From 957ad6aacb6adc2fa839dc91dd4d772c790aac03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=82=8D=E3=82=80=E3=81=AD=E3=81=93?= <nem@nem.x0.to>
Date: Thu, 14 Dec 2023 11:36:09 +0900
Subject: [PATCH] =?UTF-8?q?TagList=E3=81=AEConverter=E3=82=92=E5=AE=9F?=
 =?UTF-8?q?=E8=A3=85=E3=81=97=E3=81=9F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../database/common/TagListConverter.java     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 source/src/main/java/one/nem/lacerta/source/database/common/TagListConverter.java

diff --git a/source/src/main/java/one/nem/lacerta/source/database/common/TagListConverter.java b/source/src/main/java/one/nem/lacerta/source/database/common/TagListConverter.java
new file mode 100644
index 00000000..0a738651
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/database/common/TagListConverter.java
@@ -0,0 +1,19 @@
+package one.nem.lacerta.source.database.common;
+
+import androidx.room.TypeConverter;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public class TagListConverter {
+    @TypeConverter
+    public static String fromList(List<String> list) {
+        return list == null ? null : String.join(",", list);
+    }
+
+    @TypeConverter
+    public static List<String> fromString(String value) {
+        return value == null ? Collections.emptyList() : Arrays.asList(value.split(","));
+    }
+}