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

0001 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
0002 
0003    This file is part of the Trojita Qt IMAP e-mail client,
0004    http://trojita.flaska.net/
0005 
0006    This program is free software; you can redistribute it and/or
0007    modify it under the terms of the GNU General Public License as
0008    published by the Free Software Foundation; either version 2 of
0009    the License or (at your option) version 3 or any later version
0010    accepted by the membership of KDE e.V. (or its successor approved
0011    by the membership of KDE e.V.), which shall act as a proxy
0012    defined in Section 14 of version 3 of the license.
0013 
0014    This program is distributed in the hope that it will be useful,
0015    but WITHOUT ANY WARRANTY; without even the implied warranty of
0016    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0017    GNU General Public License for more details.
0018 
0019    You should have received a copy of the GNU General Public License
0020    along with this program.  If not, see <http://www.gnu.org/licenses/>.
0021 */
0022 
0023 
0024 #include "FetchMsgMetadataTask.h"
0025 #include "Imap/Model/ItemRoles.h"
0026 #include "Imap/Model/Model.h"
0027 #include "Imap/Model/MailboxTree.h"
0028 #include "KeepMailboxOpenTask.h"
0029 
0030 namespace Imap
0031 {
0032 namespace Mailbox
0033 {
0034 
0035 FetchMsgMetadataTask::FetchMsgMetadataTask(Model *model, const QModelIndex &mailbox, const Imap::Uids &uids) :
0036     ImapTask(model), mailbox(mailbox), uids(uids)
0037 {
0038     Q_ASSERT(!uids.isEmpty());
0039     conn = model->findTaskResponsibleFor(mailbox);
0040     conn->addDependentTask(this);
0041 }
0042 
0043 void FetchMsgMetadataTask::perform()
0044 {
0045     parser = conn->parser;
0046     markAsActiveTask();
0047 
0048     IMAP_TASK_CHECK_ABORT_DIE;
0049 
0050     Sequence seq = Sequence::fromVector(uids);
0051 
0052     // we do not want to use _onlineMessageFetch because it contains UID and FLAGS
0053     tag = parser->uidFetch(seq, QList<QByteArray>() << "ENVELOPE" << "INTERNALDATE" <<
0054                            "BODYSTRUCTURE" << "RFC822.SIZE" << "BODY.PEEK[HEADER.FIELDS (References List-Post)]");
0055 }
0056 
0057 bool FetchMsgMetadataTask::handleFetch(const Imap::Responses::Fetch *const resp)
0058 {
0059     if (! mailbox.isValid()) {
0060         _failed(tr("handleFetch: mailbox disappeared"));
0061         // FIXME: nice error handling
0062         return false;
0063     }
0064     TreeItemMailbox *mailboxPtr = dynamic_cast<TreeItemMailbox *>(static_cast<TreeItemMailbox *>(mailbox.internalPointer()));
0065     Q_ASSERT(mailboxPtr);
0066     model->genericHandleFetch(mailboxPtr, resp);
0067     return true;
0068 }
0069 
0070 bool FetchMsgMetadataTask::handleStateHelper(const Imap::Responses::State *const resp)
0071 {
0072     if (resp->tag.isEmpty())
0073         return false;
0074 
0075     if (resp->tag == tag) {
0076 
0077         if (resp->kind == Responses::OK) {
0078             _completed();
0079         } else {
0080             _failed(tr("UID FETCH failed"));
0081             // FIXME: error handling
0082         }
0083         return true;
0084     } else {
0085         return false;
0086     }
0087 }
0088 
0089 QString FetchMsgMetadataTask::debugIdentification() const
0090 {
0091     if (!mailbox.isValid())
0092         return QStringLiteral("[invalid mailbox]");
0093 
0094     Q_ASSERT(!uids.isEmpty());
0095     return QStringLiteral("%1: UIDs %2").arg(mailbox.data(RoleMailboxName).toString(),
0096                                                 QString::fromUtf8(Sequence::fromVector(uids).toByteArray()));
0097 }
0098 
0099 QVariant FetchMsgMetadataTask::taskData(const int role) const
0100 {
0101     return role == RoleTaskCompactName ? QVariant(tr("Downloading headers")) : QVariant();
0102 }
0103 
0104 }
0105 }