From 878480097a7f1c09c25e07f95786503f7d6cfefb 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 11:10:02 +0900
Subject: [PATCH] =?UTF-8?q?Converter=E5=AE=9F=E8=A3=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../common/TagArrayListConverter.java         | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 source/src/main/java/one/nem/lacerta/source/database/common/TagArrayListConverter.java

diff --git a/source/src/main/java/one/nem/lacerta/source/database/common/TagArrayListConverter.java b/source/src/main/java/one/nem/lacerta/source/database/common/TagArrayListConverter.java
new file mode 100644
index 00000000..e9bd635b
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/database/common/TagArrayListConverter.java
@@ -0,0 +1,28 @@
+package one.nem.lacerta.source.database.common;
+
+import androidx.room.TypeConverter;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class TagArrayListConverter {
+
+    @TypeConverter
+    public static ArrayList<String> fromString(String value) {
+        return value == null ? null : new ArrayList<String>(Arrays.asList(value.split(",")));
+    }
+
+    @TypeConverter
+    public static String fromArrayList(ArrayList<String> list) {
+        if (list == null) {
+            return null;
+        }
+
+        StringBuilder sb = new StringBuilder();
+        for (String s : list) {
+            sb.append(s);
+            sb.append(",");
+        }
+        return sb.toString();
+    }
+}