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{{>partial_header}}
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.IO;
{{^netStandard}}
{{^supportsUWP}}
using System.Web;
{{/supportsUWP}}
{{/netStandard}}
using System.Linq;
using System.Net;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters;
using System.Text;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using RestSharp;
using RestSharp.Deserializers;
using ErrorEventArgs = Newtonsoft.Json.Serialization.ErrorEventArgs;
using RestSharpMethod = RestSharp.Method;
namespace {{packageName}}.Client
{
///
/// Allows RestSharp to Serialize/Deserialize JSON using our custom logic, but only when ContentType is JSON.
///
internal class CustomJsonCodec : RestSharp.Serializers.ISerializer, RestSharp.Deserializers.IDeserializer
{
private readonly IReadableConfiguration _configuration;
private readonly JsonSerializer _serializer;
private string _contentType = "application/json";
private readonly JsonSerializerSettings _serializerSettings = new JsonSerializerSettings
{
// OpenAPI generated types generally hide default constructors.
ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor,
ContractResolver = new DefaultContractResolver
{
NamingStrategy = new CamelCaseNamingStrategy()
{
OverrideSpecifiedNames = true
}
}
};
public CustomJsonCodec(IReadableConfiguration configuration)
{
_configuration = configuration;
_serializer = JsonSerializer.Create(_serializerSettings);
}
public CustomJsonCodec(JsonSerializerSettings serializerSettings, IReadableConfiguration configuration)
{
_serializerSettings = serializerSettings;
_serializer = JsonSerializer.Create(_serializerSettings);
_configuration = configuration;
}
public string Serialize(object obj)
{
String result = JsonConvert.SerializeObject(obj, _serializerSettings);
return result;
}
public T Deserialize(IRestResponse response)
{
var result = (T) Deserialize(response, typeof(T));
return result;
}
///
/// Deserialize the JSON string into a proper object.
///
/// The HTTP response.
/// Object type.
/// Object representation of the JSON string.
internal object Deserialize(IRestResponse response, Type type)
{
IList headers = response.Headers;
if (type == typeof(byte[])) // return byte array
{
return response.RawBytes;
}
// TODO: ? if (type.IsAssignableFrom(typeof(Stream)))
if (type == typeof(Stream))
{
if (headers != null)
{
var filePath = String.IsNullOrEmpty(_configuration.TempFolderPath)
? Path.GetTempPath()
: _configuration.TempFolderPath;
var regex = new Regex(@"Content-Disposition=.*filename=['""]?([^'""\s]+)['""]?$");
foreach (var header in headers)
{
var match = regex.Match(header.ToString());
if (match.Success)
{
string fileName = filePath + ClientUtils.SanitizeFilename(match.Groups[1].Value.Replace("\"", "").Replace("'", ""));
File.WriteAllBytes(fileName, response.RawBytes);
return new FileStream(fileName, FileMode.Open);
}
}
}
var stream = new MemoryStream(response.RawBytes);
return stream;
}
if (type.Name.StartsWith("System.Nullable`1[[System.DateTime")) // return a datetime object
{
return DateTime.Parse(response.Content, null, System.Globalization.DateTimeStyles.RoundtripKind);
}
if (type == typeof(String) || type.Name.StartsWith("System.Nullable")) // return primitive type
{
return ClientUtils.ConvertType(response.Content, type);
}
// at this point, it must be a model (json)
try
{
return JsonConvert.DeserializeObject(response.Content, type, _serializerSettings);
}
catch (Exception e)
{
throw new ApiException(500, e.Message);
}
}
public string RootElement { get; set; }
public string Namespace { get; set; }
public string DateFormat { get; set; }
public string ContentType
{
get { return _contentType; }
set { throw new InvalidOperationException("Not allowed to set content type."); }
}
}
{{! NOTE: Any changes related to RestSharp should be done in this class. All other client classes are for extensibility by consumers.}}
///
/// Provides a default implementation of an Api client (both synchronous and asynchronous implementatios),
/// encapsulating general REST accessor use cases.
///
{{>visibility}} partial class ApiClient : ISynchronousClient{{#supportsAsync}}, IAsynchronousClient{{/supportsAsync}}
{
private readonly String _baseUrl;
///
/// Allows for extending request processing for generated code.
