FileHelper

FileHelper.h

#import <Foundation/Foundation.h>

@interface FileHelper : NSObject

+(NSString *) getDataFilePath;
+(NSString *) getConfigFilePath;

+(NSString *) getPlistFilePathWithName:(NSString *)name;

+(BOOL) removeFileAtPath:(NSString *)path;

@end

FileHelper.m

#import "FileHelper.h"

#define DataFile @"data"
#define ConfigFile @"config"

@implementation FileHelper

+(NSString *) getDataFilePath {
  return [self getPlistFilePathWithName:DataFile];
}

+(NSString *) getConfigFilePath {
  return [self getPlistFilePathWithName:ConfigFile];
}

+(NSString *) getPlistFilePathWithName:(NSString *)name {
  NSError *error;
  NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
  NSString *documentsDirectory = [paths objectAtIndex:0];
  NSString *path = [documentsDirectory stringByAppendingPathComponent:[name stringByAppendingPathExtension:@"plist"]];
  
  NSFileManager *fileManager = [NSFileManager defaultManager];
  
  if (![fileManager fileExistsAtPath: path]) {
    NSString *bundle = [[NSBundle mainBundle] pathForResource:name ofType:@"plist"];
    
    [fileManager copyItemAtPath:bundle toPath: path error:&error];
  }
  
  return path;
}

+(BOOL) removeFileAtPath:(NSString *)path {
  NSError *error;
  NSFileManager *filemgr = [NSFileManager defaultManager];
  return [filemgr removeItemAtPath:path error:&error];
}

@end