gnome-2-26/libempathy/empathy-log-store-empathy.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2003-2007 Imendio AB
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Xavier Claessens <xclaesse@gmail.com>
  22  *          Jonny Lamb <jonny.lamb@collabora.co.uk>
  23  */
  24
  25 #include <config.h>
  26
  27 #include <string.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <glib/gstdio.h>
  31
  32 #include "empathy-log-store.h"
  33 #include "empathy-log-store-empathy.h"
  34 #include "empathy-log-manager.h"
  35 #include "empathy-contact.h"
  36 #include "empathy-time.h"
  37 #include "empathy-utils.h"
  38
  39 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  40 #include "empathy-debug.h"
  41
  42 #define LOG_DIR_CREATE_MODE       (S_IRUSR | S_IWUSR | S_IXUSR)
  43 #define LOG_FILE_CREATE_MODE      (S_IRUSR | S_IWUSR)
  44 #define LOG_DIR_CHATROOMS         "chatrooms"
  45 #define LOG_FILENAME_SUFFIX       ".log"
  46 #define LOG_TIME_FORMAT_FULL      "%Y%m%dT%H:%M:%S"
  47 #define LOG_TIME_FORMAT           "%Y%m%d"
  48 #define LOG_HEADER \
  49     "<?xml version='1.0' encoding='utf-8'?>\n" \
  50     "<?xml-stylesheet type=\"text/xsl\" href=\"empathy-log.xsl\"?>\n" \
  51     "<log>\n"
  52
  53 #define LOG_FOOTER \
  54     "</log>\n"
  55
  56
  57 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyLogStoreEmpathy)
  58 typedef struct
  59 {
  60   gchar *basedir;
  61   gchar *name;
  62 } EmpathyLogStoreEmpathyPriv;
  63
  64 static void log_store_iface_init (gpointer g_iface,gpointer iface_data);
  65
  66 G_DEFINE_TYPE_WITH_CODE (EmpathyLogStoreEmpathy, empathy_log_store_empathy,
  67     G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_LOG_STORE,
  68       log_store_iface_init));
  69
  70 static void
  71 log_store_empathy_finalize (GObject *object)
  72 {
  73   EmpathyLogStoreEmpathy *self = EMPATHY_LOG_STORE_EMPATHY (object);
  74   EmpathyLogStoreEmpathyPriv *priv = GET_PRIV (self);
  75
  76   g_free (priv->basedir);
  77   g_free (priv->name);
  78 }
  79
  80 static void
  81 empathy_log_store_empathy_class_init (EmpathyLogStoreEmpathyClass *klass)
  82 {
  83   GObjectClass *object_class = G_OBJECT_CLASS (klass);
  84
  85   object_class->finalize = log_store_empathy_finalize;
  86
  87   g_type_class_add_private (object_class, sizeof (EmpathyLogStoreEmpathyPriv));
  88 }
  89
  90 static void
  91 empathy_log_store_empathy_init (EmpathyLogStoreEmpathy *self)
  92 {
  93   EmpathyLogStoreEmpathyPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
  94       EMPATHY_TYPE_LOG_STORE_EMPATHY, EmpathyLogStoreEmpathyPriv);
  95
  96   self->priv = priv;
  97
  98   priv->basedir = g_build_path (G_DIR_SEPARATOR_S, g_get_home_dir (),
  99       ".gnome2", PACKAGE_NAME, "logs", NULL);
 100
 101   priv->name = g_strdup ("Empathy");
 102 }
 103
 104 static gchar *
 105 log_store_empathy_get_dir (EmpathyLogStore *self,
 106                            McAccount *account,
 107                            const gchar *chat_id,
 108                            gboolean chatroom)
 109 {
 110   const gchar *account_id;
 111   gchar *basedir;
 112   EmpathyLogStoreEmpathyPriv *priv;
 113
 114   priv = GET_PRIV (self);
 115
 116   account_id = mc_account_get_unique_name (account);
 117
 118   if (chatroom)
 119     basedir = g_build_path (G_DIR_SEPARATOR_S, priv->basedir, account_id,
 120         LOG_DIR_CHATROOMS, chat_id, NULL);
 121   else
 122     basedir = g_build_path (G_DIR_SEPARATOR_S, priv->basedir,
 123         account_id, chat_id, NULL);
 124
 125   return basedir;
 126 }
 127
 128 static gchar *
 129 log_store_empathy_get_timestamp_filename (void)
 130 {
 131   time_t t;
 132   gchar *time_str;
 133   gchar *filename;
 134
 135   t = empathy_time_get_current ();
 136   time_str = empathy_time_to_string_local (t, LOG_TIME_FORMAT);
 137   filename = g_strconcat (time_str, LOG_FILENAME_SUFFIX, NULL);
 138
 139   g_free (time_str);
 140
 141   return filename;
 142 }
 143
 144 static gchar *
 145 log_store_empathy_get_timestamp_from_message (EmpathyMessage *message)
