Remove bots when they leave the channel; handle our own leaving of channels.
[xudocci.git] / src / main / java / net / pterodactylus / xdcc / core / Core.java
index 13e63f2..4d1e1ac 100644 (file)
@@ -34,16 +34,22 @@ import net.pterodactylus.irc.Connection;
 import net.pterodactylus.irc.ConnectionBuilder;
 import net.pterodactylus.irc.DccReceiver;
 import net.pterodactylus.irc.event.ChannelJoined;
+import net.pterodactylus.irc.event.ChannelLeft;
 import net.pterodactylus.irc.event.ChannelMessageReceived;
 import net.pterodactylus.irc.event.ConnectionEstablished;
+import net.pterodactylus.irc.event.DccDownloadFailed;
 import net.pterodactylus.irc.event.DccDownloadFinished;
 import net.pterodactylus.irc.event.DccSendReceived;
+import net.pterodactylus.irc.event.PrivateMessageReceived;
 import net.pterodactylus.irc.util.MessageCleaner;
 import net.pterodactylus.irc.util.RandomNickname;
 import net.pterodactylus.xdcc.core.event.BotAdded;
 import net.pterodactylus.xdcc.core.event.CoreStarted;
+import net.pterodactylus.xdcc.core.event.DownloadFailed;
 import net.pterodactylus.xdcc.core.event.DownloadFinished;
 import net.pterodactylus.xdcc.core.event.DownloadStarted;
+import net.pterodactylus.xdcc.core.event.GenericMessage;
+import net.pterodactylus.xdcc.core.event.MessageReceived;
 import net.pterodactylus.xdcc.data.Bot;
 import net.pterodactylus.xdcc.data.Channel;
 import net.pterodactylus.xdcc.data.Download;
@@ -60,6 +66,7 @@ import com.google.common.collect.Sets;
 import com.google.common.collect.Table;
 import com.google.common.eventbus.EventBus;
 import com.google.common.eventbus.Subscribe;
+import com.google.common.io.Closeables;
 import com.google.common.util.concurrent.AbstractIdleService;
 import com.google.inject.Inject;
 
@@ -101,7 +108,7 @@ public class Core extends AbstractIdleService {
        private final Map<String, Download> downloads = Maps.newHashMap();
 
        /** The current DCC receivers. */
-       private final Collection<DccReceiver> dccReceivers = Sets.newHashSet();
+       private final Collection<DccReceiver> dccReceivers = Lists.newArrayList();
 
        /**
         * Creates a new core.
@@ -297,6 +304,46 @@ public class Core extends AbstractIdleService {
        }
 
        /**
+        * Removes bots that leave a channel, or channels when it’s us that’s leaving.
+        *
+        * @param channelLeft
+        *              The channel left event
+        */
+       @Subscribe
+       public void channelLeft(ChannelLeft channelLeft) {
+               Optional<Network> network = getNetwork(channelLeft.connection());
+               if (!network.isPresent()) {
+                       return;
+               }
+
+               Bot bot = networkBots.get(network.get(), channelLeft.client().nick().get());
+               if (bot == null) {
+                       /* maybe it was us? */
+                       if (channelLeft.connection().isSource(channelLeft.client())) {
+                               Optional<Channel> channel = getChannel(network.get(), channelLeft.channel());
+                               if (!channel.isPresent()) {
+                                       /* maybe it was an extra channel? */
+                                       channel = getExtraChannel(network.get(), channelLeft.channel());
+                                       if (!channel.isPresent()) {
+                                               /* okay, whatever. */
+                                               return;
+                                       }
+
+                                       extraChannels.remove(channel);
+                               } else {
+                                       channels.remove(channel.get());
+                               }
+
+                               eventBus.post(new GenericMessage(String.format("Left Channel %s on %s.", channel.get().name(), channel.get().network().name())));
+                       }
+
+                       return;
+               }
+
+               networkBots.remove(network.get(), channelLeft.client().nick().get());
+       }
+
+       /**
         * If a message on a channel is received, it is parsed for pack information
         * with is then added to a bot.
         *
@@ -340,6 +387,17 @@ public class Core extends AbstractIdleService {
        }
 
        /**
+        * Forward all private messages to every console.
+        *
+        * @param privateMessageReceived
+        *              The private message recevied event
+        */
+       @Subscribe
+       public void privateMessageReceived(PrivateMessageReceived privateMessageReceived) {
+               eventBus.post(new MessageReceived(privateMessageReceived.source(), privateMessageReceived.message()));
+       }
+
+       /**
         * Starts a DCC download.
         *
         * @param dccSendReceived
@@ -390,14 +448,40 @@ public class Core extends AbstractIdleService {
                try {
                        download.outputStream().close();
                        File file = new File(download.filename());
-                       file.renameTo(new File(finalDirectory, download.filename()));
+                       file.renameTo(new File(finalDirectory, download.pack().name()));
                        eventBus.post(new DownloadFinished(download));
+                       dccReceivers.remove(dccDownloadFinished.dccReceiver());
+                       downloads.remove(download);
                } catch (IOException ioe1) {
                        /* TODO - handle all the errors. */
                        logger.log(Level.WARNING, String.format("Could not move file %s to directory %s.", download.filename(), finalDirectory), ioe1);
                }
        }
 
+       /**
+        * Closes the output stream and notifies all listeners of the failure.
+        *
+        * @param dccDownloadFailed
+        *              The DCC download failed event
+        */
+       @Subscribe
+       public void dccDownloadFailed(DccDownloadFailed dccDownloadFailed) {
+               Download download = downloads.get(dccDownloadFailed.dccReceiver().filename());
+               if (download == null) {
+                       /* probably shouldn’t happen. */
+                       return;
+               }
+
+               try {
+                       Closeables.close(download.outputStream(), true);
+                       eventBus.post(new DownloadFailed(download));
+                       dccReceivers.remove(dccDownloadFailed.dccReceiver());
+                       downloads.remove(download);
+               } catch (IOException ioe1) {
+                       /* swallow silently. */
+               }
+       }
+
        //
        // PRIVATE METHODS
        //
@@ -432,7 +516,26 @@ public class Core extends AbstractIdleService {
         */
        public Optional<Channel> getChannel(Network network, String channelName) {
                for (Channel channel : channels) {
-                       if (channel.network().equals(network) && (channel.name().equals(channelName))) {
+                       if (channel.network().equals(network) && (channel.name().equalsIgnoreCase(channelName))) {
+                               return Optional.of(channel);
+                       }
+               }
+               return Optional.absent();
+       }
+
+       /**
+        * Returns the extra channel for the given network and name.
+        *
+        * @param network
+        *              The network the channel is located on
+        * @param channelName
+        *              The name of the channel
+        * @return The extra channel, or {@link Optional#absent()} if no extra channel
+        *         matching the given network and name was found
+        */
+       public Optional<Channel> getExtraChannel(Network network, String channelName) {
+               for (Channel channel : extraChannels) {
+                       if (channel.network().equals(network) && (channel.name().equalsIgnoreCase(channelName))) {
                                return Optional.of(channel);
                        }
                }