issue-16 add support for scala 3

issue-16 update README to use the proper version of the library

.travis.yml

@@ -1,6 +1,5 @@
 language: scala
 scala:
-  - 2.13.6
-  - 2.12.14
+  - 3.0.1
 script:
   - sbt ++$TRAVIS_SCALA_VERSION compile test publishLocal

CHANGELOG.md

@@ -1,5 +1,9 @@
 CHANGELOG
 =========
 
+3.0.0 - Add support for scala 3
+
+Scala 2
+-------
 0.2.0 - Upgrade sttp client 3
 0.1.7 - Coingecko scala client

README.md

@@ -12,7 +12,12 @@ any backend that sttp supports.
 ## Setup with sbt
 
 Add the following dependency:
+Scala 3
+```scala
+"com.besselstudio.coingecko" %% "client" % "3.0.0"
+```
 
+Scala 2, we will backport updates in the branch 2.x
 ```scala
 "com.besselstudio.coingecko" %% "client" % "0.2.0"
 ```
@@ -34,7 +39,7 @@ import scala.util.{Failure, Success, Try}
 
 object CoingeckoApp extends App {
   println(s"Coingecko App Start")
-  implicit lazy val backend: SttpBackend[Identity, Any] = HttpURLConnectionBackend()
+  given backend: SttpBackend[Identity, Any] = HttpURLConnectionBackend()
   lazy val api = new CoingeckoApi()
 
   lazy val client = new CoingeckoClientImpl(api)

build.sbt

@@ -1,6 +1,6 @@
 import ReleaseTransformations._
 
-ThisBuild / scalaVersion     := "2.13.6"
+ThisBuild / scalaVersion     := "3.0.1"
 ThisBuild / organization     := "com.besselstudio"
 ThisBuild / organizationName := "Bessel Studio"
 ThisBuild / homepage         := Some(url("https://github.com/besselstudio/coingecko"))
@@ -20,7 +20,9 @@ lazy val root = (project in file("."))
         "scm:git:[email protected]:besselstudio/coingecko.git"
       )
     ),
-    crossScalaVersions := Seq(scalaVersion.value, "2.12.14"),
+    scalacOptions ++= Seq(
+      "-Xmax-inlines", "64" //Solves: Maximal number of successive inlines (32) exceeded
+    ),
     resolvers ++= Seq(
       Resolver.sonatypeRepo("releases"),
       Resolver.sonatypeRepo("snapshots")

project/Dependencies.scala

@@ -1,23 +1,20 @@
 import sbt._
 
 object Version {
-  val sttpVersion = "3.3.6"
+  val sttpVersion = "3.3.13"
   val scalaTestVersion = "3.2.9"
-  val playJsonVersion = "2.9.2"
-  val playJsonxVersion = "0.42.0"
+  val playJsonVersion = "2.10.0-RC5"
 }
 
 object Dependencies {
   import Version._
-  lazy val scalaTest = "org.scalatest" %% "scalatest" % "3.2.2" % Test
+  lazy val scalaTest = "org.scalatest" %% "scalatest" % "3.2.9" % Test
   lazy val playJson = "com.typesafe.play" %% "play-json" % playJsonVersion
   lazy val sttpClient = "com.softwaremill.sttp.client3" %% "core" % sttpVersion
-  lazy val playJsonx = "ai.x" %% "play-json-extensions" % playJsonxVersion
 
   lazy val common = Seq(
     scalaTest,
     playJson,
-    sttpClient,
-    playJsonx
+    sttpClient
   )
 }

project/build.properties

@@ -1 +1 @@
-sbt.version=1.5.2
+sbt.version=1.5.5

src/main/scala/com/besselstudio/coingecko/CoingeckoApi.scala

@@ -3,7 +3,7 @@ package com.besselstudio.coingecko
 import sttp.client3.{Identity, Response, SttpBackend, UriContext, basicRequest}
 import sttp.model.QueryParams
 
