(Objective-C) Sorting Email

Demonstrates how to sort an email bundle.

Note: This example requires Chilkat v11.0.0 or greater.

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#import <CkoImap.h>
#import <CkoMessageSet.h>
#import <CkoEmailBundle.h>
#import <CkoEmail.h>

BOOL success = NO;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoImap *imap = [[CkoImap alloc] init];

// Connect to the IMAP server.
// Use TLS
imap.Ssl = YES;
imap.Port = [NSNumber numberWithInt:993];
success = [imap Connect: @"imap.someMailServer.com"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Login
success = [imap Login: @"myLogin" password: @"myPassword"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Select an IMAP mailbox
success = [imap SelectMailbox: @"Inbox"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

BOOL fetchUids = YES;
CkoMessageSet *messageSet = [[CkoMessageSet alloc] init];
success = [imap QueryMbx: @"ALL" bUid: fetchUids msgSet: messageSet];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Fetch the email headers into a bundle object:
CkoEmailBundle *bundle = [[CkoEmailBundle alloc] init];
BOOL headersOnly = YES;
success = [imap FetchMsgSet: headersOnly msgSet: messageSet bundle: bundle];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Sort the email bundle by date, recipient, sender, or subject:
BOOL ascending = YES;
[bundle SortByDate: ascending];

// To sort by recipient, sender, or subject, call 
// SortBySender, SortByRecipient, or SortBySubject.

// Display the Subject and From of each email.
CkoEmail *email = [[CkoEmail alloc] init];
int i = 0;
while (i < [bundle.MessageCount intValue]) {
    [bundle EmailAt: [NSNumber numberWithInt: i] email: email];

    NSLog(@"%@",[email GetHeaderField: @"Date"]);
    NSLog(@"%@",email.Subject);
    NSLog(@"%@",email.From);
    NSLog(@"%@",@"--");

    i = i + 1;
}

// Disconnect from the IMAP server.
success = [imap Disconnect];