presentation/QuickComposeBackendDrafts.cpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // Sprint 108 (S108.7.1, D-21): the composer sessions' copies in the Drafts | ||
| 2 | // folder — each session's newest journaled APPEND replaces its previous | ||
| 3 | // revision (exact UID EXPUNGE through ServerDraftCleanup), a sent or | ||
| 4 | // discarded session leaves none behind. | ||
| 5 | #include "QuickComposeBackend.h" | ||
| 6 | #include "ComposeLog.h" | ||
| 7 | #include "ComposeSession.h" | ||
| 8 | |||
| 9 | #include "app/core/MailSessionCore.h" | ||
| 10 | #include "controller/MailController.h" | ||
| 11 | #include "service/ImapService.h" | ||
| 12 | |||
| 13 | // The Drafts copies on the IMAP connection: UIDs and UIDVALIDITY of the | ||
| 14 | // completed appends, and the cleanup state across reconnects (formerly part | ||
| 15 | // of connectSendAndDrafts, same constructor position). | ||
| 16 | 795 | void QuickComposeBackend::connectServerDrafts() { | |
| 17 | 795 | MailSessionCore &session = m_session; | |
| 18 | 795 | connectDraftAppendResults(); | |
| 19 |
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795 | connect(session.imap(), &ImapService::stateChanged, this, [this](ImapService::State state) { |
| 20 |
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10 | if (state == ImapService::State::Disconnected) m_draftCleanup.reset(); |
| 21 | 10 | }); | |
| 22 |
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795 | connect(session.imap(), &ImapService::appendCompleted, this, |
| 23 | 795 | [this](quint64, const QString &folder, qint64 uid, quint32 uidValidity) { | |
| 24 | // S106-257: only Drafts copies are ever cleaned up (any APPEND grew the map). | ||
| 25 |
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2 | if (!m_draftsFolder.isEmpty() && folder == m_draftsFolder) { |
| 26 | 2 | m_draftCleanup.remember(folder, uid, uidValidity); | |
| 27 | 2 | m_draftUidValidity.insert(uid, uidValidity); // kept with the session's draft | |
| 28 | } | ||
| 29 | 2 | }); | |
| 30 | 795 | } | |
| 31 | |||
| 32 | // connectServerDrafts step: completion and failure of the sessions' journaled | ||
| 33 | // Drafts appends. | ||
| 34 | 795 | void QuickComposeBackend::connectDraftAppendResults() { | |
| 35 | 795 | MailSessionCore &session = m_session; | |
| 36 | // Server-draft bookkeeping: the newest completed append owns the tracked | ||
| 37 | // UID; its cleanup removes the previous revision. Failures keep the local | ||
| 38 | // draft and report explicitly. | ||
| 39 |
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795 | connect(session.controller(), &MailController::appendMutationCompleted, this, |
| 40 | 795 | [this](qint64 token, const QString &folder, qint64 uid) { | |
| 41 | // S106-259: superseded while in flight (newer one queued); it would stay for good. | ||
| 42 |
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2 | if (m_supersededDraftTokens.remove(token)) { |
| 43 | ✗ | if (folder == m_draftsFolder && uid > 0) deleteServerDraftRevision(uid); | |
| 44 | ✗ | return; | |
| 45 | } | ||
| 46 | // Session revisions: each session tracks its own token. | ||
| 47 |
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2 | for (auto it = m_sessionDraftTokens.begin(); |
| 48 |
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2 | it != m_sessionDraftTokens.end(); ++it) { |
| 49 |
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2 | if (it.value() != token || folder != m_draftsFolder) continue; |
| 50 | 2 | const QString session = it.key(); | |
| 51 |
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2 | m_sessionDraftTokens.erase(it); |
| 52 | 2 | const qint64 previous = m_sessionDraftUids.value(session, 0); | |
| 53 |
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2 | m_sessionDraftUids.insert(session, uid > 0 ? uid : 0); |
| 54 | // Sprint 108: the session remembers its copy in the draft file, so | ||
| 55 | // a restart still replaces it instead of adding another one. | ||
| 56 | 2 | quint32 previousValidity = 0; | |
| 57 |
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2 | if (auto *open = qobject_cast<ComposeSession *>(m_sessionStore.session(session))) { |
| 58 | 2 | previousValidity = open->serverDraftUidValidity(); | |
| 59 |
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2 | open->setServerDraftUid(uid > 0 ? uid : 0, m_draftUidValidity.value(uid, 0)); |
| 60 | } | ||
| 61 |
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2 | if (previous > 0 && previous != uid) |
| 62 |
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1 | retireSessionServerCopy(previous, previousValidity); |
| 63 | 2 | return; | |
| 64 | 2 | } | |
| 65 | }); | ||
| 66 |
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795 | connect(session.controller(), &MailController::appendMutationFailed, this, |
| 67 | 795 | [this](qint64 token, const QString &error) { | |
| 68 | ✗ | if (m_supersededDraftTokens.remove(token)) return; // nothing reached the server | |
| 69 | ✗ | for (auto it = m_sessionDraftTokens.begin(); | |
| 70 | ✗ | it != m_sessionDraftTokens.end(); ++it) | |
| 71 | ✗ | if (it.value() == token) { | |
| 72 | ✗ | const auto session = it.key(); | |
| 73 | ✗ | m_sessionDraftTokens.erase(it); | |
| 74 | // The local draft keeps everything; the next save tries again. | ||
| 75 | ✗ | qCWarning(lcCompose) << "server draft not saved for" << session; | |
| 76 | ✗ | m_deps.setStatus(tr("The draft could not be saved on the server: %1").arg(error)); | |
| 77 | ✗ | return; | |
| 78 | ✗ | } | |
| 79 | }); | ||
| 80 | 795 | } | |
| 81 | |||
| 82 | 22 | void QuickComposeBackend::retireSessionServerCopy(qint64 uid, quint32 uidValidity) { | |
| 83 |
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22 | if (uid <= 0 || m_draftsFolder.isEmpty()) return; |
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1 | if (uidValidity > 0) m_draftCleanup.remember(m_draftsFolder, uid, uidValidity); |
| 85 | 1 | m_draftUidValidity.remove(uid); | |
| 86 | 1 | deleteServerDraftRevision(uid); | |
| 87 | } | ||
| 88 | |||
| 89 | 1 | void QuickComposeBackend::deleteServerDraftRevision(qint64 draftUid) { | |
| 90 | 1 | m_draftCleanup.remove(m_draftsFolder, draftUid); | |
| 91 | 1 | } | |
| 92 | |||
| 93 |