MailJDTourDownloadDocsQualityTestsCoverage

Which source lines and branches the tests execute. Lines 91.5 %, branches 75.0 % (minimum 85 % and 72 %). main @ 399ffe3d · 21 October 2026 · pipeline 7238.

GCC Code Coverage Report

Directory: src/
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 91.2% 229 / 0 / 251
Functions: 94.1% 16 / 0 / 17
Branches: 62.7% 251 / 0 / 400
presentation/ComposeReplyPrefill.cpp
Line Branch Exec Source
1 #include "ComposeReplyPrefill.h"
2
3 #include "ComposeLog.h"
4 #include "ComposeQuoteSource.h"
5 #include "ComposeRecipients.h"
6 #include "QuickComposeForwardAttachments.h"
7 #include "WorkspaceState.h"
8 #include "app/core/MailSessionCore.h"
9 #include "app/core/AccountSession.h"
10 #include "controller/MailController.h"
11 #include "data/MailCache.h"
12 #include "service/MimeParser.h"
13 #include <QCoreApplication>
14 #include <QFutureWatcher>
15 #include <QLocale>
16 #include <QTemporaryDir>
17 #include <QTimer>
18 #include <QtConcurrent>
19
20 795 ComposeReplyPrefill::ComposeReplyPrefill(MailSessionCore &session, WorkspaceState &workspace,
21 const QString &profileDirectory,
22 const QHash<qint64, QString> &folderPathById,
23 const QHash<qint64, quint32> &folderEpochById,
24 795 Deps deps, QObject *parent)
25 795 : QObject(parent), m_session(session), m_workspace(workspace),
26 795 m_profileDirectory(profileDirectory), m_folderPathById(folderPathById),
27
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 795 m_folderEpochById(folderEpochById), m_deps(std::move(deps)) {}
28
29 795 void ComposeReplyPrefill::connectSource() {
30 795 MailSessionCore &session = m_session;
31 795 m_composeSourcePool.setMaxThreadCount(1);
32 795 m_composeSourcePool.setExpiryTimeout(-1);
33 // Another mail selected: the reply being prepared is no longer wanted. A
34 // selection signal for the same mail (the list re-selects it when its
35 // page loads) keeps it — Ctrl+R right after the start was dropped and said
36 // "could not be loaded" (KJ2, pipeline #7218).
37
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 795 connect(&m_workspace, &WorkspaceState::selectionChanged, this, [this] {
38
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 1569 if (m_composeSourceToken > 0 && m_workspace.mailId() == m_composeSourceMail) return;
39 1568 cancelReplyDraft();
40 });
41 // The backend drops the folder's cached epoch in the receiver connected
42 // right before this one (formerly the first statement of this handler).
43
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 795 connect(session.cache(), &MailCache::folderIdentityInvalidated, this,
44 795 [this](qint64 folderId) {
45
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 16 if (m_composeSourceMail.folderId == folderId) cancelReplyDraft();
46 16 });
47
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 795 connect(session.controller(), &MailController::folderIdentityInvalidated,
48 795 this, [this](qint64 folderId) {
49
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 11 if (m_composeSourceMail.folderId == folderId) cancelReplyDraft();
50 11 });
51 795 }
52
53 795 void ComposeReplyPrefill::shutdown() {
54 795 m_composeSourceToken = 0;
55 795 cancelReplyDraft();
56
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 795 m_composeSourcePool.waitForDone();
57 795 }
58
59 2402 void ComposeReplyPrefill::cancelReplyDraft() {
60 2402 const int oldToken = m_composeSourceToken;
61 2402 m_composeSourceToken = 0;
62 2402 ++m_composeSourceGeneration;
63
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 2402 if (m_composeSourceCancelled) m_composeSourceCancelled->store(true);
64 2402 m_composeSourceCancelled.reset();
65 2402 m_composeSourceMail = {};
66
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 2402 if (oldToken > 0) emit replyDraftReady(oldToken, {});
67 2402 }
68
69 // F-20 (SPRINT-104): every common reply prefix counts as one — an
70 // already-prefixed subject keeps a single canonical "Re:" instead of
71 // growing "Re: AW: …" on every round.
