feat: Implement OAuth session management with Redis caching for OpenID user data

knockoutwhistweb/app/services/OAuthCacheService.scala

@@ -0,0 +1,89 @@
+package services
+
+import org.redisson.Redisson
+import org.redisson.api.RMapCache
+import org.redisson.config.Config
+import play.api.Logger
+import play.api.libs.json.Json
+
+import java.util.concurrent.TimeUnit
+import javax.inject.*
+
+@Singleton
+class OAuthCacheService @Inject()() {
+  
+  private val logger = Logger(this.getClass)
+  
+  // Initialize Redis connection similar to Gateway
+  private val redis = {
+    val config: Config = Config()
+    val url = "redis://" + sys.env.getOrElse("REDIS_HOST", "localhost") + ":" + sys.env.getOrElse("REDIS_PORT", "6379")
+    logger.info(s"OAuthCacheService connecting to Redis at $url")
+    config.useSingleServer.setAddress(url)
+    Redisson.create(config)
+  }
+  
+  // Cache for OAuth data with 30 minute TTL
+  private val oauthCache: RMapCache[String, String] = redis.getMapCache("oauth_cache")
+  
+  /**
+   * Store OAuth data with random ID and return the ID
+   */
+  def storeOAuthData(userInfo: OpenIDUserInfo, accessToken: String, provider: String): String = {
+    val sessionId = java.util.UUID.randomUUID().toString
+    
+    val oauthData = Json.obj(
+      "userInfo" -> Json.toJson(userInfo),
+      "accessToken" -> accessToken,
+      "provider" -> provider,
+      "timestamp" -> System.currentTimeMillis()
+    ).toString()
+    
+    // Store with 30 minute TTL
+    oauthCache.put(sessionId, oauthData, 30, TimeUnit.MINUTES)
+    logger.info(s"Stored OAuth data for session $sessionId")
+    
+    sessionId
+  }
+  
+  /**
+   * Retrieve OAuth data by session ID
+   */
+  def getOAuthData(sessionId: String): Option[(OpenIDUserInfo, String, String)] = {
+    Option(oauthCache.get(sessionId)) match {
+      case Some(dataJson) =>
+        try {
+          val json = Json.parse(dataJson)
+          val userInfo = (json \ "userInfo").as[OpenIDUserInfo]
+          val accessToken = (json \ "accessToken").as[String]
+          val provider = (json \ "provider").as[String]
+          
+          logger.info(s"Retrieved OAuth data for session $sessionId")
+          Some((userInfo, accessToken, provider))
+        } catch {
+          case e: Exception =>
+            logger.error(s"Failed to parse OAuth data for session $sessionId: ${e.getMessage}")
+            None
+        }
+      case None =>
+        logger.warn(s"No OAuth data found for session $sessionId")
+        None
+    }
+  }
+  
+  /**
+   * Remove OAuth data after use
+   */
+  def removeOAuthData(sessionId: String): Unit = {
+    oauthCache.remove(sessionId)
+    logger.info(s"Removed OAuth data for session $sessionId")
+  }
+  
+  /**
+   * Clean up expired sessions (optional maintenance)
+   */
+  def cleanupExpiredSessions(): Unit = {
+    oauthCache.clear()
+    logger.info("Cleaned up expired OAuth sessions")
+  }
+}

knockoutwhistweb/app/services/OpenIDConnectService.scala

@@ -138,9 +138,9 @@ class OpenIDConnectService@Inject(ws: WSClient, config: Configuration)(implicit
             if (response.status == 200) {
               val json = response.json
               Some(OpenIDUserInfo(
-                id = (json \ provider.idClaimName).as[String].hashCode.toString,
+                id = (json \ provider.idClaimName).as[String],
                 email = (json \ "email").asOpt[String],
-                name = None,
+                name = (json \ "name").asOpt[String].orElse((json \ "login").asOpt[String]),
                 picture = (json \ "picture").asOpt[String].orElse((json \ "avatar_url").asOpt[String]),
                 provider = providerName,
                 providerName = provider.name