-class CoingeckoApi(implicit val backend: SttpBackend[Identity, Any]) {
+class CoingeckoApi(using val backend: SttpBackend[Identity, Any]) {
   def get(endpoint: String, params: QueryParams): Identity[Response[Either[String, String]]] = {
       val apiUrl = s"${CoingeckoApi.baseUrl}/$endpoint"
       println(uri"${apiUrl}"

src/main/scala/com/besselstudio/coingecko/CoingeckoApiError.scala

@@ -1,14 +1,15 @@
 package com.besselstudio.coingecko
 
+import com.besselstudio.coingecko.model.response.BaseResponse
 import play.api.libs.json.{Format, Json}
 
 case class CoingeckoApiError(
   code: Int,
   error: String
 )
 
-object CoingeckoApiError {
-  implicit lazy val format: Format[CoingeckoApiError] = Json.format[CoingeckoApiError]
+object CoingeckoApiError extends BaseResponse {
+  given Format[CoingeckoApiError] = Json.format[CoingeckoApiError]
 
   def internalApiError(message: Option[String] = None): CoingeckoApiError =
     CoingeckoApiError(500, s"${message.getOrElse("Coingecko Api Error")}")

src/main/scala/com/besselstudio/coingecko/client/CoingeckoClientImpl.scala

@@ -1,38 +1,18 @@
 package com.besselstudio.coingecko.client
 
+import play.api.libs.json.{Format, JsError, Json, JsSuccess}
 import com.besselstudio.coingecko.model.coins.CoinPrice.CoinWithCurrencies
-import com.besselstudio.coingecko.{
-  CoingeckoApi,
-  CoingeckoApiError,
-  CoingeckoClient
-}
+import com.besselstudio.coingecko.{CoingeckoApi, CoingeckoApiError, CoingeckoClient}
 import com.besselstudio.coingecko.model.coins.status.ProjectUpdate
-import com.besselstudio.coingecko.model.coins.{
-  BaseCoin,
-  Coin,
-  CoinHistory,
-  CoinMarket,
-  CoinTicker,
-  MarketChart
-}
-import com.besselstudio.coingecko.model.events.{
-  EventCountries,
-  EventTypes,
-  Events
-}
-import com.besselstudio.coingecko.model.exchanges.{
-  BaseExchange,
-  Exchange,
-  ExchangeRates,
-  ExchangeTickers
-}
+import com.besselstudio.coingecko.model.coins.{BaseCoin, Coin, CoinHistory, CoinMarket, CoinTicker, MarketChart}
+import com.besselstudio.coingecko.model.events.{EventCountries, EventTypes, Events}
+import com.besselstudio.coingecko.model.exchanges.{BaseExchange, Exchange, ExchangeRates, ExchangeTickers}
 import com.besselstudio.coingecko.model.global.Global
 import com.besselstudio.coingecko.model.response.PingResponse
-import play.api.libs.json.{JsError, JsSuccess, Json, Reads}
 import sttp.model.QueryParams
 
 class CoingeckoClientImpl(
-    api: CoingeckoApi
+  api: CoingeckoApi
 ) extends CoingeckoClient {
 
   override def ping: Either[CoingeckoApiError, PingResponse] =
@@ -237,6 +217,7 @@ class CoingeckoClientImpl(
   ): Either[CoingeckoApiError, CoinHistory] = {
     def buildQuery =
       Map(
+        "date" -> Some(date),
         "localization" -> localization.map(_.toString)
       ).filter(kv => kv._2.nonEmpty)
         .map(kv => kv._1 -> kv._2.getOrElse(""))
@@ -474,8 +455,8 @@ class CoingeckoClientImpl(
   override def getGlobal: Either[CoingeckoApiError, Global] =
     get[Global](endpoint = "global", QueryParams())
 
