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gesabo/gist:bcf4d4f7b729e14a3d2dc9249bc8b54e

Last active April 8, 2016 20:35
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Revisions

  1. gesabo revised this gist Apr 8, 2016. 1 changed file with 6 additions and 21 deletions.
    27 changes: 6 additions & 21 deletions gistfile1.txt
    View file
    Original file line number Diff line number Diff line change
    @@ -142,18 +142,19 @@ static NSString * const kPDKPinterestWebOAuthURLString = @"https://api.pinterest
    - (void)silentlyAuthenticateWithSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    [self authenticateWithPermissions:nil silent:YES withSuccess:successBlock andFailure:failureBlock];
    [self authenticateWithPermissions:nil viewController: nil silent:YES withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)authenticateWithPermissions:(NSArray *)permissions
    viewController: (UIViewController *)viewController //MARK ADDED
    viewController: (UIViewController *)viewController
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    [self authenticateWithPermissions:permissions silent:NO withSuccess:successBlock andFailure:failureBlock];
    [self authenticateWithPermissions:permissions viewController: viewController silent:NO withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)authenticateWithPermissions:(NSArray *)permissions
    viewController: (UIViewController *)viewController
    silent:(BOOL)silent
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    @@ -167,7 +168,7 @@ static NSString * const kPDKPinterestWebOAuthURLString = @"https://api.pinterest

    PDKClientFailure localFailureBlock = ^(NSError *error) {
    [SSKeychain deletePasswordForService:PDKPinterestSDK account:PDKPinterestSDKUsername];
    [weakSelf authenticateWithPermissions:permissions withSuccess:successBlock andFailure:failureBlock];
    [weakSelf authenticateWithPermissions:permissions viewController: viewController withSuccess:successBlock andFailure:failureBlock];
    };

    [self inspectToken:cachedToken
    @@ -218,11 +219,6 @@ static NSString * const kPDKPinterestWebOAuthURLString = @"https://api.pinterest
    #if TARGET_OS_IPHONE
    if ([[UIApplication sharedApplication] canOpenURL:oauthURL]) {
    [[UIApplication sharedApplication] openURL:oauthURL];


    //Instantiate SafariViewController here


    } else {
    NSString *redirectURL = [NSString stringWithFormat:@"pdk%@://", self.appId];
    params = @{@"client_id" : self.appId,
    @@ -234,12 +230,6 @@ static NSString * const kPDKPinterestWebOAuthURLString = @"https://api.pinterest
    // open the web oauth
    oauthURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@?%@", kPDKPinterestWebOAuthURLString, [params _PDK_queryStringValue]]];
    [[UIApplication sharedApplication] openURL:oauthURL];



    //Instantiate SafariViewController here


    }
    #else
    NSString *redirectURL = [NSString stringWithFormat:@"pdk%@://", self.appId];
    @@ -252,11 +242,6 @@ static NSString * const kPDKPinterestWebOAuthURLString = @"https://api.pinterest
    // open the web oauth
    oauthURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@?%@", kPDKPinterestWebOAuthURLString, [params _PDK_queryStringValue]]];
    [[NSWorkspace sharedWorkspace] openURL:oauthURL];


    //Instantiate SafariViewController here


    #endif
    } else if (silent && failureBlock) {
    // silent was yes, but we did not have a cached token. that counts as a failure.
    @@ -689,4 +674,4 @@ static NSString * const kPDKPinterestWebOAuthURLString = @"https://api.pinterest
    #endif


    @end
    @end
  2. gesabo created this gist Apr 8, 2016.
    692 changes: 692 additions & 0 deletions gistfile1.txt
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,692 @@
    // Copyright (c) 2015 Pinterest. All rights reserved.
    // Created by Ricky Cancro on 1/28/15.

