static byte[] BuildSwaggerJson(SwaggerOptions options, IDictionary <string, object> environment, RegisteredHandlersInfo handlersInfo)
{
try
{
if (options.XmlDocumentPath != null && !File.Exists(options.XmlDocumentPath))
{
return(Encoding.UTF8.GetBytes("Xml doesn't exists at " + options.XmlDocumentPath));
}
var xDocLookup = (options.XmlDocumentPath != null)
? BuildXmlCommentStructure(options.XmlDocumentPath)
: null;
var doc = new SwaggerDocument();
doc.swagger = "2.0";
doc.info = options.Info;
doc.host = (options.CustomHost != null) ? options.CustomHost(environment) : environment.AsRequestHeaders()["Host"][0];
doc.basePath = options.ApiBasePath;
doc.schemes = new[] { environment.AsRequestScheme() };
doc.paths = new Dictionary <string, PathItem>();
foreach (var item in handlersInfo.RegisteredHandlers)
{
XmlCommentStructure xmlComment = null;
if (xDocLookup != null)
{
xmlComment = xDocLookup[Tuple.Create(item.Value.ClassName, item.Value.MethodName)].FirstOrDefault();
}
var parameters = item.Value.Parameters
.Select(x =>
{
var parameterXmlComment = x.ParameterType.Name;
if (xmlComment != null)
{
xmlComment.Parameters.TryGetValue(x.Name, out parameterXmlComment);
parameterXmlComment = x.ParameterType.Name + " " + parameterXmlComment;
}
var defaultValue = x.DefaultValue;
if (defaultValue != null && x.ParameterType.IsEnum)
{
defaultValue = (options.IsEmitEnumAsString)
? defaultValue.ToString()
: Convert.ChangeType(defaultValue, Enum.GetUnderlyingType(defaultValue.GetType()));
}
var items = (x.ParameterTypeIsArray)
? new Items {
type = TypeToType(x.ParameterType.GetElementType())
}
: null;
object[] enums = null;
if (x.ParameterType.IsEnum || (x.ParameterType.IsArray && x.ParameterType.GetElementType().IsEnum))
{
var enumType = (x.ParameterType.IsEnum) ? x.ParameterType : x.ParameterType.GetElementType();
var enumValues = Enum.GetValues(enumType).Cast <object>()
.Select(v =>
{
return((options.IsEmitEnumAsString)
? v.ToString()
: Convert.ChangeType(v, Enum.GetUnderlyingType(enumType)));
})
.ToArray();
if (x.ParameterType.IsArray)
{
items.@enum = enumValues;
}
else
{
enums = enumValues;
}
}
return(new Parameter
{
name = x.Name,
@in = item.Value.AcceptVerbs.HasFlag(AcceptVerbs.Get) ? "query" : "formData",
type = TypeToType(x.ParameterType),
description = parameterXmlComment,
required = !x.IsOptional,
@default = (x.IsOptional) ? defaultValue : null,
items = items,
@enum = enums,
collectionFormat = "multi"
});
})
.ToArray();
var operation = new Operation
{
tags = new[] { item.Value.ClassName },
summary = (xmlComment != null) ? xmlComment.Summary : "",
description = (xmlComment != null) ? xmlComment.Remarks : "",
parameters = parameters
};
doc.paths.Add(item.Key, CreatePathItem(item.Value.AcceptVerbs, operation));
}
using (var ms = new MemoryStream())
{
var serializer = new DataContractJsonSerializer(typeof(SwaggerDocument), new DataContractJsonSerializerSettings
{
SerializeReadOnlyTypes = true,
UseSimpleDictionaryFormat = true
});
serializer.WriteObject(ms, doc);
return(ms.ToArray());
}
}
catch (Exception ex)
{
return(Encoding.UTF8.GetBytes(ex.ToString()));
}
}
public LightNodeSwaggerMiddleware(AppFunc next, SwaggerOptions options)
{
this.next = next;
this.options = options;
}
public LightNodeSwaggerMiddleware(RequestDelegate next, SwaggerOptions options)
{
this.next = next;
this.options = options;
}