Copy db files to app documents

DatabaseFileManager.hm

// DatabaseFileManager.h

#import <Foundation/Foundation.h>

@interface DatabaseFileManager : NSObject

+ (void) manageFiles :(NSArray *) arrayOfDatabaseNames;

@end

// DatabaseFileManager.m

#import "DatabaseFileManager.h"

@implementation DatabaseFileManager

+ (void) manageFiles:(NSArray *)arrayOfDatabaseNames
{
    for(NSString *databaseName in arrayOfDatabaseNames)
    {
        NSArray *documentPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
        NSString *databasePath = [[documentPaths objectAtIndex:0] stringByAppendingPathComponent:databaseName];
        [self createAndCheckDatabase:databasePath nameOfDatabase:databaseName];
    }
}

+ (void) createAndCheckDatabase : (NSString *)databasePath nameOfDatabase: (NSString *)databaseName
{
    BOOL success;
    NSError *error;
    NSFileManager *fileManager = [NSFileManager defaultManager];
    success = [fileManager fileExistsAtPath:databasePath];
    if(success) return;
    NSString *databasePathFromApp = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:databaseName];
    [fileManager copyItemAtPath:databasePathFromApp toPath:databasePath error:&error];
    NSLog(@"Error : %@", error);
}


@end