diff --git a/src/Utils.cpp b/src/Utils.cpp
new file mode 100644
index 00000000..2247c2b7
--- /dev/null
+++ b/src/Utils.cpp
@@ -0,0 +1,188 @@
+#include "Utils.h"
+
+#include <QApplication>
+#include <QDesktopWidget>
+
+#include <variant.hpp>
+
+using TimelineEvent = mtx::events::collections::TimelineEvents;
+
+QString
+utils::descriptiveTime(const QDateTime &then)
+{
+ const auto now = QDateTime::currentDateTime();
+ const auto days = then.daysTo(now);
+
+ if (days == 0)
+ return then.toString("HH:mm");
+ else if (days < 2)
+ return QString("Yesterday");
+ else if (days < 365)
+ return then.toString("dd/MM");
+
+ return then.toString("dd/MM/yy");
+}
+
+DescInfo
+utils::getMessageDescription(const TimelineEvent &event,
+ const QString &localUser,
+ const QString &room_id)
+{
+ using Audio = mtx::events::RoomEvent<mtx::events::msg::Audio>;
+ using Emote = mtx::events::RoomEvent<mtx::events::msg::Emote>;
+ using File = mtx::events::RoomEvent<mtx::events::msg::File>;
+ using Image = mtx::events::RoomEvent<mtx::events::msg::Image>;
+ using Notice = mtx::events::RoomEvent<mtx::events::msg::Notice>;
+ using Text = mtx::events::RoomEvent<mtx::events::msg::Text>;
+ using Video = mtx::events::RoomEvent<mtx::events::msg::Video>;
+ using Encrypted = mtx::events::EncryptedEvent<mtx::events::msg::Encrypted>;
+
+ if (mpark::holds_alternative<Audio>(event)) {
+ return createDescriptionInfo<Audio>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<Emote>(event)) {
+ return createDescriptionInfo<Emote>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<File>(event)) {
+ return createDescriptionInfo<File>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<Image>(event)) {
+ return createDescriptionInfo<Image>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<Notice>(event)) {
+ return createDescriptionInfo<Notice>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<Text>(event)) {
+ return createDescriptionInfo<Text>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<Video>(event)) {
+ return createDescriptionInfo<Video>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<mtx::events::Sticker>(event)) {
+ return createDescriptionInfo<mtx::events::Sticker>(event, localUser, room_id);
+ } else if (mpark::holds_alternative<Encrypted>(event)) {
+ const auto msg = mpark::get<Encrypted>(event);
+ const auto sender = QString::fromStdString(msg.sender);
+
+ const auto username = Cache::displayName(room_id, sender);
+ const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
+
+ DescInfo info;
+ if (sender == localUser)
+ info.username = "You";
+ else
+ info.username = username;
+
+ info.userid = sender;
+ info.body = QString(" %1").arg(messageDescription<Encrypted>());
+ info.timestamp = utils::descriptiveTime(ts);
+ info.datetime = ts;
+
+ return info;
+ } else {
+ std::cout << "type not found: " << serialize_event(event).dump(2) << '\n';
+ }
+
+ return DescInfo{};
+}
+
+QString
+utils::firstChar(const QString &input)
+{
+ if (input.isEmpty())
+ return input;
+
+ for (auto const &c : input.toUcs4()) {
+ if (QString::fromUcs4(&c, 1) != QString("#"))
+ return QString::fromUcs4(&c, 1).toUpper();
+ }
+
+ return QString::fromUcs4(&input.toUcs4().at(0), 1).toUpper();
+}
+
+QString
+utils::humanReadableFileSize(uint64_t bytes)
+{
+ constexpr static const char *units[] = {"B", "KiB", "MiB", "GiB", "TiB"};
+ constexpr static const int length = sizeof(units) / sizeof(units[0]);
+
+ int u = 0;
+ double size = static_cast<double>(bytes);
+ while (size >= 1024.0 && u < length) {
+ ++u;
+ size /= 1024.0;
+ }
+
+ return QString::number(size, 'g', 4) + ' ' + units[u];
+}
+
+int
+utils::levenshtein_distance(const std::string &s1, const std::string &s2)
+{
+ const int nlen = s1.size();
+ const int hlen = s2.size();
+
+ if (hlen == 0)
+ return -1;
+ if (nlen == 1)
+ return s2.find(s1);
+
+ std::vector<int> row1(hlen + 1, 0);
+
+ for (int i = 0; i < nlen; ++i) {
+ std::vector<int> row2(1, i + 1);
+
+ for (int j = 0; j < hlen; ++j) {
+ const int cost = s1[i] != s2[j];
+ row2.push_back(
+ std::min(row1[j + 1] + 1, std::min(row2[j] + 1, row1[j] + cost)));
+ }
+
+ row1.swap(row2);
+ }
+
+ return *std::min_element(row1.begin(), row1.end());
+}
+
+QString
+utils::event_body(const mtx::events::collections::TimelineEvents &event)
+{
+ using namespace mtx::events;
+ using namespace mtx::events::msg;
+
+ if (mpark::holds_alternative<RoomEvent<Audio>>(event)) {
+ return message_body<RoomEvent<Audio>>(event);
+ } else if (mpark::holds_alternative<RoomEvent<Emote>>(event)) {
+ return message_body<RoomEvent<Emote>>(event);
+ } else if (mpark::holds_alternative<RoomEvent<File>>(event)) {
+ return message_body<RoomEvent<File>>(event);
+ } else if (mpark::holds_alternative<RoomEvent<Image>>(event)) {
+ return message_body<RoomEvent<Image>>(event);
+ } else if (mpark::holds_alternative<RoomEvent<Notice>>(event)) {
+ return message_body<RoomEvent<Notice>>(event);
+ } else if (mpark::holds_alternative<Sticker>(event)) {
+ return message_body<Sticker>(event);
+ } else if (mpark::holds_alternative<RoomEvent<Text>>(event)) {
+ return message_body<RoomEvent<Text>>(event);
+ } else if (mpark::holds_alternative<RoomEvent<Video>>(event)) {
+ return message_body<RoomEvent<Video>>(event);
+ }
+
+ return QString();
+}
+
+QPixmap
+utils::scaleImageToPixmap(const QImage &img, int size)
+{
+ if (img.isNull())
+ return QPixmap();
+
+ const int sz = QApplication::desktop()->screen()->devicePixelRatio() * size;
+ return QPixmap::fromImage(
+ img.scaled(sz, sz, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+}
+
+QString
+utils::mxcToHttp(const QUrl &url, const QString &server, int port)
+{
+ auto mxcParts = mtx::client::utils::parse_mxc_url(url.toString().toStdString());
+
+ return QString("https://%1:%2/_matrix/media/r0/download/%3/%4")
+ .arg(server)
+ .arg(port)
+ .arg(QString::fromStdString(mxcParts.server))
+ .arg(QString::fromStdString(mxcParts.media_id));
+}
|
