src/main/java/net/pterodactylus/xdcc/ui/stdin/ListDownloadsCommand.java

   1 /*
   2  * XdccDownloader - ListDownloadsCommand.java - Copyright © 2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.xdcc.ui.stdin;
  19
  20 import static com.google.common.collect.FluentIterable.from;
  21 import static com.google.common.collect.Lists.newArrayList;
  22 import static java.util.Arrays.asList;
  23 import static net.pterodactylus.xdcc.data.Download.BY_NAME;
  24 import static net.pterodactylus.xdcc.data.Download.BY_RUNNING;
  25 import static net.pterodactylus.xdcc.data.Download.SECONDS_LEFT;
  26 import static net.pterodactylus.xdcc.ui.stdin.CommandReader.f;
  27 import static net.pterodactylus.xdcc.ui.stdin.CommandReader.t;
  28
  29 import java.io.IOException;
  30 import java.io.Writer;
  31 import java.util.Collection;
  32 import java.util.List;
  33
  34 import net.pterodactylus.irc.DccReceiver;
  35 import net.pterodactylus.xdcc.core.Core;
  36 import net.pterodactylus.xdcc.data.Download;
  37
  38 import com.google.common.collect.Ordering;
  39
  40 /**
  41  * Command that will list all current downloads.
  42  *
  43  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  44  */
  45 public class ListDownloadsCommand implements Command {
  46
  47         /** The core to operate on. */
  48         private final Core core;
  49
  50         /**
  51          * Creates a new list downloads command.
  52          *
  53          * @param core
  54          *              The core to operate on
  55          */
  56         public ListDownloadsCommand(Core core) {
  57                 this.core = core;
  58         }
  59
  60         //
  61         // COMMAND METHODS
  62         //
  63
  64         @Override
  65         public String getName() {
  66                 return "list";
  67         }
  68
  69         @Override
  70         public Collection<String> getAliases() {
  71                 return asList("dcc");
  72         }
  73
  74         @Override
  75         public State execute(State state, List<String> parameters, Writer outputWriter) throws IOException {
  76                 int counter = 0;
  77                 List<Download> downloads = newArrayList(from(core.downloads()).toSortedList(Ordering.from(BY_NAME).compound(BY_RUNNING)));
  78                 for (Download download : downloads) {
  79                         DccReceiver dccReceiver = download.dccReceiver();
  80                         if (dccReceiver == null) {
  81                                                 /* download has not even started. */
  82                                 outputWriter.write(String.format("[%d] %s requested from %s (not started yet)\n", counter++, download.pack().name(), download.bot().name()));
  83                                 continue;
  84                         }
  85                         outputWriter.write(String.format("[%d] %s from %s (%s, ", counter++, dccReceiver.filename(), download.bot().name(), f(dccReceiver.size())));
  86                         if (dccReceiver.isRunning()) {
  87                                 outputWriter.write(String.format("%.1f%%, %s/s, %s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate()), t(SECONDS_LEFT.apply(download))));
  88                         } else {
  89                                 if (dccReceiver.progress() >= dccReceiver.size()) {
  90                                         outputWriter.write(String.format("complete, %s/s", f(dccReceiver.overallRate())));
  91                                 } else {
  92                                         outputWriter.write(String.format("aborted at %.1f%%, %s/s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate())));
  93                                 }
  94                         }
  95                         outputWriter.write(")\n");
  96                 }
  97                 outputWriter.write("End of DCCs.\n");
  98                 outputWriter.flush();
  99                 return state.setLastDownloads(downloads);
 100         }
 101
 102 }