Question

在RKGist示例应用程序之后，我设法通过RestKit让我的API与Core Data同步。

这仅适用于一个具有关联的模型;我正在尝试添加额外的路线，但却无法使其正常工作。

AppDelegate.m

- (void)setupRestKit
{
    // ...
    RKResponseDescriptor *responseDescriptor = [RKResponseDescriptor responseDescriptorWithMapping:[JGMappingProvider personMapping]
                                                                                            method:RKRequestMethodGET
                                                                                       pathPattern:@"people"
                                                                                           keyPath:@"response"
                                                                                       statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)];

    [objectManager addResponseDescriptor:responseDescriptor];



    responseDescriptor = [RKResponseDescriptor responseDescriptorWithMapping:[JGMappingProvider companyMapping]
                                                                      method:RKRequestMethodGET
                                                                 pathPattern:@"companies"
                                                                     keyPath:@"response"
                                                                 statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)];

    [objectManager addResponseDescriptor:responseDescriptor];


    // add some routes
    [[RKObjectManager sharedManager].router.routeSet addRoute:[RKRoute routeWithName:@"approve_company" pathPattern:@"companies/:companyId/approve" method:RKRequestMethodPUT]];

    ...
}

JGMappingProvider.m

+ (RKMapping *)companyMapping
{
    RKEntityMapping *mapping = [RKEntityMapping mappingForEntityForName:@"Company"
                                                          inManagedObjectStore:[[RKObjectManager sharedManager] managedObjectStore]];

    [mapping addAttributeMappingsFromDictionary:@{
                                                         @"id":             @"companyId",
                                                         @"name":           @"name",
                                                         @"looking_for":    @"lookingFor",
                                                         @"location":       @"location",
                                                         @"updated_at":     @"updatedAt",
                                                         @"created_at":     @"createdAt"}];

    mapping.identificationAttributes = @[ @"companyId" ];

    [mapping addPropertyMapping:[RKRelationshipMapping relationshipMappingFromKeyPath:@"person" toKeyPath:@"person" withMapping:[self personMapping]]];

    return mapping;

}

+ (RKMapping *)personMapping
{
    RKEntityMapping *mapping = [RKEntityMapping mappingForEntityForName:@"Person"
                                                         inManagedObjectStore:[[RKObjectManager sharedManager] managedObjectStore]];


    [mapping addAttributeMappingsFromDictionary:@{
                                                        @"name":           @"name",
                                                        @"nickname":       @"nickname",
                                                        @"id":             @"personId",
                                                        @"email":          @"email"}];

    mapping.identificationAttributes = @[ @"personId" ];

    return mapping;
}

@end

一切正常。但是，当我尝试添加一些额外的路线时......

ViewController.m

- (void)approve
{
    NSMutableURLRequest *request = [[RKObjectManager sharedManager] requestWithPathForRouteNamed:@"approve_company" object:_company parameters:nil];
    [self sendRequestWithSharedManager:request];
}

- (void)reject
{
    NSMutableURLRequest *request = [[RKObjectManager sharedManager] requestWithPathForRouteNamed:@"reject_company" object:_company parameters:nil];
    [self sendRequestWithSharedManager:request];
}

- (void)sendRequestWithSharedManager:(NSMutableURLRequest *)request {
    RKObjectRequestOperation* operation = [[RKObjectManager sharedManager] objectRequestOperationWithRequest:(NSURLRequest *)request success:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult) {
        NSLog(@"success!");
    } failure:^(RKObjectRequestOperation *operation, NSError *error) {
        NSLog(@"%@", [error description]);
    }];


    operation.targetObject = nil; // this was suggested in a tutorial, has no affect

    NSLog(@"Requested %@", [operation.HTTPRequestOperation.request.URL description]); // this is the correct URL, all the time

    [[RKObjectManager sharedManager] enqueueObjectRequestOperation:operation];
}

大部分时间都失败了。具体来说，前两个请求似乎失败了 - 根本没有点击我的服务器（我在服务器端有一些断点要调试），但是在第三个请求它完全正常工作。

< S>

我很困惑 - 如果它第三次运作，那么可能会设置正确的东西？

~~以下是日志 - 它们有点混乱＆amp;我真的不知道我在找什么。 https://gist.github.com/jongd/d28b5f58a901270999f2/raw/839f1b529538ab1814a49350c33b0057cb5b98fc/logger.txt~~

Ahah - 结果是/正在/击中我的服务器，日志错误。小学生错误 - 抱歉。

我仍然遇到无法正确设置响应描述符的问题 - 我可以获得一些帮助吗？

[RKResponseDescriptor responseDescriptorWithMapping:[JGMappingProvider companyMapping]
                                             method:RKRequestMethodPUT
                                        pathPattern:@"companies/:companyId/approve"
                                            keyPath:@"response"
                                        statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)];

我似乎无法让pathPattern匹配 - 理想情况下我会有一个匹配公司的通配符/：companyId / approve＆amp;公司/：companyId / reject但我在文档中看不到如何做到这一点。

为愚蠢的问题道歉！

编辑：完成！我在用 responseDescriptorWithMapping: method: pathPattern: keyPath: statusCodes: - 让它全部使用（已弃用？） responseDescriptorWithMapping: pathPattern: keyPath: statusCodes:

Answer 1

首先，你确定你没有点击服务器 - 根据你的日志它似乎到达服务器：

'http://localhost:1313/api/1/companies/19/approve' (200 OK / 0 objects) [request=1.0492s mapping=0.0000s total=1.0514s]

您的第二个RKResponseDescriptor（公司名称）未正确设置似乎存在问题。

您是否可以尝试不重用本地变量responseDescriptor来创建和传递第二个RKResponseDescriptor。

Answer 2

我假设您的基本网址为http://localhost:1313/api/1/。

您的所有3个请求都有一个网址：'http://localhost:1313/api/1/companies/19/approve' RestKit记录"No response descriptors match the response loaded."。这意味着在所有响应描述符中，没有一个具有匹配companies/19/approve的路径模式。你需要一个。

第3个请求没有成功使用任何映射...所有3个请求确实命中了服务器（并且您可以在日志中看到响应内容。

请记住，路由是用于创建请求路径的。通常通过属性注入（因此注入companies/19/approve的路径19）。

响应描述符仅通过它们使用请求路径模式链接到路由。无论何时发出请求，您都需要一个与该请求匹配的响应描述符。（nil的响应描述符路径模式匹配所有内容。）

如何向RestKit +核心数据添加PUT请求？

2 个答案: