public RequestBody(RestValue content, ContentType contentType)
: base(contentType)
{
content.AssertNotNull(nameof(content));
Content = content;
}
private Maybe <RestValue> GetPropertyValue(RestValue sourceValue, BindingPath bindingPath, int pathIndex)
{
if (sourceValue.IsNull)
{
return(Maybe.Nothing <RestValue>());
}
var propertyName = bindingPath[pathIndex];
var propertyInfo = sourceValue.Type.GetProperty(propertyName);
if (propertyInfo == null)
{
throw new ArgumentException($"Invalid property name '{propertyName}'", nameof(bindingPath));
}
var value = propertyInfo.GetValue(sourceValue.Value, null);
var modelValue = new RestValue(value, propertyInfo.PropertyType);
if (pathIndex + 1 == bindingPath.Length)
{
return(modelValue);
}
return(GetPropertyValue(modelValue, bindingPath, pathIndex + 1));
}
string IRestValueFormatter.Serialize(RestValue value, CultureInfo cultureInfo)
{
var valueType = value.Type;
if (!typeof(T).IsAssignableFrom(valueType) || valueType.IsInstanceOfType(value))
{
throw new ArgumentException("Invalid value type"); //TODO msg
}
return(Serialize((T)value.Value, cultureInfo));
}
public override string Serialize(RestValue value, CultureInfo cultureInfo)
{
var formatter = ValueFormatters.FirstOrDefault(x => x.CanSerialize(value));
if (formatter == null)
{
throw new RestException(RestExceptionKind.Serialization, $"Value '{value.Type}' formatter not found"); //TODO msg
}
return(formatter.Serialize(value, cultureInfo));
}
byte[] IRestContentFormatter.Serialize(ContentType contentType, RestValue value)
{
var valueType = value.Type;
if (!typeof(T).IsAssignableFrom(valueType) || valueType.IsInstanceOfType(value))
{
throw new ArgumentException("Invalid value type"); //TODO msg
}
return(Serialize(contentType, (T)value.Value));
}
public RequestFormField(string name, RestValue content, MimeType mediaType)
{
content.AssertNotNull(nameof(content));
name.AssertNotNullOrEmpty(nameof(name));
mediaType.AssertNotNull(nameof(mediaType));
Name = name;
Content = content;
MediaType = mediaType;
}
private string FormatQueryValue(RestValue value, CultureInfo cultureInfo)
{
var stringValue = RestSerializer.SerializeQueryValue(value, cultureInfo);
if (stringValue == null)
{
return(null);
}
return(Uri.EscapeDataString(stringValue));
}
public virtual byte[] SerializeContent(ContentType contentType, RestValue value)
{
var formatter = ContentFormatters.FirstOrDefault(x => x.CanSerialize(contentType, value));
if (formatter == null)
{
throw new RestException(RestExceptionKind.Serialization, $"Content '{value.Type}' formatter not found for media type '{contentType.MediaType}'");
}
return(formatter.Serialize(contentType, value));
}
public virtual string SerializeRouteValue(RestValue value, CultureInfo cultureInfo)
{
var formatter = RequestRouteValueFormatters.FirstOrDefault(x => x.CanSerialize(value));
if (formatter == null)
{
throw new RestException(RestExceptionKind.Serialization, $"Route value '{value.Type}' formatter not found");
}
return(formatter.Serialize(value, cultureInfo));
}
public void AddValue(string sourceName, RestValue value)
{
sourceName.AssertNotNull(nameof(sourceName));
value.AssertNotNull(nameof(value));
if (_values == null)
{
_values = new Dictionary <string, RestValue>();
}
_values.Add(sourceName, value);
}
public string Serialize(RestValue value, CultureInfo cultureInfo)
{
var type = Nullable.GetUnderlyingType(value.Type);
var typeValue = new RestValue(value.Value, type);
var formatter = ValueFormatters.FirstOrDefault(x => x.CanSerialize(typeValue));
if (formatter == null)
{
throw new RestException(RestExceptionKind.Serialization, $"Value '{value.Type}' formatter not found"); //TODO msg
}
return(formatter.Serialize(typeValue, cultureInfo));
}
public bool CanSerialize(RestValue value)
{
var type = Nullable.GetUnderlyingType(value.Type);
if (type == null)
{
return(false);
}
var typeValue = new RestValue(value.Value, type);
return(ValueFormatters.Any(x => x.CanSerialize(typeValue)));
}
private IRestRequest GetRequest(MethodMetadata methodMetadata, object[] args)
{
var bindingSource = new ModelBindingSource();
foreach (var parameter in methodMetadata.MethodInfo.GetParameters())
{
var parameterValue = new RestValue(args[parameter.Position], parameter.ParameterType);
bindingSource.AddValue(parameter.Name, parameterValue);
}
return(_modelMapper.MapRequest(methodMetadata.Request, bindingSource));
}
public string Serialize(RestValue value, CultureInfo cultureInfo)
{
var v = value.Value;
if (v == null)
{
return(null);
}
else if (v is string s)
{
return(s);
}
else if (v is IFormattable formattable)
{
return(formattable.ToString(null, cultureInfo));
}
return(v.ToString());
}
public bool TryGetValue(string sourceName, BindingPath propertyPath, out RestValue value)
{
sourceName.AssertNotNull(nameof(sourceName));
if (_values != null && _values.TryGetValue(sourceName, out var entry))
{
if (propertyPath.IsEmpty)
{
value = entry;
return(true);
}
var propertyValue = GetPropertyValue(entry, propertyPath, 0);
if (propertyValue.HasValue)
