/// <summary>
/// Create a resource listing
/// </summary>
/// <param name="actionContext">Current controller context</param>
/// <param name="includeResourcePath">Should the resource path property be included in the response</param>
/// <returns>A resrouce listing</returns>
public static ResourceListing CreateResourceListing(HttpControllerContext controllerContext, bool includeResourcePath = false)
{
Uri uri = controllerContext.Request.RequestUri;
var loadAssembly = System.Configuration.ConfigurationManager.AppSettings["swagger:APIAseembly"];
var version = Assembly.GetCallingAssembly().GetType().Assembly.GetName().Version.ToString();
if (!string.IsNullOrEmpty(loadAssembly))
{
version = Assembly.Load(loadAssembly).GetName().Version.ToString();
}
ResourceListing rl = new ResourceListing()
{
apiVersion = version,
swaggerVersion = SWAGGER_VERSION,
basePath = uri.GetLeftPart(UriPartial.Authority) + HttpRuntime.AppDomainAppVirtualPath.TrimEnd('/'),
apis = new List <ResourceApi>()
};
if (includeResourcePath)
{
rl.resourcePath = controllerContext.ControllerDescriptor.ControllerName;
}
return(rl);
}
private static ResourceApiModel AddModelApiResponse(ResourceListing r, string targetTypeName)
{
if (!r.models.ContainsKey(targetTypeName))
{
var model = new ResourceApiModel();
model.id = targetTypeName;
model.properties = new Dictionary <string, ResourceApiModelProperty>();
var p = new ResourceApiModelProperty();
p.type = "bool";
p.description = "Indicates whether the API call is success or not";
model.properties.Add("Success", p);
p = new ResourceApiModelProperty();
p.type = "string";
p.description = "Additional message for API result";
model.properties.Add("Message", p);
p = new ResourceApiModelProperty();
p.type = "Exception";
p.description = "In case catch an exception";
model.properties.Add("Exception", p);
r.models.TryAdd(targetTypeName, model);
return(model);
}
else
{
return(null);
}
}
private static void AddModelDataObject(ResourceListing r, Type type, List <Type> queue)
{
if (!r.models.ContainsKey(type.Name))
{
var model = new ResourceApiModel();
model.id = type.Name;
model.properties = new Dictionary <string, ResourceApiModelProperty>();
foreach (var pi in type.GetProperties())
{
var ignore = pi.GetCustomAttribute <System.Runtime.Serialization.IgnoreDataMemberAttribute>();
if (ignore != null)
{
continue;
}
var p = new ResourceApiModelProperty();
switch (pi.PropertyType.Name)
{
case "List`1":
var dataObjType = pi.PropertyType.GetGenericArguments()[0];
AddTypeToProcessQueue(r, dataObjType, queue);
p.type = "Array";
var items = new Dictionary <string, string>();
items.Add("$ref", dataObjType.Name);
p.items = items;
break;
case "Nullable`1":
var dd = pi.PropertyType.GetGenericArguments()[0];
p.type = dd.Name;
AddTypeToProcessQueue(r, dd, queue);
break;
case "Dictionary`2":
p.type = string.Format("Array[{0},{1}]"
, pi.PropertyType.GetGenericArguments()[0].Name
, pi.PropertyType.GetGenericArguments()[1].Name);
break;
default:
p.type = pi.PropertyType.Name;
AddTypeToProcessQueue(r, pi.PropertyType, queue);
break;
}
//get description from xml
p.description = GetDocumentation(pi);
if (string.IsNullOrWhiteSpace(p.description))
{
p.description = NODESCRIPTION;
}
if (!model.properties.ContainsKey(pi.Name))
{
model.properties.Add(pi.Name, p);
}
//check if this is a nested data obj type, put into queue if yes
}
r.models.TryAdd(type.Name, model);
}
}
/// <summary>
/// Get the resource description of the api for swagger documentation
/// </summary>
/// <remarks>It is very convenient to have this information available for generating clients. This is the entry point for the swagger UI
/// </remarks>
/// <returns>JSON document representing structure of API</returns>
public HttpResponseMessage Get(int type = 1)
{
var docProvider = (XmlCommentDocumentationProvider)GlobalConfiguration.Configuration.Services.GetDocumentationProvider();
