File indexing completed on 2024-06-23 05:21:13

 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.net/
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of
    the License or (at your option) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 
 #include "ExpungeMessagesTask.h"
 #include "Imap/Model/ItemRoles.h"
 #include "Imap/Model/Model.h"
 #include "Imap/Model/MailboxTree.h"
 #include "KeepMailboxOpenTask.h"
 
 namespace Imap
 {
 namespace Mailbox
 {
 
 
 ExpungeMessagesTask::ExpungeMessagesTask(Model *model, ImapTask *parentTask, const QList<QPersistentModelIndex> &messages):
     ImapTask(model), conn(parentTask), messages(messages)
 {
     if (messages.isEmpty()) {
         throw CantHappen("ExpungeMessagesTask called with empty message set");
     }
     Q_ASSERT(conn);
     conn->addDependentTask(this);
 }
 
 void ExpungeMessagesTask::perform()
 {
     parser = conn->parser;
     markAsActiveTask();
 
     IMAP_TASK_CHECK_ABORT_DIE;
 
     Sequence seq;
     bool first = true;
 
     Q_FOREACH(const QPersistentModelIndex& index, messages) {
         if (! index.isValid()) {
             // That message is gone already
         } else {
             TreeItem *item = static_cast<TreeItem *>(index.internalPointer());
             Q_ASSERT(item);
             TreeItemMessage *message = dynamic_cast<TreeItemMessage *>(item);
             Q_ASSERT(message);
             if (first) {
                 seq = Sequence(message->uid());
                 first = false;
             } else {
                 seq.add(message->uid());
             }
         }
     }
 
     if (first) {
         // No valid messages
         _failed(tr("All messages are gone already"));
         return;
     }
 
     if (!model->accessParser(parser).capabilities.contains(QStringLiteral("UIDPLUS"))) {
         _failed(tr("The IMAP server doesn't support the UIDPLUS extension"));
     }
 
     tag = parser->uidExpunge(seq);
 }
 
 bool ExpungeMessagesTask::handleStateHelper(const Imap::Responses::State *const resp)
 {
     if (resp->tag.isEmpty())
         return false;
 
     if (resp->tag == tag) {
         if (resp->kind == Responses::OK) {
             _completed();
         } else {
             _failed(tr("UID EXPUNGE failed"));
         }
         return true;
     } else {
         return false;
     }
 }
 
 QVariant ExpungeMessagesTask::taskData(const int role) const
 {
     return role == RoleTaskCompactName ? QVariant(tr("Removing some of the deleted messages")) : QVariant();
 }
 
 }
 }