gistfile1.m

#import "AGPropertyListStorage.h"

@implementation AGPropertyListStorage {
    NSString* _file;
}

@synthesize type = _type;

+(id) storeWithConfig:(id<AGStoreConfig>) storeConfig {
    return [[self alloc] initWithConfig:storeConfig];
}

-(id) initWithConfig:(id<AGStoreConfig>) storeConfig {
    self = [super init];
    if (self) {
        // base inits:
        _type = @"PLIST";
        
        AGStoreConfiguration *config = (AGStoreConfiguration*) storeConfig;
        _recordId = config.recordId;
        
        // TODO: error handling
        if (config.name == nil)
            config.name = @"unnamed";
        
        // calculate path
        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
        NSString *documentsDirectory = [paths objectAtIndex:0];
        _file = [documentsDirectory stringByAppendingPathComponent:config.name];
        
        // if store exists initialize array
        if ([[NSFileManager defaultManager] fileExistsAtPath:_file]) {
            _array = [[NSMutableArray alloc] initWithContentsOfFile:_file];
        } else {
            _array = [[NSMutableArray alloc] init];
        }
    }
    
    return self;
}

-(void) persist {
    [_array writeToFile:_file atomically:YES];
}