public static MetadataPlainObjects.Fields Generate(MappingRule mappingRule, ApiDescription apiDescription, object originalObject)
{
var fromBodyParameterType = (from param in mappingRule.MethodExpression.Method.GetParameters()
let fromBodyAttr = param.GetCustomAttribute<FromBodyAttribute>()
where fromBodyAttr != null
select param.ParameterType).FirstOrDefault();
if (fromBodyParameterType == null)
return GenerateFromGet(mappingRule, apiDescription, originalObject);
var result = new MetadataPlainObjects.Fields();
result.AddRange(from property in fromBodyParameterType.GetProperties()
let fieldName = GetFieldName(property)
let propVal = property.GetValue(originalObject)
let jsonIgnore = property.GetCustomAttribute<JsonIgnoreAttribute>()
where jsonIgnore == null
select new MetadataPlainObjects.Field
{
FieldName = fieldName,
FieldType = GetFieldType(property),
FieldValue = propVal == null ? null : propVal.ToString()
});
return result;
}
public List<string> Build(MappingRule mappingRule, string method)
{
if (mappingRule.Names.Any())
return mappingRule.Names;
return _defaultRouteNameBuilder.Value.Build(mappingRule, method);
}
public void TestSubstitution()
{
var sub = new DefaultRouteValueSubstitution();
Expression<Func<ControllerSample, ModelSample, ModelSample>> lambda = (c, m)
=> c.ControllerMethod(m.Id, m.Name, QueryParameter.Is<string>(), QueryParameter.Is<int>());
var methodCallExpression = (MethodCallExpression)lambda.Body;
var apiExplorerMoq = new Mock<IApiExplorer>();
apiExplorerMoq.Setup(_ => _.ApiDescriptions).Returns(new Collection<ApiDescription>()
{
new ApiDescription()
{
}
});
var mr = new MappingRule(methodCallExpression, apiExplorerMoq.Object);
var payload = new ModelSample()
{
Id = 1,
Name = "test &?{}<>",
Price = 3.2
};
var result = sub.Substitute("/Product/{id}/Details?query={query}&skip={skip}&displayname={name}", mr, payload);
Assume.That(result, Is.EqualTo("/Product/1/Details?query=:query&skip=:skip&displayname=test+%26%3f%7b%7d%3c%3e"));
}
public void TestFromBody()
{
var sub = new DefaultRouteValueSubstitution();
Expression<Func<ControllerSample, ModelSample, ModelSample>> lambda = (c, m)
=> c.ControllerMethodPut(m.Id, m);
var methodCallExpression = (MethodCallExpression)lambda.Body;
var apiExplorerMoq = new Mock<IApiExplorer>();
apiExplorerMoq.Setup(_ => _.ApiDescriptions).Returns(new Collection<ApiDescription>()
{
new ApiDescription()
{
HttpMethod = HttpMethod.Get
}
});
var mr = new MappingRule(methodCallExpression, apiExplorerMoq.Object);
var payload = _fixture.CreateAnonymous<ModelSample>();
var fields = ActionFieldsGenerator.Generate(mr, apiExplorerMoq.Object.ApiDescriptions[0], payload);
Assume.That(fields, Is.Not.Null);
var names = fields.ConvertAll(f => f.FieldName);
Assume.That(names, Is.EquivalentTo(new[] { "Id", "Name", "Price", "email_address" }));
var types = fields.ConvertAll(f => f.FieldType);
Assume.That(types, Is.EqualTo(new object[]{null, null, null, "email"}));
var values = fields.ConvertAll(f => f.FieldValue);
Assume.That(values, Is.EqualTo(new object[] { payload.Id.ToString(), payload.Name, payload.Price.ToString(), payload.EMailAddress }));
}
public void AddNewRule(Expression expression)
{
var methodExpression = (MethodCallExpression)expression;
var rule = new MappingRule(methodExpression, _httpConfiguration.Services.GetApiExplorer());
ActionConfiguration.AddMappingRule(rule);
}
private static string[] GetClassArray(MappingRule mappingRule)
{
var returnType = mappingRule.MethodExpression.Method.ReturnType;
if (returnType.IsGenericType && typeof(IEnumerable<>).IsAssignableFrom(returnType.GetGenericTypeDefinition()))
{
return new[] { SirenMetadataProvider.QueryClassName };
}
return null;
}
public static List<string> GetRelList(MappingRule mapping, ApiDescription apiDescription, List<string> rels)
{
var result = new List<string>(rels);
var returnType = mapping.MethodExpression.Method.ReturnType;
if (returnType.IsGenericType && typeof(IEnumerable<>).IsAssignableFrom(returnType.GetGenericTypeDefinition()))
result.Add(SirenMetadataProvider.QueryClassName);
return result;
}
public void ReturnHttpresponseAttributedParam()
{
Expression<Func<ControllerSample, ModelSample, HttpResponseMessage>> lambda = (c, m)
=> c.ControllerHttpResponseMessageMethodWithTypeParam(m.Price);
var methodCallExpression = (MethodCallExpression)lambda.Body;
var mappingRule = new MappingRule(methodCallExpression, null);
var result = _routeNameBuilder.Build(mappingRule, "get");
Assume.That(result, Is.EquivalentTo(new[] { "get_string_by_price" }));
}
public void ReturnHttpresponse()
{
Expression<Func<ControllerSample, HttpResponseMessage>> lambda = (c)
=> c.ControllerHttpResponseMessageMethod();
var methodCallExpression = (MethodCallExpression)lambda.Body;
var mappingRule = new MappingRule(methodCallExpression, null);
var result = _routeNameBuilder.Build(mappingRule, "get");
Assume.That(result, Is.EquivalentTo(new[] { "get" }));
}
public void ReturnEnumerable()
{
Expression<Func<ControllerSample, ModelSample, IEnumerable<ModelSample>>> lambda = (c, m)
=> c.ControllerQueryMethod(m.Id, m.Name, m.Name, m.Id);
var methodCallExpression = (MethodCallExpression)lambda.Body;
var mappingRule = new MappingRule(methodCallExpression, null);
var result = _routeNameBuilder.Build(mappingRule, "get");
Assume.That(result, Is.EquivalentTo(new[] { "query_modelsample_by_id_name_query_skip" }));
}
private static string DeduceContentType(MappingRule mappingRule, ApiDescription apiDescription, object originalObject)
{
if (mappingRule.ContentType != null)
return mappingRule.ContentType.MediaType;
if (apiDescription.HttpMethod != HttpMethod.Post)
return null;
//if (IsOrContains(typeof(System.Web.HttpPostedFileBase), originalObject.GetType()))
// return "multipart/form-data";
return "application/x-www-form-urlencoded";
}
public string Substitute(string templateUrl, MappingRule mapping, Object data)
{
var methodParameters = mapping.MethodExpression.Method.GetParameters();
var expressionArguments = mapping.MethodExpression.Arguments.GetEnumerator();
var result = new StringBuilder(templateUrl);
foreach (var methodParameter in methodParameters)
{
expressionArguments.MoveNext();
var parameterTemplateName = string.Format("{{{0}}}", methodParameter.Name);
if (!templateUrl.Contains(parameterTemplateName))
continue;
if (!mapping.ParameterDelegates.ContainsKey(methodParameter.Name))
{
Debug.Write(string.Format("Unable to obtain delegate for parameter {0}, URL: {1}", methodParameter.Name, templateUrl));
continue;
}
var paramDelegate = mapping.ParameterDelegates[methodParameter.Name];
var paramResult = paramDelegate.DynamicInvoke(data);
if (paramResult == null)
{
Debug.Write(string.Format("Unable to get result for parameter {0}, URL: {1}", methodParameter.Name, templateUrl));
continue;
}
var stringResult = paramResult.ToString();
var expressionArgunemt = (expressionArguments.Current as MethodCallExpression);
if (expressionArgunemt != null && expressionArgunemt.Method.DeclaringType == typeof (QueryParameter))
{
result.Replace(parameterTemplateName, stringResult);
}
else
{