 146 {
 147   time_t t;
 148
 149   t = empathy_message_get_timestamp (message);
 150
 151   /* We keep the timestamps in the messages as UTC. */
 152   return empathy_time_to_string_utc (t, LOG_TIME_FORMAT_FULL);
 153 }
 154
 155 static gchar *
 156 log_store_empathy_get_filename (EmpathyLogStore *self,
 157                                 McAccount *account,
 158                                 const gchar *chat_id,
 159                                 gboolean chatroom)
 160 {
 161   gchar *basedir;
 162   gchar *timestamp;
 163   gchar *filename;
 164
 165   basedir = log_store_empathy_get_dir (self, account, chat_id, chatroom);
 166   timestamp = log_store_empathy_get_timestamp_filename ();
 167   filename = g_build_filename (basedir, timestamp, NULL);
 168
 169   g_free (basedir);
 170   g_free (timestamp);
 171
 172   return filename;
 173 }
 174
 175 static gboolean
 176 log_store_empathy_add_message (EmpathyLogStore *self,
 177                                const gchar *chat_id,
 178                                gboolean chatroom,
 179                                EmpathyMessage *message,
 180                                GError **error)
 181 {
 182   FILE *file;
 183   McAccount *account;
 184   EmpathyContact *sender;
 185   const gchar *body_str;
 186   const gchar *str;
 187   EmpathyAvatar *avatar;
 188   gchar *avatar_token = NULL;
 189   gchar *filename;
 190   gchar *basedir;
 191   gchar *body;
 192   gchar *timestamp;
 193   gchar *contact_name;
 194   gchar *contact_id;
 195   TpChannelTextMessageType msg_type;
 196
 197   g_return_val_if_fail (EMPATHY_IS_LOG_STORE (self), FALSE);
 198   g_return_val_if_fail (chat_id != NULL, FALSE);
 199   g_return_val_if_fail (EMPATHY_IS_MESSAGE (message), FALSE);
 200
 201   sender = empathy_message_get_sender (message);
 202   account = empathy_contact_get_account (sender);
 203   body_str = empathy_message_get_body (message);
 204   msg_type = empathy_message_get_tptype (message);
 205
 206   if (EMP_STR_EMPTY (body_str))
 207     return FALSE;
 208
 209   filename = log_store_empathy_get_filename (self, account, chat_id, chatroom);
 210   basedir = g_path_get_dirname (filename);
 211   if (!g_file_test (basedir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))
 212     {
 213       DEBUG ("Creating directory:'%s'", basedir);
 214       g_mkdir_with_parents (basedir, LOG_DIR_CREATE_MODE);
 215     }
 216   g_free (basedir);
 217
 218   DEBUG ("Adding message: '%s' to file: '%s'", body_str, filename);
 219
 220   if (!g_file_test (filename, G_FILE_TEST_EXISTS))
 221     {
 222       file = g_fopen (filename, "w+");
 223       if (file != NULL)
 224         g_fprintf (file, LOG_HEADER);
 225
 226       g_chmod (filename, LOG_FILE_CREATE_MODE);
 227     }
 228   else
 229     {
 230       file = g_fopen (filename, "r+");
 231       if (file != NULL)
 232         fseek (file, - strlen (LOG_FOOTER), SEEK_END);
 233     }
 234
 235   body = g_markup_escape_text (body_str, -1);
 236   timestamp = log_store_empathy_get_timestamp_from_message (message);
 237
 238   str = empathy_contact_get_name (sender);
 239   contact_name = g_markup_escape_text (str, -1);
 240
 241   str = empathy_contact_get_id (sender);
 242   contact_id = g_markup_escape_text (str, -1);
 243
 244   avatar = empathy_contact_get_avatar (sender);
 245   if (avatar != NULL)
 246     avatar_token = g_markup_escape_text (avatar->token, -1);
 247
 248   g_fprintf (file,
 249        "<message time='%s' cm_id='%d' id='%s' name='%s' token='%s' isuser='%s' type='%s'>"
 250        "%s</message>\n" LOG_FOOTER, timestamp,
 251        empathy_message_get_id (message),
 252        contact_id, contact_name,
 253        avatar_token ? avatar_token : "",
 254        empathy_contact_is_user (sender) ? "true" : "false",
 255        empathy_message_type_to_str (msg_type), body);
 256
 257   fclose (file);
 258   g_free (filename);
 259   g_free (contact_id);
 260   g_free (contact_name);
 261   g_free (timestamp);
 262   g_free (body);