    #if TARGET_OS_IPHONE
    @import UIKit;
    #endif
    #import "PDKClient.h"

    #import "PDKBoard.h"
    #import "PDKCategories.h"
    #import "PDKPin.h"
    #import "PDKResponseObject.h"
    #import "PDKUser.h"

    #import <SSKeychain/SSKeychain.h>

    NSString * const PDKClientReadPublicPermissions = @"read_public";
    NSString * const PDKClientWritePublicPermissions = @"write_public";
    NSString * const PDKClientReadPrivatePermissions = @"read_private";
    NSString * const PDKClientWritePrivatePermissions = @"write_private";
    NSString * const PDKClientReadRelationshipsPermissions = @"read_relationships";
    NSString * const PDKClientWriteRelationshipsPermissions = @"write_relationships";

    NSString * const kPDKClientBaseURLString = @"https://api.pinterest.com/v1/";

    static NSString * const PDKPinterestSDK = @"pinterestSDK";
    static NSString * const PDKPinterestSDKUsername = @"authenticatedUser";

    static NSString * const PDKPinterestSDKPermissionsKey = @"PDKPinterestSDKPermissionsKey";
    static NSString * const PDKPinterestSDKAppIdKey = @"PDKPinterestSDKAppIdKey";
    static NSString * const PDKPinterestSDKUserIdKey = @"PDKPinterestSDKUserIdKey";

    static NSString * const kPDKPinterestAppOAuthURLString = @"pinterestsdk.v1://oauth/";
    static NSString * const kPDKPinterestWebOAuthURLString = @"https://api.pinterest.com/oauth/";

    @interface PDKClient()
    @property (nonatomic, assign) BOOL configured;
    @property (nonatomic, copy, readwrite) NSString *appId;
    @property (nonatomic, copy) NSString *clientRedirectURLString;
    @property (nonatomic, assign, readwrite) BOOL authorized;
    @property (nonatomic, copy) PDKClientSuccess authenticationSuccessBlock;
    @property (nonatomic, copy) PDKClientFailure authenticationFailureBlock;

    @end

    @implementation PDKClient

    + (instancetype)sharedInstance
    {
    static PDKClient *gClientSDK;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
    gClientSDK = [[[self class] alloc] initWithBaseURL:[NSURL URLWithString:kPDKClientBaseURLString]];
    });
    return gClientSDK;
    }

    + (void)configureSharedInstanceWithAppId:(NSString *)appId
    {
    [[self sharedInstance] setAppId:appId];
    [[self sharedInstance] setClientRedirectURLString:[NSString stringWithFormat:@"pdk%@", appId]];
    [[self sharedInstance] setConfigured:YES];
    }

    - (instancetype)initWithBaseURL:(NSURL *)baseURL
    {
    if (self = [super initWithBaseURL:baseURL]) {
    _configured = NO;
    _authorized = NO;
    }
    return self;
    }

    - (NSString *)appId
    {
    NSAssert(self.configured == YES, @"PDKClient must be configured before use. Call [PDK configureShareInstanceWithAppId:]");
    return _appId;
    }

    - (void)inspectToken:(NSString *)oauthToken
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    [[[self class] sharedInstance] getPath:@"oauth/inspect"
    parameters:@{@"access_token":oauthToken,
    @"token":oauthToken}
    withSuccess:successBlock
    andFailure:failureBlock];


    }

    - (BOOL)verifyTokenDetails:(NSDictionary *)dictionary
    {
    BOOL verified = NO;
    NSDictionary *dataDictionary = dictionary[@"data"];
    if (dataDictionary) {
    NSArray *permissions = dataDictionary[@"scopes"];
    NSNumber *userId = dataDictionary[@"user_id"];

    NSDictionary *appDictionary = dataDictionary[@"app"];
    if (appDictionary) {
    NSNumber *appId = appDictionary[@"id"];

    NSArray *cachedPermissions = [[NSUserDefaults standardUserDefaults] objectForKey:PDKPinterestSDKPermissionsKey];
    NSNumber *cachedAppId = [[NSUserDefaults standardUserDefaults] objectForKey:PDKPinterestSDKAppIdKey];
    NSNumber *cachedUserId = [[NSUserDefaults standardUserDefaults] objectForKey:PDKPinterestSDKUserIdKey];

    permissions = [permissions sortedArrayUsingSelector:@selector(compare:)];
    verified = cachedAppId && cachedPermissions && cachedUserId &&
    [appId isEqualToNumber:cachedAppId] &&
    [permissions isEqualToArray:cachedPermissions] &&
    [userId isEqualToNumber:cachedUserId];
    }
    }

    return verified;
    }

    - (void)recordTokenDetails:(NSDictionary *)dictionary
    {
    NSDictionary *dataDictionary = dictionary[@"data"];
    if (dataDictionary) {
    NSArray *permissions = dataDictionary[@"scopes"];
    NSNumber *userId = dataDictionary[@"user_id"];