ResourceListing r = SwaggerGen.CreateResourceListing(ControllerContext);
List <string> uniqueControllers = new List <string>();
foreach (var api in GlobalConfiguration.Configuration.Services.GetApiExplorer().ApiDescriptions)
{
string controllerName = api.ActionDescriptor.ControllerDescriptor.ControllerName;
if (uniqueControllers.Contains(controllerName) ||
controllerName.ToUpper().Equals(SwaggerGen.SWAGGER.ToUpper()) ||
controllerName.ToLower().StartsWith("abp")
)
{
continue;
}
uniqueControllers.Add(controllerName);
//添加API
ResourceApi rApi = SwaggerGen.CreateResourceApi(api);
r.apis.Add(rApi);
}
HttpResponseMessage resp = new HttpResponseMessage();
resp.Content = new ObjectContent <ResourceListing>(r, ControllerContext.Configuration.Formatters.JsonFormatter);
return(resp);
}
private ResourceListing getDocs(HttpActionContext actionContext)
{
var assemblyType = (actionContext.ActionDescriptor as ReflectedHttpActionDescriptor).MethodInfo.DeclaringType;
var docProvider = new XmlCommentDocumentationProvider(); //(XmlCommentDocumentationProvider)GlobalConfiguration.Configuration.Services.GetDocumentationProvider();
ResourceListing r = SwaggerGen.CreateResourceListing(actionContext);
foreach (var api in GlobalConfiguration.Configuration.Services.GetApiExplorer().ApiDescriptions)
{
if (api.ActionDescriptor.ActionName.EndsWith("API"))//Ignore each Default API action
{
continue;
}
string apiControllerName = api.ActionDescriptor.ControllerDescriptor.ControllerName;
if (api.Route.Defaults.ContainsKey(SwaggerGen.SWAGGER) ||
apiControllerName.ToUpper().Equals(SwaggerGen.SWAGGER.ToUpper()))
{
continue;
}
// Make sure we only report the current controller docs
if (!apiControllerName.Equals(actionContext.ControllerContext.ControllerDescriptor.ControllerName))
{
continue;
}
ResourceApi rApi = SwaggerGen.CreateResourceApi(api);
r.apis.Add(rApi);
ResourceApiOperation rApiOperation = SwaggerGen.CreateResourceApiOperation(r, api, docProvider);
rApi.operations.Add(rApiOperation);
foreach (var param in api.ParameterDescriptions)
{
ResourceApiOperationParameter parameter = SwaggerGen.CreateResourceApiOperationParameter(r, api, param, docProvider);
rApiOperation.parameters.Add(parameter);
}
if (System.Configuration.ConfigurationManager.AppSettings["swagger:APITOKEN"] != null &&
System.Configuration.ConfigurationManager.AppSettings["swagger:APITOKEN"].Equals("true") &&
!api.ActionDescriptor.ActionName.EndsWith("API"))
{
//添加Token
ResourceApiOperationParameter p = new ResourceApiOperationParameter();
p.name = "ApiToken";
p.description = "Api Token";
p.paramType = "path";
p.required = true;
p.dataType = "String";
rApiOperation.parameters.Insert(0, p);
}
SwaggerGen.CreateModel(r, api, docProvider);
//r.models = new ResourceApiModel();
}
return(r);
}
private static void AddTypeToProcessQueue(ResourceListing r, Type type, List <Type> queue)
{
if (!queue.Contains(type) && //already in queue
!r.models.ContainsKey(type.Name) &&//already handled
!IsExceptType(type)) //only process Data Object
{
queue.Add(type);
}
}
/// <summary>
/// Creates an api operation
/// </summary>
/// <param name="api">Description of the api via the ApiExplorer</param>
/// <param name="docProvider">Access to the XML docs written in code</param>
/// <returns>An api operation</returns>
public static ResourceApiOperation CreateResourceApiOperation(ResourceListing r, ApiDescription api, XmlCommentDocumentationProvider docProvider)
{
ResourceApiOperation rApiOperation = new ResourceApiOperation()
{
httpMethod = api.HttpMethod.ToString(),
nickname = docProvider.GetNickname(api.ActionDescriptor),
responseClass = docProvider.GetResponseClass(api.ActionDescriptor),
summary = docProvider.GetDocumentation(api.ActionDescriptor),
notes = docProvider.GetNotes(api.ActionDescriptor),
parameters = new List <ResourceApiOperationParameter>(),
};
if (string.IsNullOrEmpty(rApiOperation.notes) || rApiOperation.notes.Equals("No Documentation Found."))