72 42 QString ComposeReplyPrefill::normalizeReplySubject(const QString &subject) {
73 static const QStringList prefixes = {
74 7 QStringLiteral("re"), QStringLiteral("aw"), QStringLiteral("fw"),
75 7 QStringLiteral("fwd"), QStringLiteral("wg"), QStringLiteral("sv"),
76 7 QStringLiteral("vs"), QStringLiteral("vb"), QStringLiteral("ref"),
77
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 126 QStringLiteral("antwort")};
78 42 QString rest = subject;
79 forever {
80 53 bool matched = false;
81
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 485 for (const QString &prefix : prefixes) {
82 443 if (rest.size() > prefix.size() &&
83
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 454 rest.startsWith(prefix, Qt::CaseInsensitive) &&
84
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 454 rest.at(prefix.size()) == QLatin1Char(':')) {
85
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 11 rest = rest.mid(prefix.size() + 1).trimmed();
86 11 matched = true;
87 11 break;
88 }
89 }
90
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 53 if (!matched) break;
91 11 }
92 // A subject without a prefix gets one, as every reply did before F-20.
93
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 84 return QStringLiteral("Re: ") + rest;
94 119 }
95
96 32 bool ComposeReplyPrefill::startComposeSource(int requestToken, const std::function<SourceBuilder()> &prepare) {
97
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 32 cancelReplyDraft();
98 32 const MailId id = m_workspace.mailId();
99
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 64 if (requestToken <= 0 || !id.isValid() || id.accountId != m_deps.accountName() ||
100
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 32 !m_folderPathById.contains(id.folderId)) return false;
101 32 const quint32 expectedEpoch = m_folderEpochById.value(id.folderId, 0);
102
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 32 if (expectedEpoch == 0) return false;
103 32 const QString databasePath = m_session.cache()->databasePath();
104
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 32 if (databasePath.isEmpty()) return false;
105 32 const quint64 generation = m_composeSourceGeneration;
106 32 const quint64 accountGeneration = m_session.accounts()->generation();
107
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 32 auto cancelled = std::make_shared<std::atomic_bool>(false);
108 32 m_composeSourceCancelled = cancelled;
109 32 m_composeSourceMail = id;
110 32 m_composeSourceToken = requestToken;
111
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 32 auto *watcher = new QFutureWatcher<QVariantMap>(this);
112 32 connect(watcher, &QFutureWatcher<QVariantMap>::finished, this,
113
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 64 [this, watcher, cancelled, id, databasePath, expectedEpoch, generation,
114 accountGeneration, requestToken, prepare] {
115
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 32 const auto draft = watcher->result();
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 32 watcher->deleteLater();
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 64 const char *dropped = cancelled->load() ? "cancelled"
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 64 : generation != m_composeSourceGeneration ? "superseded"
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 64 : accountGeneration != m_session.accounts()->generation() ? "account changed"
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 64 : m_workspace.mailId() != id ? "another mail selected"
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 64 : m_folderEpochById.value(id.folderId, 0) != expectedEpoch ? "folder epoch changed"
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 64 : m_session.cache()->databasePath() != databasePath ? "database changed"
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 32 : nullptr;
124 // The folder was re-read (a new epoch, another database) or the cache
125 // had no ready snapshot while the same mail is still shown: once more,
126 // instead of swallowing the request (Ctrl+R right after the start,
127 // KJ2 in pipelines #7218/#7220). Cancelled and superseded requests
128 // were already answered by cancelReplyDraft.
