fix: technical debts left by the Sites, Authors and SEO slices, plus backend support for the new Sites and Authors pagination

test/site_support_test.go

@@ -92,6 +92,29 @@ func (m *mockSiteRepo) List() ([]site.Site, error) {
 	return result, nil
 }
 
+func (m *mockSiteRepo) Find(query site.ListQuery) (site.Page, error) {
+	if err := m.fail.trigger("Find"); err != nil {
+		return site.Page{}, err
+	}
+	all, err := m.List()
+	if err != nil {
+		return site.Page{}, err
+	}
+	needle := foldArticleSearch(strings.TrimSpace(query.Q))
+	matching := []site.Site{}
+	for _, s := range all {
+		if needle == "" || strings.Contains(foldArticleSearch(s.Name+"\n"+s.Key+"\n"+s.BaseURL), needle) {
+			matching = append(matching, s)
+		}
+	}
+	if query.Size <= 0 {
+		return site.Page{Items: matching, Total: len(matching)}, nil
+	}
+	start := min((max(query.Page, 1)-1)*query.Size, len(matching))
+	end := min(start+query.Size, len(matching))
+	return site.Page{Items: matching[start:end], Total: len(matching)}, nil
+}
+
 func (m *mockSiteRepo) Get(id uint32) (site.Site, error) {
 	if err := m.fail.trigger("Get"); err != nil {
 		return site.Site{}, err