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Use DB, file or memory to store mindmups (#12)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,30 +1,35 @@ | ||
| quizz { | ||
| loader { | ||
| dir = "" | ||
| dir = ${?LOAD_FROM_DIR} | ||
| } | ||
| } | ||
|
|
||
| feedback { | ||
| slack { | ||
| use = false | ||
| use = ${?USE_SLACK} | ||
| use = ${?FEEDBACK_USE_SLACK} | ||
| token = "" | ||
| token = ${?SLACK_TOKEN} | ||
| } | ||
| database { | ||
| use = false | ||
| use = ${?FEEDBACK_USE_DB} | ||
| } | ||
| } | ||
|
|
||
| mindmup { | ||
| store-type = "file" //file, database or memory | ||
| store-type = ${?MINDMUP_STORAGE} | ||
| } | ||
|
|
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| filestorage { | ||
| dir = "mindmups" | ||
| dir = ${?FILESTORAGE_DIR} | ||
| } | ||
|
|
||
| database { | ||
| use = false | ||
| use = ${?USE_DB} | ||
| host = "localhost" | ||
| host = ${?DB_HOST} | ||
| port = 5432 | ||
| port = ${?DB_PORT} | ||
| dbname = "quizz" | ||
| dbname = ${?DB_NAME} | ||
| user = "postgres" | ||
| user = ${?DB_USERNAME} | ||
| password = "password" | ||
| password = ${?DB_PASSWORD} | ||
| host = "localhost" | ||
| host = ${?DB_HOST} | ||
| port = 5432 | ||
| port = ${?DB_PORT} | ||
| dbname = "quizz" | ||
| dbname = ${?DB_NAME} | ||
| user = "postgres" | ||
| user = ${?DB_USERNAME} | ||
| password = "password" | ||
| password = ${?DB_PASSWORD} | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| package quizz.data | ||
|
|
||
| import cats.effect.{ Async, ContextShift, IO, Sync } | ||
|
|
||
| import scala.language.higherKinds | ||
| import better.files._ | ||
| import cats.{ Applicative, FlatMap } | ||
| import cats.effect.concurrent.Ref | ||
| import doobie.Transactor | ||
| import doobie.util.transactor.Transactor.Aux | ||
| import quizz.db.DatabaseConfig | ||
|
|
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| trait MindmupStore[F[_]] { | ||
|
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| def store(name: String, content: String): F[Unit] | ||
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| def listNames(): F[Set[String]] | ||
|
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| def load(name: String): F[String] | ||
|
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| def delete(name: String): F[Unit] | ||
| } | ||
|
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| object FileMindmupStore { | ||
| def apply[F[_]](dir: File)(implicit ev: Sync[F]): F[FileMindmupStore[F]] = | ||
| Sync[F].delay { | ||
| dir.createDirectoryIfNotExists(createParents = true) | ||
| new FileMindmupStore(dir) | ||
| } | ||
| } | ||
|
|
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| class FileMindmupStore[F[_]: Sync](dir: File) extends MindmupStore[F] { | ||
|
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| override def store(name: String, content: String): F[Unit] = | ||
| Sync[F].delay { | ||
| (dir / name).overwrite(content) | ||
| } | ||
|
|
||
| override def listNames(): F[Set[String]] = | ||
| Sync[F].delay { | ||
| dir.list | ||
| .filter(_.isRegularFile) | ||
| .map(_.name) | ||
| .toSet | ||
| } | ||
|
|
||
| override def load(name: String): F[String] = | ||
| Sync[F].delay { | ||
| (dir / name).contentAsString | ||
| } | ||
|
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| override def delete(name: String): F[Unit] = | ||
| Sync[F].delay { | ||
| val toDelete = dir / name | ||
| toDelete.delete(swallowIOExceptions = false) | ||
| } | ||
| } | ||
|
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| object MemoryMindmupStore { | ||
| def apply[F[_]]()(implicit ev: Sync[F]): F[MemoryMindmupStore[F]] = { | ||
| val ref: F[Ref[F, Map[String, String]]] = | ||
| Ref.of[F, Map[String, String]](Map.empty[String, String]) | ||
| Applicative[F].map(ref)(r => new MemoryMindmupStore[F](r)) | ||
| } | ||
|
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||
| } | ||
|
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| class MemoryMindmupStore[F[_]: Sync](ref: Ref[F, Map[String, String]]) extends MindmupStore[F] { | ||
| override def store(name: String, content: String): F[Unit] = | ||
| ref.update(x => x.updated(name, content)) | ||
|
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| override def listNames(): F[Set[String]] = | ||
| FlatMap[F].flatMap(ref.get)(m => Applicative[F].pure(m.toList.map(_._1).toSet)) | ||
|
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| override def load(name: String): F[String] = | ||
| FlatMap[F].flatMap(ref.get)(m => Applicative[F].pure(m(name))) | ||
|
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| override def delete(name: String): F[Unit] = | ||
| FlatMap[F].flatMap(ref.update(v => v.removed(name)))(_ => Applicative[F].pure(())) | ||
| } | ||
|
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| object DbMindMupStore { | ||
| def apply[F[_]]( | ||
| dbConfig: DatabaseConfig | ||
| )(implicit ec2: Async[F], ev3: ContextShift[F]): F[DbMindMupStore[F]] = | ||
| Async[F].delay { | ||
|
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| implicit val cs: ContextShift[IO] = IO.contextShift(scala.concurrent.ExecutionContext.global) | ||
|
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| val xa: Aux[F, Unit] = Transactor.fromDriverManager[F]( | ||
| driver = "org.postgresql.Driver", | ||
| url = s"jdbc:postgresql://${dbConfig.host}:${dbConfig.port}/${dbConfig.database}", | ||
| user = dbConfig.user, | ||
| pass = dbConfig.password | ||
| ) | ||
|
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| new DbMindMupStore(xa) | ||
| } | ||
| } | ||
|
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| class DbMindMupStore[F[_]: Async: ContextShift](xa: Aux[F, Unit]) extends MindmupStore[F] { | ||
|
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| case class Mindmup(id: String, json: String) | ||
|
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| import doobie.quill.DoobieContext | ||
| import io.getquill.Literal | ||
|
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| val dc = new DoobieContext.Postgres(Literal) // Literal naming scheme | ||
|
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| import dc._ | ||
| import doobie.implicits._ | ||
|
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| override def store(name: String, json: String): F[Unit] = { | ||
| val q: dc.Quoted[dc.Insert[Mindmup]] = quote { | ||
| query[Mindmup] | ||
| .insert(lift(Mindmup(name, json))) | ||
| .onConflictUpdate(_.id)((t, e) => t.json -> e.json) | ||
| } | ||
| Applicative[F].map(run(q).transact(xa))(_ => ()) | ||
| } | ||
|
|
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| override def listNames(): F[Set[String]] = { | ||
| val q = quote { | ||
| query[Mindmup].map(_.id) | ||
| } | ||
| Applicative[F].map(run(q).transact(xa))(_.toSet) | ||
| } | ||
|
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| override def load(name: String): F[String] = { | ||
| val q = quote { | ||
| query[Mindmup].map(x => x.json) | ||
| } | ||
| Applicative[F].map(run(q).transact(xa))(_.head) | ||
| } | ||
|
|
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| override def delete(name: String): F[Unit] = { | ||
| val q = quote { | ||
| query[Mindmup].filter(_.id == lift(name)).delete | ||
| } | ||
| Applicative[F].map(run(q).transact(xa))(_ => ()) | ||
| } | ||
| } |
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