{
rApiOperation.notes = rApiOperation.summary;
}
return(rApiOperation);
}
/// <summary>
/// Creates an operation parameter
/// </summary>
/// <param name="api">Description of the api via the ApiExplorer</param>
/// <param name="param">Description of a parameter on an operation via the ApiExplorer</param>
/// <param name="docProvider">Access to the XML docs written in code</param>
/// <returns>An operation parameter</returns>
public static ResourceApiOperationParameter CreateResourceApiOperationParameter(ResourceListing r, ApiDescription api, ApiParameterDescription param, XmlCommentDocumentationProvider docProvider)
{
string paramType = (param.Source.ToString().Equals(FROMURI)) ? QUERY : BODY;
var dataType = param.ParameterDescriptor.ParameterType.Name;
switch (dataType)
{
case "List`1":
var dataObjType = param.ParameterDescriptor.ParameterType.GetGenericArguments()[0];
dataType = string.Format("Array[{0}]", dataObjType.Name);
break;
case "Nullable`1":
var dd = param.ParameterDescriptor.ParameterType.GetGenericArguments()[0];
dataType = dd.Name;
break;
case "Dictionary`2":
dataType = string.Format("Array[{0},{1}]", param.ParameterDescriptor.ParameterType.GetGenericArguments()[0].Name,
param.ParameterDescriptor.ParameterType.GetGenericArguments()[1].Name);
break;
default:
if (!IsExceptType(param.ParameterDescriptor.ParameterType))
{
AddModelDataObject(r, param.ParameterDescriptor.ParameterType);
}
break;
}
ResourceApiOperationParameter parameter = new ResourceApiOperationParameter()
{
paramType = (paramType == "query" && api.RelativePath.IndexOf("{" + param.Name + "}") > -1) ? PATH : paramType,
name = param.Name,
description = param.Name.Equals("sessionKey") ? "Login session" : (string.IsNullOrWhiteSpace(param.Documentation) ? NODESCRIPTION : param.Documentation),
dataType = dataType,
required = docProvider.GetRequired(param.ParameterDescriptor)
};
return(parameter);
}
public static void CreateModel(ResourceListing r, ApiDescription api, XmlCommentDocumentationProvider docProvider)
{
if (r.models == null)
{
r.models = new ConcurrentDictionary <string, object>();
}
ReflectedHttpActionDescriptor reflectedActionDescriptor = api.ActionDescriptor as ReflectedHttpActionDescriptor;
if (reflectedActionDescriptor != null)
{
//this function will be called generating swagger API json
//limitations
//-only generating swagger models (API return type documentation) for return type is ApiResponse
//--most calls fall into these 3 categories:
//--ApiResponse<PageData<T>>
//--ApiResponse<T>
//--ApiResponse<T> where T is simple type such as object, string, int, etc.
