GiGaMaskTime/Pods/LKDBHelper/LKDBHelper/Helper/LKDBUtils.m

//
//  NSObject+LKUtils.m
//  LKDBHelper
//
//  Created by LJH on 13-4-15.
//  Copyright (c) 2013年 ljh. All rights reserved.
//

#import "LKDBUtils.h"

@interface LKDateFormatter : NSDateFormatter
@property (nonatomic, strong) NSRecursiveLock *lock;
@end

@implementation LKDateFormatter
- (id)init
{
    self = [super init];
    if (self) {
        self.lock = [[NSRecursiveLock alloc] init];
        self.generatesCalendarDates = YES;
        self.dateStyle = NSDateFormatterNoStyle;
        self.timeStyle = NSDateFormatterNoStyle;
        self.AMSymbol = nil;
        self.PMSymbol = nil;
        NSLocale *locale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
        if (locale) {
            [self setLocale:locale];
        }
    }
    return self;
}
//防止在IOS5下 多线程 格式化时间时 崩溃
- (NSDate *)dateFromString:(NSString *)string
{
    [_lock lock];
    NSDate *date = [super dateFromString:string];
    [_lock unlock];
    return date;
}
- (NSString *)stringFromDate:(NSDate *)date
{
    [_lock lock];
    NSString *string = [super stringFromDate:date];
    [_lock unlock];
    return string;
}
@end

@interface LKNumberFormatter : NSNumberFormatter

@end

@implementation LKNumberFormatter
- (NSString *)stringFromNumber:(NSNumber *)number
{
    NSString *string = [number stringValue];
    if (!string) {
        string = [NSString stringWithFormat:@"%lf", [number doubleValue]];
    }
    return string;
}
- (NSNumber *)numberFromString:(NSString *)string
{
    NSNumber *number = [super numberFromString:string];
    if (!number) {
        number = @(string.doubleValue);
    }
    return number;
}
@end

@implementation LKDBUtils

+ (BOOL)createDirectoryWithFilePath:(NSString *)filePath
{
    NSString *dirPath = filePath.stringByDeletingLastPathComponent;
    if (!dirPath) {
        return NO;
    }
    
    NSFileManager *fileManager = [NSFileManager defaultManager];
    
    BOOL isDir = NO;
    BOOL isCreated = [fileManager fileExistsAtPath:dirPath isDirectory:&isDir];
    
#ifdef __IPHONE_OS_VERSION_MIN_REQUIRED
    NSDictionary *attributes = @{NSFileProtectionKey: NSFileProtectionNone};
#else
    NSDictionary *attributes = nil;
#endif
    
    if (!isCreated || !isDir) {
        NSError *error = nil;
        BOOL success = [fileManager createDirectoryAtPath:dirPath
                              withIntermediateDirectories:YES
                                               attributes:attributes
                                                    error:&error];
        if (!success) {
            LKErrorLog(@"create dir error: %@", error.debugDescription);
            /// 下个主线程继续尝试次
            dispatch_async(dispatch_get_main_queue(), ^{
                [fileManager createDirectoryAtPath:dirPath
                       withIntermediateDirectories:YES
                                        attributes:attributes
                                             error:nil];
            });
        }
        return success;
    } else {
        /**
         *  @brief  Disk I/O error when device is locked
         *          https://github.com/ccgus/fmdb/issues/262
         */
#ifdef __IPHONE_OS_VERSION_MIN_REQUIRED
        [fileManager setAttributes:attributes
                      ofItemAtPath:dirPath
                             error:nil];
#endif
        return YES;
    }
}

+ (NSString *)getDocumentPath
{
#ifdef __IPHONE_OS_VERSION_MIN_REQUIRED
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    return documentsDirectory;
#else
    NSString *homePath = [[NSBundle mainBundle] resourcePath];
    return homePath;
#endif
}
+ (NSString *)getDirectoryForDocuments:(NSString *)dir
{
    NSString *dirPath = [[self getDocumentPath] stringByAppendingPathComponent:dir];
    BOOL isDir = NO;
    BOOL isCreated = [[NSFileManager defaultManager] fileExistsAtPath:dirPath isDirectory:&isDir];
    if (isCreated == NO || isDir == NO) {
        NSError *error = nil;
        BOOL success = [[NSFileManager defaultManager] createDirectoryAtPath:dirPath withIntermediateDirectories:YES attributes:nil error:&error];
        if (success == NO)
            NSLog(@"create dir error: %@", error.debugDescription);
    }
    return dirPath;
}
+ (NSString *)getPathForDocuments:(NSString *)filename
{
    return [[self getDocumentPath] stringByAppendingPathComponent:filename];
}
+ (NSString *)getPathForDocuments:(NSString *)filename inDir:(NSString *)dir
{
    return [[self getDirectoryForDocuments:dir] stringByAppendingPathComponent:filename];
}
+ (BOOL)isFileExists:(NSString *)filepath
{
    return [[NSFileManager defaultManager] fileExistsAtPath:filepath];
}
+ (BOOL)deleteWithFilepath:(NSString *)filepath
{
    return [[NSFileManager defaultManager] removeItemAtPath:filepath error:nil];
}
+ (NSArray *)getFilenamesWithDir:(NSString *)dir
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    NSArray *fileList = [fileManager contentsOfDirectoryAtPath:dir error:nil];
    return fileList;
}
+ (BOOL)checkStringIsEmpty:(NSString *)string
{
    if (string == nil) {
        return YES;
    }
    if ([string isKindOfClass:[NSString class]] == NO) {
        return YES;
    }
    if (string.length == 0) {
        return YES;
    }
    return [[self getTrimStringWithString:string] isEqualToString:@""];
}
+ (NSString *)getTrimStringWithString:(NSString *)string
{
    return [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
}

+ (NSDateFormatter *)getDBDateFormat
{
    static NSDateFormatter *format;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        format = [[LKDateFormatter alloc] init];
        format.dateFormat = @"yyyy-MM-dd HH:mm:ss";
    });
    return format;
}
+ (NSString *)stringWithDate:(NSDate *)date
{
    NSDateFormatter *formatter = [self getDBDateFormat];
    NSString *datestr = [formatter stringFromDate:date];
    if (datestr.length > 19) {
        datestr = [datestr substringToIndex:19];
    }
    return datestr;
}
+ (NSDate *)dateWithString:(NSString *)str
{
    NSDateFormatter *formatter = [self getDBDateFormat];
    NSDate *date = [formatter dateFromString:str];
    return date;
}
+ (NSNumberFormatter *)numberFormatter
{
    static NSNumberFormatter *numberFormatter = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        numberFormatter = [[LKNumberFormatter alloc] init];
    });
    return numberFormatter;
}
@end

inline NSString *LKSQLTypeFromObjcType(NSString *objcType)
{
    if ([LKSQL_Convert_IntType rangeOfString:objcType].length > 0) {
        return LKSQL_Type_Int;
    }
    if ([LKSQL_Convert_FloatType rangeOfString:objcType].length > 0) {
        return LKSQL_Type_Double;
    }
    if ([LKSQL_Convert_BlobType rangeOfString:objcType].length > 0) {
        return LKSQL_Type_Blob;
    }

    return LKSQL_Type_Text;
}

@implementation LKDBQueryParams

@end