129
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 32 const bool reread = dropped && (qstrcmp(dropped, "folder epoch changed") == 0 ||
130 ✗ qstrcmp(dropped, "database changed") == 0);
131
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 32 if ((reread || (!dropped && draft.isEmpty())) && m_workspace.mailId() == id &&
132 ✗ m_composeSourceRetriedToken != requestToken) {
133 ✗ qCInfo(lcCompose) << "reply source read again:" << (dropped ? dropped : "no ready snapshot") << "token"
134 ✗ << requestToken;
135 ✗ m_composeSourceRetriedToken = requestToken;
136 ✗ m_composeSourceToken = 0; // the same request: no "could not be loaded" in between
137 ✗ QTimer::singleShot(0, this, [this, requestToken, prepare] {
138 ✗ if (!startComposeSource(requestToken, prepare)) emit replyDraftReady(requestToken, {});
139 ✗ });
140 ✗ return;
141 }
142
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 32 if (dropped) {
143 ✗ qCInfo(lcCompose) << "reply source dropped:" << dropped << "token" << requestToken;
144 ✗ if (reread) emit replyDraftReady(requestToken, {}); // nobody else tells the composer
145 ✗ return;
146 }
147 32 m_composeSourceCancelled.reset();
148 32 m_composeSourceMail = {};
149 32 m_composeSourceToken = 0;
150
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 32 emit replyDraftReady(requestToken, draft);
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 32 });
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 32 const SourceBuilder build = prepare();
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 32 watcher->setFuture(QtConcurrent::run(&m_composeSourcePool,
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 64 [id, databasePath, expectedEpoch, cancelled, build]() -> QVariantMap {
155
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 32 if (cancelled->load()) return {};
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 32 static thread_local std::unique_ptr<MailCache> reader;
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 32 static thread_local QString readerPath;
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 32 if (!reader || readerPath != databasePath) {
159 22 reader.reset();
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 22 reader = std::make_unique<MailCache>();
161
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 22 if (!reader->openReadOnly(databasePath)) {
162 ✗ reader.reset();
163 ✗ readerPath.clear();
164 ✗ return {};
165 }
166 22 readerPath = databasePath;
167 }
168 32 auto source = reader->snapshots().composeSourceSnapshot(id.accountId, id.folderId,
169
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 32 id.uid, expectedEpoch, *cancelled);
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 64 if (cancelled->load() ||
171
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 32 source.outcome != MailCache::ComposeSourceSnapshot::Outcome::Ready)
172 ✗ return {};
173 // An HTML-only original has no text projection: the quote's text (the
174 // reply's plain part, a plain-text reply, a forward) comes from its HTML.
175
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 32 if (source.bodyPresent && source.quoteText.trimmed().isEmpty() && !source.quoteHtml.trimmed().isEmpty())
176
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 1 source.quoteText = ComposeQuoteSource::textOf(source.quoteHtml);
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 32 const QVariantMap draft = build(*reader, source, id);
178
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 32 return cancelled->load() ? QVariantMap{} : draft;
179 32 }));
180 32 return true;
181 32 }
182
183 30 bool ComposeReplyPrefill::requestReplyDraft(int requestToken, bool all,
184 bool forward) {
185
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 60 return startComposeSource(requestToken, [this, all, forward]() -> SourceBuilder {
186
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 30 const QString ownEmail = m_deps.accountEmail();
187
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 30 const QString replyAttribution = QCoreApplication::translate("QuickComposeBackend", "On %1, %2 wrote:");
188 const QString forwardAttribution = QCoreApplication::translate("QuickComposeBackend", "---------- Forwarded message ----------\n"
189
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 30 "From: %1\nDate: %2\nSubject: %3\n");
190
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 30 const QString trimmedText = QCoreApplication::translate("QuickComposeBackend", "… [trimmed]");
191
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 30 const QLocale locale;
192
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 30 const QString messageLanguage = locale.name();
193 // F-06 (SPRINT-104): the forward's attachment scratch directory is
194 // created and owned on the GUI thread; the worker fills it, and the
195 // files live until the next forward or teardown (the send reads them).
196 30 std::shared_ptr<QTemporaryDir> forwardScratch;
197
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 30 if (forward)
198
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 3 m_forwardScratch = forwardScratch = QuickComposeForwardAttachments::makeScratch(m_profileDirectory);
199
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 60 return [ownEmail, all, forward, locale, messageLanguage, replyAttribution, forwardAttribution, trimmedText,
200 forwardScratch](MailCache &reader, const MailCache::ComposeSourceSnapshot &source,
201 const MailId &id) -> QVariantMap {
202 // F-06 (SPRINT-104, D-3 Must): a forward keeps the original's
203 // attachments. The cached blobs are exported to files of a forwarding
204 // scratch directory (the composer and the send path work with file
205 // paths); only the compose budget's worth travels, the rest is named.