///
/// The RestSharp request object
partial void InterceptRequest(IRestRequest request);
///
/// Allows for extending response processing for generated code.
///
/// The RestSharp request object
/// The RestSharp response object
partial void InterceptResponse(IRestRequest request, IRestResponse response);
///
/// Initializes a new instance of the , defaulting to the global configurations' base url.
///
public ApiClient()
{
_baseUrl = {{packageName}}.Client.GlobalConfiguration.Instance.BasePath;
}
///
/// Initializes a new instance of the
///
/// The target service's base path in URL format.
///
public ApiClient(String basePath)
{
if (String.IsNullOrEmpty(basePath))
throw new ArgumentException("basePath cannot be empty");
_baseUrl = basePath;
}
///
/// Constructs the RestSharp version of an http method
///
/// Swagger Client Custom HttpMethod
/// RestSharp's HttpMethod instance.
///
private RestSharpMethod Method(HttpMethod method)
{
RestSharpMethod other;
switch (method)
{
case HttpMethod.Get:
other = RestSharpMethod.GET;
break;
case HttpMethod.Post:
other = RestSharpMethod.POST;
break;
case HttpMethod.Put:
other = RestSharpMethod.PUT;
break;
case HttpMethod.Delete:
other = RestSharpMethod.DELETE;
break;
case HttpMethod.Head:
other = RestSharpMethod.HEAD;
break;
case HttpMethod.Options:
other = RestSharpMethod.OPTIONS;
break;
case HttpMethod.Patch:
other = RestSharpMethod.PATCH;
break;
default:
throw new ArgumentOutOfRangeException("method", method, null);
}
return other;
}
///
/// Provides all logic for constructing a new RestSharp .
/// At this point, all information for querying the service is known. Here, it is simply
/// mapped into the RestSharp request.
///
/// The http verb.
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// [private] A new RestRequest instance.
///
private RestRequest newRequest(
HttpMethod method,
String path,
RequestOptions options,
IReadableConfiguration configuration)
{
if (path == null) throw new ArgumentNullException("path");
if (options == null) throw new ArgumentNullException("options");
if (configuration == null) throw new ArgumentNullException("configuration");
RestRequest request = new RestRequest(Method(method))
{
Resource = path,
JsonSerializer = new CustomJsonCodec(configuration)
};
if (options.PathParameters != null)
{
foreach (var pathParam in options.PathParameters)
{
request.AddParameter(pathParam.Key, pathParam.Value, ParameterType.UrlSegment);
}
}
if (options.QueryParameters != null)
{
foreach (var queryParam in options.QueryParameters)
{
foreach (var value in queryParam.Value)
{
request.AddQueryParameter(queryParam.Key, value);
}
}
}
if (options.HeaderParameters != null)
{
foreach (var headerParam in options.HeaderParameters)
{
foreach (var value in headerParam.Value)
{
request.AddHeader(headerParam.Key, value);
}
}
}
if (options.FormParameters != null)
{
foreach (var formParam in options.FormParameters)
{
request.AddParameter(formParam.Key, formParam.Value);
}
}
if (options.Data != null)
{
if (options.HeaderParameters != null)
{
var contentTypes = options.HeaderParameters["Content-Type"];
if (contentTypes == null || contentTypes.Any(header => header.Contains("application/json")))
{
request.RequestFormat = DataFormat.Json;
}
else
{
// TODO: Generated client user should add additional handlers. RestSharp only supports XML and JSON, with XML as default.
