revision obj c until 19 sep 2017

main.m

//
//  main.m
//  objective-c relearn
//
//  Created by izzuddin on 10/08/2017.
//  Copyright © 2017 izzuddin. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <stdio.h>
#import "NSObject+BNREmployee.h"
#import "NSObject+BNRAsset.h"


int main(int argc, const char * argv[]) {
    @autoreleasepool {
        
        
        
        
//        BNREmployee *ali = [[BNREmployee alloc] init];
//        [ali setAge:23];
//        [ali setHeight:170.2];
//        [ali setWeight:60.6];
//        [ali setHiredate: @"2017-01-01T08:39:57-08:00" ];
//        
////      dateWithNaturalLanguageString - DEPRECIATED
////        [ali setHiredate:[ NSDate dateWithNaturalLanguageString: @"Aug 2nd, 2017" ]];
//        
//
//        NSDate *tarikhjoin = ali.tarikhmasuk;
//        
//        NSLog(@"ali join the company on %@", tarikhjoin );
//        
//        NSString *alitest = [ali testpad];
//        
//        NSLog(@" return test for ali is char is %@", alitest);
//        
//        NSLog(@"%@ hired on %@", ali, tarikhjoin);
//        
//        BNRPerson *abu = [[BNRPerson alloc] init];
//        [abu setWeight:12.1];
//        [abu setHeight:100.2];
//        [abu setAge:22];
//        
//        BNRAsset *test = [[BNRAsset alloc] init];
//        char *sen = [ test testFunction ];
//
//        NSLog(@"test function %s", sen);
//        
//        NSString *abutest = [abu testpad];
//        NSLog(@" return test for abu char is %@", abutest);
//        
//        BNRAsset *aset = [[BNRAsset alloc] init];
//        
//        [aset setLabel:@"LABEL"];
//        [aset setResaleValue:123];
//        
//        NSLog(@"test dealloc %@ ", aset);
//
        
        
        
        
        
        
        
        
        
        //create an array of BNREmployee objects
        NSMutableArray *employees = [[NSMutableArray alloc] init];
        
        NSMutableDictionary *execs = [[NSMutableDictionary alloc] init];
        
        for (int i = 0; i < 10 ; i++){
            
            //create an instances of BNREmployee
            BNREmployee *mikey = [[BNREmployee alloc] init];
            
//            mikey.age = 25;
            mikey.weight = i + 60 ;
            mikey.employeeID = i;
            
            [employees addObject:mikey];
            
            //check if its the first employee
            if (i == 0){
                [execs setObject:mikey forKey:@"CEO"];
            }
            
            if (i == 1){
                [execs setObject:mikey forKey:@"CTO"];
            }
            
            
        }
        
        NSMutableArray *allAssets = [[NSMutableArray alloc] init];
        
        //create 10 assets
        
        
        for ( int i = 0; i < 10 ; i++){
            
            //create an instances of assets
            BNRAsset *asset = [ [BNRAsset alloc] init];
            
            NSString *currentlabel = [ NSString stringWithFormat: @"Laptop %d", i];
            asset.label = currentlabel;
            asset.resaleValue = 350 * i * 17;
            
            //get a random number between 0 and 8 inclusive;
            NSUInteger randomIndex = random() % [employees count];
            
            //find that employee
            BNREmployee *employee = [employees objectAtIndex:randomIndex];
            
            //assign that assets to the employee
            [employee addAssets: asset];
            [allAssets addObject:asset];
        }
        
        BNREmployee *firstEmployee = [employees objectAtIndex:1];
        
        NSSet *firstEmployeeArray = [firstEmployee assets];
        
        BNRAsset *firstAsset = [allAssets objectAtIndex: 9];
        
        int verdict = [firstEmployeeArray containsObject:firstAsset];
        
        NSLog(@"verdict :%d", verdict );
        

        
        
        //sorting
        
        NSSortDescriptor *voa = [NSSortDescriptor sortDescriptorWithKey:@"valueOfAssets" ascending:YES];
        
        NSSortDescriptor *eid = [NSSortDescriptor sortDescriptorWithKey:@"employeeID" ascending:YES];
        
        [employees sortUsingDescriptors:@[voa, eid]];
        
                NSLog(@"Employee: %@", employees);
        
        
        //filtering
        
        
        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"holder.valueOfAssets > 70"];
        
        NSArray *toBeClaimed = [allAssets filteredArrayUsingPredicate:predicate];
        
        NSLog(@"to be claimed: %@", toBeClaimed);
        
        toBeClaimed = nil;
        