    NSDictionary *appDictionary = dataDictionary[@"app"];
    if (appDictionary) {
    NSNumber *appId = appDictionary[@"id"];

    permissions = [permissions sortedArrayUsingSelector:@selector(compare:)];
    [[NSUserDefaults standardUserDefaults] setObject:permissions forKey:PDKPinterestSDKPermissionsKey];
    [[NSUserDefaults standardUserDefaults] setObject:userId forKey:PDKPinterestSDKUserIdKey];
    [[NSUserDefaults standardUserDefaults] setObject:appId forKey:PDKPinterestSDKAppIdKey];
    [[NSUserDefaults standardUserDefaults] synchronize];
    }
    }
    }

    // authentication

    - (void)silentlyAuthenticateWithSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    [self authenticateWithPermissions:nil silent:YES withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)authenticateWithPermissions:(NSArray *)permissions
    viewController: (UIViewController *)viewController //MARK ADDED
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    [self authenticateWithPermissions:permissions silent:NO withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)authenticateWithPermissions:(NSArray *)permissions
    silent:(BOOL)silent
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    __weak PDKClient *weakSelf = self;

    // Check to see if we have a saved token and that the permissions are valid
    NSString *cachedToken = [SSKeychain passwordForService:PDKPinterestSDK account:PDKPinterestSDKUsername];
    NSArray *cachedPermissions = [[NSUserDefaults standardUserDefaults] objectForKey:PDKPinterestSDKPermissionsKey];
    if (cachedToken && cachedPermissions) {

    PDKClientFailure localFailureBlock = ^(NSError *error) {
    [SSKeychain deletePasswordForService:PDKPinterestSDK account:PDKPinterestSDKUsername];
    [weakSelf authenticateWithPermissions:permissions withSuccess:successBlock andFailure:failureBlock];
    };

    [self inspectToken:cachedToken
    withSuccess:^(PDKResponseObject *responseObject) {
    BOOL validCachedCredentials = NO;
    if ([responseObject isValid]) {
    if ([weakSelf verifyTokenDetails:responseObject.parsedJSONDictionary]) {
    weakSelf.authorized = YES;
    weakSelf.oauthToken = cachedToken;
    validCachedCredentials = YES;
    NSSet *fields = [NSSet setWithArray:@[@"id",
    @"username",
    @"first_name",
    @"last_name",
    @"bio",
    @"created_at",
    @"counts",
    @"image"]];
    [[PDKClient sharedInstance] getAuthorizedUserFields:fields
    withSuccess:successBlock
    andFailure:failureBlock];
    }
    }

    if (validCachedCredentials == NO) {
    localFailureBlock(nil);
    }

    } andFailure:localFailureBlock];
    } else if (silent == NO) {
    self.authenticationSuccessBlock = successBlock;
    self.authenticationFailureBlock = failureBlock;

    NSString *permissionsString = [permissions componentsJoinedByString:@","];
    NSString *appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"];
    if (appName == nil) {
    appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleName"];
    }

    NSDictionary *params = @{@"client_id" : self.appId,
    @"permissions" : permissionsString,
    @"app_name" : appName
    };

    // check to see if the Pinterest app is installed
    NSURL *oauthURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@?%@", kPDKPinterestAppOAuthURLString, [params _PDK_queryStringValue]]];

    #if TARGET_OS_IPHONE
    if ([[UIApplication sharedApplication] canOpenURL:oauthURL]) {
    [[UIApplication sharedApplication] openURL:oauthURL];


    //Instantiate SafariViewController here


    } else {
    NSString *redirectURL = [NSString stringWithFormat:@"pdk%@://", self.appId];
    params = @{@"client_id" : self.appId,
    @"scope" : permissionsString,
    @"redirect_uri" : redirectURL,
    @"response_type": @"token",
    };

    // open the web oauth
    oauthURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@?%@", kPDKPinterestWebOAuthURLString, [params _PDK_queryStringValue]]];
    [[UIApplication sharedApplication] openURL:oauthURL];



    //Instantiate SafariViewController here


    }
    #else
    NSString *redirectURL = [NSString stringWithFormat:@"pdk%@://", self.appId];
    params = @{@"client_id" : self.appId,
    @"scope" : permissionsString,
    @"redirect_uri" : redirectURL,
    @"response_type": @"token",
    };

