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MxcImageProvider.cpp 3.33 KiB
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  • #include "MxcImageProvider.h"
    
    #include "Cache.h"
    
    void
    MxcImageResponse::run()
    {
            if (m_requestedSize.isValid()) {
    
                    QString fileName = QString("%1_%2x%3_crop")
    
                                         .arg(m_id)
                                         .arg(m_requestedSize.width())
                                         .arg(m_requestedSize.height());
    
                    auto data = cache::client()->image(fileName);
                    if (!data.isNull() && m_image.loadFromData(data)) {
                            m_image = m_image.scaled(m_requestedSize, Qt::KeepAspectRatio);
                            m_image.setText("mxc url", "mxc://" + m_id);
                            emit finished();
                            return;
                    }
    
                    mtx::http::ThumbOpts opts;
                    opts.mxc_url = "mxc://" + m_id.toStdString();
                    opts.width   = m_requestedSize.width() > 0 ? m_requestedSize.width() : -1;
                    opts.height  = m_requestedSize.height() > 0 ? m_requestedSize.height() : -1;
    
                    opts.method  = "crop";
    
                    http::client()->get_thumbnail(
                      opts, [this, fileName](const std::string &res, mtx::http::RequestErr err) {
                              if (err) {
                                      nhlog::net()->error("Failed to download image {}",
                                                          m_id.toStdString());
                                      m_error = "Failed download";
                                      emit finished();
    
                                      return;
                              }
    
                              auto data = QByteArray(res.data(), res.size());
                              cache::client()->saveImage(fileName, data);
                              m_image.loadFromData(data);
                              m_image.setText("mxc url", "mxc://" + m_id);
    
                              emit finished();
                      });
            } else {
                    auto data = cache::client()->image(m_id);
                    if (!data.isNull() && m_image.loadFromData(data)) {
                            m_image.setText("mxc url", "mxc://" + m_id);
                            emit finished();
                            return;
                    }
    
                    http::client()->download(
                      "mxc://" + m_id.toStdString(),
                      [this](const std::string &res,
                             const std::string &,
                             const std::string &originalFilename,
                             mtx::http::RequestErr err) {
                              if (err) {
                                      nhlog::net()->error("Failed to download image {}",
                                                          m_id.toStdString());
                                      m_error = "Failed download";
                                      emit finished();
    
                                      return;
                              }
    
                              auto data = QByteArray(res.data(), res.size());
                              m_image.loadFromData(data);
                              m_image.setText("original filename",
                                              QString::fromStdString(originalFilename));
                              m_image.setText("mxc url", "mxc://" + m_id);
                              cache::client()->saveImage(m_id, data);
    
                              emit finished();
                      });
            }
    }