        
        
        
        NSLog(@"Giving up ownership of one employee");
        [employees removeObjectAtIndex:5];
        
        NSLog(@"all assets: %@", allAssets);
        
        NSLog(@"giving up ownership of arrays");
        
        employees = nil ;

        NSLog(@"execs %@", execs);
        
        NSLog(@"CEOadasdasd: %@", execs[@"CEO"]);
        execs = nil;
        
        
        
        
        
        NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
        [dict setObject:@"hola" forKey:@"helo"];
        
        NSString *greeting = [dict objectForKey:@"helo"];
        
//        [dict setObject:@"abu" forKey:@"helo"];
        
        NSMutableArray *list = [[NSMutableArray alloc] init];
        [list addObject:@4];
        [list addObject:@5.6];
        
        NSPoint somePoint = NSMakePoint(100, 100);
        NSValue *pointValue = [ NSValue valueWithPoint:somePoint ];
        [list addObject:pointValue];
        
        
        NSLog(@"\u03c0 is %f", M_PI);
        NSLog(@"%d is larger", MAX(10, 12));
        
        NSLocale *here = [NSLocale currentLocale];
        NSString *currency = [here objectForKey:NSLocaleCurrencyCode];
        NSLog(@"currency is %@", currency);
        
        
        int number = BlendSpeedStir;

        NSLog(@"asdasdasdasdasdasddasdasdasdas%d", number);
        
        
        
    }
    

    return 0;
}

NSObject+BNRAsset.h

//
//  NSObject+BNRAsset.h
//  objective-c relearn
//
//  Created by izzuddin on 25/08/2017.
//  Copyright © 2017 izzuddin. All rights reserved.
//

#import <Foundation/Foundation.h>

@class BNREmployee;


@interface BNRAsset : NSObject

@property (nonatomic, copy) NSString *label;
@property (nonatomic) unsigned int resaleValue;

// use weak reference to make sure smooth deallocation
@property (nonatomic, weak) BNREmployee *holder;



- (char *)testFunction;



@end

NSObject+BNRAsset.m

//
//  NSObject+BNRAsset.m
//  objective-c relearn
//
//  Created by izzuddin on 25/08/2017.
//  Copyright © 2017 izzuddin. All rights reserved.
//

#import "NSObject+BNRAsset.h"
#import "NSObject+BNREmployee.h"


@implementation BNRAsset : NSObject

- (char *)testFunction {
    return "hello world!\n";
}


- (NSString *)description{
//    return [ NSString stringWithFormat:@"<%@: $%u>", self.label, self.resaleValue ];

    if (self.holder){
        return [ NSString stringWithFormat:@"<%@: $%u, assigned to %@>", self.label, self.resaleValue, self.holder ];
    }else{
        return [ NSString stringWithFormat:@"<%@: $%u>", self.label, self.resaleValue ];
    }
    
    
}


- (void)dealloc{
    NSLog(@"deallocating %@", self);
}


@end

NSObject+BNREmployee.h

//
//  NSObject+BNREmployee.h
//  objective-c relearn
//
//  Created by izzuddin on 17/08/2017.
//  Copyright © 2017 izzuddin. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "NSObject+BNRPerson.h"
@class BNRAsset;


@interface BNREmployee : BNRPerson

//class extension pindah ke BNREmployee.m

//{
//    NSMutableArray *_assets;
//}



@property (nonatomic) unsigned int employeeID;
//@property (nonatomic) unsigned int officeAlarmCode;
@property (nonatomic) NSDate *tarikhmasuk;
@property (nonatomic) NSString *lastname;
@property (nonatomic) BNRPerson *spouse;
@property (nonatomic) NSMutableArray * children;
@property (nonatomic, copy) NSSet *assets;



- (void)setHiredate:(NSString *)hiredate;
- (NSString *)testpad;
- (NSString *)description;
- (double)yearsOfEmployment;
- (void)addAssets:(BNRAsset *)a;
- (unsigned int)valueOfAssets;


//- (NSDate *)sethiredate;


//{
//    unsigned int _employeeID;
//    unsigned int _officeAlarmCode;
//    NSDate  *_hireDate;
//}

//
//- (unsigned int)employeeID;
//- (unsigned int)officeAlarmCode;

//- (void)setHireDate: (NSDate *)hiredate;
//- (NSDate *)hireDate;

