Passbook

passbookClone.m

// To create a coupon or storecard feature in your app
// you can do the following

@interface Card : NSObject <KCSPersistable>

@property (nonatomic, retain) NSString *cardId;
@property (nonatomic, retain) NSString *code;
@property (nonatomic, retain) NSString *cardName;
@property (nonatomic, retain) NSString *firstName;
@property (nonatomic, retain) NSString *lastName;

@end

@implementation Card

@synthesize cardId;
@synthesize code;
@synthesize cardName;
@synthesize firstName;
@synthesize lastName;

// Kinvey: Mapping function
- (NSDictionary *)hostToKinveyPropertyMapping
{
    // So it's only initialized once
    static NSDictionary *mapping = nil;
    
    if (mapping == nil){
        mapping = [NSDictionary dictionaryWithObjectsAndKeys:
                   @"_id", @"cardId",              // cardId maps to _id
                   @"code", @"code",
                   @"firstName", @"firstName",
                   @"lastName", @"lastName",
                   @"cardName", @"cardName", nil];
    }
    
    return mapping;
}

@end


// Sometime later... in a view controller...
- (void)performApplicationLogic
{

    // Your code here...

    KCSCollection *cards = [[KCSClient sharedClient] collectionFromString:@"cards" 
                                                                withClass:[Card class]];


    KCSQuery *q = [KCSQuery query];
    [q addQueryOnField:@"firstName" withExactMatchForValue:self.firstNameTextField.text];
    [q addQueryOnField:@"lastName" withExactMatchForValue:self.lastNameTextFiled.text];

    cards.query = q;
    [cards fetchWithDelegate:self];

    // Your code continues...

}


// In your delegate

- (void)collection:(KCSCollection *)collection didCompleteWithResult:(NSArray *)result
{
    for (Card *card in result){
        // Build a card here

        // Encode our code as a QR-Code
        // (Using: http://myang-git.github.com/QR-Code-Encoder-for-Objective-C/ as an example)
        DataMatrix* qrMatrix = [QREncoder encodeWithECLevel:QR_ECLEVEL_AUTO
                                                    version:QR_VERSION_AUTO
                                                     string:card.code];

        // Render to an image
        UIImage* qrcodeImage = [QREncoder renderDataMatrix:qrMatrix
                                            imageDimension:qrcodeImageDimension];

        // Use the first name and last name to finish building your card here,
        // then display everything
    }