 263   g_free (avatar_token);
 264
 265   return TRUE;
 266 }
 267
 268 static gboolean
 269 log_store_empathy_exists (EmpathyLogStore *self,
 270                           McAccount *account,
 271                           const gchar *chat_id,
 272                           gboolean chatroom)
 273 {
 274   gchar *dir;
 275   gboolean exists;
 276
 277   dir = log_store_empathy_get_dir (self, account, chat_id, chatroom);
 278   exists = g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR);
 279   g_free (dir);
 280
 281   return exists;
 282 }
 283
 284 static GList *
 285 log_store_empathy_get_dates (EmpathyLogStore *self,
 286                              McAccount *account,
 287                              const gchar *chat_id,
 288                              gboolean chatroom)
 289 {
 290   GList *dates = NULL;
 291   gchar *date;
 292   gchar *directory;
 293   GDir *dir;
 294   const gchar *filename;
 295   const gchar *p;
 296
 297   g_return_val_if_fail (EMPATHY_IS_LOG_STORE (self), NULL);
 298   g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 299   g_return_val_if_fail (chat_id != NULL, NULL);
 300
 301   directory = log_store_empathy_get_dir (self, account, chat_id, chatroom);
 302   dir = g_dir_open (directory, 0, NULL);
 303   if (!dir)
 304     {
 305       DEBUG ("Could not open directory:'%s'", directory);
 306       g_free (directory);
 307       return NULL;
 308     }
 309
 310   DEBUG ("Collating a list of dates in:'%s'", directory);
 311
 312   while ((filename = g_dir_read_name (dir)) != NULL)
 313     {
 314       if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX))
 315         continue;
 316
 317       p = strstr (filename, LOG_FILENAME_SUFFIX);
 318       date = g_strndup (filename, p - filename);
 319
 320       if (!date)
 321         continue;
 322
 323       if (!g_regex_match_simple ("\\d{8}", date, 0, 0))
 324         continue;
 325
 326       dates = g_list_insert_sorted (dates, date, (GCompareFunc) strcmp);
 327     }
 328
 329   g_free (directory);
 330   g_dir_close (dir);
 331
 332   DEBUG ("Parsed %d dates", g_list_length (dates));
 333
 334   return dates;
 335 }
 336
 337 static gchar *
 338 log_store_empathy_get_filename_for_date (EmpathyLogStore *self,
 339                                          McAccount *account,
 340                                          const gchar *chat_id,
 341                                          gboolean chatroom,
 342                                          const gchar *date)
 343 {
 344   gchar *basedir;
 345   gchar *timestamp;
 346   gchar *filename;
 347
 348   basedir = log_store_empathy_get_dir (self, account, chat_id, chatroom);
 349   timestamp = g_strconcat (date, LOG_FILENAME_SUFFIX, NULL);
 350   filename = g_build_filename (basedir, timestamp, NULL);
 351
 352   g_free (basedir);
 353   g_free (timestamp);
 354
 355   return filename;
 356 }
 357
 358 static EmpathyLogSearchHit *
 359 log_store_empathy_search_hit_new (EmpathyLogStore *self,
 360                                   const gchar *filename)
 361 {
 362   EmpathyLogSearchHit *hit;
 363   const gchar *account_name;
 364   const gchar *end;
 365   gchar **strv;
 366   guint len;
 367
 368   if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX))
 369     return NULL;
 370
 371   strv = g_strsplit (filename, G_DIR_SEPARATOR_S, -1);
 372   len = g_strv_length (strv);
 373
 374   hit = g_slice_new0 (EmpathyLogSearchHit);
 375
 376   end = strstr (strv[len-1], LOG_FILENAME_SUFFIX);
 377   hit->date = g_strndup (strv[len-1], end - strv[len-1]);
 378   hit->chat_id = g_strdup (strv[len-2]);
 379   hit->is_chatroom = (strcmp (strv[len-3], LOG_DIR_CHATROOMS) == 0);
 380
 381   if (hit->is_chatroom)
 382     account_name = strv[len-4];
 383   else
 384     account_name = strv[len-3];
 385
 386   hit->account = mc_account_lookup (account_name);
 387   hit->filename = g_strdup (filename);
 388
 389   g_strfreev (strv);
 390
 391   return hit;
 392 }
 393
 394 static GList *
 395 log_store_empathy_get_messages_for_file (EmpathyLogStore *self,