//-only generate detail when T is DataObject
//implementation notes
//-get the actual T
//--when T is DataObject, add into a queue (i.e. a FIFO Stack) for next step processing
//-loop until queue is empty
//--process (add model details) for the first item in queue, remove it after processed
//--during the processing, if found any property is type of DataObject, add the nested type into queue
//-the reason to use a while loop with a queue is to avoid using recursive implementation which will throw a stack-overflow exception when it's too many nested types
var returnType = reflectedActionDescriptor.MethodInfo.ReturnType;
List <Type> queue = new List <Type>();//process queue
AddTypeToProcessQueue(r, returnType, queue);
//parameter handling
var parameters = reflectedActionDescriptor.MethodInfo.GetParameters();
if (parameters != null && parameters.Length > 0)
{
foreach (var p in parameters)
{
if (p.ParameterType.IsGenericType)
{
var dataObjType = p.ParameterType.GetGenericArguments()[0];
AddTypeToProcessQueue(r, dataObjType, queue);
}
else
{
AddTypeToProcessQueue(r, p.ParameterType, queue);
}
}
}
if (returnType.IsGenericType)
{
Type[] types = returnType.GetGenericArguments();
if (types[0].Name.Equals("PageData`1"))
{
var dataObjType = types[0].GetGenericArguments()[0];
AddTypeToProcessQueue(r, dataObjType, queue);
//ApiResponse_PageData_xxxxx
var model = AddModelApiResponse(r, "ApiResponse_PageData_" + dataObjType.Name);
if (model != null)
{
var p = new ResourceApiModelProperty();
p.type = "Array";
p.description = "Page data set";
var items = new Dictionary <string, string>();
items.Add("$ref", "PageData_" + dataObjType.Name);
p.items = items;
model.properties.Add("Results", p);
}
if (!r.models.ContainsKey("PageData_" + dataObjType.Name))
{
model = new ResourceApiModel();
model.id = "PageData_" + dataObjType.Name;
model.properties = new Dictionary <string, ResourceApiModelProperty>();
var p = new ResourceApiModelProperty();
p.type = "int";
p.description = "total no of qualified data";
model.properties.Add("TotalRecords", p);
p = new ResourceApiModelProperty();
p.type = "bool";
p.description = "whether has next page";
model.properties.Add("HasNextPage", p);
p = new ResourceApiModelProperty();
p.type = "int";
p.description = "curent page index, start from 0";
model.properties.Add("PageIndex", p);
p = new ResourceApiModelProperty();
p.type = "int";
p.description = "how many records in one page";
model.properties.Add("PageSize", p);
p = new ResourceApiModelProperty();
p.type = "Array";
p.description = "A page of data";
var items = new Dictionary <string, string>();
items.Add("$ref", dataObjType.Name);
p.items = items;
model.properties.Add("Results", p);
r.models.TryAdd("PageData_" + dataObjType.Name, model);
}
}
else if (returnType.Name.Equals("Page`1"))
{
var dataObjType = types[0];
AddTypeToProcessQueue(r, dataObjType, queue);
var paging = returnType.GetProperty("Paging");
if (paging != null)
{//add paging type manually
AddTypeToProcessQueue(r, paging.PropertyType, queue);
}
//Page_xxxxx
if (!r.models.ContainsKey("Page_" + dataObjType.Name))
{
var model = new ResourceApiModel();
model.id = "Page_" + dataObjType.Name;
model.properties = new Dictionary <string, ResourceApiModelProperty>();
var p = new ResourceApiModelProperty();
p.type = "Paging";
p.description = "Paging info";
model.properties.Add("Paging", p);
p = new ResourceApiModelProperty();
p.type = "Array";
p.description = "A page of data";
var items = new Dictionary <string, string>();
items.Add("$ref", dataObjType.Name);
p.items = items;
model.properties.Add("Records", p);
r.models.TryAdd("Page_" + dataObjType.Name, model);
}
}
else
{
var dataObjType = types[0];
AddTypeToProcessQueue(r, dataObjType, queue);
}
}
//process queue
while (queue.Count > 0)
{
var type = queue[0];
AddModelDataObject(r, queue[0], queue);
queue.Remove(type);
}
}
}
