libempathy/empathy-log-manager.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  */
  23
  24 #include <config.h>
  25
  26 #include <string.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <glib/gstdio.h>
  30
  31 #include "empathy-log-manager.h"
  32 #include "empathy-contact.h"
  33 #include "empathy-time.h"
  34 #include "empathy-utils.h"
  35
  36 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  37 #include "empathy-debug.h"
  38
  39 #define LOG_DIR_CREATE_MODE       (S_IRUSR | S_IWUSR | S_IXUSR)
  40 #define LOG_FILE_CREATE_MODE      (S_IRUSR | S_IWUSR)
  41 #define LOG_DIR_CHATROOMS         "chatrooms"
  42 #define LOG_FILENAME_SUFFIX       ".log"
  43 #define LOG_TIME_FORMAT_FULL      "%Y%m%dT%H:%M:%S"
  44 #define LOG_TIME_FORMAT           "%Y%m%d"
  45 #define LOG_HEADER \
  46     "<?xml version='1.0' encoding='utf-8'?>\n" \
  47     "<?xml-stylesheet type=\"text/xsl\" href=\"empathy-log.xsl\"?>\n" \
  48     "<log>\n"
  49
  50 #define LOG_FOOTER \
  51     "</log>\n"
  52
  53 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyLogManager)
  54 typedef struct {
  55         gchar *basedir;
  56 } EmpathyLogManagerPriv;
  57
  58 static const gchar *        log_manager_get_basedir                (EmpathyLogManager      *manager);
  59 static GList *              log_manager_get_all_files              (EmpathyLogManager      *manager,
  60                                                                     const gchar            *dir);
  61 static GList *              log_manager_get_chats                  (EmpathyLogManager      *manager,
  62                                                                     const gchar            *dir,
  63                                                                     gboolean                is_chatroom);
  64 static gchar *              log_manager_get_dir                    (EmpathyLogManager      *manager,
  65                                                                     McAccount              *account,
  66                                                                     const gchar            *chat_id,
  67                                                                     gboolean                chatroom);
  68 static gchar *              log_manager_get_filename               (EmpathyLogManager      *manager,
  69                                                                     McAccount              *account,
  70                                                                     const gchar            *chat_id,
  71                                                                     gboolean                chatroom);
  72 static gchar *              log_manager_get_filename_for_date      (EmpathyLogManager      *manager,
  73                                                                     McAccount              *account,
  74                                                                     const gchar            *chat_id,
  75                                                                     gboolean                chatroom,
  76                                                                     const gchar            *date);
  77 static gchar *              log_manager_get_timestamp_filename     (void);
  78 static gchar *              log_manager_get_timestamp_from_message (EmpathyMessage          *message);
  79 static EmpathyLogSearchHit *log_manager_search_hit_new             (EmpathyLogManager      *manager,
  80                                                                     const gchar            *filename);
  81 static void                 log_manager_search_hit_free            (EmpathyLogSearchHit    *hit);
  82
  83 G_DEFINE_TYPE (EmpathyLogManager, empathy_log_manager, G_TYPE_OBJECT);
  84
  85 static EmpathyLogManager * manager_singleton = NULL;
  86
  87 static void
  88 empathy_log_manager_init (EmpathyLogManager *manager)
  89 {
  90         EmpathyLogManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
  91                 EMPATHY_TYPE_LOG_MANAGER, EmpathyLogManagerPriv);
  92
  93         manager->priv = priv;
  94 }
  95
  96 static void
  97 log_manager_finalize (GObject *object)
  98 {
  99         EmpathyLogManagerPriv *priv;
 100
 101         priv = GET_PRIV (object);
 102
 103         g_free (priv->basedir);
 104 }
 105
 106 static GObject *
 107 log_manager_constructor (GType type,
 108                          guint n_props,
 109                          GObjectConstructParam *props)
 110 {
 111         GObject *retval;
 112
 113         if (manager_singleton) {
 114                 retval = g_object_ref (manager_singleton);
 115         } else {