}
}
else
{
// Here, we'll assume JSON APIs are more common. XML can be forced by adding produces/consumes to openapi spec explicitly.
request.RequestFormat = DataFormat.Json;
}
request.AddBody(options.Data);
}
if (options.FileParameters != null)
{
foreach (var fileParam in options.FileParameters)
{
var bytes = ClientUtils.ReadAsBytes(fileParam.Value);
var fileStream = fileParam.Value as FileStream;
if (fileStream != null)
FileParameter.Create(fileParam.Key, bytes, System.IO.Path.GetFileName(fileStream.Name));
else
FileParameter.Create(fileParam.Key, bytes, "no_file_name_provided");
}
}
if (options.Cookies != null && options.Cookies.Count > 0)
{
foreach (var cookie in options.Cookies)
{
request.AddCookie(cookie.Name, cookie.Value);
}
}
return request;
}
private ApiResponse toApiResponse({{#supportsAsync}}IRestResponse response{{/supportsAsync}}{{^supportsAsync}}IRestResponse response, CustomJsonCodec des{{/supportsAsync}})
{
T result = {{#supportsAsync}}response.Data{{/supportsAsync}}{{^supportsAsync}}(T)des.Deserialize(response, typeof(T)){{/supportsAsync}};
var transformed = new ApiResponse(response.StatusCode, new Multimap(), result)
{
ErrorText = response.ErrorMessage,
Cookies = new List()
};
if (response.Headers != null)
{
foreach (var responseHeader in response.Headers)
{
transformed.Headers.Add(responseHeader.Name, ClientUtils.ParameterToString(responseHeader.Value));
}
}
if (response.Cookies != null)
{
foreach (var responseCookies in response.Cookies)
{
transformed.Cookies.Add(
new Cookie(
responseCookies.Name,
responseCookies.Value,
responseCookies.Path,
responseCookies.Domain)
);
}
}
return transformed;
}
private {{#supportsAsync}}async Task>{{/supportsAsync}}{{^supportsAsync}}ApiResponse{{/supportsAsync}} Exec(RestRequest req, IReadableConfiguration configuration)
{
RestClient client = new RestClient(_baseUrl);
client.ClearHandlers();
var existingDeserializer = req.JsonSerializer as IDeserializer;
if (existingDeserializer != null)
{
client.AddHandler(existingDeserializer, "application/json", "text/json", "text/x-json", "text/javascript", "*+json");
}
else
{
var codec = new CustomJsonCodec(configuration);
client.AddHandler(codec, "application/json", "text/json", "text/x-json", "text/javascript", "*+json");
}
client.AddHandler(new XmlDeserializer(), "application/xml", "text/xml", "*+xml", "*");
client.Timeout = configuration.Timeout;
if (configuration.UserAgent != null)
{
client.UserAgent = configuration.UserAgent;
}
InterceptRequest(req);
{{#supportsAsync}}
var response = await client.ExecuteTaskAsync(req);
{{/supportsAsync}}
{{^supportsAsync}}
var response = client.Execute(req);
{{/supportsAsync}}
InterceptResponse(req, response);
var result = toApiResponse(response{{^supportsAsync}}, codec{{/supportsAsync}});
if (response.ErrorMessage != null)
{
result.ErrorText = response.ErrorMessage;
}
if (response.Cookies != null && response.Cookies.Count > 0)
{
if(result.Cookies == null) result.Cookies = new List();
foreach (var restResponseCookie in response.Cookies)
{
var cookie = new Cookie(
restResponseCookie.Name,
restResponseCookie.Value,
restResponseCookie.Path,
restResponseCookie.Domain
)
{
Comment = restResponseCookie.Comment,
CommentUri = restResponseCookie.CommentUri,
Discard = restResponseCookie.Discard,
Expired = restResponseCookie.Expired,
Expires = restResponseCookie.Expires,
HttpOnly = restResponseCookie.HttpOnly,
Port = restResponseCookie.Port,
Secure = restResponseCookie.Secure,
Version = restResponseCookie.Version
};
result.Cookies.Add(cookie);
}
}
return result;
}
{{#supportsAsync}}
#region IAsynchronousClient
///
/// Make a HTTP GET request (async).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public async Task> GetAsync(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
var config = configuration ?? GlobalConfiguration.Instance;
return await Exec(newRequest(HttpMethod.Get, path, options, config), config);
}
///
/// Make a HTTP POST request (async).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public async Task> PostAsync(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
var config = configuration ?? GlobalConfiguration.Instance;
return await Exec(newRequest(HttpMethod.Post, path, options, config), config);
}
///
/// Make a HTTP PUT request (async).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public async Task> PutAsync(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
var config = configuration ?? GlobalConfiguration.Instance;
return await Exec(newRequest(HttpMethod.Put, path, options, config), config);
}
///
/// Make a HTTP DELETE request (async).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public async Task> DeleteAsync(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