    // open the web oauth
    oauthURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@?%@", kPDKPinterestWebOAuthURLString, [params _PDK_queryStringValue]]];
    [[NSWorkspace sharedWorkspace] openURL:oauthURL];


    //Instantiate SafariViewController here


    #endif
    } else if (silent && failureBlock) {
    // silent was yes, but we did not have a cached token. that counts as a failure.
    failureBlock(nil);
    }

    }

    + (void)clearAuthorizedUser
    {
    [SSKeychain deletePasswordForService:PDKPinterestSDK account:PDKPinterestSDKUsername];
    }

    - (BOOL)handleCallbackURL:(NSURL *)url
    {
    BOOL handled = NO;
    NSString *urlScheme = [url scheme];
    if ([urlScheme isEqualToString:self.clientRedirectURLString]) {
    // get the oauth token
    NSDictionary *parameters = [NSDictionary _PDK_dictionaryWithQueryString:[url query]];
    NSString *method = parameters[@"method"];
    if (method == nil) {
    method = @"auth";
    }

    __weak PDKClient *weakSelf = self;
    PDKClientFailure localFailureBlock = ^(NSError *error) {
    if (weakSelf.authenticationFailureBlock) {
    weakSelf.authenticationFailureBlock(error);
    weakSelf.authenticationFailureBlock = nil;
    }
    };

    if ([method isEqualToString:@"auth"]) {
    if ([parameters[@"access_token"] length] > 0) {
    NSString *oauthToken = parameters[@"access_token"];

    [self inspectToken:oauthToken
    withSuccess:^(PDKResponseObject *responseObject) {
    // save the permissions that were just authorized
    [weakSelf recordTokenDetails:responseObject.parsedJSONDictionary];

    weakSelf.oauthToken = oauthToken;
    [SSKeychain setPassword:weakSelf.oauthToken forService:PDKPinterestSDK account:PDKPinterestSDKUsername];

    [[PDKClient sharedInstance] getPath:@"me/"
    parameters:nil
    withSuccess:^(PDKResponseObject *responseObject) {
    [PDKClient sharedInstance].authorized = YES;
    if (weakSelf.authenticationSuccessBlock) {
    weakSelf.authenticationSuccessBlock(responseObject);
    weakSelf.authenticationSuccessBlock = nil;
    }
    } andFailure:localFailureBlock];

    } andFailure:localFailureBlock];

    } else {
    localFailureBlock(nil);
    }
    handled = YES;
    } else if ([method isEqualToString:@"pinit"]) {
    if (parameters[@"error"]) {
    [PDKPin callUnauthFailureWithError:parameters[@"error"]];
    } else {
    [PDKPin callUnauthSuccess];
    }
    handled = YES;
    }
    }
    return handled;
    }

    #pragma mark - Endpoints

    - (void)getPath:(NSString *)path
    parameters:(NSDictionary *)parameters
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSMutableURLRequest *request = [[self requestWithMethod:@"GET" path:path parameters:parameters] mutableCopy];

    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request
    success:^(AFHTTPRequestOperation *operation, id responseObject) {
    if (successBlock && [responseObject isKindOfClass:[NSDictionary class]]) {
    PDKResponseObject *response = [[PDKResponseObject alloc] initWithDictionary:(NSDictionary *)responseObject response:[operation response] path:path parameters:parameters];
    successBlock(response);
    }
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    if (failureBlock) {
    failureBlock(error);
    }
    }];
    [self.operationQueue addOperation:operation];
    }

    - (void)postPath:(NSString *)path
    parameters:(NSDictionary *)parameters
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSURLRequest *request = [self requestWithMethod:@"POST" path:path parameters:parameters];
    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request
    success:^(AFHTTPRequestOperation *operation, id responseObject) {
    if (successBlock && [responseObject isKindOfClass:[NSDictionary class]]) {
    PDKResponseObject *response = [[PDKResponseObject alloc] initWithDictionary:(NSDictionary *)responseObject response:operation.response];
    successBlock(response);
    }
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    if (failureBlock) {
    failureBlock(error);
    }
    }];
    [self.operationQueue addOperation:operation];
    }