result.Replace(parameterTemplateName, HttpUtility.UrlEncode(stringResult));
}
}
return result.ToString();
}
public void Complex()
{
Expression<Func<ControllerSample, ModelSample, ModelSample>> lambda = (test, model)
=> test.ControllerMethod(model.Id, model.Name, QueryParameter.Is<string>(), QueryParameter.Is<int>());
var methodCallExpression = (MethodCallExpression)lambda.Body;
var httpControllerDescriptor = _fixture.CreateAnonymous<HttpControllerDescriptor>();
var apiExplorerMoq = new Mock<IApiExplorer>();
apiExplorerMoq.Setup(_ => _.ApiDescriptions).Returns(new Collection<ApiDescription>()
{
new ApiDescription()
{
ActionDescriptor = new ReflectedHttpActionDescriptor(httpControllerDescriptor, methodCallExpression.Method),
HttpMethod = HttpMethod.Get,
RelativePath = "/api"
}
});
var mappingRule = new MappingRule(methodCallExpression, apiExplorerMoq.Object);
_actionConfiguration.AddMappingRule(mappingRule);
_actionConfiguration.Configure();
var originalType = typeof(ModelSample);
var strategy = _defaultStrategyFactory.Build(_actionConfiguration, originalType);
Assume.That(strategy.ClassKey(originalType), Is.StringContaining("_NHateoas.Tests.ModelSample_SP_SR"));
var typeBuilder = new TypeBuilder(originalType, strategy);
var type = typeBuilder.BuildType();
Assume.That(type.Name, Is.EqualTo(originalType.Name));
Assume.That(type.FullName, Is.StringContaining("_NHateoas.Tests.ModelSample_SP_SR"));
var props = type.GetProperties();
Assume.That(props, Is.Not.Empty);
var propNames = props.ToList().ConvertAll(p => p.Name);
Assume.That(propNames, Is.EquivalentTo(new[] { "Id", "Name", "Price", "EMailAddress", "get_modelsample_by_id_name_query_skip" }));
var propTypes = props.ToList().ConvertAll(p => p.PropertyType.Name);
Assume.That(propTypes, Is.EquivalentTo(new[] { "Int32", "String", "Double", "String", "String" }));
var instance = Activator.CreateInstance(type);
var original = _fixture.CreateAnonymous<ModelSample>();
strategy.ActivateInstance(instance, original, _actionConfiguration);
var propValues = props.ToList().ConvertAll(p => p.GetValue(instance).ToString());
Assume.That(propValues, Is.EquivalentTo(new[] { original.Id.ToString(), original.Name, original.Price.ToString(), original.EMailAddress, "/api" }));
}
public List<string> Build(MappingRule mappingRule, string method)
{
var methodName = method.ToLower();
var name = new StringBuilder();
var actionMethodInfo = mappingRule.MethodExpression.Method;
var returnType = actionMethodInfo.ReturnType;
if (typeof (HttpResponseMessage).IsAssignableFrom(returnType))
{
var attributes = actionMethodInfo.GetCustomAttributes<ResponseTypeAttribute>().ToList();
if (attributes.Any())
{
returnType = attributes.First().ResponseType;
}
}
if (returnType.IsGenericType && typeof (IEnumerable<>).IsAssignableFrom(returnType.GetGenericTypeDefinition()))
{
returnType = returnType.GetGenericArguments()[0];
methodName = "query";
}
name.Append(methodName);
if (returnType != typeof(void) && !returnType.IsAssignableFrom(typeof(HttpResponseMessage)))
name.AppendFormat("_{0}", returnType.Name.ToLower());
var parameters = actionMethodInfo.GetParameters();
if (parameters.Any())
name.AppendFormat("_by");
foreach (var parameterInfo in parameters)
{
if (parameterInfo.GetType() == returnType)
continue;
name.AppendFormat("_{0}", parameterInfo.Name.ToLower());
}
return new List<string> {name.ToString()};
}
public void DefaultCtor()
{
Expression<Func<ControllerSample, int>> lambda = (test) => test.FakeMethod();
var methodCallExpression = (MethodCallExpression) lambda.Body;
var apiExplorerMoq = new Mock<IApiExplorer>();
