libempathy/empathy-log-manager.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007 Collabora Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Authors: Xavier Claessens <xclaesse@gmail.com>
  21  */
  22
  23 #include <config.h>
  24
  25 #include <string.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <glib/gstdio.h>
  29
  30 #include "empathy-log-manager.h"
  31 #include "empathy-contact.h"
  32 #include "empathy-time.h"
  33 #include "empathy-debug.h"
  34 #include "empathy-utils.h"
  35
  36 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
  37                        EMPATHY_TYPE_LOG_MANAGER, EmpathyLogManagerPriv))
  38
  39 #define DEBUG_DOMAIN "LogManager"
  40
  41 #define LOG_DIR_CREATE_MODE       (S_IRUSR | S_IWUSR | S_IXUSR)
  42 #define LOG_FILE_CREATE_MODE      (S_IRUSR | S_IWUSR)
  43 #define LOG_DIR_CHATROOMS         "chatrooms"
  44 #define LOG_FILENAME_SUFFIX       ".log"
  45 #define LOG_TIME_FORMAT_FULL      "%Y%m%dT%H:%M:%S"
  46 #define LOG_TIME_FORMAT           "%Y%m%d"
  47 #define LOG_HEADER \
  48     "<?xml version='1.0' encoding='utf-8'?>\n" \
  49     "<?xml-stylesheet type=\"text/xsl\" href=\"empathy-log.xsl\"?>\n" \
  50     "<log>\n"
  51
  52 #define LOG_FOOTER \
  53     "</log>\n"
  54
  55 struct _EmpathyLogManagerPriv {
  56         gchar *basedir;
  57 };
  58
  59 static void                 empathy_log_manager_class_init         (EmpathyLogManagerClass *klass);
  60 static void                 empathy_log_manager_init               (EmpathyLogManager      *manager);
  61 static void                 log_manager_finalize                   (GObject                *object);
  62 static const gchar *        log_manager_get_basedir                (EmpathyLogManager      *manager);
  63 static GList *              log_manager_get_all_files              (EmpathyLogManager      *manager,
  64                                                                     const gchar            *dir);
  65 static GList *              log_manager_get_chats                  (EmpathyLogManager      *manager,
  66                                                                     const gchar            *dir,
  67                                                                     gboolean                is_chatroom);
  68 static gchar *              log_manager_get_dir                    (EmpathyLogManager      *manager,
  69                                                                     McAccount              *account,
  70                                                                     const gchar            *chat_id,
  71                                                                     gboolean                chatroom);
  72 static gchar *              log_manager_get_filename               (EmpathyLogManager      *manager,
  73                                                                     McAccount              *account,
  74                                                                     const gchar            *chat_id,
  75                                                                     gboolean                chatroom);
  76 static gchar *              log_manager_get_filename_for_date      (EmpathyLogManager      *manager,
  77                                                                     McAccount              *account,
  78                                                                     const gchar            *chat_id,
  79                                                                     gboolean                chatroom,
  80                                                                     const gchar            *date);
  81 static gchar *              log_manager_get_timestamp_filename     (void);
  82 static gchar *              log_manager_get_timestamp_from_message (EmpathyMessage          *message);
  83 static EmpathyLogSearchHit *log_manager_search_hit_new             (EmpathyLogManager      *manager,
  84                                                                     const gchar            *filename);
  85 static void                 log_manager_search_hit_free            (EmpathyLogSearchHit    *hit);
  86
  87 G_DEFINE_TYPE (EmpathyLogManager, empathy_log_manager, G_TYPE_OBJECT);
  88
  89 static void
  90 empathy_log_manager_class_init (EmpathyLogManagerClass *klass)
  91 {
  92         GObjectClass *object_class = G_OBJECT_CLASS (klass);
  93
  94         object_class->finalize = log_manager_finalize;
  95
  96         g_type_class_add_private (object_class, sizeof (EmpathyLogManagerPriv));
  97 }
  98
  99 static void
 100 empathy_log_manager_init (EmpathyLogManager *manager)
 101 {
 102 }
 103
 104 static void
 105 log_manager_finalize (GObject *object)
 106 {
 107         EmpathyLogManagerPriv *priv;
 108
 109         priv = GET_PRIV (object);
 110
 111         g_free (priv->basedir);
 112 }
 113
 114 EmpathyLogManager *