-  def get[T](endpoint: String, queryParams: QueryParams)(
-      implicit reads: Reads[T]
+  protected def get[T](endpoint: String, queryParams: QueryParams)(
+      using Format[T]
   ): Either[CoingeckoApiError, T] =
     api.get(endpoint, queryParams).body match {
       case Left(json) =>
@@ -487,7 +468,8 @@ class CoingeckoClientImpl(
 
       case Right(json) =>
         Json.parse(json).validate[T] match {
-          case JsSuccess(value, _) => Right(value)
+          case JsSuccess(value, _) =>
+            Right(value)
           case JsError(errors) =>
             Left(
               CoingeckoApiError

src/main/scala/com/besselstudio/coingecko/model/coins/BaseCoin.scala

@@ -1,14 +1,14 @@
 package com.besselstudio.coingecko.model.coins
 
 import com.besselstudio.coingecko.model.response.BaseResponse
-import play.api.libs.json.{Json, Reads}
+import play.api.libs.json.{Format, Json}
 
 case class BaseCoin(
   id: String,
   symbol: String,
   name: String
 )
 
-object BaseCoin extends BaseResponse{
-  implicit val baseCoinReads: Reads[BaseCoin] = Json.reads[BaseCoin]
+object BaseCoin extends BaseResponse {
+  given Format[BaseCoin] = Json.format[BaseCoin]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/Coin.scala

@@ -8,5 +8,5 @@ case class Coin(
 )
 
 object Coin extends BaseResponse {
-  implicit val format: Format[Coin] = Json.format[Coin]
+  given Format[Coin] = Json.format[Coin]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/CoinHistory.scala

@@ -11,12 +11,12 @@ case class CoinHistory(
   name: String,
   localization: Map[String, String],
   image: Image,
-  marketData: MarketData,
-  communityData: CommunityData,
-  developerData: DeveloperData,
-  publicInterestStats: PublicInterestStats
+  marketData: Option[MarketData],
+  communityData: Option[CommunityData],
+  developerData: Option[DeveloperData],
+  publicInterestStats: Option[PublicInterestStats]
 )
 
 object CoinHistory extends BaseResponse {
-  implicit val format: Format[CoinHistory] = Json.format[CoinHistory]
+  given Format[CoinHistory] = Json.format[CoinHistory]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/CoinMarket.scala

@@ -2,7 +2,7 @@ package com.besselstudio.coingecko.model.coins
 
 import com.besselstudio.coingecko.model.coins.data.Roi
 import com.besselstudio.coingecko.model.response.BaseResponse
-import play.api.libs.json.{Json, Reads}
+import play.api.libs.json.{Format, Json}
 
 case class CoinMarket(
   id: String,
@@ -30,5 +30,5 @@ case class CoinMarket(
 )
 
 object CoinMarket extends BaseResponse {
-  implicit val coinMarketReads: Reads[CoinMarket] = Json.reads[CoinMarket]
+  given Format[CoinMarket] = Json.format[CoinMarket]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/CoinTicker.scala

@@ -1,13 +1,14 @@
 package com.besselstudio.coingecko.model.coins
 
 import com.besselstudio.coingecko.model.coins.common.Ticker
-import play.api.libs.json.{Json, Reads}
+import com.besselstudio.coingecko.model.response.BaseResponse
+import play.api.libs.json.{Format, Json}
 
 case class CoinTicker(
   name: String,
   tickers: List[Ticker]
 )
 
-object CoinTicker {
-  implicit val reads: Reads[CoinTicker] = Json.reads[CoinTicker]
+object CoinTicker extends BaseResponse {
+  given Format[CoinTicker] = Json.format[CoinTicker]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/MarketChart.scala

@@ -1,7 +1,7 @@
 package com.besselstudio.coingecko.model.coins
 
 import com.besselstudio.coingecko.model.response.BaseResponse
-import play.api.libs.json.{Json, Reads}
+import play.api.libs.json.{Format, Json}
 
 case class MarketChart(
   prices: List[List[String]],
@@ -10,5 +10,5 @@ case class MarketChart(
 )
 
 object MarketChart extends BaseResponse {
-  implicit val reads: Reads[MarketChart] = Json.reads[MarketChart]
+  given Format[MarketChart] = Json.format[MarketChart]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/common/Image.scala

