Better naming for for top level function class.

* Using top-level extension function instead of object class function.

app/build.gradle.kts

@@ -18,7 +18,7 @@ android {
     base.archivesName.set(apkPrefix)
     resValue("string", "app_name", "Kiwix")
     resValue("string", "app_search_string", "Search Kiwix")
-    versionCode = GenerateVersionCode.getVersionCode()
+    versionCode = "".getVersionCode()
     versionName = generateVersionName()
     manifestPlaceholders["permission"] = "android.permission.MANAGE_EXTERNAL_STORAGE"
   }
@@ -85,7 +85,7 @@ task("generateVersionCodeAndName") {
   file.printWriter().use {
     it.print(
       "${generateVersionName()}\n" +
-        "7${GenerateVersionCode.getVersionCode()}"
+        "7" + "".getVersionCode()
     )
   }
 }

buildSrc/src/main/kotlin/GenerateVersionCode.kt

@@ -1,40 +0,0 @@
-import java.time.LocalDate
-import java.time.temporal.ChronoUnit
-
-/*
- * Kiwix Android
- * Copyright (c) 2024 Kiwix <android.kiwix.org>
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-object GenerateVersionCode {
-  fun getVersionCode(): Int {
-    // the date when the automatic version code generation started
-    val lastDate = LocalDate.of(2024, 7, 17)
-
-    // Calculate the number of days between the lastDate and today's date.
-    // This gives us the total number of days since the last version code was set.
-    val daysDifference = ChronoUnit.DAYS.between(lastDate, LocalDate.now()).toInt()
-
-    // Base version code. This is the version code of the last release uploaded to the Play Store.
-    // We use this as the starting point for generating new version codes automatically.
-    val baseVersionCode = 231101
-
-    // Generate and return the new version code.
-    // The new version code is calculated by adding the number of days since lastDate
-    // to the base version code. This creates a unique version code for each day.
-    return baseVersionCode + daysDifference
-  }
-}

buildSrc/src/main/kotlin/VersionCodeGenerator.kt

@@ -0,0 +1,38 @@
+import java.time.LocalDate
+import java.time.temporal.ChronoUnit
+
+/*
+ * Kiwix Android
+ * Copyright (c) 2024 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+fun String.getVersionCode(): Int {
+  // the date when the automatic version code generation started
+  val lastDate = LocalDate.of(2024, 7, 17)
+
+  // Calculate the number of days between the lastDate and today's date.
+  // This gives us the total number of days since the last version code was set.
+  val daysDifference = ChronoUnit.DAYS.between(lastDate, LocalDate.now()).toInt()
+
+  // Base version code. This is the version code of the last release uploaded to the Play Store.
+  // We use this as the starting point for generating new version codes automatically.
+  val baseVersionCode = 231101
+
+  // Generate and return the new version code.
+  // The new version code is calculated by adding the number of days since lastDate
+  // to the base version code. This creates a unique version code for each day.
+  return baseVersionCode + daysDifference
+}

core/build.gradle.kts

@@ -21,7 +21,7 @@ apply(plugin = "com.jakewharton.butterknife")
 
 android {
   defaultConfig {
-    buildConfigField("long", "VERSION_CODE", "${GenerateVersionCode.getVersionCode()}")
+    buildConfigField("long", "VERSION_CODE", "".getVersionCode().toString())
   }
   buildTypes {
     getByName("release") {