Preview Test

app/src/main/java/net/helcel/cowspent/util/SyncSettings.kt

@@ -0,0 +1,33 @@
+package net.helcel.cowspent.util
+
+import android.content.Context
+import androidx.preference.PreferenceManager
+import net.helcel.cowspent.R
+
+/**
+ * The SyncOnOpen preference: how often opening the app refreshes the account and every project.
+ *
+ * The choices and the default live here rather than in the settings screen so that the screen and
+ * the sync trigger cannot disagree about what is in effect.
+ */
+object SyncSettings {
+
+    /** Steps offered by the slider, in minutes. */
+    val INTERVAL_CHOICES_MINUTES = listOf(1, 10, 60, 1440)
+
+    const val DEFAULT_INTERVAL_MINUTES = 10
+
+    /**
+     * The configured interval in minutes. A stored value that is not one of the offered steps —
+     * from a restored backup, or a build that changed the steps — falls back to the default
+     * rather than being displayed as the first step while a different value drives the sync.
+     */
+    fun intervalMinutes(context: Context): Int {
+        val prefs = PreferenceManager.getDefaultSharedPreferences(context)
+        val stored = prefs.getInt(
+            context.getString(R.string.pref_key_auto_sync_on_open),
+            DEFAULT_INTERVAL_MINUTES
+        )
+        return if (stored in INTERVAL_CHOICES_MINUTES) stored else DEFAULT_INTERVAL_MINUTES
+    }
+}