From 74d903716950cdd543f1cc3b271c728ec5adc466 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 2 Mar 2017 15:05:21 +0300
Subject: juick-xmpp: command last messages moved from perl

---
 .../java/com/juick/components/s2s/JuickBot.java    | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'juick-xmpp/src/main/java/com/juick')

diff --git a/juick-xmpp/src/main/java/com/juick/components/s2s/JuickBot.java b/juick-xmpp/src/main/java/com/juick/components/s2s/JuickBot.java
index 986eaed0..71711dce 100644
--- a/juick-xmpp/src/main/java/com/juick/components/s2s/JuickBot.java
+++ b/juick-xmpp/src/main/java/com/juick/components/s2s/JuickBot.java
@@ -3,6 +3,7 @@ package com.juick.components.s2s;
 import com.juick.User;
 import com.juick.components.XMPPServer;
 import org.apache.commons.lang3.StringUtils;
+import org.ocpsoft.prettytime.PrettyTime;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import rocks.xmpp.addr.Jid;
@@ -15,9 +16,12 @@ import rocks.xmpp.core.stanza.model.client.ClientPresence;
 import rocks.xmpp.core.stanza.model.errors.Condition;
 
 import javax.inject.Inject;
+import java.util.Collections;
 import java.util.List;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
 /**
  *
@@ -28,6 +32,7 @@ public class JuickBot implements StanzaListener, AutoCloseable {
     private static final Logger logger = LoggerFactory.getLogger(JuickBot.class);
 
     XMPPServer xmpp;
+    PrettyTime pt;
 
     @Inject
     public JuickBot(XMPPServer xmpp) {
@@ -36,6 +41,7 @@ public class JuickBot implements StanzaListener, AutoCloseable {
         if (!xmpp.messagesService.isReadonly()) {
             broadcastPresence(null);
         }
+        pt = new PrettyTime(new Locale("ru"));
     }
 
     private static final String HELPTEXT =
@@ -289,6 +295,8 @@ public class JuickBot implements StanzaListener, AutoCloseable {
         } else if (commandlen == 2 && command.equalsIgnoreCase("BL")) {
             commandBLShow(msg, user_from);
             return true;
+        } else if (commandlen == 2 && command.equalsIgnoreCase("#+")) {
+            return commandLast(msg.getFrom());
         } else if (xmpp.messagesService.isReadonly()) {
             return commandMaintenance(msg.getFrom());
         }
@@ -429,6 +437,17 @@ public class JuickBot implements StanzaListener, AutoCloseable {
         xmpp.sendOut(ClientMessage.from(reply));
     }
 
+    boolean commandLast(Jid jidFrom) {
+        User user = xmpp.userService.getUserByJID(jidFrom.asBareJid().toEscapedString());
+        Message reply = new Message();
+        reply.setFrom(xmpp.getJid());
+        reply.setTo(jidFrom);
+        reply.setType(Message.Type.CHAT);
+        reply.setBody("Last messages: " + printMessages(xmpp.messagesService.getAll(user.getUid(), 0), true));
+        xmpp.sendOut(ClientMessage.from(reply));
+        return true;
+    }
+
     private boolean commandMaintenance(Jid jidFrom) {
         Message reply = new Message();
         reply.setFrom(xmpp.getJid());
@@ -454,6 +473,21 @@ public class JuickBot implements StanzaListener, AutoCloseable {
         }
     }
 
+    String printMessages(List<Integer> mids, boolean crop) {
+        int cropLength = 384;
+        return xmpp.messagesService.getMessages(mids).stream()
+                .sorted(Collections.reverseOrder())
+                .map(m -> {
+            String timeAgo = pt.format(m.getDate());
+            String repliesCount = m.getReplies() == 1 ? "; 1 reply" : m.getReplies() == 0 ? ""
+                    : String.format("; %d replies", m.getReplies());
+            String txt = crop ? m.getText().length() >= cropLength ?
+                    StringUtils.substring(m.getText(), 0, cropLength) + " [...]" : m.getText() : m.getText();
+            return String.format("@%s:%s\n%s\n#%d (%s%s) http://juick.com/%d",
+                    m.getUser().getName(), m.getTagsString(), txt, m.getMid(), timeAgo, repliesCount, m.getMid());
+        }).collect(Collectors.joining("\n\n"));
+    }
+
     void broadcastPresence(Presence.Type type) {
         Presence presence = new Presence();
         presence.setFrom(xmpp.getJid());
-- 
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