 116                 retval = G_OBJECT_CLASS (empathy_log_manager_parent_class)->constructor
 117                         (type, n_props, props);
 118
 119                 manager_singleton = EMPATHY_LOG_MANAGER (retval);
 120                 g_object_add_weak_pointer (retval, (gpointer *) &manager_singleton);
 121         }
 122
 123         return retval;
 124 }
 125
 126 static void
 127 empathy_log_manager_class_init (EmpathyLogManagerClass *klass)
 128 {
 129         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 130
 131         object_class->finalize = log_manager_finalize;
 132         object_class->constructor = log_manager_constructor;
 133
 134         g_type_class_add_private (object_class, sizeof (EmpathyLogManagerPriv));
 135 }
 136
 137 EmpathyLogManager *
 138 empathy_log_manager_dup_singleton (void)
 139 {
 140         return g_object_new (EMPATHY_TYPE_LOG_MANAGER, NULL);
 141 }
 142
 143 void
 144 empathy_log_manager_add_message (EmpathyLogManager *manager,
 145                                  const gchar       *chat_id,
 146                                  gboolean           chatroom,
 147                                  EmpathyMessage     *message)
 148 {
 149         FILE          *file;
 150         McAccount     *account;
 151         EmpathyContact *sender;
 152         const gchar   *body_str;
 153         const gchar   *str;
 154         EmpathyAvatar *avatar;
 155         gchar         *avatar_token = NULL;
 156         gchar         *filename;
 157         gchar         *basedir;
 158         gchar         *body;
 159         gchar         *timestamp;
 160         gchar         *contact_name;
 161         gchar         *contact_id;
 162         TpChannelTextMessageType msg_type;
 163
 164         g_return_if_fail (EMPATHY_IS_LOG_MANAGER (manager));
 165         g_return_if_fail (chat_id != NULL);
 166         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
 167
 168         sender = empathy_message_get_sender (message);
 169         account = empathy_contact_get_account (sender);
 170         body_str = empathy_message_get_body (message);
 171         msg_type = empathy_message_get_tptype (message);
 172
 173         if (EMP_STR_EMPTY (body_str)) {
 174                 return;
 175         }
 176
 177         filename = log_manager_get_filename (manager, account, chat_id, chatroom);
 178         basedir = g_path_get_dirname (filename);
 179         if (!g_file_test (basedir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
 180                 DEBUG ("Creating directory:'%s'", basedir);
 181
 182                 g_mkdir_with_parents (basedir, LOG_DIR_CREATE_MODE);
 183         }
 184         g_free (basedir);
 185
 186         DEBUG ("Adding message: '%s' to file: '%s'", body_str, filename);
 187
 188         if (!g_file_test (filename, G_FILE_TEST_EXISTS)) {
 189                 file = g_fopen (filename, "w+");
 190                 if (file) {
 191                         g_fprintf (file, LOG_HEADER);
 192                 }
 193                 g_chmod (filename, LOG_FILE_CREATE_MODE);
 194         } else {
 195                 file = g_fopen (filename, "r+");
 196                 if (file) {
 197                         fseek (file, - strlen (LOG_FOOTER), SEEK_END);
 198                 }
 199         }
 200
 201         body = g_markup_escape_text (body_str, -1);
 202         timestamp = log_manager_get_timestamp_from_message (message);
 203
 204         str = empathy_contact_get_name (sender);
 205         contact_name = g_markup_escape_text (str, -1);
 206
 207         str = empathy_contact_get_id (sender);
 208         contact_id = g_markup_escape_text (str, -1);
 209
 210         avatar = empathy_contact_get_avatar (sender);
 211         if (avatar) {
 212                 avatar_token = g_markup_escape_text (avatar->token, -1);
 213         }
 214
 215         g_fprintf (file,
 216                    "<message time='%s' id='%s' name='%s' token='%s' isuser='%s' type='%s'>%s</message>\n" LOG_FOOTER,
 217                    timestamp,
 218                    contact_id,
 219                    contact_name,
 220                    avatar_token ? avatar_token : "",
 221                    empathy_contact_is_user (sender) ? "true" : "false",
 222                    empathy_message_type_to_str (msg_type),
 223                    body);
 224
 225         fclose (file);
 226         g_free (filename);
 227         g_free (contact_id);
 228         g_free (contact_name);
 229         g_free (timestamp);
 230         g_free (body);
 231         g_free (avatar_token);
 232 }
 233
 234 gboolean
 235 empathy_log_manager_exists (EmpathyLogManager *manager,
