File indexing completed on 2024-11-24 04:53:11

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 #ifndef IMAP_MODEL_MEMORYCACHE_H
0024 #define IMAP_MODEL_MEMORYCACHE_H
0025 
0026 #include "Cache.h"
0027 #include <QMap>
0028 
0029 /** @short Namespace for IMAP interaction */
0030 namespace Imap
0031 {
0032 
0033 /** @short Classes for handling of mailboxes and connections */
0034 namespace Mailbox
0035 {
0036 
0037 /** @short A cache implementation that uses in-memory cache
0038 
0039     It also has an optional feature to dump the data to a local file and read
0040     it back in. Is isn't suitable for real production use, but it's a good start.
0041  */
0042 class MemoryCache : public AbstractCache
0043 {
0044 public:
0045     QList<MailboxMetadata> childMailboxes(const QString &mailbox) const override;
0046     bool childMailboxesFresh(const QString &mailbox) const override;
0047     void setChildMailboxes(const QString &mailbox, const QList<MailboxMetadata> &data) override;
0048 
0049     SyncState mailboxSyncState(const QString &mailbox) const override;
0050     void setMailboxSyncState(const QString &mailbox, const SyncState &state) override;
0051 
0052     void setUidMapping(const QString &mailbox, const Imap::Uids &mapping) override;
0053     void clearUidMapping(const QString &mailbox) override;
0054     Imap::Uids uidMapping(const QString &mailbox) const override;
0055 
0056     void clearAllMessages(const QString &mailbox) override;
0057     void clearMessage(const QString mailbox, const uint uid) override;
0058 
0059     MessageDataBundle messageMetadata(const QString &mailbox, const uint uid) const override;
0060     void setMessageMetadata(const QString &mailbox, const uint uid, const MessageDataBundle &metadata) override;
0061 
0062     QStringList msgFlags(const QString &mailbox, const uint uid) const override;
0063     void setMsgFlags(const QString &mailbox, const uint uid, const QStringList &newFlags) override;
0064 
0065     QByteArray messagePart(const QString &mailbox, const uint uid, const QByteArray &partId) const override;
0066     void setMsgPart(const QString &mailbox, const uint uid, const QByteArray &partId, const QByteArray &data) override;
0067     void forgetMessagePart(const QString &mailbox, const uint uid, const QByteArray &partId) override;
0068 
0069     QVector<Imap::Responses::ThreadingNode> messageThreading(const QString &mailbox) override;
0070     void setMessageThreading(const QString &mailbox, const QVector<Imap::Responses::ThreadingNode> &threading) override;
0071 
0072     void setRenewalThreshold(const int days) override;
0073 
0074 private:
0075     QMap<QString, QList<MailboxMetadata> > mailboxes;
0076     QMap<QString, SyncState> syncState;
0077     QMap<QString, Imap::Uids> seqToUid;
0078     QMap<QString, QMap<uint,QStringList> > flags;
0079     QMap<QString, QMap<uint, MessageDataBundle> > msgMetadata;
0080     QMap<QString, QMap<uint, QMap<QByteArray, QByteArray> > > parts;
0081     QMap<QString, QVector<Imap::Responses::ThreadingNode> > threads;
0082 };
0083 
0084 }
0085 
0086 }
0087 
0088 #endif /* IMAP_MODEL_MEMORYCACHE_H */