Method DetectNewMods

app.go:499–586

()

}

func (a *App) DetectNewMods() (*DetectResult, error) {
	a.mu.Lock()
	modsDir := a.ProjectData.ModsDir
	snapshot := a.ProjectData.LatestSnapshot
	savedNewMods := a.ProjectData.SavedNewMods
	a.mu.Unlock()

	if modsDir == "" {
		return nil, fmt.Errorf("please select a mod folder first")
	}
	if snapshot == nil {
		return nil, fmt.Errorf("no snapshot available. Create a snapshot first.")
	}

	entries, err := os.ReadDir(modsDir)
	if err != nil {
		return nil, fmt.Errorf("mod folder does not exist: %w", err)
	}

	currentMods := make(map[string]bool)
	for _, e := range entries {
		if !e.IsDir() && filepath.Ext(e.Name()) == ".jar" {
			currentMods[e.Name()] = true
		}
	}

	if savedNewMods != nil {
		var filtered []string
		for _, mod := range savedNewMods {
			if currentMods[mod] {
				filtered = append(filtered, mod)
			}
		}
		if len(filtered) < len(savedNewMods) {
			a.mu.Lock()
			a.ProjectData.SavedNewMods = filtered
			a.ProjectModified = true
			a.mu.Unlock()
			a.emitLog(fmt.Sprintf("Removed %d deleted mod(s) from 'saved new mods' list.", len(savedNewMods)-len(filtered)), LogInfo)
		}
	}

	snapshotMods := make(map[string]bool)
	for _, mod := range snapshot.Mods {
		snapshotMods[mod] = true
	}

	var deletedMods []string
	for mod := range snapshotMods {
		if !currentMods[mod] {
			deletedMods = append(deletedMods, mod)
		}
	}

	if len(deletedMods) > 0 {
		a.emitLog(fmt.Sprintf("Detected %d deleted mod(s). Updating snapshot...", len(deletedMods)), LogInfo)
		var updatedMods []string
		for _, mod := range snapshot.Mods {