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			111 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Objective-C
		
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Objective-C
		
	
| //
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| //  Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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| //
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| 
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| #import "YapDatabaseTransaction+OWS.h"
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| #import <Curve25519Kit/Curve25519.h>
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| 
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| NS_ASSUME_NONNULL_BEGIN
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| 
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| @implementation YapDatabaseReadTransaction (OWS)
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| 
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| - (nullable id)objectForKey:(NSString *)key inCollection:(NSString *)collection ofExpectedType:(Class) class {
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|     id _Nullable value = [self objectForKey:key inCollection:collection];
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|     return value;
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| }
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| 
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| - (nullable NSDictionary *)dictionaryForKey : (NSString *)key inCollection : (NSString *)collection
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| {
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|     return [self objectForKey:key inCollection:collection ofExpectedType:[NSDictionary class]];
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| }
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| 
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| - (nullable NSString *)stringForKey:(NSString *)key inCollection:(NSString *)collection
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| {
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|     return [self objectForKey:key inCollection:collection ofExpectedType:[NSString class]];
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| }
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| 
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| - (BOOL)boolForKey:(NSString *)key inCollection:(NSString *)collection defaultValue:(BOOL)defaultValue
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| {
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|     NSNumber *_Nullable value = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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|     return value ? [value boolValue] : defaultValue;
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| }
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| 
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| - (nullable NSData *)dataForKey:(NSString *)key inCollection:(NSString *)collection
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| {
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|     return [self objectForKey:key inCollection:collection ofExpectedType:[NSData class]];
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| }
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| 
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| - (nullable ECKeyPair *)keyPairForKey:(NSString *)key inCollection:(NSString *)collection
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| {
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|     return [self objectForKey:key inCollection:collection ofExpectedType:[ECKeyPair class]];
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| }
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| 
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| - (int)intForKey:(NSString *)key inCollection:(NSString *)collection
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| {
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|     NSNumber *_Nullable number = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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|     return [number intValue];
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| }
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| 
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| - (nullable NSDate *)dateForKey:(NSString *)key inCollection:(NSString *)collection
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| {
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|     NSNumber *_Nullable value = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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|     if (value) {
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|         return [NSDate dateWithTimeIntervalSince1970:value.doubleValue];
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|     } else {
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|         return nil;
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|     }
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| }
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| 
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| @end
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| 
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| #pragma mark -
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| 
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| @implementation YapDatabaseReadWriteTransaction (OWS)
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| 
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| #pragma mark - Debug
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| 
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| #if DEBUG
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| - (void)snapshotCollection:(NSString *)collection snapshotFilePath:(NSString *)snapshotFilePath
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| {
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|     NSMutableDictionary<NSString *, id> *snapshot = [NSMutableDictionary new];
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|     [self enumerateKeysAndObjectsInCollection:collection
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|                                    usingBlock:^(NSString *_Nonnull key, id _Nonnull value, BOOL *_Nonnull stop) {
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|                                        snapshot[key] = value;
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|                                    }];
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|     NSData *_Nullable data = [NSKeyedArchiver archivedDataWithRootObject:snapshot];
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|     BOOL success = [data writeToFile:snapshotFilePath atomically:YES];
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| }
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| 
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| - (void)restoreSnapshotOfCollection:(NSString *)collection snapshotFilePath:(NSString *)snapshotFilePath
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| {
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| 
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|     NSData *_Nullable data = [NSData dataWithContentsOfFile:snapshotFilePath];
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|     NSMutableDictionary<NSString *, id> *_Nullable snapshot = [NSKeyedUnarchiver unarchiveObjectWithData:data];
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| 
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|     [self removeAllObjectsInCollection:collection];
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|     [snapshot enumerateKeysAndObjectsUsingBlock:^(NSString *_Nonnull key, id _Nonnull value, BOOL *_Nonnull stop) {
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|         [self setObject:value forKey:key inCollection:collection];
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|     }];
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| }
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| #endif
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| 
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| - (void)setBool:(BOOL)value forKey:(NSString *)key inCollection:(NSString *)collection
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| {
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|     NSNumber *_Nullable oldValue = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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|     if (oldValue && [@(value) isEqual:oldValue]) {
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|         // Skip redundant writes.
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|         return;
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|     }
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| 
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|     [self setObject:@(value) forKey:key inCollection:collection];
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| }
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| 
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| - (void)setDate:(NSDate *)value forKey:(NSString *)key inCollection:(NSString *)collection
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| {
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|     [self setObject:@(value.timeIntervalSince1970) forKey:key inCollection:collection];
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| }
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| 
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| @end
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| 
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| NS_ASSUME_NONNULL_END
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