OC Contacts Medium Difficulty

Contact.h

#import <Foundation/Foundation.h>

@interface Contact:nsobject

{

NSString *_name;

NSString *_gender;

Nsinteger _age;

NSString *_address;

NSString *_phonenumber;

NSString *_group;

}

-(void) SetName: (NSString *) name;

-(NSString *) name;

-(void) Setgender: (NSString *) gender;

-(NSString *) gender;

-(void) Setage: (Nsinteger) age;

-(Nsinteger) age;

-(void) Setaddress: (NSString *) address;

-(NSString *) address;

-(void) Setphonenumber: (NSString *) PhoneNumber;

-(NSString *) PhoneNumber;

-(void) Setgroup: (NSString *) group;

-(NSString *) group;

-(Instancetype) Initwithname: (NSString *) name Gender: (NSString *) Gender Age: (Nsinteger) Address of age: (NSString *) Address PhoneNumber: (NSString *) PhoneNumber;

-(void) introduce;

-(NSString *) description;

-(Nscomparisonresult) Comparebyname: (contact *) Contact;

-(Nscomparisonresult) Comparebyage: (contact *) Contact;

@end

Contact.m

#import "Contact.h"

@implementation Contact

-(void) SetName: (NSString *) name {

_name = name;

}

-(NSString *) name {

return _name;

}

-(void) Setgender: (NSString *) Gender {

_gender = gender;

}

-(NSString *) Gender {

return _gender;

}

-(void) Setage: (Nsinteger) Age {

_age = age;

}

-(Nsinteger) Age {

return _age;

}

-(void) Setaddress: (NSString *) address {

_address = address;

}

-(NSString *) address {

return _address;

}

-(void) Setphonenumber: (NSString *) PhoneNumber {

_PhoneNumber = PhoneNumber;

}

-(NSString *) PhoneNumber {

return _phonenumber;

}

-(void) Setgroup: (NSString *) Group {

_group = Group;

}

-(NSString *) Group {

return _group;

}

-(Instancetype) Initwithname: (NSString *) name Gender: (NSString *) Gender Age: (Nsinteger) Address of age: (NSString *) Address PhoneNumber: (NSString *) PhoneNumber {

self = [super init];

if (self) {

[Self setname:name];

[Self setgender:gender];

[Self setage:age];

[Self setaddress:address];

[Self setphonenumber:phonenumber];

_group = [_name substringtoindex:1];

}

return self;

}

-(void) Introduce {

NSLog (@ "%@%@%ld%@%@%@", _name, _gender, _age, _address, _PhoneNumber, _group);

}

-(NSString *) Description {

return [[NSString alloc] initwithformat:@ "%@%@%ld%@%@%@", _name, _gender, _age, _address, _PhoneNumber, _group];

}

-(Nscomparisonresult) Comparebyname: (Contact *) Contact {

NSString *selfname = [self name];

NSString *contactname = [contact name];

Nscomparisonresult result = [Selfname compare:contactname];

return result;

}

-(Nscomparisonresult) Comparebyage: (Contact *) Contact {

Nsinteger selfage = [self-age];

Nsinteger contactage = [contact Age];

if (Selfage > Contactage) {

return nsorderedascending;

}

else if (Selfage < contactage) {

return nsordereddescending;

}

Else

{

return nsorderedsame;

}

}

@end

ContactManger.h

#import <Foundation/Foundation.h>

#import "Contact.h"

@interface Contactmanager:nsobject

{

NSString *_name;

Nsmutabledictionary *_contactlist;

}

-(void) SetName: (NSString *) name;

-(NSString *) name;

-(Instancetype) Initwithname: (NSString *) name;

Add a Contact

-(void) Addnewcontact: (contact *) Contact;

Get all the contacts under the group and sort by name in ascending order

-(Nsarray *) Getallcontactsbygroupname: (NSString *) groupName;

Search for corresponding contacts by number

-(Contact *) Findcontactbyphonenumber: (NSString *) PhoneNumber;

Get all female contacts in descending order of age

-(Nsarray *) Getallfemalcontactsbygender: (NSString *) gender;

Delete a contact by name

-(void) Removecontactbyname: (NSString *) name;

Delete all contacts under a group

-(void) Removeallcontactsbygroupname: (NSString *) groupName;

Show All Contacts

-(void) showallcontacts;

@end

Contactmanger.m

#import "ContactManager.h"

@implementation Contactmanager

-(void) SetName: (NSString *) name {

_name = name;

}

-(NSString *) name {

return _name;

}

-(Instancetype) Initwithname: (NSString *) name {

self = [super init];

if (self) {

[Self setname:name];

_contactlist = [[Nsmutabledictionary alloc] initwithcapacity:0];

}

return self;

}

Add a Contact

-(void) Addnewcontact: (Contact *) Contact {

if (nil = = [contact Name] | | nil = = [Contact PhoneNumber]) {

NSLog (@ "Are you out of your mind?");

} else {

Nsmutablearray *array = [_contactlist objectforkey:[contact Group]];

if (nil = = array) {

To initialize an array

Array = [[Nsmutablearray alloc] initwithcapacity:0];

