Reworked Locale handling + deprecations + linting (#13142)

* Linting and deprecations

* Trial and error for Locale factories

* Reworked Locale handling

* Clean up fastlane for Rusyn

* Decide open question in favour of supported methods

core/src/com/unciv/logic/files/FileChooser.kt

@@ -143,7 +143,7 @@ open class FileChooser(
         add(fileScroll).colspan(2).fill().row()
         addSeparator(height = 1f)
         fileNameCell = add().colspan(2).growX()
-        row()
+        super.row()
 
         addCloseButton(Constants.cancel) {
             reportResult(false)

core/src/com/unciv/logic/files/UncivFiles.kt

@@ -59,7 +59,7 @@ class UncivFiles(
     }
 
     fun getModsFolder() = getLocalFile("mods")
-    fun getModFolder(modName: String) = getModsFolder().child(modName)
+    fun getModFolder(modName: String): FileHandle = getModsFolder().child(modName)
 
     /** The folder that holds data that the game changes while running - all the mods, maps, save files, etc */
     fun getDataFolder() = getLocalFile("")
@@ -167,7 +167,7 @@ class UncivFiles(
     /**
      * Only use this with a [FileHandle] obtained by one of the methods of this class!
      */
-    fun saveGame(game: GameInfo, file: FileHandle, saveCompletionCallback: (Exception?) -> Unit = { if (it != null) throw it }) {
+    private fun saveGame(game: GameInfo, file: FileHandle, saveCompletionCallback: (Exception?) -> Unit = { if (it != null) throw it }) {
         try {
             debug("Saving GameInfo %s to %s", game.gameId, file.path())
             val string = gameInfoToString(game)
@@ -322,7 +322,7 @@ class UncivFiles(
     //endregion
     
     //region Scenarios
-    val scenarioFolder = "scenarios"
+    private val scenarioFolder = "scenarios"
     fun getScenarioFiles() = sequence {
         for (mod in RulesetCache.values) {
             val modFolder = mod.folderLocation ?: continue

core/src/com/unciv/logic/github/Github.kt

@@ -19,7 +19,7 @@ import java.io.FileFilter
 import java.io.InputStream
 import java.io.InputStreamReader
 import java.net.HttpURLConnection
-import java.net.URL
+import java.net.URI
 import java.nio.ByteBuffer
 import java.util.zip.ZipException
 
@@ -48,7 +48,7 @@ object Github {
     // Consider merging this with the Dropbox function
     /**
      * Helper opens an url and accesses its input stream, logging errors to the console
-     * @param url String representing a [URL] to download.
+     * @param url String representing a [URI] to download.
      * @param preDownloadAction Optional callback that will be executed between opening the connection and
      *          accessing its data - passes the [connection][HttpURLConnection] and allows e.g. reading the response headers.
      * @return The [InputStream] if successful, `null` otherwise.
@@ -56,9 +56,8 @@ object Github {
     fun download(url: String, preDownloadAction: (HttpURLConnection) -> Unit = {}): InputStream? {
         try {
             // Problem type 1 - opening the URL connection
-            @Suppress("DEPRECATION") // We still support Java < 20
-            with(URL(url).openConnection() as HttpURLConnection)
-            {
+            // URL(string) is deprecated, URI.toUrl(string) API level 36, see [Android Doc](https://developer.android.com/reference/java/net/URI#toURL()):
+            with(URI(url).toURL().openConnection() as HttpURLConnection) {
                 preDownloadAction(this)
                 // Problem type 2 - getting the information
                 try {

core/src/com/unciv/logic/multiplayer/storage/DropBox.kt

@@ -9,8 +9,7 @@ import java.io.DataOutputStream
 import java.io.InputStream
 import java.io.InputStreamReader
 import java.net.HttpURLConnection
-import java.net.URL
-import java.nio.charset.Charset
+import java.net.URI
 import java.util.Date
 import java.util.Timer
 import kotlin.concurrent.timer
@@ -25,7 +24,8 @@ object DropBox: FileStorage {
         if (remainingRateLimitSeconds > 0)
             throw FileStorageRateLimitReached(remainingRateLimitSeconds)
 
