beagled/ThunderbirdQueryable/Nntp.cs

   1 //
   2 // Nntp.cs: Adds NNTP indexing support to the Thunderbird backend
   3 //
   4 // Copyright (C) 2006 Pierre Östlund
   5 //
   6
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to deal
  10 // in the Software without restriction, including without limitation the rights
  11 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12 // copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in all
  16 // copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  24 // SOFTWARE.
  25 //
  26
  27 using System;
  28 using System.IO;
  29 using System.Collections;
  30 using System.Reflection;
  31 using System.Text.RegularExpressions;
  32
  33 using Beagle.Util;
  34 using Beagle.Daemon;
  35 using TB = Beagle.Util.Thunderbird;
  36
  37 using GMime;
  38
  39 namespace Beagle.Daemon.ThunderbirdQueryable {
  40
  41         [ThunderbirdIndexableGenerator (TB.AccountType.Nntp, "NNTP Support", false)]
  42         public class NntpIndexableGenerator : ThunderbirdIndexableGenerator {
  43
  44                 public NntpIndexableGenerator (ThunderbirdIndexer indexer, TB.Account account, string file)
  45                         : base (indexer, account, file)
  46                 {
  47                 }
  48
  49                 public override bool HasNextIndexable ()
  50                 {
  51                         do {
  52                                 if (DbEnumerator == null || !DbEnumerator.MoveNext ()) {
  53                                         Done = true;
  54                                         indexer.NotificationEvent -= OnNotification;
  55                                         indexer.ChildComplete ();
  56                                         return false;
  57                                 }
  58                         } while (IsUpToDate ((DbEnumerator.Current as TB.NntpMessage).Uri));
  59
  60                         return true;
  61                 }
  62
  63                 public override Indexable GetNextIndexable ()
  64                 {
  65                         TB.NntpMessage message = DbEnumerator.Current as TB.NntpMessage;
  66
  67                         // If status is different, than something happend when loading this mail and we dont'
  68                         // want to change it's status.
  69                         if (message.GetObject ("FullIndex") == null)
  70                                 message.SetObject ("FullIndex", (object) FullIndex);
  71
  72                         return NntpMessageToIndexable (message);
  73                 }
  74
  75                 public override void LoadDatabase ()
  76                 {
  77                         try {
  78                                 db = new TB.Database (account, DbFile);
  79                                 db.Load ();
  80                         } catch (Exception e) {
  81                                 Logger.Log.Warn (e, "Failed to load {0}:", DbFile);
  82                                 return;
  83                         }
  84
  85                         if (db.Count <= 0) {
  86                                 Logger.Log.Debug ("Empty file {0}; skipping", DbFile);
  87                                 return;
  88                         }
  89
  90                         FullIndex = (Thunderbird.IsFullyIndexable (DbFile) ? true : false);
  91                         Logger.Log.Info ("Indexing {0} NNTP messages", db.Count);
  92                 }
  93
  94                 // FIXME: This need some more info
  95                 private Indexable NntpMessageToIndexable (TB.NntpMessage message)
  96                 {
  97                         Indexable indexable;
  98
  99                         indexable = new Indexable (message.Uri);
 100                         indexable.HitType = "MailMessage";
 101                         indexable.MimeType = "message/rfc822";
 102                         indexable.Timestamp = DateTime.Parse (message.GetString ("date")).ToUniversalTime ();
 103
 104                         indexable.AddProperty (Property.NewKeyword ("fixme:client", "thunderbird"));
 105                         indexable.AddProperty (Property.NewUnsearched ("fixme:fullyIndexed", message.GetBool ("FullIndex")));
 106                         indexable.AddProperty (Property.NewDate ("fixme:indexDateTime", DateTime.UtcNow));
 107
 108                         string subject = GMime.Utils.HeaderDecodePhrase (message.GetString ("subject"));
 109                         indexable.AddProperty (Property.New ("dc:title", subject));
 110
 111                         return indexable;
 112                 }
 113         }
 114 }