Refactor and copyrights

Move domains to internal/services, remove unnecessary versioning for services.
Change copyright year.

internal/services/fetcher/querier.go

@@ -0,0 +1,48 @@
+// NNM-Club torrent files mass downloader
+// Created for Uploaders group
+// Copyright (c) 2012-2022 Vladimir "fat0troll" Hodakov
+
+package fetcher
+
+import (
+	"errors"
+	"os"
+
+	"github.com/PuerkitoBio/goquery"
+)
+
+func obtainQuerier(pageFile string) (*goquery.Document, error) {
+	f, err := os.Open(pageFile)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	querier, err := goquery.NewDocumentFromReader(f)
+	if err != nil {
+		return nil, err
+	}
+
+	return querier, nil
+}
+
+func setQuerier(pageFile string, pageType string, page int) error {
+	querier, err := obtainQuerier(pageFile)
+	if err != nil {
+		return err
+	}
+
+	switch pageType {
+	case "forumPage":
+		if !checkLoginness(querier) {
+			return errors.New("получена анонимная страница")
+		}
+
+		forumPages[page] = querier
+
+	default:
+		return errors.New("неизвестный тип страницы")
+	}
+
+	return nil
+}