 396                                          const gchar *filename)
 397 {
 398   GList *messages = NULL;
 399   xmlParserCtxtPtr ctxt;
 400   xmlDocPtr doc;
 401   xmlNodePtr log_node;
 402   xmlNodePtr node;
 403   EmpathyLogSearchHit *hit;
 404   McAccount *account;
 405
 406   g_return_val_if_fail (EMPATHY_IS_LOG_STORE (self), NULL);
 407   g_return_val_if_fail (filename != NULL, NULL);
 408
 409   DEBUG ("Attempting to parse filename:'%s'...", filename);
 410
 411   if (!g_file_test (filename, G_FILE_TEST_EXISTS))
 412     {
 413       DEBUG ("Filename:'%s' does not exist", filename);
 414       return NULL;
 415     }
 416
 417   /* Get the account from the filename */
 418   hit = log_store_empathy_search_hit_new (self, filename);
 419   account = g_object_ref (hit->account);
 420   empathy_log_manager_search_hit_free (hit);
 421
 422   /* Create parser. */
 423   ctxt = xmlNewParserCtxt ();
 424
 425   /* Parse and validate the file. */
 426   doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
 427   if (!doc)
 428     {
 429       g_warning ("Failed to parse file:'%s'", filename);
 430       xmlFreeParserCtxt (ctxt);
 431       return NULL;
 432     }
 433
 434   /* The root node, presets. */
 435   log_node = xmlDocGetRootElement (doc);
 436   if (!log_node)
 437     {
 438       xmlFreeDoc (doc);
 439       xmlFreeParserCtxt (ctxt);
 440       return NULL;
 441     }
 442
 443   /* Now get the messages. */
 444   for (node = log_node->children; node; node = node->next)
 445     {
 446       EmpathyMessage *message;
 447       EmpathyContact *sender;
 448       gchar *time;
 449       time_t t;
 450       gchar *sender_id;
 451       gchar *sender_name;
 452       gchar *sender_avatar_token;
 453       gchar *body;
 454       gchar *is_user_str;
 455       gboolean is_user = FALSE;
 456       gchar *msg_type_str;
 457       gchar *cm_id_str;
 458       guint cm_id;
 459       TpChannelTextMessageType msg_type = TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL;
 460
 461       if (strcmp (node->name, "message") != 0)
 462         continue;
 463
 464       body = xmlNodeGetContent (node);
 465       time = xmlGetProp (node, "time");
 466       sender_id = xmlGetProp (node, "id");
 467       sender_name = xmlGetProp (node, "name");
 468       sender_avatar_token = xmlGetProp (node, "token");
 469       is_user_str = xmlGetProp (node, "isuser");
 470       msg_type_str = xmlGetProp (node, "type");
 471       cm_id_str = xmlGetProp (node, "cm_id");
 472
 473       if (is_user_str)
 474         is_user = strcmp (is_user_str, "true") == 0;
 475
 476       if (msg_type_str)
 477         msg_type = empathy_message_type_from_str (msg_type_str);
 478
 479       if (cm_id_str)
 480         cm_id = atoi (cm_id_str);
 481
 482       t = empathy_time_parse (time);
 483
 484       sender = empathy_contact_new_full (account, sender_id, sender_name);
 485       empathy_contact_set_is_user (sender, is_user);
 486       if (!EMP_STR_EMPTY (sender_avatar_token))
 487         empathy_contact_load_avatar_cache (sender,
 488             sender_avatar_token);
 489
 490       message = empathy_message_new (body);
 491       empathy_message_set_sender (message, sender);
 492       empathy_message_set_timestamp (message, t);
 493       empathy_message_set_tptype (message, msg_type);
 494
 495       if (cm_id_str)
 496         empathy_message_set_id (message, cm_id);
 497
 498       messages = g_list_append (messages, message);
 499
 500       g_object_unref (sender);
 501       xmlFree (time);
 502       xmlFree (sender_id);
 503       xmlFree (sender_name);
 504       xmlFree (body);
 505       xmlFree (is_user_str);
 506       xmlFree (msg_type_str);
 507       xmlFree (cm_id_str);
 508     }
 509
 510   DEBUG ("Parsed %d messages", g_list_length (messages));
 511
 512   xmlFreeDoc (doc);
 513   xmlFreeParserCtxt (ctxt);
 514
 515   return messages;
 516 }
 517
 518 static GList *
 519 log_store_empathy_get_all_files (EmpathyLogStore *self,
