActionEventArgs(ObjectType.Action, actionLinkId, contactId)));
}
ObjectDescriptor descriptor;
if (accessors.TryGetValue(type, out descriptor))
{
Func <object, object> accessor;
if (descriptor.Instance != null && descriptor.Accessors.TryGetValue(value, out accessor))
{
return(accessor(descriptor.Instance)?.ToString() ?? string.Empty);
}
return(string.Empty);
}
}
return(string.Empty);
});
if (hasContactId)
{
template = ActionLinkService.ReplaceLinks(template, p => p.ContactId = contactId);
}
return(template);
}
