XMPPIQ+LastActivity.m
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//
// XMPPIQ+LastActivity.m
// XEP-0012
//
// Created by Daniel Rodríguez Troitiño on 1/26/2013.
//
#import "XMPPIQ+LastActivity.h"
#import "XMPP.h"
#if ! __has_feature(objc_arc)
#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
#endif
NSString *const XMPPLastActivityNamespace = @"jabber:iq:last";
@implementation XMPPIQ (LastActivity)
+ (XMPPIQ *)lastActivityQueryTo:(XMPPJID *)jid
{
NSXMLElement *query = [[NSXMLElement alloc] initWithName:@"query" xmlns:XMPPLastActivityNamespace];
return [[self alloc] initWithType:@"get" to:jid elementID:[XMPPStream generateUUID] child:query];
}
+ (XMPPIQ *)lastActivityResponseToIQ:(XMPPIQ *)request withSeconds:(NSUInteger)seconds
{
return [self lastActivityResponseToIQ:request withSeconds:seconds status:nil];
}
+ (XMPPIQ *)lastActivityResponseToIQ:(XMPPIQ *)request withSeconds:(NSUInteger)seconds status:(NSString *)status
{
NSXMLElement *query = [[NSXMLElement alloc] initWithName:@"query" xmlns:XMPPLastActivityNamespace];
[query addAttributeWithName:@"seconds" stringValue:[NSString stringWithFormat:@"%lu", (unsigned long)seconds]];
if (status && [status length] > 0)
{
[query setStringValue:status];
}
return [[self alloc] initWithType:@"result" to:request.from elementID:request.elementID child:query];
}
+ (XMPPIQ *)lastActivityResponseForbiddenToIQ:(XMPPIQ *)request
{
NSXMLElement *reason = [[NSXMLElement alloc] initWithName:@"forbidden" xmlns:@"urn:ietf:params:xml:ns:xmpp-stanzas"];
NSXMLElement *error = [[NSXMLElement alloc] initWithName:@"error"];
[error addAttributeWithName:@"type" stringValue:@"auth"];
[error addChild:reason];
return [[self alloc] initWithType:@"error" to:request.from elementID:request.elementID child:error];
}
- (BOOL)isLastActivityQuery
{
return nil != [self lastActivityQueryElement];
}
- (NSUInteger)lastActivitySeconds
{
NSUInteger seconds = NSNotFound;
NSXMLElement *query = [self lastActivityQueryElement];
if (query)
{
NSXMLNode *attribute = [query attributeForName:@"seconds"];
if (attribute)
{
// Some Servers Return -1 to indicate no activity, so we need to ignore these
if([query attributeIntegerValueForName:@"seconds"] >= 0)
{
seconds = [query attributeUnsignedIntegerValueForName:@"seconds"];
}
}
}
return seconds;
}
- (NSString *)lastActivityUnavailableStatus
{
NSXMLElement *query = [self lastActivityQueryElement];
if (query)
{
return [query stringValue];
}
else
{
return nil;
}
}
- (NSXMLElement *)lastActivityQueryElement
{
return [self elementForName:@"query" xmlns:XMPPLastActivityNamespace];
}
@end