-        with(URL(url).openConnection() as HttpURLConnection) {
+        // URL(string) is deprecated, URI.toUrl(string) API level 36:
+        with(URI(url).toURL().openConnection() as HttpURLConnection) {
             requestMethod = "POST"  // default is GET
 
             @Suppress("SpellCheckingInspection")

core/src/com/unciv/models/metadata/GameSettings.kt

@@ -7,8 +7,6 @@ import com.unciv.Constants
 import com.unciv.UncivGame
 import com.unciv.logic.multiplayer.FriendList
 import com.unciv.models.UncivSound
-import com.unciv.models.translations.Translations.Companion.getLocaleFromLanguage
-import com.unciv.models.translations.Translations.Companion.getNumberFormatFromLanguage
 import com.unciv.ui.components.fonts.FontFamilyData
 import com.unciv.ui.components.fonts.Fonts
 import com.unciv.ui.components.input.KeyboardBindings
@@ -175,7 +173,7 @@ class GameSettings {
     }
 
     fun updateLocaleFromLanguage() {
-        locale = getLocaleFromLanguage(language)
+        locale = LocaleCode.getLocale(language)
     }
 
     fun getFontSize(): Int {
@@ -193,7 +191,7 @@ class GameSettings {
     }
 
     fun getCurrentNumberFormat(): NumberFormat {
-        return getNumberFormatFromLanguage(language)
+        return LocaleCode.getNumberFormatFromLanguage(language)
     }
 
     //endregion
@@ -262,67 +260,6 @@ class GameSettings {
 
     enum class NationPickerListMode { Icons, List }
 
-    /** Map Unciv language key to Java locale, for the purpose of getting a Collator for sorting.
-     *  - Effect depends on the Java libraries and may not always conform to expectations.
-     *    If in doubt, debug and see what Locale instance you get and compare its properties with `Locale.getDefault()`.
-     *    (`Collator.getInstance(LocaleCode.*.run { Locale(language, country) }) to Collator.getInstance()`, drill to both `rules`, compare hashes - if equal and other properties equal, then Java doesn't know your Language))
-     *  @property name same as translation file name with ' ', '_', '-', '(', ')' removed
-     *  @property language ISO 639-1 code for the language
-     *  @property country ISO 3166 code for the nation this is predominantly spoken in
-     *  @property trueLanguage If set, used instead of language to trick Java into supplying a close-enough collator (a no-match would otherwise give us the default collator, not a collator for a partial match)
-     */
-    enum class LocaleCode(val language: String, val country: String, val trueLanguage: String? = null) {
-        Afrikaans("af", "ZA"),
-        Arabic("ar", "IQ"),
-        Bangla("bn", "BD"),
-        Belarusian("be", "BY"),
-        Bosnian("bs", "BA"),
-        BrazilianPortuguese("pt", "BR"),
-        Bulgarian("bg", "BG"),
-        Catalan("ca", "ES"),
-        Croatian("hr", "HR"),
-        Czech("cs", "CZ"),
-        Danish("da", "DK"),
-        Dutch("nl", "NL"),
-        English("en", "US"),
-        Estonian("et", "EE"),
-        Finnish("fi", "FI"),
-        French("fr", "FR"),
-        Galician("gl", "ES"),
-        German("de", "DE"),
-        Greek("el", "GR"),
-        Hindi("hi", "IN"),
-        Hungarian("hu", "HU"),
-        Indonesian("in", "ID"),
-        Italian("it", "IT"),
-        Japanese("ja", "JP"),
-        Korean("ko", "KR"),
-        Latin("la", "IT"),
-        Latvian("lv", "LV"),
-        Lithuanian("lt", "LT"),
-        Malay("ms", "MY"),
-        Norwegian("no", "NO"),
-        NorwegianNynorsk("nn", "NO"),
-        PersianPinglishDIN("fa", "IR"), // These might just fall back to default
-        PersianPinglishUN("fa", "IR"),
-        Polish("pl", "PL"),
-        Portuguese("pt", "PT"),
-        Romanian("ro", "RO"),
-        Russian("ru", "RU"),
-        Rusyn("uk", "UA", "rus"), // No specific locale for rus exists, so use closest for collator
-        Serbian("sr", "RS"),
-        SimplifiedChinese("zh", "CN"),
-        Slovak("sk", "SK"),
-        Spanish("es", "ES"),
-        Swedish("sv", "SE"),
-        Thai("th", "TH"),
-        TraditionalChinese("zh", "TW"),
-        Turkish("tr", "TR"),
-        Ukrainian("uk", "UA"),
-        Vietnamese("vi", "VN"),
-        Zulu("zu", "ZA")
-    }
-
     //endregion
     //region Multiplayer-specific
 

