JABRemoveGroupBuddiesAction.m [plain text]
//
// JABRemoveGroupBuddiesAction.m
// ChatServer/jabber_autobuddy
//
// Created by Steve Peralta on 9/26/08.
// Copyright 2008 Apple. All rights reserved.
//
#import "JABRemoveGroupBuddiesAction.h"
#import "JABDatabaseQuery.h"
@implementation JABRemoveGroupBuddiesAction
@synthesize groupName = _groupName;
@synthesize activeQuery1 = _activeQuery1;
@synthesize activeQuery2 = _activeQuery2;
//------------------------------------------------------------------------------
- (id) initWithCommandOptions: (NSDictionary *) cmdOpts
{
self = [super initWithCommandOptions: cmdOpts];
self.groupName = [cmdOpts objectForKey: CMDOPT_KEY_GROUPNAME];
self.activeQuery1 = [JABSelectAllActiveQuery jabSelectAllActiveQueryForAction: self];
self.activeQuery2 = [JABSelectAllActiveQuery jabSelectAllActiveQueryForAction: self];
return self;
}
- (void) dealloc
{
self.activeQuery2 = nil;
self.activeQuery1 = nil;
self.groupName = nil;
[super dealloc];
}
//------------------------------------------------------------------------------
- (BOOL) requiresJid
{
return NO;
}
//------------------------------------------------------------------------------
- (void) doDBAction
{
// Remove roster-groups items for all users & buddies belonging to a group
// prepare a query for reading active JIDs
if (![_activeQuery1 startStatement])
return; // query initialization failed -- abort
// for each active JID, look for existing pairings with all other
// active JIDS in the roster-groups table and remove pairings
// associated with the OD group.
NSString *ownerJid = nil;
while (nil != (ownerJid = [_activeQuery1 getNextActiveJid])) {
// prepare a second query for reading active JIDs
if (![_activeQuery2 startStatement])
break; // query initialization failed -- abort
NSString *buddyJid = nil;
while (nil != (buddyJid = [_activeQuery2 getNextActiveJid])) {
// verify roster-item prerequisites
if ([buddyJid isEqualToString: ownerJid])
continue; // skip self-pairing
// check if the pairing exists in roster-group
BOOL bExists = [_database verifyRosterGroup: _groupName
forOwner: ownerJid
andBuddy: buddyJid];
if (![self checkDatabaseStatus])
break; // operation failed -- abort processing
if (bExists) {
// Remove the roster-groups entry
[_database deleteRosterGroup: _groupName
forOwner: ownerJid
andBuddy: buddyJid
source: __PRETTY_FUNCTION__
line: __LINE__];
if (![self checkDatabaseStatus])
break; // operation failed -- abort processing
}
// check if the pairing exists in roster-items
bExists = [_database verifyRosterItemForOwner: ownerJid andBuddy: buddyJid];
if (![self checkDatabaseStatus])
break; // operation failed -- abort processing
if (bExists) {
// Remove the roster-items entry
[_database deleteRosterItemForOwner: ownerJid
andBuddy: buddyJid
source: __PRETTY_FUNCTION__
line: __LINE__];
if (![self checkDatabaseStatus])
break; // operation failed -- abort processing
}
} // while buddyJid
[_activeQuery2 finalizeStatement];
if (OPRESULT_OK != self.result) break; // query error -- abort
} // while ownerJid
[_activeQuery1 finalizeStatement];
}
@end