Merge pull request #46 from codacy/fix-refresh-token-endpoint

Fix refresh token endpoint

Author: rtfpessoa

src/main/scala/com/codacy/client/bitbucket/v2/Authorization.scala

@@ -1,23 +1,12 @@
 package com.codacy.client.bitbucket.v2
 
-import play.api.libs.json.{Json, Writes}
-
 object Authorization {
 
-  sealed trait RefreshCredentials
-
-  case class RefreshToken(refresh_token: String) extends RefreshCredentials {
-    val grant_type = "refresh_token"
-  }
-
-  object RefreshToken {
-    implicit val writer: Writes[RefreshToken] = Json.writes[RefreshToken]
+  sealed trait RefreshCredentials {
+    val grant_type: String
   }
 
-  object RefreshCredentials {
-    implicit val writer: Writes[RefreshCredentials] =
-      Writes[RefreshCredentials] {
-        case c: RefreshToken => Json.toJson(c)(RefreshToken.writer)
-      }
+  case class RefreshToken(refresh_token: String) extends RefreshCredentials {
+    val grant_type: String = "refresh_token"
   }
 }

src/main/scala/com/codacy/client/bitbucket/v2/service/AuthorizationServices.scala

@@ -2,8 +2,7 @@ package com.codacy.client.bitbucket.v2.service
 
 import com.codacy.client.bitbucket.client.{BitbucketClient, Request, RequestResponse}
 import com.codacy.client.bitbucket.v2.AccessToken
-import com.codacy.client.bitbucket.v2.Authorization.RefreshCredentials
-import play.api.libs.json._
+import com.codacy.client.bitbucket.v2.Authorization.{RefreshCredentials, RefreshToken}
 
 class AuthorizationServices(client: BitbucketClient) {
 
@@ -13,10 +12,12 @@ class AuthorizationServices(client: BitbucketClient) {
    */
   def refreshAccessToken(
       credentials: RefreshCredentials): RequestResponse[AccessToken] = {
-    val url = s"https://bitbucket.org/site/oauth2/access_token"
+    val url = "https://bitbucket.org/site/oauth2/access_token"
 
-    val values = Json.toJson[RefreshCredentials](credentials)
+    val values = credentials match {
+      case c: RefreshToken => Map("grant_type" -> Seq(c.grant_type), "refresh_token" -> Seq(c.refresh_token))
+    }
 
-    client.postJson(Request(url, classOf[AccessToken]), values)
+    client.postForm(Request(url, classOf[AccessToken]), values)
   }
 }