core/src/com/unciv/models/metadata/LocaleCode.kt

@@ -0,0 +1,97 @@
+package com.unciv.models.metadata
+
+import java.text.NumberFormat
+import java.util.Locale
+
+/** Map Unciv language key to Java locale, for the purpose of getting a Collator for sorting.
+ *  - Effect depends on the Java libraries and may not always conform to expectations.
+ *    If in doubt, debug and see what Locale instance you get and compare its properties with `Locale.getDefault()`.
+ *    (`Collator.getInstance(LocaleCode.*.run { Locale(language, country) }) to Collator.getInstance()`, drill to both `rules`, compare hashes - if equal and other properties equal, then Java doesn't know your Language))
+ *  - For languages without an easy predefined Locale, collation or numeric formats can be forced using [Unicode Extensions for BCP 47](https://www.unicode.org/reports/tr35/#Locale_Extension_Key_and_Type_Data).
+ *
+ *  @property name **Must** be the same as the translation file name with ' ', '_', '-', '(', ')' removed
+ *  @property languageTag IETF BCP 47 language tag - see [forLanguageTag][Locale.forLanguageTag] or [Android reference][https://developer.android.com/reference/java/util/Locale#forLanguageTag(java.lang.String)]
+ *                        Usually the ISO 639-1 code for the language, a dash, and the ISO 3166 code for the nation this is predominantly spoken in
+ *  @property fastlaneFolder If set, it's used instead of the language part of [languageTag] as fastlane folder name
+ */
+enum class LocaleCode(val languageTag: String, private val fastlaneFolder: String? = null) {
+    Afrikaans("af-ZA"),
+    Arabic("ar-IQ"),
+    Bangla("bn-BD"),
+    Belarusian("be-BY"),
+    Bosnian("bs-BA"),
+    BrazilianPortuguese("pt-BR"),
+    Bulgarian("bg-BG"),
+    Catalan("ca-ES"),
+    Croatian("hr-HR"),
+    Czech("cs-CZ"),
+    Danish("da-DK"),
+    Dutch("nl-NL"),
+    English("en-US"),
+    Estonian("et-EE"),
+    Finnish("fi-FI"),
+    French("fr-FR"),
+    Galician("gl-ES"),
+    German("de-DE"),
+    Greek("el-GR"),
+    Hindi("hi-IN"),
+    Hungarian("hu-HU"),
+    Indonesian("in-ID"),
+    Italian("it-IT"),
+    Japanese("ja-JP"),
+    Korean("ko-KR"),
+    Latin("la-IT"),
+    Latvian("lv-LV"),
+    Lithuanian("lt-LT"),
+    Malay("ms-MY"),
+    Norwegian("no-NO"),
+    NorwegianNynorsk("nn-NO"),
+    PersianPinglishDIN("fa-IR"), // These might just fall back to default
+    PersianPinglishUN("fa-IR"),
+    Polish("pl-PL"),
+    Portuguese("pt-PT"),
+    Romanian("ro-RO"),
+    Russian("ru-RU"),
+    Rusyn("rue-SK-u-kr-cyrl-latn-digit", "rue"), // No specific locale exists, so use explicit cyrillic collation. Chose country with most speakers.
+    Serbian("sr-RS"),
+    SimplifiedChinese("zh-CN"),
+    Slovak("sk-SK"),
+    Spanish("es-ES"),
+    Swedish("sv-SE"),
+    Thai("th-TH"),
+    TraditionalChinese("zh-TW"),
+    Turkish("tr-TR"),
+    Ukrainian("uk-UA"),
+    Vietnamese("vi-VN"),
+    Zulu("zu-ZA")
+    ;
+
+    fun locale(): Locale = Locale.forLanguageTag(languageTag)
+    fun fastlaneFolder(): String = this.fastlaneFolder ?: locale().language
+
+    companion object {
+        private val bannedCharacters = listOf(' ', '_', '-', '(', ')') // Things not to have in enum names
+
+        /** Find a LocaleCode for a [language] as stored in GameSettings */
+        fun find(language: String): LocaleCode? {
+            val languageName = language.filterNot { it in bannedCharacters }
+            return LocaleCode.entries.firstOrNull { it.name == languageName }
+        }
+
+        /** Get a Java Locale for a [language] as stored in GameSettings */
+        fun getLocale(language: String): Locale =
+            find(language)?.locale() ?: Locale.getDefault()
+
+        /** Get the fastlane folder name for a [language] as stored in GameSettings */
+        fun fastlaneFolder(language: String) =
+            find(language)?.fastlaneFolder() ?: "en"
+
+        // NumberFormat cache, key: language, value: NumberFormat
+        private val languageToNumberFormat = mutableMapOf<String, NumberFormat>()
+
+        fun getNumberFormatFromLanguage(language: String): NumberFormat =
+            languageToNumberFormat.getOrPut(language) {
+                NumberFormat.getInstance(getLocale(language))
+            }
+    }
+}