206 // F-06 (SPRINT-104, D-3 Must): the forward's attachments travel as
207 // exported files (the composer and send path work with paths).
208 const QStringList forwardFiles =
209
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 3 forward && forwardScratch
210 33 ? QuickComposeForwardAttachments::exportTo(reader, id.folderId, id.uid,
211
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 33 forwardScratch->path())
212
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 33 : QStringList{};
213 30 const auto &header = source.header;
214 30 const QString date = locale.toString(header.date.toLocalTime(),
215
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 30 QLocale::ShortFormat);
216 30 QString subject = header.subject;
217 30 QVariantMap draft;
218
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 30 if (forward) {
219
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 3 if (!subject.startsWith(QLatin1String("Fwd:"), Qt::CaseInsensitive))
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 3 subject = QStringLiteral("Fwd: ") + subject;
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 6 draft.insert(QStringLiteral("subject"), subject);
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 3 if (source.bodyPresent) {
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 3 QStringList lines = source.quoteText.split(QLatin1Char('\n'));
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 3 const bool trimmed = source.quoteTruncated || lines.size() > 200;
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 3 if (lines.size() > 200) lines = lines.mid(0, 200);
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 3 if (trimmed) lines.append(trimmedText);
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 6 draft.insert(QStringLiteral("body"),
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 6 forwardAttribution.arg(header.from, date, header.subject) +
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 12 QLatin1Char('\n') + lines.join(QLatin1Char('\n')) + QLatin1Char('\n'));
230 3 }
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 3 if (!forwardFiles.isEmpty())
232 ✗ draft.insert(QStringLiteral("attachments"), forwardFiles);
233 } else {
234
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 27 subject = normalizeReplySubject(subject);
235
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 27 const auto envelope = MimeParser::messageHeaders(source.envelopePrefix);
236 const auto recipients = ComposeRecipients::replyTargets(
237
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 54 envelope.value("from", header.from),
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 54 envelope.value("to", header.to), envelope.value("cc"),
239
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 81 envelope.value("reply-to"), ownEmail, all);
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 54 draft.insert(QStringLiteral("to"), recipients.to);
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 54 draft.insert(QStringLiteral("cc"), recipients.cc);
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 54 draft.insert(QStringLiteral("subject"), subject);
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 27 if (source.bodyPresent) {
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 27 QStringList lines = source.quoteText.split(QLatin1Char('\n'));
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 27 const bool trimmed = source.quoteTruncated || lines.size() > 200;
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 27 if (lines.size() > 200) lines = lines.mid(0, 200);
247
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 27 if (trimmed) lines.append(trimmedText);
248 27 QStringList quotedLines;
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 27 quotedLines.reserve(lines.size());
250
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 104 for (const QString &line : lines)
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 77 quotedLines.append(QLatin1String("> ") + line);
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 54 draft.insert(QStringLiteral("body"),
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 54 replyAttribution.arg(date, header.from) + QLatin1Char('\n') +
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 108 quotedLines.join(QLatin1Char('\n')) + QLatin1Char('\n'));
255 27 }
256 27 QStringList references = header.references;
257
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 27 if (!header.messageId.isEmpty()) references.append(header.messageId);
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 54 draft.insert(QStringLiteral("inReplyTo"), header.messageId);
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 54 draft.insert(QStringLiteral("references"), references);
260 27 }
261 // Sprint 108: the new composer's quote, format and identity inputs.
262
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 30 ComposeQuoteSource::add(draft, source, forward, messageLanguage);
263 30 return draft;
264
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 90 };
265 90 });
266 }
267
268 10 QVariantMap ComposeReplyPrefill::replyDraft(bool all) const {
269 10 const auto id = m_workspace.mailId();
270
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 10 if (!m_deps.acceptsIdentity(id)) return {};
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 10 const auto header = m_session.cache()->header(id.folderId, id.uid);
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 10 if (!header) return {};
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 10 const QString subject = normalizeReplySubject(header->subject); // F-20
274 // Quote the stored plain text: the standard attribution header plus
275 // "> "-prefixed lines, bounded so huge mails cannot flood the editor.