 236                             McAccount         *account,
 237                             const gchar       *chat_id,
 238                             gboolean           chatroom)
 239 {
 240         gchar    *dir;
 241         gboolean  exists;
 242
 243         dir = log_manager_get_dir (manager, account, chat_id, chatroom);
 244         exists = g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR);
 245         g_free (dir);
 246
 247         return exists;
 248 }
 249
 250 GList *
 251 empathy_log_manager_get_dates (EmpathyLogManager *manager,
 252                                McAccount         *account,
 253                                const gchar       *chat_id,
 254                                gboolean           chatroom)
 255 {
 256         GList       *dates = NULL;
 257         gchar       *date;
 258         gchar       *directory;
 259         GDir        *dir;
 260         const gchar *filename;
 261         const gchar *p;
 262
 263         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 264         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 265         g_return_val_if_fail (chat_id != NULL, NULL);
 266
 267         directory = log_manager_get_dir (manager, account, chat_id, chatroom);
 268         dir = g_dir_open (directory, 0, NULL);
 269         if (!dir) {
 270                 DEBUG ("Could not open directory:'%s'", directory);
 271                 g_free (directory);
 272                 return NULL;
 273         }
 274
 275         DEBUG ("Collating a list of dates in:'%s'", directory);
 276
 277         while ((filename = g_dir_read_name (dir)) != NULL) {
 278                 if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
 279                         continue;
 280                 }
 281
 282                 p = strstr (filename, LOG_FILENAME_SUFFIX);
 283                 date = g_strndup (filename, p - filename);
 284                 if (!date) {
 285                         continue;
 286                 }
 287
 288                 if (!g_regex_match_simple ("\\d{8}", date, 0, 0)) {
 289                         continue;
 290                 }
 291
 292                 dates = g_list_insert_sorted (dates, date, (GCompareFunc) strcmp);
 293         }
 294
 295         g_free (directory);
 296         g_dir_close (dir);
 297
 298         DEBUG ("Parsed %d dates", g_list_length (dates));
 299
 300         return dates;
 301 }
 302
 303 GList *
 304 empathy_log_manager_get_messages_for_file (EmpathyLogManager *manager,
 305                                            const gchar       *filename)
 306 {
 307         GList               *messages = NULL;
 308         xmlParserCtxtPtr     ctxt;
 309         xmlDocPtr            doc;
 310         xmlNodePtr           log_node;
 311         xmlNodePtr           node;
 312         EmpathyLogSearchHit *hit;
 313         McAccount           *account;
 314
 315         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 316         g_return_val_if_fail (filename != NULL, NULL);
 317
 318         DEBUG ("Attempting to parse filename:'%s'...", filename);
 319
 320         if (!g_file_test (filename, G_FILE_TEST_EXISTS)) {
 321                 DEBUG ("Filename:'%s' does not exist", filename);
 322                 return NULL;
 323         }
 324
 325         /* Get the account from the filename */
 326         hit = log_manager_search_hit_new (manager, filename);
 327         account = g_object_ref (hit->account);
 328         log_manager_search_hit_free (hit);
 329
 330         /* Create parser. */
 331         ctxt = xmlNewParserCtxt ();
 332
 333         /* Parse and validate the file. */
 334         doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
 335         if (!doc) {
 336                 g_warning ("Failed to parse file:'%s'", filename);
 337                 xmlFreeParserCtxt (ctxt);
 338                 return NULL;
 339         }
 340
 341         /* The root node, presets. */
 342         log_node = xmlDocGetRootElement (doc);
 343         if (!log_node) {
 344                 xmlFreeDoc (doc);
 345                 xmlFreeParserCtxt (ctxt);
 346                 return NULL;
 347         }
 348
 349         /* Now get the messages. */
 350         for (node = log_node->children; node; node = node->next) {
 351                 EmpathyMessage     *message;
 352                 EmpathyContact     *sender;
 353                 gchar              *time;
 354                 time_t              t;
 355                 gchar              *sender_id;
 356                 gchar              *sender_name;
 357                 gchar              *sender_avatar_token;
 358                 gchar              *body;