 115 empathy_log_manager_new (void)
 116 {
 117         static EmpathyLogManager *manager = NULL;
 118
 119         if (!manager) {
 120                 manager = g_object_new (EMPATHY_TYPE_LOG_MANAGER, NULL);
 121                 g_object_add_weak_pointer (G_OBJECT (manager), (gpointer) &manager);
 122         } else {
 123                 g_object_ref (manager);
 124         }
 125
 126         return manager;
 127 }
 128
 129 void
 130 empathy_log_manager_add_message (EmpathyLogManager *manager,
 131                                  const gchar       *chat_id,
 132                                  gboolean           chatroom,
 133                                  EmpathyMessage     *message)
 134 {
 135         FILE          *file;
 136         McAccount     *account;
 137         EmpathyContact *sender;
 138         const gchar   *body_str;
 139         const gchar   *str;
 140         gchar         *filename;
 141         gchar         *basedir;
 142         gchar         *body;
 143         gchar         *timestamp;
 144         gchar         *contact_name;
 145         gchar         *contact_id;
 146         EmpathyMessageType msg_type;
 147
 148         g_return_if_fail (EMPATHY_IS_LOG_MANAGER (manager));
 149         g_return_if_fail (chat_id != NULL);
 150         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
 151
 152         sender = empathy_message_get_sender (message);
 153         account = empathy_contact_get_account (sender);
 154         body_str = empathy_message_get_body (message);
 155         msg_type = empathy_message_get_type (message);
 156
 157         if (G_STR_EMPTY (body_str)) {
 158                 return;
 159         }
 160
 161         filename = log_manager_get_filename (manager, account, chat_id, chatroom);
 162         basedir = g_path_get_dirname (filename);
 163         if (!g_file_test (basedir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
 164                 empathy_debug (DEBUG_DOMAIN, "Creating directory:'%s'", basedir);
 165
 166                 g_mkdir_with_parents (basedir, LOG_DIR_CREATE_MODE);
 167         }
 168         g_free (basedir);
 169
 170         empathy_debug (DEBUG_DOMAIN, "Adding message: '%s' to file: '%s'",
 171                       body_str, filename);
 172
 173         if (!g_file_test (filename, G_FILE_TEST_EXISTS)) {
 174                 file = g_fopen (filename, "w+");
 175                 if (file) {
 176                         g_fprintf (file, LOG_HEADER);
 177                 }
 178                 g_chmod (filename, LOG_FILE_CREATE_MODE);
 179         } else {
 180                 file = g_fopen (filename, "r+");
 181                 if (file) {
 182                         fseek (file, - strlen (LOG_FOOTER), SEEK_END);
 183                 }
 184         }
 185
 186         body = g_markup_escape_text (body_str, -1);
 187         timestamp = log_manager_get_timestamp_from_message (message);
 188
 189         str = empathy_contact_get_name (sender);
 190         contact_name = g_markup_escape_text (str, -1);
 191
 192         str = empathy_contact_get_id (sender);
 193         contact_id = g_markup_escape_text (str, -1);
 194
 195         g_fprintf (file,
 196                    "<message time='%s' id='%s' name='%s' isuser='%s' type='%s'>%s</message>\n" LOG_FOOTER,
 197                    timestamp,
 198                    contact_id,
 199                    contact_name,
 200                    empathy_contact_is_user (sender) ? "true" : "false",
 201                    empathy_message_type_to_str (msg_type),
 202                    body);
 203
 204         fclose (file);
 205         g_free (filename);
 206         g_free (contact_id);
 207         g_free (contact_name);
 208         g_free (timestamp);
 209         g_free (body);
 210 }
 211
 212 gboolean
 213 empathy_log_manager_exists (EmpathyLogManager *manager,
 214                             McAccount         *account,
 215                             const gchar       *chat_id,
 216                             gboolean           chatroom)
 217 {
 218         gchar    *dir;
 219         gboolean  exists;
 220
 221         dir = log_manager_get_dir (manager, account, chat_id, chatroom);
 222         exists = g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR);
 223         g_free (dir);
 224
 225         return exists;
 226 }
 227
 228 GList *
 229 empathy_log_manager_get_dates (EmpathyLogManager *manager,
 230                                McAccount         *account,
 231                                const gchar       *chat_id,
 232                                gboolean           chatroom)
 233 {
 234         GList       *dates = NULL;
 235         gchar       *date;
 236         gchar       *directory;
 237         GDir        *dir;
 238         const gchar *filename;
 239         const gchar *p;
 240