    - (void)putPath:(NSString *)path
    parameters:(NSDictionary *)parameters
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSURLRequest *request = [self requestWithMethod:@"PUT" path:path parameters:parameters];
    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request
    success:^(AFHTTPRequestOperation *operation, id responseObject) {
    if (successBlock && [responseObject isKindOfClass:[NSDictionary class]]) {
    PDKResponseObject *response = [[PDKResponseObject alloc] initWithDictionary:(NSDictionary *)responseObject response:operation.response];
    successBlock(response);
    }
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    if (failureBlock) {
    failureBlock(error);
    }
    }];
    [self.operationQueue addOperation:operation];
    }

    - (void)deletePath:(NSString *)path
    parameters:(NSDictionary *)parameters
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSURLRequest *request = [self requestWithMethod:@"DELETE" path:path parameters:parameters];
    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request
    success:^(AFHTTPRequestOperation *operation, id responseObject) {
    if (successBlock && [responseObject isKindOfClass:[NSDictionary class]]) {
    PDKResponseObject *response = [[PDKResponseObject alloc] initWithDictionary:(NSDictionary *)responseObject response:operation.response];
    successBlock(response);
    }
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    if (failureBlock) {
    failureBlock(error);
    }
    }];
    [self.operationQueue addOperation:operation];
    }



    - (NSMutableURLRequest *)requestWithMethod:(NSString *)method
    path:(NSString *)URLString
    parameters:(NSDictionary *)parameters
    {
    NSString *urlPath = URLString;
    NSMutableDictionary *signedParameters = [NSMutableDictionary dictionaryWithDictionary:parameters];

    if (self.oauthToken && signedParameters[@"access_token"] == nil) {
    signedParameters[@"access_token"] = self.oauthToken;
    }

    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:method
    URLString:[[NSURL URLWithString:urlPath
    relativeToURL:self.baseURL] absoluteString]
    parameters:signedParameters
    error:nil];

    [request setHTTPShouldHandleCookies:YES];
    [request setValue:@"no-cache, no-store" forHTTPHeaderField:@"Cache-Control"];

    return request;
    }

    - (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
    path:(NSString *)URLString
    parameters:(NSDictionary *)parameters
    constructingBodyWithBlock:( void (^)(id <AFMultipartFormData>) )block
    {
    NSAssert(self.oauthToken, @"self.oauthToken cannot be nil");

    NSMutableDictionary *signedParameters = [NSMutableDictionary dictionaryWithDictionary:parameters];
    signedParameters[@"access_token"] = self.oauthToken;

    NSMutableURLRequest *request = [self.requestSerializer multipartFormRequestWithMethod:method
    URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString]
    parameters:signedParameters
    constructingBodyWithBlock:block
    error:nil];

    [request setHTTPShouldHandleCookies:YES];
    return request;
    }

    #pragma mark - User Endpoints

    - (void)getAuthorizedUserFields:(NSSet *)fields
    withSuccess:(PDKClientSuccess)success
    andFailure:(PDKClientFailure)failure
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    [self getPath:@"me/" parameters:parameters withSuccess:success andFailure:failure];
    }

    - (void)getUser:(NSString *)username
    fields:(NSSet *)fields
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    NSString *path = [NSString stringWithFormat:@"users/%@/", username];
    [self getPath:path parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getAuthenticatedUserPinsWithFields:(NSSet *)fields
    success:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    [self getPath:@"me/pins/" parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getAuthenticatedUserLikesWithFields:(NSSet *)fields
    success:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    [self getPath:@"me/likes/" parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getAuthenticatedUserBoardsWithFields:(NSSet *)fields
    success:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    [self getPath:@"me/boards/" parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getAuthorizedUserFollowersWithFields:(NSSet *)fields
    success:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    [self getPath:@"me/followers/" parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getAuthorizedUserFollowedUsersWithFields:(NSSet *)fields
    success:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    [self getPath:@"me/following/users/" parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getAuthorizedUserFollowedBoardsWithFields:(NSSet *)fields
    success:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    [self getPath:@"me/following/boards/" parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getAuthorizedUserFollowedInterestsWithSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    [self getPath:@"me/following/interests/" parameters:nil withSuccess:successBlock andFailure:failureBlock];
    }

