Monotone-Parent: 56b6e4ca9c570a4e36d00e32127d539e82da7293 Monotone-Revision: db186d0ad7ef7cd1cab54a0ee31f87daa7c32085 Monotone-Author: ludovic@Sophos.ca Monotone-Date: 2008-11-05T21:04:16 Monotone-Branch: ca.inverse.sogo
190 lines
4.7 KiB
Objective-C
190 lines
4.7 KiB
Objective-C
/* SOGoUserManager.m - this file is part of SOGo
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*
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* Copyright (C) 2008 Inverse inc.
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*
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* Author: Ludovic Marcotte <lmarcotte@inverse.ca>
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "SOGoUserManager.h"
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#include <Foundation/NSDictionary.h>
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#include <Foundation/NSDistributedNotificationCenter.h>
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#include <Foundation/NSEnumerator.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSTimer.h>
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#include <Foundation/NSUserDefaults.h>
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#import <NGExtensions/NSObject+Logs.h>
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#include "SOGoUser.h"
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// We define the default value for cleaning up cached
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// users' preferences. This value should be relatively high
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// to avoid useless database calls.
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static NSTimeInterval cleanupInterval = 1800;
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@implementation SOGoUserManager
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- (id) init
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{
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NSString *cleanupSetting;
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if ((self = [super init]))
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{
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_cache = [[NSMutableDictionary alloc] init];
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}
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// We register ourself for notifications
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[[NSDistributedNotificationCenter defaultCenter]
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addObserver: self
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selector: @selector(_userDefaultsHaveChanged:)
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name: @"SOGoUserDefaultsHaveChanged"
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object: nil];
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[[NSDistributedNotificationCenter defaultCenter]
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addObserver: self
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selector: @selector(_userSettingsHaveChanged:)
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name: @"SOGoUserSettingsHaveChanged"
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object: nil];
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// We fire our timer that will cleanup cache entries
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cleanupSetting = [[NSUserDefaults standardUserDefaults]
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objectForKey: @"SOGoUserManagerCleanupInterval"];
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if (cleanupSetting && [cleanupSetting doubleValue] > 0.0)
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cleanupInterval = [cleanupSetting doubleValue];
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_cleanupTimer = [NSTimer scheduledTimerWithTimeInterval: cleanupInterval
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target: self
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selector: @selector(_cleanupSources)
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userInfo: nil
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repeats: YES];
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[self logWithFormat: @"cleanup interval set every %f seconds",
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cleanupInterval];
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return self;
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}
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- (void) dealloc
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{
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[_cache release];
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[super dealloc];
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}
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+ (id) sharedManager
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{
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static id sharedManager = nil;
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if (!sharedManager)
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sharedManager = [self new];
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return sharedManager;
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}
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- (SOGoUser *) userWithLogin: (NSString *) theLogin
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roles: (NSArray *) theRoles
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{
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NSDate *cleanupDate;
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SOGoUser *user;
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id entry;
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cleanupDate = [[NSDate date] addTimeInterval: cleanupInterval];
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entry = [_cache objectForKey: theLogin];
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if (!entry)
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{
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user = [SOGoUser userWithLogin: theLogin roles: theRoles];
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entry = [NSMutableDictionary dictionaryWithObjectsAndKeys: user, @"user", cleanupDate, @"cleanupDate", nil];
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[_cache setObject: entry forKey: theLogin];
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}
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else
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{
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[entry setObject: cleanupDate forKey: @"cleanupDate"];
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user = [entry objectForKey: @"user"];
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}
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[user setPrimaryRoles: theRoles];
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return user;
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}
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//
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// Private stuff
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//
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- (void) _userDefaultsHaveChanged: (NSNotification *) theNotification
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{
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NSMutableDictionary *d;
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SOGoUser *user;
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d = [[NSMutableDictionary alloc] init];
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[d addEntriesFromDictionary: [theNotification userInfo]];
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user = [self userWithLogin: [d objectForKey: @"uid"]
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roles: nil];
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[d removeObjectForKey: @"uid"];
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[user setUserDefaultsFromDictionary: d];
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[d release];
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}
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- (void) _userSettingsHaveChanged: (NSNotification *) theNotification
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{
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NSMutableDictionary *d;
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SOGoUser *user;
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d = [[NSMutableDictionary alloc] init];
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[d addEntriesFromDictionary: [theNotification userInfo]];
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user = [self userWithLogin: [d objectForKey: @"uid"]
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roles: nil];
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[d removeObjectForKey: @"uid"];
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[user setUserSettingsFromDictionary: d];
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[d release];
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}
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- (void) _cleanupSources
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{
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NSEnumerator *userIDs;
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NSString *currentID;
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NSDictionary *currentUser;
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NSDate *now;
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unsigned int count;
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now = [NSDate date];
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count = 0;
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userIDs = [[_cache allKeys] objectEnumerator];
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while ((currentID = [userIDs nextObject]))
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{
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currentUser = [_cache objectForKey: currentID];
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if ([now earlierDate:
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[currentUser objectForKey: @"cleanupDate"]] == now)
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{
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[_cache removeObjectForKey: currentID];
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count++;
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}
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}
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if (count)
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[self logWithFormat: @"cleaned %d users records from cache", count];
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}
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@end
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