@end

NSObject+BNREmployee.m

//
//  NSObject+BNREmployee.m
//  objective-c relearn
//
//  Created by izzuddin on 17/08/2017.
//  Copyright © 2017 izzuddin. All rights reserved.
//

#import "NSObject+BNREmployee.h"


//THIS IS A CLASS EXTENSION
@interface BNREmployee ()
{
   NSMutableSet *_assets;
}
@property (nonatomic) unsigned int officeAlarmCode;



@end




#import "NSObject+BNRAsset.h"

//extension


@implementation BNREmployee : BNRPerson


- (void)setAssets:(NSArray *)assets{
    _assets = [assets mutableCopy];
}



- (NSArray *)assets{
    return [ _assets copy];
}


- (void)addAssets:(BNRAsset *)a{
    
    if (!_assets){
        _assets = [ [NSMutableSet alloc] init ];
    }
    
    [_assets addObject: a];
    
    a.holder = self;
}


- (unsigned int)valueOfAssets{
    //sum up the resale value of the assets
    unsigned int sum = 0;
    for (BNRAsset *a in _assets){
        sum += [a resaleValue];
    }
    
    return sum;
}



- (void)setHiredate:(NSString *)hiredate{
    

    NSDateFormatter *date = [ [NSDateFormatter alloc] init ];
    date.locale = [ NSLocale localeWithLocaleIdentifier:@"en_US_POSIX" ];
    date.dateFormat = @"yyyy-MM-dd'T'HH:mm:ssZZZZZ";
    date.timeZone = [ NSTimeZone timeZoneForSecondsFromGMT:0 ];
    NSDate *enterdate = [date dateFromString: hiredate];
    
    _tarikhmasuk = enterdate;
}


- (NSString *)testpad{
    
    return @"xyz";
    
}

- (NSString *)description{
//    return [ NSString stringWithFormat:@"<Employee %d>", self.employeeID ];
    
    return  [NSString stringWithFormat:@"<Employee %u: $%u in assets>", self.employeeID, self.valueOfAssets];
}

- (void)dealloc{
    NSLog(@"deallocating %@", self);
}




//- (unsigned int)employeeID{
//    return _employeeID;
//}
//
//
//- (unsigned int)officeAlarmCode{
//    return _officeAlarmCode;
//}
//
//
//- (void)setHireDate: hiredate{
//    _hireDate = hiredate;
//}
//
//- (NSDate *)hireDate{
//    return _hireDate;
//}
//
//

- (double)yearsOfEmployment{
    
    NSDate *date = [NSDate date];
    
    if (self.tarikhmasuk){
        
        NSTimeInterval secs = [date timeIntervalSinceDate: self.tarikhmasuk ];
        return secs / 31557600.0;
        
    }else{
        return 0;
    }

    
}



@end

NSObject+BNRPerson.h

//
//  NSObject+BNRPerson.h
//  objective-c relearn
//
//  Created by izzuddin on 17/08/2017.
//  Copyright © 2017 izzuddin. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface BNRPerson : NSObject

//{
//    float _weight;
//    float _height;
//    int _age;
//}

//typedef enum
//{
//    Atype = 1,
//    Btype,
//    Ctype,
//    Dtype,
//    Etype,
//    
//}type;


typedef NS_ENUM(char, BlendSpeed){
    BlendSpeedStir,
    BlendSpeedChop
};


@property (nonatomic, readwrite) float weight;
@property (nonatomic, readwrite) float height;

@property (nonatomic) int year;




//- (float)getWeight;
//- (float)getHeight;
//- (int)getAge;
//
//- (void)setWeight: (float)w;
//- (void)setHeight: (float)h;
//- (void)setAge: (int)a;

- (NSString *)testpad;

@end

NSObject+BNRPerson.m

//
//  NSObject+BNRPerson.m
//  objective-c relearn
//
//  Created by izzuddin on 17/08/2017.
//  Copyright © 2017 izzuddin. All rights reserved.
//

#import "NSObject+BNRPerson.h"

@interface BNRPerson ()

@property (nonatomic) int age;


@end


@implementation BNRPerson : NSObject

//- (float)getWeight{
//    return _weight;
//}
//
//- (float)getHeight{
//    return _height;
//}
//
//- (int)getAge{
//    return _age;
//}
//
//- (void)setWeight:(float)w{
//    _weight = w;
//}
//
//- (void)setHeight:(float)h{
//    _height = h;
//}
//
//- (void)setAge:(int)a{
//    _age = a;
//}

- (NSString *)testpad{
    NSString *testchar = @"abc";
    return testchar;
}





@end