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AlarmItemStore.m
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AlarmItemStore.m
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#import "AlarmItemStore.h"
#import "AlarmItem.h"
@interface AlarmItemStore()
@property (nonatomic) NSMutableArray *privateItems;
@end
@implementation AlarmItemStore
@synthesize allItems;
+ (instancetype)sharedStore
{
static AlarmItemStore *sharedStore = nil;
if (!sharedStore) {
sharedStore = [[self alloc] initPrivate];
}
return sharedStore;
}
- (instancetype)init
{
@throw [NSException exceptionWithName:@"Singleton"
reason:@"Use +[BNRItemStore sharedStore]"
userInfo:nil];
return nil;
}
- (instancetype)initPrivate
{
self = [super init];
if (self) {
_privateItems = [[NSMutableArray alloc] init];
}
return self;
}
- (NSArray *)allItems
{
return self.privateItems;
// return [self.privateItems copy];
}
- (AlarmItem *)createItem
{
AlarmItem *item = [AlarmItem initItem];
[self.privateItems addObject:item];
return item;
}
-(void)removeItem:(AlarmItem *)item
{
[self.privateItems removeObjectIdenticalTo:item];
}
- (void)moveItemAtIndex:(NSUInteger)fromIndex
toIndex:(NSUInteger)toIndex
{
if (fromIndex == toIndex) {
return;
}
AlarmItem *item = self.privateItems[fromIndex];
[self.privateItems removeObjectAtIndex:fromIndex];
[self.privateItems insertObject:item atIndex:toIndex];
}
- (NSString *)itemArchivePath
{
NSArray *documentDirectories = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentDirectory = [documentDirectories firstObject];
return [documentDirectory stringByAppendingPathComponent:@"items.archive"];
}
- (BOOL)saveChanges
{
NSString *path = [self itemArchivePath];
return [NSKeyedArchiver archiveRootObject:self.privateItems toFile:path];
}
@end