core/src/com/unciv/models/translations/TranslationFileWriter.kt

@@ -8,7 +8,7 @@ import com.unciv.json.json
 import com.unciv.logic.civilization.diplomacy.DiplomaticModifiers
 import com.unciv.models.SpyAction
 import com.unciv.models.metadata.BaseRuleset
-import com.unciv.models.metadata.GameSettings.LocaleCode
+import com.unciv.models.metadata.LocaleCode
 import com.unciv.models.ruleset.Belief
 import com.unciv.models.ruleset.Building
 import com.unciv.models.ruleset.Event
@@ -558,8 +558,7 @@ object TranslationFileWriter {
                 !endWithNewline && translated.endsWith('\n') -> translated.removeSuffix("\n")
                 else -> translated
             }
-            val localeCode = LocaleCode.valueOf(language.replace("_",""))
-            val path = fastlanePath + (localeCode.trueLanguage ?: localeCode.language)
+            val path = fastlanePath + LocaleCode.fastlaneFolder(language)
             File(path).mkdirs()
             File(path + File.separator + fileName).writeText(fileContent)
         }

core/src/com/unciv/models/translations/Translations.kt

@@ -3,7 +3,7 @@ package com.unciv.models.translations
 import com.badlogic.gdx.Gdx
 import com.unciv.Constants
 import com.unciv.UncivGame
-import com.unciv.models.metadata.GameSettings.LocaleCode
+import com.unciv.models.metadata.LocaleCode
 import com.unciv.models.ruleset.RulesetCache
 import com.unciv.models.ruleset.unique.Unique
 import com.unciv.models.stats.Stat
@@ -14,7 +14,6 @@ import com.unciv.utils.Log
 import com.unciv.utils.debug
 import java.util.Locale
 import org.jetbrains.annotations.VisibleForTesting
-import java.text.NumberFormat
 
 /**
  *  This collection holds all translations for the game.
@@ -209,11 +208,8 @@ class Translations : LinkedHashMap<String, TranslationEntry>() {
         return getText(englishConditionalOrderingString, language, null)
     }
 
