4 files changed, 66 insertions, 9 deletions

diff --git a/launcher/ui/pages/modplatform/flame/FlameModel.cpp b/launcher/ui/pages/modplatform/flame/FlameModel.cpp
index ff21d010..e488f078 100644
--- a/launcher/ui/pages/modplatform/flame/FlameModel.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlameModel.cpp
@@ -1,6 +1,8 @@
 #include "FlameModel.h"
 #include <Json.h>
 #include "Application.h"
+#include "modplatform/ResourceAPI.h"
+#include "modplatform/flame/FlameAPI.h"
 #include "ui/widgets/ProjectItem.h"
 
 #include "net/ApiDownload.h"
@@ -161,6 +163,25 @@ void ListModel::fetchMore(const QModelIndex& parent)
 
 void ListModel::performPaginatedSearch()
 {
+    if (currentSearchTerm.startsWith("#")) {
+        auto projectId = currentSearchTerm.removeFirst();
+        if (!projectId.isEmpty()) {
+            ResourceAPI::ProjectInfoCallbacks callbacks;
+
+            // Use defaults if no callbacks are set
+            if (!callbacks.on_fail)
+                callbacks.on_fail = [this](QString reason) { searchRequestFailed(reason); };
+
+            if (!callbacks.on_succeed)
+                callbacks.on_succeed = [this](auto& doc, auto pack) { searchRequestForOneSucceeded(doc); };
+            static const FlameAPI api;
+            if (auto job = api.getProjectInfo({ projectId }, std::move(callbacks)); job) {
+                jobPtr = job;
+                jobPtr->start();
+            }
+            return;
+        }
+    }
     auto netJob = makeShared<NetJob>("Flame::Search", APPLICATION->network());
     auto searchUrl = QString(
                          "https://api.curseforge.com/v1/mods/search?"
@@ -189,23 +210,24 @@ void ListModel::searchWithTerm(const QString& term, int sort)
     }
     currentSearchTerm = term;
     currentSort = sort;
-    if (jobPtr) {
+    if (hasActiveSearchJob()) {
         jobPtr->abort();
         searchState = ResetRequested;
         return;
-    } else {
-        beginResetModel();
-        modpacks.clear();
-        endResetModel();
-        searchState = None;
     }
+    beginResetModel();
+    modpacks.clear();
+    endResetModel();
+    searchState = None;
+
     nextSearchOffset = 0;
     performPaginatedSearch();
 }
 
 void Flame::ListModel::searchRequestFinished()
 {
-    jobPtr.reset();
+    if (hasActiveSearchJob())
+        return;
 
     QJsonParseError parse_error;
     QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
@@ -246,6 +268,25 @@ void Flame::ListModel::searchRequestFinished()
     endInsertRows();
 }
 
+void Flame::ListModel::searchRequestForOneSucceeded(QJsonDocument& doc)
+{
+    jobPtr.reset();
+
+    auto packObj = Json::ensureObject(doc.object(), "data");
+
+    Flame::IndexedPack pack;
+    try {
+        Flame::loadIndexedPack(pack, packObj);
+    } catch (const JSONValidationError& e) {
+        qWarning() << "Error while loading pack from CurseForge: " << e.cause();
+        return;
+    }
+
+    beginInsertRows(QModelIndex(), modpacks.size(), modpacks.size() + 1);
+    modpacks.append({ pack });
+    endInsertRows();
+}
+
 void Flame::ListModel::searchRequestFailed(QString reason)
 {
     jobPtr.reset();
diff --git a/launcher/ui/pages/modplatform/flame/FlameModel.h b/launcher/ui/pages/modplatform/flame/FlameModel.h
index b3bc96b8..cd73fce3 100644
--- a/launcher/ui/pages/modplatform/flame/FlameModel.h
+++ b/launcher/ui/pages/modplatform/flame/FlameModel.h
@@ -40,6 +40,8 @@ class ListModel : public QAbstractListModel {
     void getLogo(const QString& logo, const QString& logoUrl, LogoCallback callback);
     void searchWithTerm(const QString& term, const int sort);
 
+    [[nodiscard]] bool hasActiveSearchJob() const { return jobPtr && jobPtr->isRunning(); }
+
    private slots:
     void performPaginatedSearch();
 
@@ -48,6 +50,7 @@ class ListModel : public QAbstractListModel {
 
     void searchRequestFinished();
     void searchRequestFailed(QString reason);
+    void searchRequestForOneSucceeded(QJsonDocument&);
 
    private:
     void requestLogo(QString file, QString url);
@@ -63,7 +66,7 @@ class ListModel : public QAbstractListModel {
     int currentSort = 0;
     int nextSearchOffset = 0;
     enum SearchState { None, CanPossiblyFetchMore, ResetRequested, Finished } searchState = None;
-    NetJob::Ptr jobPtr;
+    Task::Ptr jobPtr;
     std::shared_ptr<QByteArray> response = std::make_shared<QByteArray>();
 };
 
diff --git a/launcher/ui/pages/modplatform/flame/FlamePage.cpp b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
index 183e16f9..79fcc821 100644
--- a/launcher/ui/pages/modplatform/flame/FlamePage.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
@@ -61,6 +61,11 @@ FlamePage::FlamePage(NewInstanceDialog* dialog, QWidget* parent) : QWidget(paren
     ui->versionSelectionBox->view()->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
     ui->versionSelectionBox->view()->parentWidget()->setMaximumHeight(300);
 
+    m_search_timer.setTimerType(Qt::TimerType::CoarseTimer);
+    m_search_timer.setSingleShot(true);
+
+    connect(&m_search_timer, &QTimer::timeout, this, &FlamePage::triggerSearch);
+
     // index is used to set the sorting with the curseforge api
     ui->sortByBox->addItem(tr("Sort by Featured"));
     ui->sortByBox->addItem(tr("Sort by Popularity"));
@@ -90,6 +95,11 @@ bool FlamePage::eventFilter(QObject* watched, QEvent* event)
             triggerSearch();
             keyEvent->accept();
             return true;
+        } else {
+            if (m_search_timer.isActive())
+                m_search_timer.stop();
+
+            m_search_timer.start(350);
         }
     }
     return QWidget::eventFilter(watched, event);
diff --git a/launcher/ui/pages/modplatform/flame/FlamePage.h b/launcher/ui/pages/modplatform/flame/FlamePage.h
index ff5c7975..a45c9e40 100644
--- a/launcher/ui/pages/modplatform/flame/FlamePage.h
+++ b/launcher/ui/pages/modplatform/flame/FlamePage.h
@@ -39,7 +39,7 @@
 
 #include <Application.h>
 #include <modplatform/flame/FlamePackIndex.h>
-#include "tasks/Task.h"
+#include <QTimer>
 #include "ui/pages/BasePage.h"
 
 namespace Ui {
@@ -86,4 +86,7 @@ class FlamePage : public QWidget, public BasePage {
     Flame::IndexedPack current;
 
     int m_selected_version_index = -1;
+
+    // Used to do instant searching with a delay to cache quick changes
+    QTimer m_search_timer;
 };