split a bunch of lists free of UI templates, and also fixed profile language display

util/countrylist.go

@@ -0,0 +1,56 @@
+/*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+// Package util contains utility definitions.
+package util
+
+import (
+	"slices"
+	"strings"
+	"sync"
+
+	"git.erbosoft.com/amy/amsterdam/config"
+	"github.com/biter777/countries"
+)
+
+// cachedCountryList is the cached country list after sorting.
+var cachedCountryList []countries.CountryCode = nil
+
+// countryListMutex control access to internalGetCountryList.
+var countryListMutex sync.Mutex
+
+// AmCountryList is a wrapper around countries.All() that sorts it by country name.
+func AmCountryList() []countries.CountryCode {
+	countryListMutex.Lock()
+	defer countryListMutex.Unlock()
+	if cachedCountryList == nil {
+		countryList := countries.All()
+		slices.SortFunc(countryList, func(a countries.CountryCode, b countries.CountryCode) int {
+			return strings.Compare(a.Info().Name, b.Info().Name)
+		})
+		if config.GlobalConfig.Rendering.CountryList.Prioritize != "" {
+			for i, c := range countryList {
+				if c.Info().Alpha2 == config.GlobalConfig.Rendering.CountryList.Prioritize {
+					newList := make([]countries.CountryCode, len(countryList))
+					newList[0] = c
+					copy(newList[1:], countryList[:i])
+					copy(newList[i+1:], countryList[i+1:])
+					countryList = newList
+				}
+			}
+		}
+		cachedCountryList = countryList
+	}
+	return cachedCountryList
+}
+
+// init preloads the country list.
+func init() {
+	go AmCountryList()
+}