-    fun placeConditionalsAfterUnique(language: String): Boolean {
-        if (get(conditionalUniqueOrderString, language, null)?.get(language) == "before")
-            return false
-        return true
-    }
+    fun placeConditionalsAfterUnique(language: String) =
+        get(conditionalUniqueOrderString, language, null)?.get(language) != "before"
 
     /** Returns the equivalent of a space in the given language
      * Defaults to a space if no translation is provided
@@ -239,26 +235,6 @@ class Translations : LinkedHashMap<String, TranslationEntry>() {
         const val conditionalUniqueOrderString = "ConditionalsPlacement"
         const val shouldCapitalizeString = "StartWithCapitalLetter"
         const val effectBeforeCause = "EffectBeforeCause"
-
-        // NumberFormat cache, key: language, value: NumberFormat
-        private val languageToNumberFormat = mutableMapOf<String, NumberFormat>()
-
-        fun getLocaleFromLanguage(language: String): Locale {
-            val bannedCharacters =
-                listOf(' ', '_', '-', '(', ')') // Things not to have in enum names
-            val languageName = language.filterNot { it in bannedCharacters }
-            return try {
-                val code = LocaleCode.valueOf(languageName)
-                Locale(code.language, code.country)
-            } catch (_: Exception) {
-                Locale.getDefault()
-            }
-        }
-
-        fun getNumberFormatFromLanguage(language: String): NumberFormat =
-            languageToNumberFormat.getOrPut(language) {
-                NumberFormat.getInstance(getLocaleFromLanguage(language))
-            }
     }
 }
 
@@ -572,5 +548,5 @@ fun Number.tr(): String {
 
 // formats number according to given language
 fun Number.tr(language: String): String {
-    return Translations.getNumberFormatFromLanguage(language).format(this)
+    return LocaleCode.getNumberFormatFromLanguage(language).format(this)
 }

fastlane/metadata/android/rus/full_description.txt

@@ -1,14 +0,0 @@
-Удтвореня майпопуларної бавкы за створьованя цвілізацій – фрішноє, манінькоє, без рекламы, навхтема бесплатноє
-Стройте свою цівілізацію, изучайте технолоґії, росширяйте свої території, сказіт тай дотовчіт своїх ворогув!
-
-Понуканя? Багы? Испис задач сьої бавкы увидьте туйкы https://github.com/yairm210/Unciv/issues, ушитка помуч дуже ся чистує!
-
-Звіданкы? Коментарії? Просто лудно? Прикапчуйте ся ид нам у діскордови https://discord.gg/bjrB4Xw.
-
-Хотіли бы-сьте помочи перекласти бавку вашым языком? Напишіт ми мейл на yairm210@hotmail.com.
-
-Знаєте за Grok Java авадь Kotlin? Пойте сюды https://github.com/yairm210/Unciv.
-
-Світ вас чекат! Ци вчините из свойої цівілізації імперію, яка утримат провбу часом?
-
-Позволеня на доступ ид сіті мусай дати про ініціовані бавлячом стирьханя тай про мультіплеєрноє бавліня. Ушиткі другі позволеня самі ся додавут API, якый изхосновали-сьме використали про уповісткы за ходы у совмістнуй бавці. Позволеня на доступ ид интернетови мусай дати, обы пак побрати си моды тай музыку, а ще для коректного ладованя мултіплеєрных бавок. Ушиткі другі міньбы не ініціювут ся ігров Unciv.

fastlane/metadata/android/rus/short_description.txt

@@ -1 +0,0 @@
-4X-стратеґія за створьованя цівілізацій

tests/src/com/unciv/logic/TranslationTests.kt

@@ -5,7 +5,7 @@ import com.badlogic.gdx.Gdx
 import com.unciv.Constants
 import com.unciv.UncivGame
 import com.unciv.models.metadata.GameSettings
-import com.unciv.models.metadata.GameSettings.LocaleCode
+import com.unciv.models.metadata.LocaleCode
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.RulesetCache
 import com.unciv.models.stats.Stats