db cursor helper

core/src/main/kotlin/me/rhunk/snapenhance/util/DbCursorExt.kt

@@ -0,0 +1,28 @@
+package me.rhunk.snapenhance.util
+
+import android.database.Cursor
+
+fun Cursor.getStringOrNull(columnName: String): String? {
+    val columnIndex = getColumnIndex(columnName)
+    return if (columnIndex == -1) null else getString(columnIndex)
+}
+
+fun Cursor.getIntOrNull(columnName: String): Int? {
+    val columnIndex = getColumnIndex(columnName)
+    return if (columnIndex == -1) null else getInt(columnIndex)
+}
+
+fun Cursor.getLongOrNull(columnName: String): Long? {
+    val columnIndex = getColumnIndex(columnName)
+    return if (columnIndex == -1) null else getLong(columnIndex)
+}
+
+fun Cursor.getDoubleOrNull(columnName: String): Double? {
+    val columnIndex = getColumnIndex(columnName)
+    return if (columnIndex == -1) null else getDouble(columnIndex)
+}
+
+fun Cursor.getFloatOrNull(columnName: String): Float? {
+    val columnIndex = getColumnIndex(columnName)
+    return if (columnIndex == -1) null else getFloat(columnIndex)
+}