apiExplorerMoq.Setup(_ => _.ApiDescriptions).Returns(new Collection<ApiDescription>()
{
new ApiDescription()
{
}
});
var mappingRule = new MappingRule(methodCallExpression, apiExplorerMoq.Object);
Assume.That(mappingRule.MethodExpression, Is.EqualTo(methodCallExpression));
Assume.That(mappingRule.ApiDescriptions, Is.Empty);
Assume.That(mappingRule.ParameterDelegates, Is.Empty);
Assume.That(mappingRule.Names, Is.Empty);
Assume.That(mappingRule.Type, Is.EqualTo(MappingRule.RuleType.Default));
}
private static MetadataPlainObjects.Fields GenerateFromGet(MappingRule mappingRule, ApiDescription apiDescription,
object originalObject)
{
if (apiDescription.HttpMethod != HttpMethod.Get)
return null;
var result = new MetadataPlainObjects.Fields();
int argumentCounter = 0;
result.AddRange(
from parameter in mappingRule.MethodExpression.Method.GetParameters()
let isMemberExpression = mappingRule.MethodExpression.Arguments[argumentCounter++] is MemberExpression
where mappingRule.ParameterDelegates.ContainsKey(parameter.Name)
let paramDelegate = mappingRule.ParameterDelegates.ContainsKey(parameter.Name) ? mappingRule.ParameterDelegates[parameter.Name] : null
select new MetadataPlainObjects.Field
{
FieldName = parameter.Name,
FieldValue = (isMemberExpression && paramDelegate != null) ? paramDelegate.DynamicInvoke(originalObject).ToString() : null
});
return result;
}
public void ReturnModel()
{
Expression<Func<ControllerSample, ModelSample, ModelSample>> lambda = (c, m)
=> c.ControllerMethod(m.Id, m.Name, QueryParameter.Is<string>(), QueryParameter.Is<int>());
var methodCallExpression = (MethodCallExpression)lambda.Body;
var mappingRule = new MappingRule(methodCallExpression, null);
var result = _routeNameBuilder.Build(mappingRule, "get");
Assume.That(result, Is.EquivalentTo(new[] { "get_modelsample_by_id_name_query_skip" }));
}
public void MapApiDescription()
{
Expression<Func<ControllerSample, int>> lambda = (test) => test.FakeMethod();
var methodCallExpression = (MethodCallExpression) lambda.Body;
var actionDescriptor =
new ReflectedHttpActionDescriptor(_fixture.CreateAnonymous<HttpControllerDescriptor>(),
methodCallExpression.Method);
var apiExplorerMoq = new Mock<IApiExplorer>();
apiExplorerMoq.Setup(_ => _.ApiDescriptions).Returns(new Collection<ApiDescription>()
{
new ApiDescription()
{
ActionDescriptor = actionDescriptor
}
});
var mappingRule = new MappingRule(methodCallExpression, apiExplorerMoq.Object);
Assume.That(mappingRule.MethodExpression, Is.EqualTo(methodCallExpression));
Assume.That(mappingRule.ApiDescriptions, Is.Not.Empty);
Assume.That(mappingRule.ParameterDelegates, Is.Empty);
Assume.That(mappingRule.Names, Is.Empty);
Assume.That(mappingRule.Type, Is.EqualTo(MappingRule.RuleType.Default));
}
public void TestNotFromBodyNotGet()
{
var sub = new DefaultRouteValueSubstitution();
Expression<Func<ControllerSample, ModelSample, ModelSample>> lambda = (c, m)
=> c.ControllerMethod(m.Id, m.Name, QueryParameter.Is<string>(), QueryParameter.Is<int>());
var methodCallExpression = (MethodCallExpression)lambda.Body;
var apiExplorerMoq = new Mock<IApiExplorer>();
apiExplorerMoq.Setup(_ => _.ApiDescriptions).Returns(new Collection<ApiDescription>()
{
new ApiDescription()
{
}
});
var mr = new MappingRule(methodCallExpression, apiExplorerMoq.Object);
var payload = _fixture.CreateAnonymous<ModelSample>();
var fields = ActionFieldsGenerator.Generate(mr, apiExplorerMoq.Object.ApiDescriptions[0], payload);
Assume.That(fields, Is.Null);
}
public void AddMappingRule(MappingRule rule)
{