276 // P90.14: the envelope prefix + plain text projection replaces the full
277 // raw-source load; header-row fallbacks cover pathological envelopes.
278 10 QString quoted;
279 10 QMap<QString, QString> envelopeHeaders;
280
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 10 if (const auto original = m_session.cache()->replySnapshot(id.folderId, id.uid)) {
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 6 envelopeHeaders = MimeParser::messageHeaders(original->rawSource);
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 6 const QString attribution = QCoreApplication::translate("QuickComposeBackend", "On %1, %2 wrote:")
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 12 .arg(QLocale().toString(header->date.toLocalTime(), QLocale::ShortFormat),
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 12 header->from);
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 6 QStringList lines = original->textPlain.split(QLatin1Char('\n'));
286
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 6 if (lines.size() > 200) {
287 ✗ lines = lines.mid(0, 200);
288 ✗ lines.append(QCoreApplication::translate("QuickComposeBackend", "… [trimmed]"));
289 }
290 6 QStringList quotedLines;
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 6 quotedLines.reserve(lines.size());
292
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 12 for (const QString &line : lines) quotedLines.append(QLatin1String("> ") + line);
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 6 quoted = attribution + QLatin1Char('\n') + quotedLines.join(QLatin1Char('\n')) + QLatin1Char('\n');
294 16 }
295 10 QStringList references = header->references;
296
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 10 if (!header->messageId.isEmpty()) references.append(header->messageId);
297 const auto recipients = ComposeRecipients::replyTargets(
298
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 20 envelopeHeaders.value("from", header->from), envelopeHeaders.value("to", header->to),
299
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 30 envelopeHeaders.value("cc"), envelopeHeaders.value("reply-to"), m_deps.accountEmail(), all);
300 10 QVariantMap draft;
301
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 20 draft.insert(QStringLiteral("to"), recipients.to);
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 20 draft.insert(QStringLiteral("cc"), recipients.cc);
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 20 draft.insert(QStringLiteral("subject"), subject);
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 20 draft.insert(QStringLiteral("body"), quoted);
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 20 draft.insert(QStringLiteral("inReplyTo"), header->messageId);
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 20 draft.insert(QStringLiteral("references"), references);
307 10 return draft;
308 10 }
309
310 1 QVariantMap ComposeReplyPrefill::forwardDraft() const {
311 1 const auto id = m_workspace.mailId();
312
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 1 if (!m_deps.acceptsIdentity(id)) return {};
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 1 const auto header = m_session.cache()->header(id.folderId, id.uid);
314
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 1 if (!header) return {};
315 1 QString subject = header->subject;
316
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 1 if (!subject.startsWith(QLatin1String("Fwd:"), Qt::CaseInsensitive))
317
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 1 subject = QStringLiteral("Fwd: ") + subject;
318 1 QString body;
319 // P90.14: forwarding quotes the plain text only; no raw-source load.
320
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 1 if (const auto original = m_session.cache()->displayBody(id.folderId, id.uid)) {
321
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 1 const QString attribution = QCoreApplication::translate("QuickComposeBackend", "---------- Forwarded message ----------\n"
322 "From: %1\nDate: %2\nSubject: %3\n")
323 1 .arg(header->from,
324
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 2 QLocale().toString(header->date.toLocalTime(), QLocale::ShortFormat),
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 2 header->subject);
326
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 1 QStringList lines = original->textPlain.split(QLatin1Char('\n'));
327
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 1 if (lines.size() > 200) {
328 ✗ lines = lines.mid(0, 200);
329 ✗ lines.append(QCoreApplication::translate("QuickComposeBackend", "… [trimmed]"));
330 }
331
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 1 body = attribution + QLatin1Char('\n') + lines.join(QLatin1Char('\n')) + QLatin1Char('\n');
332 2 }
333 2 return {{QStringLiteral("subject"), subject},
334
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 4 {QStringLiteral("body"), body}};
335 4 }
336