XMPPMessageArchiveManagement.m
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//
// XMPPMessageArchiveManagement.m
//
// Created by Andres Canal on 4/8/16.
// Copyright © 2016 Inaka. All rights reserved.
//
#import "XMPPMessageArchiveManagement.h"
#import "XMPPFramework.h"
#import "XMPPLogging.h"
#import "XMPPIDTracker.h"
#import "NSXMLElement+XEP_0297.h"
#define XMLNS_XMPP_MAM @"urn:xmpp:mam:1"
@interface XMPPMessageArchiveManagement()
@property (strong, nonatomic) NSString *queryID;
@end
@implementation XMPPMessageArchiveManagement
- (void)retrieveMessageArchiveWithFields:(NSArray *)fields withResultSet:(XMPPResultSet *)resultSet {
dispatch_block_t block = ^{
XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
[iq addAttributeWithName:@"id" stringValue:[XMPPStream generateUUID]];
self.queryID = [XMPPStream generateUUID];
NSXMLElement *queryElement = [NSXMLElement elementWithName:@"query" xmlns:XMLNS_XMPP_MAM];
[queryElement addAttributeWithName:@"queryid" stringValue:self.queryID];
[iq addChild:queryElement];
NSXMLElement *xElement = [NSXMLElement elementWithName:@"x" xmlns:@"jabber:x:data"];
[xElement addAttributeWithName:@"type" stringValue:@"submit"];
[xElement addChild:[XMPPMessageArchiveManagement fieldWithVar:@"FORM_TYPE" type:@"hidden" andValue:@"urn:xmpp:mam:1"]];
for (NSXMLElement *field in fields) {
[xElement addChild:field];
}
[queryElement addChild:xElement];
if (resultSet) {
[queryElement addChild:resultSet];
}
[xmppIDTracker addElement:iq
target:self
selector:@selector(handleMessageArchiveIQ:withInfo:)
timeout:60];
[xmppStream sendElement:iq];
};
if (dispatch_get_specific(moduleQueueTag)) {
block();
} else {
dispatch_sync(moduleQueue, block);
}
}
- (void)handleMessageArchiveIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)trackerInfo {
if ([[iq type] isEqualToString:@"result"]) {
NSXMLElement *finElement = [iq elementForName:@"fin" xmlns:XMLNS_XMPP_MAM];
NSXMLElement *setElement = [finElement elementForName:@"set" xmlns:@"http://jabber.org/protocol/rsm"];
XMPPResultSet *resultSet = [XMPPResultSet resultSetFromElement:setElement];
[multicastDelegate xmppMessageArchiveManagement:self didFinishReceivingMessagesWithSet:resultSet];
} else {
[multicastDelegate xmppMessageArchiveManagement:self didFailToReceiveMessages:iq];
}
}
+ (NSXMLElement *)fieldWithVar:(NSString *)var type:(NSString *)type andValue:(NSString *)value {
NSXMLElement *field = [NSXMLElement elementWithName:@"field"];
[field addAttributeWithName:@"var" stringValue:var];
if(type){
[field addAttributeWithName:@"type" stringValue:type];
}
NSXMLElement *elementValue = [NSXMLElement elementWithName:@"value"];
elementValue.stringValue = value;
[field addChild:elementValue];
return field;
}
- (void)retrieveFormFields {
dispatch_block_t block = ^{
XMPPIQ *iq = [XMPPIQ iqWithType:@"get"];
[iq addAttributeWithName:@"id" stringValue:[XMPPStream generateUUID]];
NSXMLElement *queryElement = [NSXMLElement elementWithName:@"query" xmlns:XMLNS_XMPP_MAM];
[iq addChild:queryElement];
[xmppIDTracker addElement:iq
target:self
selector:@selector(handleFormFieldsIQ:withInfo:)
timeout:60];
[xmppStream sendElement:iq];
};
if (dispatch_get_specific(moduleQueueTag)) {
block();
} else {
dispatch_sync(moduleQueue, block);
}
}
- (void)handleFormFieldsIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)trackerInfo {
if ([[iq type] isEqualToString:@"result"]) {
[multicastDelegate xmppMessageArchiveManagement:self didReceiveFormFields:iq];
} else {
[multicastDelegate xmppMessageArchiveManagement:self didFailToReceiveFormFields:iq];
}
}
- (BOOL)activate:(XMPPStream *)aXmppStream {
if ([super activate:aXmppStream]) {
xmppIDTracker = [[XMPPIDTracker alloc] initWithDispatchQueue:moduleQueue];
return YES;
}
return NO;
}
- (void)deactivate {
dispatch_block_t block = ^{ @autoreleasepool {
[xmppIDTracker removeAllIDs];
xmppIDTracker = nil;
}};
if (dispatch_get_specific(moduleQueueTag)) {
block();
} else {
dispatch_sync(moduleQueue, block);
}
[super deactivate];
}
#pragma mark XMPPStream Delegate
- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
{
NSString *type = [iq type];
if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"])
{
return [xmppIDTracker invokeForID:[iq elementID] withObject:iq];
}
return NO;
}
- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message {
NSXMLElement *result = [message elementForName:@"result" xmlns:XMLNS_XMPP_MAM];
BOOL forwarded = [result hasForwardedStanza];
NSString *queryID = [result attributeForName:@"queryid"].stringValue;
if (forwarded && [queryID isEqualToString:self.queryID]) {
[multicastDelegate xmppMessageArchiveManagement:self didReceiveMAMMessage:message];
}
}
@end