 520                                  const gchar *dir)
 521 {
 522   GDir *gdir;
 523   GList *files = NULL;
 524   const gchar *name;
 525   const gchar *basedir;
 526   EmpathyLogStoreEmpathyPriv *priv;
 527
 528   priv = GET_PRIV (self);
 529
 530   basedir = dir ? dir : priv->basedir;
 531
 532   gdir = g_dir_open (basedir, 0, NULL);
 533   if (!gdir)
 534     return NULL;
 535
 536   while ((name = g_dir_read_name (gdir)) != NULL)
 537     {
 538       gchar *filename;
 539
 540       filename = g_build_filename (basedir, name, NULL);
 541       if (g_str_has_suffix (filename, LOG_FILENAME_SUFFIX))
 542         {
 543           files = g_list_prepend (files, filename);
 544           continue;
 545         }
 546
 547       if (g_file_test (filename, G_FILE_TEST_IS_DIR))
 548         {
 549           /* Recursively get all log files */
 550           files = g_list_concat (files,
 551               log_store_empathy_get_all_files (self, filename));
 552         }
 553
 554       g_free (filename);
 555     }
 556
 557   g_dir_close (gdir);
 558
 559   return files;
 560 }
 561
 562 static GList *
 563 log_store_empathy_search_new (EmpathyLogStore *self,
 564                               const gchar *text)
 565 {
 566   GList *files, *l;
 567   GList *hits = NULL;
 568   gchar *text_casefold;
 569
 570   g_return_val_if_fail (EMPATHY_IS_LOG_STORE (self), NULL);
 571   g_return_val_if_fail (!EMP_STR_EMPTY (text), NULL);
 572
 573   text_casefold = g_utf8_casefold (text, -1);
 574
 575   files = log_store_empathy_get_all_files (self, NULL);
 576   DEBUG ("Found %d log files in total", g_list_length (files));
 577
 578   for (l = files; l; l = g_list_next (l))
 579     {
 580       gchar *filename;
 581       GMappedFile *file;
 582       gsize length;
 583       gchar *contents;
 584       gchar *contents_casefold;
 585
 586       filename = l->data;
 587
 588       file = g_mapped_file_new (filename, FALSE, NULL);
 589       if (!file)
 590         continue;
 591
 592       length = g_mapped_file_get_length (file);
 593       contents = g_mapped_file_get_contents (file);
 594       contents_casefold = g_utf8_casefold (contents, length);
 595
 596       g_mapped_file_free (file);
 597
 598       if (strstr (contents_casefold, text_casefold))
 599         {
 600           EmpathyLogSearchHit *hit;
 601
 602           hit = log_store_empathy_search_hit_new (self, filename);
 603
 604           if (hit)
 605             {
 606               hits = g_list_prepend (hits, hit);
 607               DEBUG ("Found text:'%s' in file:'%s' on date:'%s'",
 608                   text, hit->filename, hit->date);
 609             }
 610         }
 611
 612       g_free (contents_casefold);
 613       g_free (filename);
 614     }
 615
 616   g_list_free (files);
 617   g_free (text_casefold);
 618
 619   return hits;
 620 }
 621
 622 static GList *
 623 log_store_empathy_get_chats_for_dir (EmpathyLogStore *self,
 624                                      const gchar *dir,
 625                                      gboolean is_chatroom)
 626 {
 627   GDir *gdir;
 628   GList *hits = NULL;
 629   const gchar *name;
 630   GError *error = NULL;
 631
 632   gdir = g_dir_open (dir, 0, &error);
 633   if (!gdir)
 634     {
 635       DEBUG ("Failed to open directory: %s, error: %s", dir, error->message);
 636       g_error_free (error);
 637       return NULL;
 638     }
 639
 640   while ((name = g_dir_read_name (gdir)) != NULL)
 641     {
 642       EmpathyLogSearchHit *hit;
 643       gchar *filename;
 644
 645       filename = g_build_filename (dir, name, NULL);
 646       if (!is_chatroom && strcmp (name, LOG_DIR_CHATROOMS) == 0)
 647         {
 648           hits = g_list_concat (hits, log_store_empathy_get_chats_for_dir (
 649                 self, filename, TRUE));
 650           g_free (filename);
 651           continue;
 652         }
 653
 654       hit = g_slice_new0 (EmpathyLogSearchHit);
 655       hit->chat_id = g_strdup (name);
 656       hit->is_chatroom = is_chatroom;
 657
 658       hits = g_list_prepend (hits, hit);
