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https://github.com/samuelclay/NewsBlur.git
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e6548c7cf7
- Now uses the Documents directory instead of the Caches one, to avoid losing data in low disk space. - Exisitng data is copied to the new location if needed.
57 lines
1.8 KiB
Objective-C
57 lines
1.8 KiB
Objective-C
//
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// OfflineCleanImages.m
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// NewsBlur
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//
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// Created by Samuel Clay on 8/5/13.
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// Copyright (c) 2013 NewsBlur. All rights reserved.
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//
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#import "OfflineCleanImages.h"
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@implementation OfflineCleanImages
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@synthesize appDelegate;
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- (void)main {
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dispatch_sync(dispatch_get_main_queue(), ^{
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appDelegate = [NewsBlurAppDelegate sharedAppDelegate];
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});
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NSLog(@"Cleaning stale offline images...");
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int deleted = 0;
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int checked = 0;
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NSFileManager *fileManager = [NSFileManager defaultManager];
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
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NSString *cacheDirectory = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"story_images"];
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NSDirectoryEnumerator* en = [fileManager enumeratorAtPath:cacheDirectory];
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NSDate *d = [[NSDate date] dateByAddingTimeInterval:-30*24*60*60];
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NSDateFormatter *df = [[NSDateFormatter alloc] init]; // = [NSDateFormatter initWithDateFormat:@"yyyy-MM-dd"];
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[df setDateFormat:@"EEEE d"];
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NSString *filepath;
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NSDate *creationDate;
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NSString* file;
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while (file = [en nextObject])
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{
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filepath = [NSString stringWithFormat:[cacheDirectory stringByAppendingString:@"/%@"],file];
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creationDate = [[fileManager attributesOfItemAtPath:filepath error:nil] fileCreationDate];
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checked += 1;
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if ([creationDate compare:d] == NSOrderedAscending) {
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[[NSFileManager defaultManager]
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removeItemAtPath:[cacheDirectory stringByAppendingPathComponent:file]
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error:nil];
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deleted += 1;
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}
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if (self.isCancelled) {
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NSLog(@"Canceling image cleaning...");
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break;
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}
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}
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NSLog(@"Deleted %d/%d old cached images", deleted, checked);
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}
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@end
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