@@ -4,11 +4,11 @@ import com.besselstudio.coingecko.model.response.BaseResponse
 import play.api.libs.json.{Format, Json}
 
 case class Image(
-  thumb: String,
-  small: String,
-  large: String
+  thumb: Option[String],
+  small: Option[String],
+  large: Option[String]
 )
 
 object Image extends BaseResponse {
-  implicit val format: Format[Image] = Json.format[Image]
+  given Format[Image] = Json.format[Image]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/common/Market.scala

@@ -1,7 +1,7 @@
 package com.besselstudio.coingecko.model.coins.common
 
 import com.besselstudio.coingecko.model.response.BaseResponse
-import play.api.libs.json.{Json, Format}
+import play.api.libs.json.{Format, Json}
 
 case class Market(
   name: String,
@@ -10,5 +10,5 @@ case class Market(
 )
 
 object Market extends BaseResponse {
-  implicit val format: Format[Market] = Json.format[Market]
+  given Format[Market] = Json.format[Market]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/common/Ticker.scala

@@ -23,6 +23,6 @@ case class Ticker(
 )
 
 object Ticker extends BaseResponse {
-  implicit val format: Format[Ticker] = Json.format[Ticker]
+  given Format[Ticker] = Json.format[Ticker]
 }
 

src/main/scala/com/besselstudio/coingecko/model/coins/data/CodeAdditionsDeletions4Weeks.scala

@@ -9,5 +9,5 @@ case class CodeAdditionsDeletions4Weeks(
 )
 
 object CodeAdditionsDeletions4Weeks extends BaseResponse {
-  implicit val format: Format[CodeAdditionsDeletions4Weeks] = Json.format[CodeAdditionsDeletions4Weeks]
+  given Format[CodeAdditionsDeletions4Weeks] = Json.format[CodeAdditionsDeletions4Weeks]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/data/CommunityData.scala

@@ -4,15 +4,15 @@ import com.besselstudio.coingecko.model.response.BaseResponse
 import play.api.libs.json.{Format, Json}
 
 case class CommunityData(
-  facebookLikes: Double,
-  twitterFollowers: Double,
-  redditAveragePosts48h: Double,
-  redditAverageComments48h: Double,
-  redditSubscribers: Double,
-  redditAccountsActive48h: Double,
-  telegramChannelUserCount: Double
+  facebookLikes: Option[Double],
+  twitterFollowers: Option[Double],
+  redditAveragePosts48h: Option[Double],
+  redditAverageComments48h: Option[Double],
+  redditSubscribers: Option[Double],
+  redditAccountsActive48h: Option[Double],
+  telegramChannelUserCount: Option[Double]
 )
 
 object CommunityData extends BaseResponse {
-  implicit val format: Format[CommunityData] = Json.format[CommunityData]
+  given Format[CommunityData] = Json.format[CommunityData]
 }

src/main/scala/com/besselstudio/coingecko/model/coins/data/DeveloperData.scala

@@ -6,16 +6,16 @@ import play.api.libs.json.{Format, Json}
 case class DeveloperData(
   forks: Long,
   stars: Long,
-  subscribers: Long,
-  totalIssues: Long,
-  closedIssues: Long,
-  pullRequestsMerged: Long,
-  pullRequestContributors: Long,
-  codeAdditionsDeletions4Weeks: CodeAdditionsDeletions4Weeks,
-  commitCount4Weeks: Long,
-  last4WeeksCommitActivitySeries: List[Long]
+  subscribers: Option[Long],
+  totalIssues: Option[Long],
+  closedIssues: Option[Long],
+  pullRequestsMerged: Option[Long],
+  pullRequestContributors: Option[Long],
+  codeAdditionsDeletions4Weeks: Option[CodeAdditionsDeletions4Weeks],
+  commitCount4Weeks: Option[Long],
+  last4WeeksCommitActivitySeries: Option[List[Long]]
 )
 
 object DeveloperData extends BaseResponse {
-  implicit val format: Format[DeveloperData] = Json.format[DeveloperData]
+  given Format[DeveloperData] = Json.format[DeveloperData]
 }