Add ConfigWriter for Flyway and Doobie

doobie-hikari-pureconfig/src/main/scala/com/avast/sst/doobie/pureconfig/ConfigWriters.scala

@@ -0,0 +1,23 @@
+package com.avast.sst.doobie.pureconfig
+
+import com.avast.sst.doobie.DoobieHikariConfig
+import doobie.enumerated.TransactionIsolation
+import pureconfig.ConfigWriter
+import pureconfig.generic.ProductHint
+import pureconfig.generic.semiauto.deriveWriter
+
+trait ConfigWriters {
+
+  implicit protected def hint[T]: ProductHint[T] = ProductHint.default
+
+  implicit val doobieTransactionIsolationWriter: ConfigWriter[TransactionIsolation] = ConfigWriter[String].contramap[TransactionIsolation] {
+    case TransactionIsolation.TransactionNone            => "TRANSACTION_NONE"
+    case TransactionIsolation.TransactionReadUncommitted => "TRANSACTION_READ_UNCOMMITTED"
+    case TransactionIsolation.TransactionReadCommitted   => "TRANSACTION_READ_COMMITTED"
+    case TransactionIsolation.TransactionRepeatableRead  => "TRANSACTION_REPEATABLE_READ"
+    case TransactionIsolation.TransactionSerializable    => "TRANSACTION_SERIALIZABLE"
+  }
+
+  implicit val doobieDoobieHikariConfigWriter: ConfigWriter[DoobieHikariConfig] = deriveWriter
+
+}

doobie-hikari-pureconfig/src/main/scala/com/avast/sst/doobie/pureconfig/implicits.scala

@@ -3,17 +3,21 @@ package com.avast.sst.doobie.pureconfig
 import pureconfig.ConfigFieldMapping
 import pureconfig.generic.ProductHint
 
-/** Contains [[pureconfig.ConfigReader]] instances with default "kebab-case" naming convention. */
-object implicits extends ConfigReaders {
+/** Contains [[pureconfig.ConfigReader]] and [[pureconfig.ConfigWriter]] instances with default "kebab-case" naming convention. */
+object implicits extends ConfigReaders with ConfigWriters {
 
-  /** Contains [[pureconfig.ConfigReader]] instances with "kebab-case" naming convention.
+  override implicit protected def hint[T]: ProductHint[T] = ProductHint.default
+
+  /** Contains [[pureconfig.ConfigReader]] and [[pureconfig.ConfigWriter]] instances with "kebab-case" naming convention.
     *
     * This is alias for the default `implicits._` import.
     */
-  object KebabCase extends ConfigReaders
+  object KebabCase extends ConfigReaders with ConfigWriters {
+    override implicit protected def hint[T]: ProductHint[T] = ProductHint.default
+  }
 
-  /** Contains [[pureconfig.ConfigReader]] instances with "camelCase" naming convention. */
-  object CamelCase extends ConfigReaders {
+  /** Contains [[pureconfig.ConfigReader]] and [[pureconfig.ConfigWriter]] instances with "camelCase" naming convention. */
+  object CamelCase extends ConfigReaders with ConfigWriters {
     implicit override protected def hint[T]: ProductHint[T] = ProductHint(ConfigFieldMapping(pureconfig.CamelCase, pureconfig.CamelCase))
   }
 

flyway-pureconfig/src/main/scala/com/avast/sst/flyway/pureconfig/ConfigWriters.scala

@@ -0,0 +1,20 @@
+package com.avast.sst.flyway.pureconfig
+
+import com.avast.sst.flyway.FlywayConfig
+import org.flywaydb.core.api.MigrationVersion
+import pureconfig.ConfigWriter
+import pureconfig.generic.ProductHint
+import pureconfig.generic.semiauto.deriveWriter
+
+import java.nio.charset.Charset
+
+trait ConfigWriters {
+
+  implicit protected def hint[T]: ProductHint[T] = ProductHint.default
+
+  implicit private[pureconfig] val flywayCharsetWriter: ConfigWriter[Charset] = ConfigWriter[String].contramap[Charset](_.name)
+
+  implicit val flywayMigrationVersionWriter: ConfigWriter[MigrationVersion] = ConfigWriter[String].contramap[MigrationVersion](_.getVersion)
+
+  implicit val flywayFlywayConfigWriter: ConfigWriter[FlywayConfig] = deriveWriter
+}

flyway-pureconfig/src/main/scala/com/avast/sst/flyway/pureconfig/implicits.scala

@@ -3,17 +3,21 @@ package com.avast.sst.flyway.pureconfig
 import pureconfig.ConfigFieldMapping
 import pureconfig.generic.ProductHint
 
-/** Contains [[pureconfig.ConfigReader]] instances with default "kebab-case" naming convention. */
-object implicits extends ConfigReaders {
+/** Contains [[pureconfig.ConfigReader]] and [[pureconfig.ConfigWriter]] instances with default "kebab-case" naming convention. */
+object implicits extends ConfigReaders with ConfigWriters {
 
-  /** Contains [[pureconfig.ConfigReader]] instances with "kebab-case" naming convention.
+  override implicit protected def hint[T]: ProductHint[T] = ProductHint.default
+
+  /** Contains [[pureconfig.ConfigReader]] and [[pureconfig.ConfigWriter]] instances with "kebab-case" naming convention.
     *
     * This is alias for the default `implicits._` import.
     */
-  object KebabCase extends ConfigReaders
+  object KebabCase extends ConfigReaders with ConfigWriters {
+    override implicit protected def hint[T]: ProductHint[T] = ProductHint.default
+  }
 
-  /** Contains [[pureconfig.ConfigReader]] instances with "camelCase" naming convention. */
-  object CamelCase extends ConfigReaders {
+  /** Contains [[pureconfig.ConfigReader]] and [[pureconfig.ConfigWriter]] instances with "camelCase" naming convention. */
+  object CamelCase extends ConfigReaders with ConfigWriters {
     implicit override protected def hint[T]: ProductHint[T] = ProductHint(ConfigFieldMapping(pureconfig.CamelCase, pureconfig.CamelCase))
   }