 241         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 242         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 243         g_return_val_if_fail (chat_id != NULL, NULL);
 244
 245         directory = log_manager_get_dir (manager, account, chat_id, chatroom);
 246         dir = g_dir_open (directory, 0, NULL);
 247         if (!dir) {
 248                 empathy_debug (DEBUG_DOMAIN, "Could not open directory:'%s'", directory);
 249                 g_free (directory);
 250                 return NULL;
 251         }
 252
 253         empathy_debug (DEBUG_DOMAIN, "Collating a list of dates in:'%s'", directory);
 254
 255         while ((filename = g_dir_read_name (dir)) != NULL) {
 256                 if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
 257                         continue;
 258                 }
 259
 260                 p = strstr (filename, LOG_FILENAME_SUFFIX);
 261                 date = g_strndup (filename, p - filename);
 262                 if (!date) {
 263                         continue;
 264                 }
 265
 266                 dates = g_list_insert_sorted (dates, date, (GCompareFunc) strcmp);
 267         }
 268
 269         g_free (directory);
 270         g_dir_close (dir);
 271
 272         empathy_debug (DEBUG_DOMAIN, "Parsed %d dates", g_list_length (dates));
 273
 274         return dates;
 275 }
 276
 277 GList *
 278 empathy_log_manager_get_messages_for_file (EmpathyLogManager *manager,
 279                                            const gchar       *filename)
 280 {
 281         GList               *messages = NULL;
 282         xmlParserCtxtPtr     ctxt;
 283         xmlDocPtr            doc;
 284         xmlNodePtr           log_node;
 285         xmlNodePtr           node;
 286         EmpathyLogSearchHit *hit;
 287         McAccount           *account;
 288
 289         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 290         g_return_val_if_fail (filename != NULL, NULL);
 291
 292         empathy_debug (DEBUG_DOMAIN, "Attempting to parse filename:'%s'...", filename);
 293
 294         if (!g_file_test (filename, G_FILE_TEST_EXISTS)) {
 295                 empathy_debug (DEBUG_DOMAIN, "Filename:'%s' does not exist", filename);
 296                 return NULL;
 297         }
 298
 299         /* Get the account from the filename */
 300         hit = log_manager_search_hit_new (manager, filename);
 301         account = g_object_ref (hit->account);
 302         log_manager_search_hit_free (hit);
 303
 304         /* Create parser. */
 305         ctxt = xmlNewParserCtxt ();
 306
 307         /* Parse and validate the file. */
 308         doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
 309         if (!doc) {
 310                 g_warning ("Failed to parse file:'%s'", filename);
 311                 xmlFreeParserCtxt (ctxt);
 312                 return NULL;
 313         }
 314
 315         /* The root node, presets. */
 316         log_node = xmlDocGetRootElement (doc);
 317         if (!log_node) {
 318                 xmlFreeDoc (doc);
 319                 xmlFreeParserCtxt (ctxt);
 320                 return NULL;
 321         }
 322
 323         /* Now get the messages. */
 324         for (node = log_node->children; node; node = node->next) {
 325                 EmpathyMessage     *message;
 326                 EmpathyContact     *sender;
 327                 gchar              *time;
 328                 EmpathyTime         t;
 329                 gchar              *sender_id;
 330                 gchar              *sender_name;
 331                 gchar              *body;
 332                 gchar              *is_user_str;
 333                 gboolean            is_user = FALSE;
 334                 gchar              *msg_type_str;
 335                 EmpathyMessageType  msg_type = EMPATHY_MESSAGE_TYPE_NORMAL;
 336
 337                 if (strcmp (node->name, "message") != 0) {
 338                         continue;
 339                 }
 340
 341                 body = xmlNodeGetContent (node);
 342                 time = xmlGetProp (node, "time");
 343                 sender_id = xmlGetProp (node, "id");
 344                 sender_name = xmlGetProp (node, "name");
 345                 is_user_str = xmlGetProp (node, "isuser");
 346                 msg_type_str = xmlGetProp (node, "type");
 347
 348                 if (is_user_str) {
 349                         is_user = strcmp (is_user_str, "true") == 0;
 350                 }
 351                 if (msg_type_str) {
 352                         msg_type = empathy_message_type_from_str (msg_type_str);
 353                 }
 354
 355                 t = empathy_time_parse (time);
 356
 357                 sender = empathy_contact_new_full (account, sender_id, sender_name);
 358                 empathy_contact_set_is_user (sender, is_user);
 359                 message = empathy_message_new (body);
