private void FillQueryStrings(RestRequest request, RestInfo info, object[] args)
{
if (info.QueryStringInfos != null)
{
foreach (var qs in info.QueryStringInfos)
{
if (qs.ArgPosition == -1)
{
var value = qs.Converter != null?qs.Converter.Convert(qs.DefaultValue) : qs.DefaultValue;
request.AddQueryParameter(qs.Name, value.ToString());
}
else if (qs.DefaultValue != args[qs.ArgPosition] || !qs.IgnoreIfDefault)
{
var value = args[qs.ArgPosition];
if (value is IEnumerable <object> )
{
foreach (var v in value as IEnumerable <object> )
{
request.AddParameter(qs.Name, v.ToString());
}
}
else
{
if (qs.Converter != null)
{
value = qs.Converter.Convert(value);
}
request.AddQueryParameter(qs.Name, value.ToString());
}
}
}
}
}
private void FillUrlSegments(RestRequest request, RestInfo info, object[] args)
{
if (info.UrlSegmentInfos != null)
{
foreach (var urlSegment in info.UrlSegmentInfos)
{
request.AddUrlSegment(urlSegment.Name, args[urlSegment.ArgPosition]);
}
}
}
private void FillPostBody(RestRequest request, RestInfo info, object[] args)
{
if (info.PostInfos != null)
{
foreach (var p in info.PostInfos)
{
if (p.IsFile)
{
if (args[p.ArgPosition] is IEnumerable <string> )
{
var files = args[p.ArgPosition] as IEnumerable <string>;
foreach (var file in files)
{
request.AddFile(p.Name, file);
}
}
else
{
request.AddFile(p.Name, args[p.ArgPosition].ToString());
}
}
else if (p.ArgPosition == -1)
{
var value = p.Converter != null?p.Converter.Convert(p.DefaultValue) : p.DefaultValue;
request.AddParameter(p.Name, value.ToString());
}
else if (p.DefaultValue != args[p.ArgPosition] || !p.IgnoreIfDefault)
{
var value = args[p.ArgPosition];
if (p.Converter != null)
{
value = p.Converter.Convert(value);
}
if (value is IEnumerable <object> )
{
foreach (var v in value as IEnumerable <object> )
{
request.AddParameter(p.Name, v.ToString());
}
}
else
{
request.AddParameter(p.Name, value);
}
}
}
}
}
private void FillHeaders(RestRequest request, RestInfo info, object[] args)
{
if (info.HeaderInfos != null)
{
foreach (var headerInfo in info.HeaderInfos)
{
var template = new string(headerInfo.Template);
foreach (var tuple in headerInfo.ArgPositions)
{
template = template.Replace(WrapWithVariableChars(tuple.Item1), args[tuple.Item2].ToString());
}
request.AddHeader(headerInfo.Name, template);
}
}
}
private void Initialize(T decorated)
{
if (decorated == null)
{
throw new ArgumentNullException(nameof(decorated));
}
_decorated = decorated;
restClient = new RestClient(_decorated.ServiceRoot);
// 以下的都是用来解析各种 Attribute，将信息存到 methodMap 里
var headerAttributeType = typeof(RequestHeaderAttribute);
var restAttributeType = typeof(RestAttribute);
var forHeaderAttributeType = typeof(ForHeaderAttribute);
var forQueryStringAttributeType = typeof(ForQueryStringAttribute);
var forParameterAttributeType = typeof(ForParameterAttribute);
var forUrlSegmentAttributeType = typeof(ForUrlSegmentAttribute);
var destructAttributeType = typeof(DestructureAttribute);
var methods = _decorated.GetType().GetMethods();
foreach (var method in methods)
{
if (!(method.GetCustomAttribute <RestAttribute>() is RestAttribute restAttribute))
{
continue;
}
var methodInfo = new RestInfo();
methodInfo.HttpMethod = restAttribute.Method;
