feat(channel-donation-calculate): 채널 후원 정산 조회 기능을 추가한다

src/test/kotlin/kr/co/vividnext/sodalive/support/H2MySqlFunctionDialect.kt

@@ -0,0 +1,14 @@
+package kr.co.vividnext.sodalive.support
+
+import org.hibernate.dialect.H2Dialect
+import org.hibernate.dialect.function.StandardSQLFunction
+import org.hibernate.type.StandardBasicTypes
+
+class H2MySqlFunctionDialect : H2Dialect() {
+    init {
+        registerFunction("date_format", StandardSQLFunction("DATE_FORMAT", StandardBasicTypes.STRING))
+        registerFunction("DATE_FORMAT", StandardSQLFunction("DATE_FORMAT", StandardBasicTypes.STRING))
+        registerFunction("convert_tz", StandardSQLFunction("CONVERT_TZ", StandardBasicTypes.TIMESTAMP))
+        registerFunction("CONVERT_TZ", StandardSQLFunction("CONVERT_TZ", StandardBasicTypes.TIMESTAMP))
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/support/H2MysqlDateFunctions.kt

@@ -0,0 +1,36 @@
+package kr.co.vividnext.sodalive.support
+
+import java.sql.Timestamp
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+
+class H2MysqlDateFunctions {
+    companion object {
+        @JvmStatic
+        fun convertTz(value: Timestamp?, fromTz: String?, toTz: String?): Timestamp? {
+            if (value == null || fromTz == null || toTz == null) {
+                return value
+            }
+
+            val fromZoneId = ZoneId.of(fromTz)
+            val toZoneId = ZoneId.of(toTz)
+            val converted = value.toLocalDateTime().atZone(fromZoneId).withZoneSameInstant(toZoneId).toLocalDateTime()
+
+            return Timestamp.valueOf(converted)
+        }
+
+        @JvmStatic
+        fun dateFormat(value: Timestamp?, pattern: String?): String? {
+            if (value == null || pattern == null) {
+                return null
+            }
+
+            val javaPattern = pattern
+                .replace("%Y", "yyyy")
+                .replace("%m", "MM")
+                .replace("%d", "dd")
+
+            return value.toLocalDateTime().format(DateTimeFormatter.ofPattern(javaPattern))
+        }
+    }
+}