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//
// JSONAPI.m
// JSONModel
//
#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;
@end
#pragma mark - static variables
static JSONAPI* sharedInstance = nil;
static long jsonRpcId = 0;
#pragma mark - JSONAPI() private interface
@interface JSONAPI ()
@property (strong, nonatomic) NSString* baseURLString;
@end
#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];
}
@end
#pragma mark - helper rpc error model class implementation
@implementation JSONAPIRPCErrorModel
@end