 360                 empathy_message_set_sender (message, sender);
 361                 empathy_message_set_timestamp (message, t);
 362                 empathy_message_set_type (message, msg_type);
 363
 364                 messages = g_list_append (messages, message);
 365
 366                 g_object_unref (sender);
 367                 xmlFree (time);
 368                 xmlFree (sender_id);
 369                 xmlFree (sender_name);
 370                 xmlFree (body);
 371                 xmlFree (is_user_str);
 372                 xmlFree (msg_type_str);
 373         }
 374
 375         empathy_debug (DEBUG_DOMAIN, "Parsed %d messages", g_list_length (messages));
 376
 377         xmlFreeDoc (doc);
 378         xmlFreeParserCtxt (ctxt);
 379
 380         return messages;
 381 }
 382
 383 GList *
 384 empathy_log_manager_get_messages_for_date (EmpathyLogManager *manager,
 385                                            McAccount         *account,
 386                                            const gchar       *chat_id,
 387                                            gboolean           chatroom,
 388                                            const gchar       *date)
 389 {
 390         gchar *filename;
 391         GList *messages;
 392
 393         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 394         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 395         g_return_val_if_fail (chat_id != NULL, NULL);
 396
 397         filename = log_manager_get_filename_for_date (manager, account, chat_id, chatroom, date);
 398         messages = empathy_log_manager_get_messages_for_file (manager, filename);
 399         g_free (filename);
 400
 401         return messages;
 402 }
 403
 404 GList *
 405 empathy_log_manager_get_last_messages (EmpathyLogManager *manager,
 406                                        McAccount         *account,
 407                                        const gchar       *chat_id,
 408                                        gboolean           chatroom)
 409 {
 410         GList *messages = NULL;
 411         GList *dates;
 412         GList *l;
 413
 414         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 415         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 416         g_return_val_if_fail (chat_id != NULL, NULL);
 417
 418         dates = empathy_log_manager_get_dates (manager, account, chat_id, chatroom);
 419
 420         l = g_list_last (dates);
 421         if (l) {
 422                 messages = empathy_log_manager_get_messages_for_date (manager,
 423                                                                       account,
 424                                                                       chat_id,
 425                                                                       chatroom,
 426                                                                       l->data);
 427         }
 428
 429         g_list_foreach (dates, (GFunc) g_free, NULL);
 430         g_list_free (dates);
 431
 432         return messages;
 433 }
 434
 435 GList *
 436 empathy_log_manager_get_chats (EmpathyLogManager *manager,
 437                                McAccount         *account)
 438 {
 439         const gchar *basedir;
 440         gchar       *dir;
 441
 442         basedir = log_manager_get_basedir (manager);
 443         dir = g_build_filename (basedir,
 444                                 mc_account_get_unique_name (account),
 445                                 NULL);
 446
 447         return log_manager_get_chats (manager, dir, FALSE);
 448 }
 449
 450 GList *
 451 empathy_log_manager_search_new (EmpathyLogManager *manager,
 452                                 const gchar       *text)
 453 {
 454         GList *files, *l;
 455         GList *hits = NULL;
 456         gchar *text_casefold;
 457
 458         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 459         g_return_val_if_fail (!G_STR_EMPTY (text), NULL);
 460
 461         text_casefold = g_utf8_casefold (text, -1);
 462
 463         files = log_manager_get_all_files (manager, NULL);
 464         empathy_debug (DEBUG_DOMAIN, "Found %d log files in total",
 465                       g_list_length (files));
 466
 467         for (l = files; l; l = l->next) {
 468                 gchar       *filename;
 469                 GMappedFile *file;
 470                 gsize        length;
 471                 gchar       *contents;
 472                 gchar       *contents_casefold;
 473
 474                 filename = l->data;
 475
 476                 file = g_mapped_file_new (filename, FALSE, NULL);
 477                 if (!file) {
 478                         continue;
 479                 }
 480
 481                 length = g_mapped_file_get_length (file);
 482                 contents = g_mapped_file_get_contents (file);
 483                 contents_casefold = g_utf8_casefold (contents, length);