 359                 gchar              *is_user_str;
 360                 gboolean            is_user = FALSE;
 361                 gchar              *msg_type_str;
 362                 TpChannelTextMessageType msg_type = TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL;
 363
 364                 if (strcmp (node->name, "message") != 0) {
 365                         continue;
 366                 }
 367
 368                 body = xmlNodeGetContent (node);
 369                 time = xmlGetProp (node, "time");
 370                 sender_id = xmlGetProp (node, "id");
 371                 sender_name = xmlGetProp (node, "name");
 372                 sender_avatar_token = xmlGetProp (node, "token");
 373                 is_user_str = xmlGetProp (node, "isuser");
 374                 msg_type_str = xmlGetProp (node, "type");
 375
 376                 if (is_user_str) {
 377                         is_user = strcmp (is_user_str, "true") == 0;
 378                 }
 379                 if (msg_type_str) {
 380                         msg_type = empathy_message_type_from_str (msg_type_str);
 381                 }
 382
 383                 t = empathy_time_parse (time);
 384
 385                 sender = empathy_contact_new_full (account, sender_id, sender_name);
 386                 empathy_contact_set_is_user (sender, is_user);
 387                 if (!EMP_STR_EMPTY (sender_avatar_token)) {
 388                         empathy_contact_load_avatar_cache (sender,
 389                                                            sender_avatar_token);
 390                 }
 391
 392                 message = empathy_message_new (body);
 393                 empathy_message_set_sender (message, sender);
 394                 empathy_message_set_timestamp (message, t);
 395                 empathy_message_set_tptype (message, msg_type);
 396
 397                 messages = g_list_append (messages, message);
 398
 399                 g_object_unref (sender);
 400                 xmlFree (time);
 401                 xmlFree (sender_id);
 402                 xmlFree (sender_name);
 403                 xmlFree (body);
 404                 xmlFree (is_user_str);
 405                 xmlFree (msg_type_str);
 406         }
 407
 408         DEBUG ("Parsed %d messages", g_list_length (messages));
 409
 410         xmlFreeDoc (doc);
 411         xmlFreeParserCtxt (ctxt);
 412
 413         return messages;
 414 }
 415
 416 GList *
 417 empathy_log_manager_get_messages_for_date (EmpathyLogManager *manager,
 418                                            McAccount         *account,
 419                                            const gchar       *chat_id,
 420                                            gboolean           chatroom,
 421                                            const gchar       *date)
 422 {
 423         gchar *filename;
 424         GList *messages;
 425
 426         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 427         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 428         g_return_val_if_fail (chat_id != NULL, NULL);
 429
 430         filename = log_manager_get_filename_for_date (manager, account, chat_id, chatroom, date);
 431         messages = empathy_log_manager_get_messages_for_file (manager, filename);
 432         g_free (filename);
 433
 434         return messages;
 435 }
 436
 437 GList *
 438 empathy_log_manager_get_last_messages (EmpathyLogManager *manager,
 439                                        McAccount         *account,
 440                                        const gchar       *chat_id,
 441                                        gboolean           chatroom)
 442 {
 443         GList *messages = NULL;
 444         GList *dates;
 445         GList *l;
 446
 447         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 448         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 449         g_return_val_if_fail (chat_id != NULL, NULL);
 450
 451         dates = empathy_log_manager_get_dates (manager, account, chat_id, chatroom);
 452
 453         l = g_list_last (dates);
 454         if (l) {
 455                 messages = empathy_log_manager_get_messages_for_date (manager,
 456                                                                       account,
 457                                                                       chat_id,
 458                                                                       chatroom,
 459                                                                       l->data);
 460         }
 461
 462         g_list_foreach (dates, (GFunc) g_free, NULL);
 463         g_list_free (dates);
 464
 465         return messages;
 466 }
