From 59e0c016bcb3e5f5260bf35bed63994fc9df3016 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 30 Jan 2018 13:30:20 +0300
Subject: xmpp: S @username

---
 .../src/main/java/com/juick/components/JuickBot.java   | 18 ++++++++++++++++++
 .../java/com/juick/xmpp/server/XMPPServerTests.java    |  4 ++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/juick-xmpp/src/main/java/com/juick/components/JuickBot.java b/juick-xmpp/src/main/java/com/juick/components/JuickBot.java
index 7a25f5d5..2884fdd4 100644
--- a/juick-xmpp/src/main/java/com/juick/components/JuickBot.java
+++ b/juick-xmpp/src/main/java/com/juick/components/JuickBot.java
@@ -528,6 +528,24 @@ public class JuickBot implements StanzaListener, AutoCloseable {
         }
         return "No favorite messages, try to \"like\" something ;)";
     }
+    // TODO: target notification
+    @UserCommand(pattern = "^(s|u)\\s+\\@(\\S+)$", help = "S @username - subscribe to user" +
+            "\nU @username - unsubscribe from user", patternFlags = Pattern.CASE_INSENSITIVE)
+    public String commandSubscribeUser(User user, Jid from, String... args) {
+        boolean subscribe = args[0].equalsIgnoreCase("s");
+        User toUser = userService.getUserByName(args[1]);
+        if (subscribe) {
+            if (subscriptionService.subscribeUser(user, toUser)) {
+                return "Subscribed to @" + toUser.getName();
+            }
+        } else {
+            if (subscriptionService.unSubscribeUser(user, toUser)) {
+                return "Unsubscribed from @" + toUser.getName();
+            }
+            return "You was not subscribed to @" + toUser.getName();
+        }
+        return "Error";
+    }
     @UserCommand(pattern = "^(s|u)\\s+\\*(\\S+)$", help = "S *tag - subscribe to tag" +
             "\nU *tag - unsubscribe from tag", patternFlags = Pattern.CASE_INSENSITIVE)
     public String commandSubscribeTag(User user, Jid from, String... args) {
diff --git a/juick-xmpp/src/test/java/com/juick/xmpp/server/XMPPServerTests.java b/juick-xmpp/src/test/java/com/juick/xmpp/server/XMPPServerTests.java
index 537445ea..784c29b2 100644
--- a/juick-xmpp/src/test/java/com/juick/xmpp/server/XMPPServerTests.java
+++ b/juick-xmpp/src/test/java/com/juick/xmpp/server/XMPPServerTests.java
@@ -95,8 +95,8 @@ public class XMPPServerTests extends AbstractJUnit4SpringContextTests {
     @Test
     public void botCommandsTests() throws IllegalAccessException, NoSuchMethodException, InvocationTargetException {
         assertThat(bot.processCommand(new User(), Jid.of("test@localhost"), "PING").get(), is("PONG"));
-        // tag help have two lines, others have 1
-        assertThat(bot.processCommand(new User(), Jid.of("test@localhost"), "help").get().split("\n").length, is(18));
+        // tag and user help have two lines, others have 1
+        assertThat(bot.processCommand(new User(), Jid.of("test@localhost"), "help").get().split("\n").length, is(20));
     }
 
     @Test
-- 
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