{
value = propertyValue.Value;
return(true);
}
}
value = null;
return(false);
}
public abstract string Serialize(RestValue value, CultureInfo cultureInfo);
public bool CanSerialize(RestValue value)
{
return(true);
}
bool IRestContentFormatter.CanSerialize(ContentType contentType, RestValue value) => value.Type == typeof(T) && CanSerialize(contentType, (T)value.Value);
private static IEnumerable <T> Bind <T>(RequestParameterMetadata parameter, RestValue source, Func <string, RestValue, T> factory)
{
var name = parameter.ParameterName;
if (source.Value == null)
{
yield break;
}
if (source.Value is T t)
{
if (parameter.EmitDefault.GetValueOrDefault() || !Equals(t, default(T)))
{
yield return(t);
}
}
else if (source.Value is IEnumerable <T> tList)
{
foreach (var value in tList)
{
if (parameter.EmitDefault.GetValueOrDefault() || !Equals(value, default(T)))
{
yield return(value);
}
}
}
else if (source.Value is KeyValuePair <string, string> pair)
{
//TODO check for not null name
yield return(factory(name ?? pair.Key, RestValue.Create(pair.Value)));
}
else if (source.Value is IEnumerable <KeyValuePair <string, string> > pairs)
{
var result = pairs.Select(x => factory(name ?? pair.Key, RestValue.Create(x.Value)));
foreach (var value in result)
{
yield return(value);
}
}
else if (source.Value is NameValueCollection nmcol)
{
var result = nmcol.Keys.OfType <string>().SelectMany(n => nmcol.GetValues(n).Select(v => factory(n, RestValue.Create(v))));
foreach (var value in result)
{
yield return(value);
}
}
else if (source.Value is string str)
{
if (parameter.EmitDefault.GetValueOrDefault() || str != null)
{
yield return(factory(name, RestValue.Create(str)));
}
}
else if (source.Value is IEnumerable <string> strList)
{
foreach (var p in strList.Select(x => factory(name, RestValue.Create(x))))
{
yield return(p);
}
}
else if (source.Type.IsArray)
{
var elementType = source.Type.GetElementType();
foreach (var el in (Array)source.Value)
{
yield return(factory(name, new RestValue(el, elementType)));
}
}
else
{
//var value = source.Value == null ? null : ConvertToString(parameter, source.Value);
//if (parameter.EmitDefault.GetValueOrDefault() || value != null)
yield return(factory(name, source));
}
}
public override bool CanSerialize(RestValue value)
{
return(ValueFormatters.Any(x => x.CanSerialize(value)));
}
protected virtual void BindParameter(IRequestBindingContext bindingContext, RequestParameterMetadata param, RestValue sourceValue)
{
if (param.ParameterKind == RequestParameterKind.Route)
{
var segments = Bind(param, sourceValue, (n, v) => new RequestRouteSegment(n, v));
foreach (var segment in segments)
{
bindingContext.AddRouteSegment(segment);
}
}
else if (param.ParameterKind == RequestParameterKind.Header)
{
var headers = Bind(param, sourceValue, (n, v) => new RequestHeader(n, v));
foreach (var header in headers)
{
bindingContext.AddHeader(header);
}
}
else if (param.ParameterKind == RequestParameterKind.Query)
{
var queries = Bind(param, sourceValue, (n, v) => new RequestQuery(n, v));
if (param.StringFormat != null) //TODO костыль
{
foreach (var query in queries.Where(x => !x.Content.IsNull)) //TODO filter at source level
{
var value = (IFormattable)query.Content.Value;
var formattedValue = value.ToString(param.StringFormat, bindingContext.CultureInfo);
bindingContext.AddQuery(new RequestQuery(query.Name, RestValue.Create(formattedValue)));
}
}
else
{
foreach (var query in queries.Where(x => !x.Content.IsNull)) //TODO filter at source level
{
bindingContext.AddQuery(query);
}
}
}
else if (param.ParameterKind.In(RequestParameterKind.Body, RequestParameterKind.FormField, RequestParameterKind.FormFile))
{
if (bindingContext.BindingSource.TryGetValue(param.BindingSourceName, param.BindingPath, out var contentValue))
{
if (param.ParameterKind == RequestParameterKind.Body)
{
var contentMediaType = param.MediaType ?? MimeTypes.Application.Json; //TODO
var contentType = new ContentType(contentMediaType, DefaultEncodingProvider.Encoding.WebName); //TODO charset
bindingContext.Body = new RequestBody(contentValue, contentType);
}
else if (param.ParameterKind == RequestParameterKind.FormField)
{
var field = new RequestFormField(param.ParameterName, contentValue, param.MediaType ?? DefaultMediaTypeProvider.MediaType);
bindingContext.AddFormField(field);
}
else if (param.ParameterKind == RequestParameterKind.FormFile)
{
throw new NotImplementedException();
//var file = new RequestFormFile(contentValue, param.ParameterName)
//{
// FileName = param.FileName,
//};
//bindingContext.AddFormField(field);
}
else
{
throw new NotImplementedException();
}
}
else if (param.IsRequired)
{
throw new RestException(RestExceptionKind.Mapping, "req param missed");//TODO msg
}
}
else
{
throw new NotImplementedException(param.ParameterKind.ToString()); //TODO msg
}
//TODO mark parameter as valid
}
public abstract bool CanSerialize(RestValue value);
bool IRestValueFormatter.CanSerialize(RestValue value) => value.Type == typeof(T) && CanSerialize((T)value.Value);