/// <summary>
/// Initializes a new instance of the <see cref="T:Ceen.Mvc.Controller.MethodEntry"/> struct.
/// </summary>
/// <param name="method">The method to wrap.</param>
/// <param name="variables">The variables to include</param>
public MethodEntry(MethodInfo method, IEnumerable <KeyValuePair <string, bool> > variables)
{
Method = method;
ArgumentCount = method.GetParameters().Length;
var urlargs = (variables ?? new KeyValuePair <string, bool> [0]).ToLookup(x => x.Key, x => x.Value);
var i = 0;
Parameters = Method
.GetParameters()
.Select(par =>
{
var name_attr = par.GetCustomAttributes(typeof(NameAttribute), false).Cast <NameAttribute>().FirstOrDefault();
var name = name_attr == null || string.IsNullOrWhiteSpace(name_attr.Name) ? par.Name : name_attr.Name;
var par_attr = par.GetCustomAttributes(typeof(ParameterAttribute), false).Cast <ParameterAttribute>().FirstOrDefault();
ParameterSource source;
bool optional;
if (par_attr == null)
{
if (urlargs.Contains(name))
{
source = ParameterSource.Url;
optional = urlargs[name].First();
}
else
{
source = ParameterSource.Default;
optional = par.HasDefaultValue;
}
}
else
{
source = par_attr.Source;
optional = !par_attr.Required;
if (!string.IsNullOrWhiteSpace(par_attr.Name))
{
name = par_attr.Name;
}
}
var pe = new ParameterEntry(par, name, source, !optional, i);
i++;
return(pe);
})
.ToArray();;
}
/// <summary>
/// Applies the argument to the value list.
/// </summary>
/// <param name="entry">The argument entry.</param>
/// <param name="method">The method to apply to.</param>
/// <param name="value">The argument value.</param>
/// <param name="values">The list of values to process.</param>
private static void ApplyArgument(MethodInfo method, ParameterEntry entry, string value, object[] values)
{
var argtype = method.GetParameters()[entry.ArgumentIndex].ParameterType;
try
{
if (argtype.IsPrimitive || argtype.IsEnum || argtype == typeof(string))
{
values[entry.ArgumentIndex] = Convert.ChangeType(value, argtype);
}
else
{
Newtonsoft.Json.JsonConvert.DeserializeObject(value, argtype);
}
}
catch (Exception)
{
throw new HttpException(HttpStatusCode.BadRequest, $"The value \"{value}\" for {entry.Name} is not a valid {argtype.Name.ToLower()}");
}
}