[Array addobject:contact];

[_contactlist Setobject:array forkey:[contact Group];

}

else {

[Array addobject:contact];

}

}

}

Get all the contacts under the group and sort by name in ascending order

-(Nsarray *) Getallcontactsbygroupname: (NSString *) GroupName {

Nsarray *contacts = [_contactlist objectforkey:groupname];

Nsarray *newarray = [Contacts sortedarrayusingselector: @selector (comparebyname:)];

return newarray;

}

Search for corresponding contacts by number

-(Contact *) Findcontactbyphonenumber: (NSString *) PhoneNumber {

For (NSString *key in _contactlist) {

Nsmutablearray *array = [_contactlist Objectforkey:key];

For (contact *contact in array) {

if ([PhoneNumber isequaltostring:[contact PhoneNumber]]) {

return contact;

}

}

}

return nil;

}

Get all female contacts in descending order of age

-(Nsarray *) Getallfemalcontactsbygender: (NSString *) Gender {

Nsmutablearray *femalarray = [[Nsmutablearray alloc] initwithcapacity:0];

For (NSString *key in _contactlist) {

Nsmutablearray *array = [_contactlist Objectforkey:key];

For (contact *contact in array) {

if ([Gender isequaltostring:[contact Gender]]) {

[Femalarray Addobject:contact];

}

}

}

[Femalarray sortusingselector: @selector (comparebyage:)];

return femalarray;

}

Delete a contact by name

-(void) Removecontactbyname: (NSString *) name {

Contact *c;

NSString *newkey;

For (NSString *key in _contactlist) {

Nsmutablearray *array = [_contactlist Objectforkey:key];

For (contact *contact in array) {

if ([name Isequaltostring:[contact name]]) {

[Array removeobject:contact];

Return

c = Contact;

NewKey = key;

}

}

}

[[_contactlist Objectforkey:newkey] removeobject:c];

}

Delete all contacts under a group

-(void) Removeallcontactsbygroupname: (NSString *) GroupName {

[_contactlist Removeobjectforkey:groupname];

}

Show All Contacts

-(void) Showallcontacts {

Nsarray *allkeys = [_contactlist AllKeys];

Nsarray *newarray = [AllKeys sortedarrayusingselector: @selector (compare:)];

For (NSString *key in NewArray) {

Nsmutablearray *array = [_contactlist Objectforkey:key];

NSLog (@ "-----%@-----", key);

For (contact *contact in array) {

[Contact introduce];

}

}

}

@end

Main.m

#import <Foundation/Foundation.h>

#import "ContactManager.h"

int main (int argc, const char * argv[]) {

Contactmanager *cm = [[Contactmanager alloc] initwithname:@ "SHS150913 Address Book (medium difficulty)"];

Contact *C1 = [[Contact alloc] initwithname:@ "Wangzhiwen" gender:@ "male" age:18 address:@ "Li de" phonenumber:@ "15156056193"];

Contact *C2 = [[Contact alloc] initwithname:@ "xumin" gender:@ "female" age:19 address:@ "Lai Tak Hotel" phonenumber:@ "15951758095"];

Contact *C3 = [[Contact alloc] initwithname:@ "Zhanglu" gender:@ "female" age:20 address:@ "Lai Tak Hotel" phonenumber:@ "15951758639"];

Contact *C4 = [[Contact alloc] initwithname:@ "Xuzizhong" gender:@ "male" age:21 address:@ "Li de" phonenumber:@ "18862162030"];

Contact *C5 = [[Contact alloc] initwithname:@ "Wangtao" gender:@ "male" age:22 address:@ "Li de" phonenumber:@ "18329032011"];

Contact *C6 = [[Contact alloc] initwithname:@ "qiuse" gender:@ "male" age:23 address:@ "Li de" phonenumber:@ "18321978135"];

Contact *C7 = [[Contact alloc] initwithname:@ "JuJu" gender:@ "female" age:24 address:@ "Lai Tak" phonenumber:@ "15156697015"];

[cm ADDNEWCONTACT:C1];

[cm ADDNEWCONTACT:C2];

[cm addnewcontact:c3];

[cm ADDNEWCONTACT:C4];

[cm addnewcontact:c5];

[cm addnewcontact:c6];

[cm Addnewcontact:c7];

[cm showallcontacts];

NSLog (@ "-----gorgeous split-line-----");

Nsarray *array = [cm getallcontactsbygroupname:@ "w"];

NSLog (@ "%@", array);

NSLog (@ "-----gorgeous split-line-----");

Contact *resultcontact = [cm findcontactbyphonenumber:@ "15156697015"];

NSLog (@ "%@", resultcontact);

NSLog (@ "-----gorgeous split-line-----");

Nsarray *femalarray = [cm getallfemalcontactsbygender:@ "female"];

NSLog (@ "%@", Femalarray);

NSLog (@ "-----gorgeous split-line-----");

[cm removecontactbyname:@ "juju"];

[cm showallcontacts];

NSLog (@ "-----gorgeous split-line-----");

[cm removeallcontactsbygroupname:@ "w"];

[cm showallcontacts];

return 0;

}

OC Contacts Medium Difficulty