 484
 485                 g_mapped_file_free (file);
 486
 487                 if (strstr (contents_casefold, text_casefold)) {
 488                         EmpathyLogSearchHit *hit;
 489
 490                         hit = log_manager_search_hit_new (manager, filename);
 491
 492                         if (hit) {
 493                                 hits = g_list_prepend (hits, hit);
 494                                 empathy_debug (DEBUG_DOMAIN,
 495                                               "Found text:'%s' in file:'%s' on date:'%s'...",
 496                                               text, hit->filename, hit->date);
 497                         }
 498                 }
 499
 500                 g_free (contents_casefold);
 501                 g_free (filename);
 502         }
 503         g_list_free (files);
 504
 505         g_free (text_casefold);
 506
 507         return hits;
 508 }
 509
 510 void
 511 empathy_log_manager_search_free (GList *hits)
 512 {
 513         GList *l;
 514
 515         for (l = hits; l; l = l->next) {
 516                 log_manager_search_hit_free (l->data);
 517         }
 518
 519         g_list_free (hits);
 520 }
 521
 522 /* Format is just date, 20061201. */
 523 gchar *
 524 empathy_log_manager_get_date_readable (const gchar *date)
 525 {
 526         EmpathyTime t;
 527
 528         t = empathy_time_parse (date);
 529
 530         return empathy_time_to_string_local (t, "%a %d %b %Y");
 531 }
 532
 533 static const gchar *
 534 log_manager_get_basedir (EmpathyLogManager *manager)
 535 {
 536         EmpathyLogManagerPriv *priv;
 537
 538         priv = GET_PRIV (manager);
 539
 540         if (priv->basedir) {
 541                 return priv->basedir;
 542         }
 543
 544         priv->basedir = g_build_path (G_DIR_SEPARATOR_S,
 545                                       g_get_home_dir (),
 546                                       ".gnome2",
 547                                       PACKAGE_NAME,
 548                                       "logs",
 549                                       NULL);
 550
 551         return priv->basedir;
 552 }
 553
 554 static GList *
 555 log_manager_get_all_files (EmpathyLogManager *manager,
 556                            const gchar       *dir)
 557 {
 558         GDir        *gdir;
 559         GList       *files = NULL;
 560         const gchar *name;
 561
 562         if (!dir) {
 563                 dir = log_manager_get_basedir (manager);
 564         }
 565
 566         gdir = g_dir_open (dir, 0, NULL);
 567         if (!gdir) {
 568                 return NULL;
 569         }
 570
 571         while ((name = g_dir_read_name (gdir)) != NULL) {
 572                 gchar *filename;
 573
 574                 filename = g_build_filename (dir, name, NULL);
 575                 if (g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
 576                         files = g_list_prepend (files, filename);
 577                         continue;
 578                 }
 579
 580                 if (g_file_test (filename, G_FILE_TEST_IS_DIR)) {
 581                         /* Recursively get all log files */
 582                         files = g_list_concat (files, log_manager_get_all_files (manager, filename));
 583                 }
 584                 g_free (filename);
 585         }
 586
 587         g_dir_close (gdir);
 588
 589         return files;
 590 }
 591
 592 static GList *
 593 log_manager_get_chats (EmpathyLogManager *manager,
 594                        const gchar       *dir,
 595                        gboolean           is_chatroom)
 596 {
 597         GDir        *gdir;
 598         GList       *hits = NULL;
 599         const gchar *name;
 600
 601         gdir = g_dir_open (dir, 0, NULL);
 602         if (!gdir) {
 603                 return NULL;
 604         }
 605
 606         while ((name = g_dir_read_name (gdir)) != NULL) {
 607                 EmpathyLogSearchHit *hit;
 608                 gchar *filename;
 609
 610                 filename = g_build_filename (dir, name, NULL);
 611                 if (strcmp (name, LOG_DIR_CHATROOMS) == 0) {
 612                         hits = g_list_concat (hits, log_manager_get_chats (manager, filename, TRUE));
 613                         g_free (filename);
 614                         continue;
 615                 }
 616
 617                 hit = g_slice_new0 (EmpathyLogSearchHit);
 618                 hit->chat_id = g_strdup (name);
 619                 hit->is_chatroom = is_chatroom;
 620
 621                 hits = g_list_prepend (hits, hit);
 622         }
 623
 624         g_dir_close (gdir);
 625
 626         return hits;
 627 }
 628
 629 static gchar *
 630 log_manager_get_dir (EmpathyLogManager *manager,
 631                      McAccount         *account,
 632                      const gchar       *chat_id,
 633                      gboolean           chatroom)
