/*
* Copyright (c) 2020, Jonathan Schleifer <js@nil.im>
*
* https://fossil.nil.im/objmatrix
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#import <ObjFW/ObjFW.h>
OF_ASSUME_NONNULL_BEGIN
/**
* @brief A block called with the response for an MTXRequest.
*
* @param response The response to the request, as a dictionary parsed from JSON
* @param statusCode The HTTP status code returned for the request
* @param exception The first exception that occurred during the request,
* or `nil` on success
*/
typedef void (^mtx_request_block_t)(
OFDictionary<OFString *, id> *_Nullable response, int statusCode,
id _Nullable exception);
/**
* @brief An internal class for performing a request on the Matrix server.
*/
@interface MTXRequest: OFObject <OFHTTPClientDelegate>
/**
* @brief The access token to use.
*
* Some requests are unauthenticated - for those, the access token is `nil`.
*/
@property (readonly, nonatomic, nullable) OFString *accessToken;
/**
* @brief The URL of the homeserver to send the request to.
*/
@property (readonly, nonatomic) OFURL *homeserver;
/**
* @brief The HTTP request method.
*
* Defaults to `OF_HTTP_REQUEST_METHOD_GET`.
*/
@property (nonatomic) of_http_request_method_t method;
/**
* @brief The path of the request.
*/
@property (copy, nonatomic) OFString *path;
/**
* @brief An optional body to send along with the request.
*
* This is a dictionary that gets serialized to JSON when the request is sent.
*/
@property (copy, nullable, nonatomic) OFDictionary<OFString *, id> *body;
/**
* @brief Creates a new request with the specified access token and homeserver.
*
* @param accessToken An (optional) access token to use
* @param homeserver The homeserver the request will be sent to
* @return An autoreleased MTXRequest
*/
+ (instancetype)requestWithPath: (OFString *)path
accessToken: (nullable OFString *)accessToken
homeserver: (OFURL *)homeserver;
/**
* @brief Initializes an already allocated request with the specified access
* token and homeserver.
*
* @param accessToken An (optional) access token to use
* @param homeserver The homeserver the request will be sent to
* @return An initialized MTXRequest
*/
- (instancetype)initWithPath: (OFString *)path
accessToken: (nullable OFString *)accessToken
homeserver: (OFURL *)homeserver;
/**
* @brief Performs the request and calls the specified block once the request
* succeeded or failed.
*
* @param block The block to call once the request succeeded or failed
*/
- (void)asyncPerformWithBlock: (mtx_request_block_t)block;
@end
OF_ASSUME_NONNULL_END