P4User.m #1

//
//  P4Client.h
//  MBMenuExtra
//
//  Created by Michael Bishop on 12/18/09.
//  Copyright 2009 Perforce Software. All rights reserved.
//
#import "P4User.h"
#import "P4SpecManager.h"
#import "NGAUtilities.h"

@implementation P4User

-(NSSet*)clients
{
    // TODO: The code here that pulls the clients from the server should be put in
    // the fetched property implementation. In addition, the date stamp should be stored
    // so it doesn't fetch all the time. 
    
    NSFetchRequest * fetchRequest = [self.manager fetchRequestForType:@"client"];
    
    NSPredicate * predicate = [NSComparisonPredicate predicateWithLeftExpression:[NSExpression expressionForKeyPath:@"owner"]
                                                                 rightExpression:[NSExpression expressionForConstantValue:self.identifier]
                                                                        modifier:NSDirectPredicateModifier
                                                                            type:NSEqualToPredicateOperatorType
                                                                         options:0];
    [fetchRequest setPredicate:predicate];
     
    if ( _isLoadingClients || (_lastRefreshDate && [_lastRefreshDate timeIntervalSinceNow] < [self refreshInterval]) )
        return _clients;
    
    _isLoadingClients = YES;
    
    [_clients release];
    NSArray * clientArray = [self.manager executeFetchRequest:fetchRequest
                      incrementalUpdateBlock:nil
                             completionBlock:^(NSArray * speclist, NSError * error){

                                 _isLoadingClients = NO;
                                 
                                 if ( error )
                                     return;

                                 [_lastRefreshDate release];
                                 _lastRefreshDate = [[NSDate date] retain];
                                 
                                 [self willChangeValueForKey:@"clients"];
                                 [_clients release];
                                 _clients = [NSSet setWithArray:speclist];
                                 [_clients retain];
                                 [self didChangeValueForKey:@"clients"];
    }];
    _clients = [NSSet setWithArray:clientArray];
    [_clients retain];
    return _clients;
}

-(void)refresh:(id)sender
{
    RELEASE(_clients);
    RELEASE(_lastRefreshDate);
    [super refresh:sender];
}


@end