methodInfo.UrlTemplate = restAttribute.Template;
methodInfo.IsAbsoluteUrl = restAttribute.IsAbsoluteUrl;
methodInfo.IsAsync = IsAsyncMethod(method);
var headerAttributes = method.GetCustomAttributes <RequestHeaderAttribute>();
var parameterInfos = method.GetParameters();
if (headerAttributes.Any())
{
methodInfo.HeaderInfos = headerAttributes.Select(
h => new HeaderInfo
{
Name = h.Key,
Template = h.ValueTemplate,
ArgPositions = ParseRouteFormat(h.ValueTemplate).Select(
s => parameterInfos.Where(pi => pi.Name == s).First()
).Select(pi => new Tuple <string, int>(pi.Name, pi.Position)).ToArray()
}
).ToArray();
}
var i = 0;
var paramInfos = new List <ParamInfo>();
var postInfos = new List <PostInfo>();
var urlSegmentInfos = new List <ParamInfo>();
var methodPostInfos = method.GetCustomAttributes <ForParameterAttribute>();
if (methodPostInfos != null && methodPostInfos.Any())
{
foreach (var pp in methodPostInfos)
{
postInfos.Add(new PostInfo
{
Name = pp.Name,
ArgPosition = -1,
IsFile = false,
IgnoreIfDefault = false,
DefaultValue = pp.Value,
Converter = pp.ConverterType != null ? Activator.CreateInstance(pp.ConverterType) as ISeafileValueConverter : null
});
}
}
var methodParamInfos = method.GetCustomAttributes <ForQueryStringAttribute>();
if (methodParamInfos != null && methodParamInfos.Any())
{
foreach (var p in methodParamInfos)
{
paramInfos.Add(new ParamInfo
{
Name = p.Name,
ArgPosition = -1,
IgnoreIfDefault = false,
DefaultValue = p.Value,
Converter = p.ConverterType != null ? Activator.CreateInstance(p.ConverterType) as ISeafileValueConverter : null
});
}
}
foreach (var pi in parameterInfos)
{
if (pi.GetCustomAttribute(forParameterAttributeType) is ForParameterAttribute pp)
{
postInfos.Add(new PostInfo
{
Name = pp.Name ?? pi.Name,
ArgPosition = i,
IsFile = pp.IsFile,
IgnoreIfDefault = pp.IgnoreIfDefault,
DefaultValue = pi.DefaultValue,
Converter = pp.ConverterType != null ? Activator.CreateInstance(pp.ConverterType) as ISeafileValueConverter : null
});
}
if (pi.GetCustomAttribute(forQueryStringAttributeType) is ForQueryStringAttribute pq)
{
paramInfos.Add(new ParamInfo
{
Name = pq.Name ?? pi.Name,
ArgPosition = i,
IgnoreIfDefault = pq.IgnoreIfDefault,
DefaultValue = pi.DefaultValue,
Converter = pq.ConverterType != null ? Activator.CreateInstance(pq.ConverterType) as ISeafileValueConverter : null
});;
}
if (pi.GetCustomAttribute(forUrlSegmentAttributeType) is ForUrlSegmentAttribute pu)
{
urlSegmentInfos.Add(new ParamInfo
{
Name = pu.Name ?? pi.Name,
ArgPosition = i
});
}
i++;
}
methodInfo.PostInfos = postInfos.ToArray();
methodInfo.QueryStringInfos = paramInfos.ToArray();
methodInfo.UrlSegmentInfos = urlSegmentInfos.ToArray();
methodMap.Add(method.Name, methodInfo);
var destructureAttribute = method.GetCustomAttribute(destructAttributeType) as DestructureAttribute;
if (destructureAttribute != null)
{
var dictType = typeof(Dictionary <,>);
Type[] types = { typeof(string), method.ReturnType };
var tempType = dictType.MakeGenericType(types);
var propertyInfo = tempType.GetProperty("Item");
destructureMap.Add(method.Name, new DestructureInfo
{
Key = destructureAttribute.Key,
Type = tempType,
ItemsProp = propertyInfo
});
}
}
}
