refactor: move things around so that related things are close together

This also adds some comments around ModModel.cpp and ModPage.cpp to add
some ease of reading the code.

Also move some things from headers to cpp files.

launcher/ui/pages/modplatform/flame/FlameModModel.cpp

@@ -1,7 +1,24 @@
 #include "FlameModModel.h"
 
+#include "modplatform/flame/FlameModIndex.h"
+
 namespace FlameMod {
 
 const char* ListModel::sorts[6]{ "Featured", "Popularity", "LastUpdated", "Name", "Author", "TotalDownloads" };
 
+void ListModel::loadIndexedPack(ModPlatform::IndexedPack& m, QJsonObject& obj)
+{
+    FlameMod::loadIndexedPack(m, obj);
+};
+
+void ListModel::loadIndexedPackVersions(ModPlatform::IndexedPack& m, QJsonArray& arr)
+{
+    FlameMod::loadIndexedPackVersions(m, arr, APPLICATION->network(), m_parent->m_instance);
+};
+
+QJsonArray ListModel::documentToArray(QJsonDocument& obj) const
+{
+    return obj.array();
+}
+
 }  // namespace FlameMod

launcher/ui/pages/modplatform/flame/FlameModModel.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "FlameModPage.h"
-#include "modplatform/flame/FlameModIndex.h"
 
 namespace FlameMod {
 
@@ -14,12 +13,13 @@ class ListModel : public ModPlatform::ListModel {
     virtual ~ListModel() = default;
 
    private:
-    void loadIndexedPack(ModPlatform::IndexedPack& m, QJsonObject& obj) override { FlameMod::loadIndexedPack(m, obj); };
+    void loadIndexedPack(ModPlatform::IndexedPack& m, QJsonObject& obj) override;
+    void loadIndexedPackVersions(ModPlatform::IndexedPack& m, QJsonArray& arr) override;
 
-    QJsonArray documentToArray(QJsonDocument& obj) const override { return obj.array(); };
+    QJsonArray documentToArray(QJsonDocument& obj) const override;
 
     static const char* sorts[6]; 
-    const char** getSorts() const override { return sorts; };
+    inline const char** getSorts() const override { return sorts; };
 };
 
 }  // namespace FlameMod

launcher/ui/pages/modplatform/flame/FlameModPage.cpp

@@ -1,15 +1,7 @@
 #include "FlameModPage.h"
 #include "ui_ModPage.h"
 
-#include <QKeyEvent>
-
-#include "Application.h"
 #include "FlameModModel.h"
-#include "InstanceImportTask.h"
-#include "Json.h"
-#include "ModDownloadTask.h"
-#include "minecraft/MinecraftInstance.h"
-#include "minecraft/PackProfile.h"
 #include "ui/dialogs/ModDownloadDialog.h"
 
 FlameModPage::FlameModPage(ModDownloadDialog* dialog, BaseInstance* instance) 
@@ -34,31 +26,13 @@ FlameModPage::FlameModPage(ModDownloadDialog* dialog, BaseInstance* instance)
     connect(ui->modSelectionButton, &QPushButton::clicked, this, &FlameModPage::onModSelected);
 }
 
-bool FlameModPage::shouldDisplay() const { return true; }
-
-void FlameModPage::onRequestVersionsSucceeded(QJsonDocument& doc, QString addonId)
+bool FlameModPage::validateVersion(ModPlatform::IndexedVersion& ver, QString mineVer, QString loaderVer) const
 {
-    if (addonId != current.addonId) {
-        return;  // wrong request
-    }
-
-    QJsonArray arr = doc.array();
-    try {
-        FlameMod::loadIndexedPackVersions(current, arr, APPLICATION->network(), m_instance);
-    } catch (const JSONValidationError& e) {
-        qDebug() << doc;
-        qWarning() << "Error while reading Flame mod version: " << e.cause();
-    }
-    auto packProfile = ((MinecraftInstance*)m_instance)->getPackProfile();
-    QString mcVersion = packProfile->getComponentVersion("net.minecraft");
-    QString loaderString = (packProfile->getComponentVersion("net.minecraftforge").isEmpty()) ? "fabric" : "forge";
-    for (int i = 0; i < current.versions.size(); i++) {
-        auto version = current.versions[i];
-        if (!version.mcVersion.contains(mcVersion)) { continue; }
-        ui->versionSelectionBox->addItem(version.version, QVariant(i));
-    }
-    if (ui->versionSelectionBox->count() == 0) { ui->versionSelectionBox->addItem(tr("No Valid Version found!"), QVariant(-1)); }
-
-    ui->modSelectionButton->setText(tr("Cannot select invalid version :("));
-    updateSelectionButton();
+    (void) loaderVer;
+    return ver.mcVersion.contains(mineVer);
 }
+
+// I don't know why, but doing this on the parent class makes it so that
+// other mod providers start loading before being selected, at least with
+// my Qt, so we need to implement this in every derived class...
+bool FlameModPage::shouldDisplay() const { return true; }

launcher/ui/pages/modplatform/flame/FlameModPage.h

@@ -19,8 +19,7 @@ class FlameModPage : public ModPage {
     inline QString debugName() const override { return tr("Flame"); }
     inline QString metaEntryBase() const override { return "FlameMods"; };
 
-    bool shouldDisplay() const override;
+    bool validateVersion(ModPlatform::IndexedVersion& ver, QString mineVer, QString loaderVer = "") const override;
 
-   private:
-    void onRequestVersionsSucceeded(QJsonDocument&, QString) override;
+    bool shouldDisplay() const override;
 };