(Objective-C) IMAP Copy Email from Selected Folder to Another Folder

Copies an email from the selected mailbox (folder) to another mailbox (folder).

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

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

// This example copies an email from one mailbox to another.
CkoImap *imap = [[CkoImap alloc] init];

// Turn on session logging for debugging.
imap.KeepSessionLog = YES;

// Connect using TLS.
imap.Ssl = YES;
imap.Port = [NSNumber numberWithInt:993];
BOOL success = [imap Connect: @"imap.example.com"];
if (success != YES) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Authenticate
success = [imap Login: @"email_account_login" password: @"email_account_password"];
if (success != YES) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Select an IMAP mailbox
success = [imap SelectMailbox: @"Inbox"];
if (success != YES) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Search for messages having "Test email" in the subject.
BOOL fetchUids = YES;
CkoMessageSet *messageSet = [imap Search: @"SUBJECT \"Test email\"" bUid: fetchUids];
if (imap.LastMethodSuccess != YES) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Assuming we have 1 or more messages in the set, copy the 1st one to the folder "Inbox.testFolder"
if ([messageSet.Count intValue] > 0) {
    success = [imap Copy: [messageSet GetId: [NSNumber numberWithInt: 0]] bUid: messageSet.HasUids copyToMailbox: @"Inbox/testFolder"];
    if (success != YES) {
        NSLog(@"%@",imap.LastErrorText);
    }

}

NSLog(@"%@",imap.SessionLog);

NSLog(@"%@",@"OK");

// Sample sessiong log:

// ----INFO----
// Connecting to IMAP server at outlook.office365.com:993
// ----IMAP RESPONSE----
// * OK The Microsoft Exchange IMAP4 service is ready. [QgBMADAAUABSADAAMQAwADIAQwBBADAAMAA3ADAALgBwAHIAbwBkAC4AZQB4AGMAaABhAG4AZwBlAGwAYQBiAHMALgBjAG8AbQA=]
// ----IMAP REQUEST----
// aaab LOGIN "chilkat@live.com"
// ----IMAP RESPONSE----
// aaab OK LOGIN completed.
// ----IMAP REQUEST----
// aaac SELECT "Inbox"
// ----IMAP RESPONSE----
// * 28 EXISTS
// * 0 RECENT
// * FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
// * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
// * OK [UNSEEN 23] Is the first unseen message
// * OK [UIDVALIDITY 14] UIDVALIDITY value
// * OK [UIDNEXT 6416] The next unique identifier value
// aaac OK [READ-WRITE] SELECT completed.
// ----IMAP REQUEST----
// aaad UID SEARCH SUBJECT "Test email"
// ----IMAP RESPONSE----
// * SEARCH 6414
// aaad OK SEARCH completed.
// ----IMAP REQUEST----
// aaae UID COPY 6414 "Inbox/testFolder"
// ----IMAP RESPONSE----
// aaae OK [COPYUID 180 6414 1] COPY completed.
// 
// OK