    #pragma mark - Board Endpoints

    - (void)getBoardWithIdentifier:(NSString *)boardId
    fields:(NSSet *)fields
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    NSString *path = [NSString stringWithFormat:@"boards/%@/", boardId];
    [[PDKClient sharedInstance] getPath:path parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)getBoardPins:(NSString *)boardId
    fields:(NSSet *)fields
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    NSString *path = [NSString stringWithFormat:@"boards/%@/pins/", boardId];
    [self getPath:path parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)deleteBoard:(NSString *)boardId
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSString *path = [NSString stringWithFormat:@"boards/%@/", boardId];
    [self deletePath:path parameters:nil withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)createBoard:(NSString *)boardName
    boardDescription:(NSString *)description
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSString *path = @"boards/";

    if (description == nil) {
    description = @"";
    }
    NSDictionary *parameters = @{
    @"name" : boardName,
    @"description" : description
    };

    [self postPath:path parameters:parameters withSuccess:successBlock andFailure:failureBlock];

    }

    #pragma mark - Pin Endpoints

    - (void)getPinWithIdentifier:(NSString *)pinId
    fields:(NSSet *)fields
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSDictionary *parameters = @{@"fields" : [[fields allObjects] componentsJoinedByString:@","]};
    NSString *path = [NSString stringWithFormat:@"pins/%@/", pinId];
    [[PDKClient sharedInstance] getPath:path parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)createPinWithImageURL:(NSURL *)imageURL
    link:(NSURL *)link
    onBoard:(NSString *)boardId
    description:(NSString *)pinDescription
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    NSAssert(pinDescription, @"pinDescription cannot be nil");
    NSAssert(boardId, @"boardId cannot be nil");

    NSDictionary *parameters = @{
    @"image_url" : imageURL,
    @"link" : link.absoluteString,
    @"board" : boardId,
    @"note" : pinDescription
    };

    [self createPinWithParameters:parameters withSuccess:successBlock andFailure:failureBlock];

    }

    - (void)deletePin:(NSString *)pinId
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    NSString *path = [NSString stringWithFormat:@"pins/%@/", pinId];
    [self deletePath:path parameters:nil withSuccess:successBlock andFailure:failureBlock];
    }

    - (void)createPinWithParameters:(NSDictionary *)parameters
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock
    {
    [self postPath:@"pins/" parameters:parameters withSuccess:successBlock andFailure:failureBlock];
    }

    #if TARGET_OS_IPHONE
    - (void)createPinWithImage:(UIImage *)image
    link:(NSURL *)link
    onBoard:(NSString *)boardId
    description:(NSString *)pinDescription
    progress:(PDKPinUploadProgress)progressBlock
    withSuccess:(PDKClientSuccess)successBlock
    andFailure:(PDKClientFailure)failureBlock;
    {
    // Construction Block
    void (^requestConstruction)(id <AFMultipartFormData>) = ^(id <AFMultipartFormData> formData)
    {
    NSData *imageData = UIImageJPEGRepresentation(image, 1.0f);
    [formData appendPartWithFileData:imageData
    name:@"image"
    fileName:@"myphoto.jpg"
    mimeType:@"image/jpeg"];
    };

    void (^requestProgress)(NSUInteger, long long, long long) = ^(NSUInteger bytesWritten,
    long long totalBytesWritten,
    long long totalBytesExpectedToWrite)
    {
    if (progressBlock) {
    float percentComplete = totalBytesWritten / (float)totalBytesExpectedToWrite;
    progressBlock(percentComplete);
    }
    };

    NSMutableDictionary *parameters = [NSMutableDictionary dictionary];
    parameters[@"board"] = boardId;
    parameters[@"note"] = pinDescription;
    if (link != nil) {
    parameters[@"link"] = link;
    }

    NSURLRequest *request = [self multipartFormRequestWithMethod:@"POST"
    path:@"pins/"
    parameters:parameters
    constructingBodyWithBlock:requestConstruction];

    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request
    success:^(AFHTTPRequestOperation *operation, id responseObject) {
    if (successBlock && [responseObject isKindOfClass:[NSDictionary class]]) {
    PDKResponseObject *response = [[PDKResponseObject alloc] initWithDictionary:(NSDictionary *)responseObject response:operation.response];
    successBlock(response);
    }
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    if (failureBlock) {
    failureBlock(error);
    }
    }];

    [operation setUploadProgressBlock:requestProgress];
    [self.operationQueue addOperation:operation];

    }
    #endif


    @end