_mappingRules.Add(rule);
}
public void AddMappingRule(MappingRule rule)
{
_mappingRules.Add(rule);
}
public void Complex()
{
Expression<Func<ControllerSample, ModelSample, ModelSample>> lambda = (test, model)
=> test.ControllerMethod(model.Id, model.Name, QueryParameter.Is<string>(), QueryParameter.Is<int>());
var methodCallExpression = (MethodCallExpression)lambda.Body;
var httpControllerDescriptor = _fixture.CreateAnonymous<HttpControllerDescriptor>();
Expression<Func<ControllerSample, int>> lambda2 = (test) => test.FakeMethodWithAttribute();
var apiExplorerMoq = new Mock<IApiExplorer>();
apiExplorerMoq.Setup(_ => _.ApiDescriptions).Returns(new Collection<ApiDescription>()
{
new ApiDescription()
{
ActionDescriptor = new ReflectedHttpActionDescriptor(httpControllerDescriptor, methodCallExpression.Method),
HttpMethod = HttpMethod.Get,
RelativePath = "/api"
},
new ApiDescription()
{
ActionDescriptor = new ReflectedHttpActionDescriptor(httpControllerDescriptor, ((MethodCallExpression)lambda2.Body).Method),
HttpMethod = HttpMethod.Post,
RelativePath = "/api/test"
}
});
_actionConfiguration.AddMappingRule(new MappingRule(methodCallExpression, apiExplorerMoq.Object));
var rule = new MappingRule((MethodCallExpression)lambda2.Body, apiExplorerMoq.Object)
{
Type = MappingRule.RuleType.ActionRule
};
rule.Names.Add("action-name");
_actionConfiguration.AddMappingRule(rule);
_actionConfiguration.UseSirenSpecification();
_actionConfiguration.Configure();
var originalType = typeof(ModelSample);
var strategy = _defaultStrategyFactory.Build(_actionConfiguration, originalType);
Assume.That(strategy.ClassKey(originalType), Is.StringContaining("_NHateoas.Tests.ModelSample_PP"));
var typeBuilder = new TypeBuilder(originalType, strategy);
var type = typeBuilder.BuildType();
Assume.That(type.Name, Is.EqualTo(originalType.Name));
Assume.That(type.FullName, Is.StringContaining("_NHateoas.Tests.ModelSample_PP"));
var props = type.GetProperties();
Assume.That(props, Is.Not.Empty);
var propNames = new List<string>();
props.ToList().ForEach(p =>
{ propNames.Add(p.Name);
if (p.PropertyType == typeof(string))
return;
if (p.PropertyType.IsArray && p.PropertyType.GetElementType() == typeof(string))
return;
var pt = (p.PropertyType.BaseType != null && p.PropertyType.BaseType.IsGenericType) ?
p.PropertyType.BaseType.GetGenericArguments()[0] : p.PropertyType;
pt.GetProperties().ToList().ForEach(sp => propNames.Add(sp.Name));
});
Assume.That(propNames, Is.EquivalentTo(new[] { "properties", "Id", "Name", "Price", "EMailAddress", "class", "href","rel", "links", "RelList", "Href", "actions", "ActionName", "Class", "Title", "Method", "Href", "ContentType", "ActionFields" }));
var propTypes = props.Where(p => !p.PropertyType.IsArray && p.PropertyType != typeof(string)).ToList().ConvertAll(p => p.PropertyType.Name);
Assume.That(propTypes, Is.EquivalentTo(new[] { "ModelSample", "Links", "Actions"}));
var instance = Activator.CreateInstance(type);
var original = new ModelSample()
{
Id = 1,
Name = "test",
Price = 3.0,
EMailAddress = "aa.bb@ccc"
};
strategy.ActivateInstance(instance, original, _actionConfiguration);
var result = JsonConvert.SerializeObject(instance);
Assume.That(result, Is.EqualTo("{\"properties\":{\"Id\":1,\"Name\":\"test\",\"Price\":3.0,\"EMailAddress\":\"aa.bb@ccc\"},\"links\":[{\"rel\":[\"get_modelsample_by_id_name_query_skip\"],\"href\":\"http://localhost/api\"}],\"actions\":[{\"name\":\"rel-name\",\"method\":\"POST\",\"href\":\"http://localhost/api/test\",\"type\":\"application/x-www-form-urlencoded\"}]}"));
}
