#import "JSONAPI.h"

#pragma GCC diagnostic ignored "-Wdeprecated-declarations"

#pragma GCC diagnostic ignored "-Wdeprecated-implementations"

#pragma mark - helper error model class

@interface JSONAPIRPCErrorModel: JSONModel

@property (assign, nonatomic) int code;

@property (strong, nonatomic) NSString* message;

@property (strong, nonatomic) id<Optional> data;

#pragma mark - static variables

static JSONAPI* sharedInstance = nil;

static long jsonRpcId = 0;

#pragma mark - JSONAPI() private interface

@interface JSONAPI ()

@property (strong, nonatomic) NSString* baseURLString;

#pragma mark - JSONAPI implementation

@implementation JSONAPI

#pragma mark - initialize

+(void)initialize

{

static dispatch_once_t once;

dispatch_once(&once, ^{

sharedInstance = [[JSONAPI alloc] init];

});

}

#pragma mark - api config methods

+(void)setAPIBaseURLWithString:(NSString*)base

{

sharedInstance.baseURLString = base;

}

+(void)setContentType:(NSString*)ctype

{

[JSONHTTPClient setRequestContentType: ctype];

}

#pragma mark - GET methods

+(void)getWithPath:(NSString*)path andParams:(NSDictionary*)params completion:(JSONObjectBlock)completeBlock

{

NSString* fullURL = [NSString stringWithFormat:@"%@%@", sharedInstance.baseURLString, path];

[JSONHTTPClient getJSONFromURLWithString: fullURL params:params completion:^(NSDictionary *json, JSONModelError *e) {

completeBlock(json, e);

}];

}

#pragma mark - POST methods

+(void)postWithPath:(NSString*)path andParams:(NSDictionary*)params completion:(JSONObjectBlock)completeBlock

{

NSString* fullURL = [NSString stringWithFormat:@"%@%@", sharedInstance.baseURLString, path];

[JSONHTTPClient postJSONFromURLWithString: fullURL params:params completion:^(NSDictionary *json, JSONModelError *e) {

completeBlock(json, e);

}];

}

#pragma mark - RPC methods

+(void)__rpcRequestWithObject:(id)jsonObject completion:(JSONObjectBlock)completeBlock

{

NSData* jsonRequestData = [NSJSONSerialization dataWithJSONObject:jsonObject

options:kNilOptions

error:nil];

NSString* jsonRequestString = [[NSString alloc] initWithData:jsonRequestData encoding: NSUTF8StringEncoding];

NSAssert(sharedInstance.baseURLString, @"API base URL not set");

[JSONHTTPClient postJSONFromURLWithString: sharedInstance.baseURLString

bodyString: jsonRequestString

completion:^(NSDictionary *json, JSONModelError* e) {

if (completeBlock) {

//handle the rpc response

NSDictionary* result = json[@"result"];

if (!result) {

JSONAPIRPCErrorModel* error = [[JSONAPIRPCErrorModel alloc] initWithDictionary:json[@"error"] error:nil];

if (error) {

//custom server error

if (!error.message) error.message = @"Generic json rpc error";

e = [JSONModelError errorWithDomain:JSONModelErrorDomain

code:error.code

userInfo: @{ NSLocalizedDescriptionKey : error.message}];

} else {

//generic error

e = [JSONModelError errorBadResponse];

}

}

//invoke the callback

completeBlock(result, e);

}

}];

}

+(void)rpcWithMethodName:(NSString*)method andArguments:(NSArray*)args completion:(JSONObjectBlock)completeBlock

{

NSAssert(method, @"No method specified");

if (!args) args = @[];

[self __rpcRequestWithObject:@{

//rpc 1.0

@"id": @(++jsonRpcId),

@"params": args,

@"method": method

} completion:completeBlock];

}

+(void)rpc2WithMethodName:(NSString*)method andParams:(id)params completion:(JSONObjectBlock)completeBlock

{

NSAssert(method, @"No method specified");

if (!params) params = @[];

[self __rpcRequestWithObject:@{

//rpc 2.0

@"jsonrpc": @"2.0",

@"id": @(++jsonRpcId),

@"params": params,

@"method": method

} completion:completeBlock];

}

#pragma mark - helper rpc error model class implementation

@implementation JSONAPIRPCErrorModel