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//
// HCPCleanupHelper.m
//
// Created by Nikolay Demyankov on 23.12.15.
//
#import "HCPCleanupHelper.h"
#import "HCPFilesStructure.h"
@interface HCPCleanupHelper() {
__block BOOL _isExecuting;
}
@end
@implementation HCPCleanupHelper
#pragma mark Public API
+ (void)removeUnusedReleasesExcept:(NSArray *)ignoredReleases {
HCPCleanupHelper *helper = [HCPCleanupHelper sharedInstance];
[helper removeReleaseFoldersExcluding:ignoredReleases];
}
#pragma Private API
/**
* Get shared instance of the cleaner.
* Class is a singleton to exclude conflicts.
*
* @return class instance
*/
+ (HCPCleanupHelper *)sharedInstance {
static HCPCleanupHelper *sharedInstance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedInstance = [[self alloc] init];
});
return sharedInstance;
}
- (void)removeReleaseFoldersExcluding:(NSArray *)ignoredReleases {
if (_isExecuting) {
return;
}
_isExecuting = YES;
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self removeFoldersWithIgnoreList:ignoredReleases];
_isExecuting = NO;
});
}
- (void)removeFoldersWithIgnoreList:(NSArray *)ignoreList {
NSURL *rootFolder = [HCPFilesStructure pluginRootFolder];
NSFileManager *fm = [NSFileManager defaultManager];
// get list of release folders
NSArray *releases = [fm contentsOfDirectoryAtURL:rootFolder includingPropertiesForKeys:@[] options:kNilOptions error:nil];
if (releases.count == 0) {
return;
}
// iterate over them and delete ones that are not in ignore list
for (NSURL *releaseFolderURL in releases) {
BOOL shouldIgnore = NO;
NSString *releaseFolder = [releaseFolderURL lastPathComponent];
for (NSString *ignorePath in ignoreList) {
if (ignorePath.length == 0) {
continue;
}
if ([releaseFolder isEqualToString:ignorePath]) {
shouldIgnore = YES;
break;
}
}
if (!shouldIgnore) {
NSLog(@"Removing old release content: %@", releaseFolderURL.path.lastPathComponent);
[fm removeItemAtURL:releaseFolderURL error:nil];
}
}
}
@end