 634 {
 635         const gchar *account_id;
 636         gchar       *basedir;
 637
 638         account_id = mc_account_get_unique_name (account);
 639
 640         if (chatroom) {
 641                 basedir = g_build_path (G_DIR_SEPARATOR_S,
 642                                         log_manager_get_basedir (manager),
 643                                         account_id,
 644                                         LOG_DIR_CHATROOMS,
 645                                         chat_id,
 646                                         NULL);
 647         } else {
 648                 basedir = g_build_path (G_DIR_SEPARATOR_S,
 649                                         log_manager_get_basedir (manager),
 650                                         account_id,
 651                                         chat_id,
 652                                         NULL);
 653         }
 654
 655         return basedir;
 656 }
 657
 658 static gchar *
 659 log_manager_get_filename (EmpathyLogManager *manager,
 660                           McAccount         *account,
 661                           const gchar       *chat_id,
 662                           gboolean           chatroom)
 663 {
 664         gchar *basedir;
 665         gchar *timestamp;
 666         gchar *filename;
 667
 668         basedir = log_manager_get_dir (manager, account, chat_id, chatroom);
 669         timestamp = log_manager_get_timestamp_filename ();
 670         filename = g_build_filename (basedir, timestamp, NULL);
 671
 672         g_free (basedir);
 673         g_free (timestamp);
 674
 675         return filename;
 676 }
 677
 678 static gchar *
 679 log_manager_get_filename_for_date (EmpathyLogManager *manager,
 680                                    McAccount         *account,
 681                                    const gchar       *chat_id,
 682                                    gboolean           chatroom,
 683                                    const gchar       *date)
 684 {
 685         gchar *basedir;
 686         gchar *timestamp;
 687         gchar *filename;
 688
 689         basedir = log_manager_get_dir (manager, account, chat_id, chatroom);
 690         timestamp = g_strconcat (date, LOG_FILENAME_SUFFIX, NULL);
 691         filename = g_build_filename (basedir, timestamp, NULL);
 692
 693         g_free (basedir);
 694         g_free (timestamp);
 695
 696         return filename;
 697 }
 698
 699 static gchar *
 700 log_manager_get_timestamp_filename (void)
 701 {
 702         EmpathyTime  t;
 703         gchar      *time_str;
 704         gchar      *filename;
 705
 706         t = empathy_time_get_current ();
 707         time_str = empathy_time_to_string_local (t, LOG_TIME_FORMAT);
 708         filename = g_strconcat (time_str, LOG_FILENAME_SUFFIX, NULL);
 709
 710         g_free (time_str);
 711
 712         return filename;
 713 }
 714
 715 static gchar *
 716 log_manager_get_timestamp_from_message (EmpathyMessage *message)
 717 {
 718         EmpathyTime t;
 719
 720         t = empathy_message_get_timestamp (message);
 721
 722         /* We keep the timestamps in the messages as UTC. */
 723         return empathy_time_to_string_utc (t, LOG_TIME_FORMAT_FULL);
 724 }
 725
 726 static EmpathyLogSearchHit *
 727 log_manager_search_hit_new (EmpathyLogManager *manager,
 728                             const gchar       *filename)
 729 {
 730         EmpathyLogSearchHit  *hit;
 731         const gchar          *account_name;
 732         const gchar          *end;
 733         gchar               **strv;
 734         guint                 len;
 735
 736         if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
 737                 return NULL;
 738         }
 739
 740         strv = g_strsplit (filename, G_DIR_SEPARATOR_S, -1);
 741         len = g_strv_length (strv);
 742
 743         hit = g_slice_new0 (EmpathyLogSearchHit);
 744
 745         end = strstr (strv[len-1], LOG_FILENAME_SUFFIX);
 746         hit->date = g_strndup (strv[len-1], end - strv[len-1]);
 747         hit->chat_id = g_strdup (strv[len-2]);
 748         hit->is_chatroom = (strcmp (strv[len-3], LOG_DIR_CHATROOMS) == 0);
 749         if (hit->is_chatroom) {
 750                 account_name = strv[len-4];
 751         } else {
 752                 account_name = strv[len-3];
 753         }
 754         hit->account = mc_account_lookup (account_name);
 755         hit->filename = g_strdup (filename);
 756
 757         g_strfreev (strv);
 758
 759         return hit;
 760 }
 761
 762 static void
 763 log_manager_search_hit_free (EmpathyLogSearchHit *hit)
 764 {
 765         if (hit->account) {
 766                 g_object_unref (hit->account);
 767         }
 768
 769         g_free (hit->date);
 770         g_free (hit->filename);
 771         g_free (hit->chat_id);
 772
 773         g_slice_free (EmpathyLogSearchHit, hit);
 774 }