 659     }
 660
 661   g_dir_close (gdir);
 662
 663   return hits;
 664 }
 665
 666
 667 static GList *
 668 log_store_empathy_get_messages_for_date (EmpathyLogStore *self,
 669                                          McAccount *account,
 670                                          const gchar *chat_id,
 671                                          gboolean chatroom,
 672                                          const gchar *date)
 673 {
 674   gchar *filename;
 675   GList *messages;
 676
 677   g_return_val_if_fail (EMPATHY_IS_LOG_STORE (self), NULL);
 678   g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 679   g_return_val_if_fail (chat_id != NULL, NULL);
 680
 681   filename = log_store_empathy_get_filename_for_date (self, account,
 682       chat_id, chatroom, date);
 683   messages = log_store_empathy_get_messages_for_file (self, filename);
 684   g_free (filename);
 685
 686   return messages;
 687 }
 688
 689 static GList *
 690 log_store_empathy_get_chats (EmpathyLogStore *self,
 691                               McAccount *account)
 692 {
 693   gchar *dir;
 694   GList *hits;
 695   EmpathyLogStoreEmpathyPriv *priv;
 696
 697   priv = GET_PRIV (self);
 698
 699   dir = g_build_filename (priv->basedir,
 700       mc_account_get_unique_name (account), NULL);
 701
 702   hits = log_store_empathy_get_chats_for_dir (self, dir, FALSE);
 703
 704   g_free (dir);
 705
 706   return hits;
 707 }
 708
 709 static const gchar *
 710 log_store_empathy_get_name (EmpathyLogStore *self)
 711 {
 712   EmpathyLogStoreEmpathyPriv *priv = GET_PRIV (self);
 713
 714   return priv->name;
 715 }
 716
 717 static GList *
 718 log_store_empathy_get_filtered_messages (EmpathyLogStore *self,
 719                                          McAccount *account,
 720                                          const gchar *chat_id,
 721                                          gboolean chatroom,
 722                                          guint num_messages,
 723                                          EmpathyLogMessageFilter filter,
 724                                          gpointer user_data)
 725 {
 726   GList *dates, *l, *messages = NULL;
 727   guint i = 0;
 728
 729   dates = log_store_empathy_get_dates (self, account, chat_id, chatroom);
 730
 731   for (l = g_list_last (dates); l && i < num_messages; l = g_list_previous (l))
 732     {
 733       GList *new_messages, *n, *next;
 734
 735       /* FIXME: We should really restrict the message parsing to get only
 736        * the newest num_messages. */
 737       new_messages = log_store_empathy_get_messages_for_date (self, account,
 738           chat_id, chatroom, l->data);
 739
 740       n = new_messages;
 741       while (n != NULL)
 742         {
 743           next = g_list_next (n);
 744           if (!filter (n->data, user_data))
 745             {
 746               g_object_unref (n->data);
 747               new_messages = g_list_delete_link (new_messages, n);
 748             }
 749           else
 750             {
 751               i++;
 752             }
 753           n = next;
 754         }
 755       messages = g_list_concat (messages, new_messages);
 756     }
 757
 758   g_list_foreach (dates, (GFunc) g_free, NULL);
 759   g_list_free (dates);
 760
 761   return messages;
 762 }
 763
 764 static void
 765 log_store_iface_init (gpointer g_iface,
 766                       gpointer iface_data)
 767 {
 768   EmpathyLogStoreInterface *iface = (EmpathyLogStoreInterface *) g_iface;
 769
 770   iface->get_name = log_store_empathy_get_name;
 771   iface->exists = log_store_empathy_exists;
 772   iface->add_message = log_store_empathy_add_message;
 773   iface->get_dates = log_store_empathy_get_dates;
 774   iface->get_messages_for_date = log_store_empathy_get_messages_for_date;
 775   iface->get_chats = log_store_empathy_get_chats;
 776   iface->search_new = log_store_empathy_search_new;
 777   iface->ack_message = NULL;
 778   iface->get_filtered_messages = log_store_empathy_get_filtered_messages;
 779 }