Category for https://github.com/toco/DTAUS to create http://www.bezahlcode.de URLs using the BezahlCode library.

App Delegate

- (BOOL)application:(NSApplication *)sender openFile:(NSString *)filename {
    NSData *fileData = [NSData dataWithContentsOfFile:filename];
    DTAData *aDTAData = [DTAParser parseData:fileData];
    for (NSURL *aUrl in [aDTAData bezahlCodeURLs]) {
        [[NSWorkspace sharedWorkspace] openURL:aUrl];
    }
    BOOL success = aDTAData!=nil;
    if (!success) {
        // handle error
    }
  return success;
}

DTAData+bezahlCode.h

//
//  DTAData+bezahlCode.h
//
//  Created by Tobias Conradi on 06.01.13.
//
// Copyright (c) 2013 Tobias Conradi
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#import "DTAData.h"
#import "DTABuchung.h"
#import "BezahlCodeLinkCreator.h"


@interface DTAData (bezahlCode)
/*!
 * @return Returns an array of bezahlCode URLs containing all DTABuchung instances in DTAData.
 */
- (NSArray*) bezahlCodeURLs;
@end

@interface DTABuchung (bezahlCode)

/*!
 * Returns a bezahlCode URL representation of itself by using BezahlCodeLinkCreator
 *
 * @param executionDate date of execution
 * @param isPayment YES for payment, NO for debit
 */
- (NSURL *)bezahlCodeWithExecutionDate:(NSDate*)executionDate payment:(BOOL) isPayment;
@end

DTAData+bezahlCode.m

//
//  DTAData+bezahlCode.m
//
//  Created by Tobias Conradi on 06.01.13.
//
// Copyright (c) 2013 Tobias Conradi
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#import "DTAData+bezahlCode.h"

@implementation DTAData (bezahlCode)
- (NSArray *)bezahlCodeURLs {
    NSMutableArray *bezahlCodes = [NSMutableArray arrayWithCapacity:[self.buchungen count]];
    NSDate *executionDate = nil; // TODO: self.ausfuerungsDatum convert to date
    if ([[self.ausfuerungsDatum stringByReplacingOccurrencesOfString:@" " withString:@""] length]) {
        NSDateFormatter *formatter = [NSDateFormatter new];
        [formatter setDateFormat:@"ddMMyy"];
        executionDate = [formatter dateFromString:self.ausfuerungsDatum];
    } else {
        executionDate = [NSDate date];
    }
    
    BOOL isPayment = ![[[self art] substringToIndex:1] isEqualToString:@"L"];
    
    for (DTABuchung *aBuchung in self.buchungen) {
        [bezahlCodes addObject:[aBuchung bezahlCodeWithExecutionDate:executionDate payment:isPayment]];
    }
    return [bezahlCodes copy];
}

@end

@implementation DTABuchung (bezahlCode)

- (NSURL *)bezahlCodeWithExecutionDate:(NSDate*)executionDate payment:(BOOL) isPayment{
    NSParameterAssert(executionDate);
    NSString *betrag = [self.betrag stringByReplacingCharactersInRange:NSMakeRange([self.betrag length]-2, 0) withString:@","];
    NSString *currencyCode = @"DM";
    if ([self.waehrung isEqualToString:@"1"]) {
        currencyCode = @"EUR";
    }
    
    BezahlCodeLinkCreatorLinkTypes paymentType = isPayment ? EBezahlCodeLinkCreatorLinkType_SinglePayment : EBezahlCodeLinkCreatorLinkType_SingleDirectDebit;
    NSString *bezahlCode = [BezahlCodeLinkCreator CreateBezahlCodeForType:paymentType
                                                                 withName:self.kundenName
                                                        withAccountNumber:self.kundenKontonummer
                                                                  withBNC:self.kundenBankleitzahl
                                                         withReasonsArray:self.verwendungszweck
                                                               withAmount:betrag
                                                         withCurrencyCode:currencyCode
                                                           withPostingKey:self.buchungsSchluessel
                                                  withPostingKeyExtension:self.buchungsSchluesselErgaenzung
                                                        withExecutionDate:executionDate
                                                     withPeriodicTimeUnit:nil
                                             withPeriodicTimeUnitRotation:0
                                           withPeriodicFirstExecutionDate:nil
                                            withPeriodicFirstExecutionDay:0
                                            withPeriodicLastExecutionDate:nil
                            ];
    return [NSURL URLWithString:bezahlCode];
}
@end