var config = configuration ?? GlobalConfiguration.Instance;
return await Exec(newRequest(HttpMethod.Delete, path, options, config), config);
}
///
/// Make a HTTP HEAD request (async).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public async Task> HeadAsync(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
var config = configuration ?? GlobalConfiguration.Instance;
return await Exec(newRequest(HttpMethod.Head, path, options, config), config);
}
///
/// Make a HTTP OPTION request (async).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public async Task> OptionsAsync(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
var config = configuration ?? GlobalConfiguration.Instance;
return await Exec(newRequest(HttpMethod.Options, path, options, config), config);
}
///
/// Make a HTTP PATCH request (async).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public async Task> PatchAsync(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
var config = configuration ?? GlobalConfiguration.Instance;
return await Exec(newRequest(HttpMethod.Patch, path, options, config), config);
}
#endregion IAsynchronousClient
{{/supportsAsync}}
#region ISynchronousClient
///
/// Make a HTTP GET request (synchronous).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public ApiResponse Get(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
{{#supportsAsync}}
return GetAsync(path, options, configuration).Result;
{{/supportsAsync}}
{{^supportsAsync}}
var config = configuration ?? GlobalConfiguration.Instance;
return Exec(newRequest(HttpMethod.Get, path, options, config), config);
{{/supportsAsync}}
}
///
/// Make a HTTP POST request (synchronous).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public ApiResponse Post(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
{{#supportsAsync}}
return PostAsync(path, options, configuration).Result;
{{/supportsAsync}}
{{^supportsAsync}}
var config = configuration ?? GlobalConfiguration.Instance;
return Exec(newRequest(HttpMethod.Post, path, options, config), config);
{{/supportsAsync}}
}
///
/// Make a HTTP PUT request (synchronous).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public ApiResponse Put(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
{{#supportsAsync}}
return PutAsync(path, options, configuration).Result;
{{/supportsAsync}}
{{^supportsAsync}}
var config = configuration ?? GlobalConfiguration.Instance;
return Exec(newRequest(HttpMethod.Put, path, options, config), config);
{{/supportsAsync}}
}
///
/// Make a HTTP DELETE request (synchronous).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public ApiResponse Delete(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
{{#supportsAsync}}
return DeleteAsync(path, options, configuration).Result;
{{/supportsAsync}}
{{^supportsAsync}}
var config = configuration ?? GlobalConfiguration.Instance;
return Exec(newRequest(HttpMethod.Delete, path, options, config), config);
{{/supportsAsync}}
}
///
/// Make a HTTP HEAD request (synchronous).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public ApiResponse Head(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
{{#supportsAsync}}
return HeadAsync(path, options, configuration).Result;
{{/supportsAsync}}
{{^supportsAsync}}
var config = configuration ?? GlobalConfiguration.Instance;
return Exec(newRequest(HttpMethod.Head, path, options, config), config);
{{/supportsAsync}}
}
///
/// Make a HTTP OPTION request (synchronous).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public ApiResponse Options(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
{{#supportsAsync}}
return OptionsAsync(path, options, configuration).Result;
{{/supportsAsync}}
{{^supportsAsync}}
var config = configuration ?? GlobalConfiguration.Instance;
return Exec(newRequest(HttpMethod.Options, path, options, config), config);
{{/supportsAsync}}
}
///
/// Make a HTTP PATCH request (synchronous).
///
/// The target path (or resource).
/// The additional request options.
/// A per-request configuration object. It is assumed that any merge with
/// GlobalConfiguration has been done before calling this method.
/// A Task containing ApiResponse
public ApiResponse Patch(string path, RequestOptions options, IReadableConfiguration configuration = null)
{
{{#supportsAsync}}
return PatchAsync(path, options, configuration).Result;
{{/supportsAsync}}
{{^supportsAsync}}
var config = configuration ?? GlobalConfiguration.Instance;
return Exec(newRequest(HttpMethod.Patch, path, options, config), config);
{{/supportsAsync}}
}
#endregion ISynchronousClient
}
}
