#1046 Add onFirstLogin to commands.yml

- Allow to configure commands run on player's first login (login of player with a previously null lastlogin date)

src/main/java/fr/xephi/authme/process/SyncProcessManager.java

@@ -47,8 +47,8 @@ public class SyncProcessManager {
         runTask(() -> processSyncPlayerLogout.processSyncLogout(player));
     }
 
-    public void processSyncPlayerLogin(Player player) {
-        runTask(() -> processSyncPlayerLogin.processPlayerLogin(player));
+    public void processSyncPlayerLogin(Player player, boolean isFirstLogin) {
+        runTask(() -> processSyncPlayerLogin.processPlayerLogin(player, isFirstLogin));
     }
 
     public void processSyncPlayerQuit(Player player, boolean wasLoggedIn) {

src/main/java/fr/xephi/authme/process/login/AsynchronousLogin.java

@@ -220,6 +220,8 @@ public class AsynchronousLogin implements AsynchronousProcess {
      */
     private void performLogin(Player player, PlayerAuth auth) {
         if (player.isOnline()) {
+            final boolean isFirstLogin = (auth.getLastLogin() == null);
+
             // Update auth to reflect this new login
             final String ip = PlayerUtils.getPlayerIp(player);
             auth.setRealName(player.getName());
@@ -258,7 +260,7 @@ public class AsynchronousLogin implements AsynchronousProcess {
             // task, we schedule it in the end
             // so that we can be sure, and have not to care if it might be
             // processed in other order.
-            syncProcessManager.processSyncPlayerLogin(player);
+            syncProcessManager.processSyncPlayerLogin(player, isFirstLogin);
         } else {
             ConsoleLogger.warning("Player '" + player.getName() + "' wasn't online during login process, aborted...");
         }

src/main/java/fr/xephi/authme/process/login/ProcessSyncPlayerLogin.java

@@ -62,7 +62,13 @@ public class ProcessSyncPlayerLogin implements SynchronousProcess {
         }
     }
 
-    public void processPlayerLogin(Player player) {
+    /**
+     * Performs operations in sync mode for a player that has just logged in.
+     *
+     * @param player the player that was logged in
+     * @param isFirstLogin true if this is the first time the player logged in
+     */
+    public void processPlayerLogin(Player player, boolean isFirstLogin) {
         final String name = player.getName().toLowerCase();
         final LimboPlayer limbo = limboService.getLimboPlayer(name);
 
@@ -93,6 +99,9 @@ public class ProcessSyncPlayerLogin implements SynchronousProcess {
         welcomeMessageConfiguration.sendWelcomeMessage(player);
 
         // Login is now finished; we can force all commands
+        if (isFirstLogin) {
+            commandManager.runCommandsOnFirstLogin(player);
+        }
         commandManager.runCommandsOnLogin(player);
 
         // Send Bungee stuff. The service will check if it is enabled or not.