refactor: move PureDark and BookWithCover

app/src/main/java/ua/acclorite/book_story/data/model/common/BookWithCover.kt

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: GPL-3.0-only
  */
 
-package ua.acclorite.book_story.data.model.library
+package ua.acclorite.book_story.data.model.common
 
 import androidx.compose.runtime.Immutable
 import ua.acclorite.book_story.core.CoverImage

app/src/main/java/ua/acclorite/book_story/presentation/main/model/PureDark.kt

@@ -1,30 +0,0 @@
-/*
- * Book's Story — free and open-source Material You eBook reader.
- * Copyright (C) 2024-2025 Acclorite
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-package ua.acclorite.book_story.presentation.main.model
-
-import android.content.Context
-import android.os.PowerManager
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.Immutable
-
-@Immutable
-enum class PureDark {
-    OFF,
-    ON,
-    SAVER
-}
-
-@Composable
-fun PureDark.isPureDark(context: Context): Boolean {
-    val powerManager = context.getSystemService(Context.POWER_SERVICE) as PowerManager
-
-    return when (this) {
-        PureDark.OFF -> false
-        PureDark.ON -> true
-        PureDark.SAVER -> powerManager.isPowerSaveMode
-    }
-}

app/src/main/java/ua/acclorite/book_story/ui/theme/model/PureDark.kt

@@ -0,0 +1,28 @@
+/*
+ * Book's Story — free and open-source Material You eBook reader.
+ * Copyright (C) 2024-2025 Acclorite
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package ua.acclorite.book_story.ui.theme.model
+
+import android.content.Context
+import android.os.PowerManager
+import androidx.compose.runtime.Composable
+
+enum class PureDark {
+    OFF,
+    ON,
+    SAVER;
+
+    @Composable
+    fun isPureDark(context: Context): Boolean {
+        val powerManager = context.getSystemService(Context.POWER_SERVICE) as PowerManager
+
+        return when (this) {
+            OFF -> false
+            ON -> true
+            SAVER -> powerManager.isPowerSaveMode
+        }
+    }
+}