Add support for leaving rooms

FossilOrigin-Name: 193ebad6ad2eb698fb1c14250d1319d24ee42363dbc2a053ca6e9f5f600048f2

src/exceptions/MTXLeaveRoomFailedException.h

@@ -0,0 +1,48 @@
+/*
+ * 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>
+
+#import "MTXClientException.h"
+
+OF_ASSUME_NONNULL_BEGIN
+
+@interface MTXLeaveRoomFailedException: MTXClientException
+@property (readonly, nonatomic) OFString *roomID;
+
++ (instancetype)exceptionWithStatusCode: (int)statusCode
+			       response: (mtx_response_t)response
+				 client: (MTXClient *)client OF_UNAVAILABLE;
++ (instancetype)exceptionWithRoomID: (OFString *)roomID
+			 statusCode: (int)statusCode
+			   response: (mtx_response_t)response
+			     client: (MTXClient *)client;
+- (instancetype)initWithStatusCode: (int)statusCode
+			  response: (mtx_response_t)response
+			    client: (MTXClient *)client OF_UNAVAILABLE;
+- (instancetype)initWithRoomID: (OFString *)roomID
+		    statusCode: (int)statusCode
+		      response: (mtx_response_t)response
+			client: (MTXClient *)client;
+@end
+
+OF_ASSUME_NONNULL_END

src/exceptions/MTXLeaveRoomFailedException.m

@@ -0,0 +1,71 @@
+/*
+ * 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 "MTXLeaveRoomFailedException.h"
+
+#import "MTXClient.h"
+
+@implementation MTXLeaveRoomFailedException
++ (instancetype)exceptionWithRoomID: (OFString *)roomID
+			 statusCode: (int)statusCode
+			   response: (mtx_response_t)response
+			     client: (MTXClient *)client
+{
+	return [[[self alloc] initWithRoomID: roomID
+				  statusCode: statusCode
+				    response: response
+				      client: client] autorelease];
+}
+
+- (instancetype)initWithRoomID: (OFString *)roomID
+		    statusCode: (int)statusCode
+		      response: (mtx_response_t)response
+			client: (MTXClient *)client
+{
+	self = [super initWithStatusCode: statusCode
+				response: response
+				  client: client];
+
+	@try {
+		_roomID = [roomID copy];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
+
+	return self;
+}
+
+- (void)dealloc
+{
+	[_roomID release];
+
+	[super dealloc];
+}
+
+- (OFString *)description
+{
+	return [OFString stringWithFormat:
+	    @"Failed to leave room %@ for %@: %@",
+	    _roomID, self.client.userID, self.response];
+}
+@end

src/exceptions/Makefile

@@ -6,6 +6,7 @@ STATIC_LIB_NOINST = ${EXCEPTIONS_A}
 SRCS = MTXClientException.m			\
        MTXFetchRoomListFailedException.m	\
        MTXJoinRoomFailedException.m		\
+       MTXLeaveRoomFailedException.m		\
        MTXLoginFailedException.m		\
        MTXLogoutFailedException.m
 INCLUDES = ${SRCS:.m=.h}