 467
 468 GList *
 469 empathy_log_manager_get_chats (EmpathyLogManager *manager,
 470                                McAccount         *account)
 471 {
 472         const gchar *basedir;
 473         gchar       *dir;
 474
 475         basedir = log_manager_get_basedir (manager);
 476         dir = g_build_filename (basedir,
 477                                 mc_account_get_unique_name (account),
 478                                 NULL);
 479
 480         return log_manager_get_chats (manager, dir, FALSE);
 481 }
 482
 483 GList *
 484 empathy_log_manager_search_new (EmpathyLogManager *manager,
 485                                 const gchar       *text)
 486 {
 487         GList *files, *l;
 488         GList *hits = NULL;
 489         gchar *text_casefold;
 490
 491         g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
 492         g_return_val_if_fail (!EMP_STR_EMPTY (text), NULL);
 493
 494         text_casefold = g_utf8_casefold (text, -1);
 495
 496         files = log_manager_get_all_files (manager, NULL);
 497         DEBUG ("Found %d log files in total", g_list_length (files));
 498
 499         for (l = files; l; l = l->next) {
 500                 gchar       *filename;
 501                 GMappedFile *file;
 502                 gsize        length;
 503                 gchar       *contents;
 504                 gchar       *contents_casefold;
 505
 506                 filename = l->data;
 507
 508                 file = g_mapped_file_new (filename, FALSE, NULL);
 509                 if (!file) {
 510                         continue;
 511                 }
 512
 513                 length = g_mapped_file_get_length (file);
 514                 contents = g_mapped_file_get_contents (file);
 515                 contents_casefold = g_utf8_casefold (contents, length);
 516
 517                 g_mapped_file_free (file);
 518
 519                 if (strstr (contents_casefold, text_casefold)) {
 520                         EmpathyLogSearchHit *hit;
 521
 522                         hit = log_manager_search_hit_new (manager, filename);
 523
 524                         if (hit) {
 525                                 hits = g_list_prepend (hits, hit);
 526                                 DEBUG ("Found text:'%s' in file:'%s' on date:'%s'",
 527                                         text, hit->filename, hit->date);
 528                         }
 529                 }
 530
 531                 g_free (contents_casefold);
 532                 g_free (filename);
 533         }
 534         g_list_free (files);
 535
 536         g_free (text_casefold);
 537
 538         return hits;
 539 }
 540
 541 void
 542 empathy_log_manager_search_free (GList *hits)
 543 {
 544         GList *l;
 545
 546         for (l = hits; l; l = l->next) {
 547                 log_manager_search_hit_free (l->data);
 548         }
 549
 550         g_list_free (hits);
 551 }
 552
 553 /* Format is just date, 20061201. */
 554 gchar *
 555 empathy_log_manager_get_date_readable (const gchar *date)
 556 {
 557         time_t t;
 558
 559         t = empathy_time_parse (date);
 560
 561         return empathy_time_to_string_local (t, "%a %d %b %Y");
 562 }
 563
 564 static const gchar *
 565 log_manager_get_basedir (EmpathyLogManager *manager)
 566 {
 567         EmpathyLogManagerPriv *priv;
 568
 569         priv = GET_PRIV (manager);
 570
 571         if (priv->basedir) {
 572                 return priv->basedir;
 573         }
 574
 575         priv->basedir = g_build_path (G_DIR_SEPARATOR_S,
 576                                       g_get_home_dir (),
 577                                       ".gnome2",
 578                                       PACKAGE_NAME,
 579                                       "logs",
 580                                       NULL);
 581
 582         return priv->basedir;
 583 }
 584
 585 static GList *
 586 log_manager_get_all_files (EmpathyLogManager *manager,
 587                            const gchar       *dir)
 588 {
 589         GDir        *gdir;
 590         GList       *files = NULL;
 591         const gchar *name;
 592
 593         if (!dir) {
 594                 dir = log_manager_get_basedir (manager);
 595         }
 596
 597         gdir = g_dir_open (dir, 0, NULL);
 598         if (!gdir) {
 599                 return NULL;
 600         }
 601
 602         while ((name = g_dir_read_name (gdir)) != NULL) {
 603                 gchar *filename;
 604
 605                 filename = g_build_filename (dir, name, NULL);
 606                 if (g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
 607                         files = g_list_prepend (files, filename);
 608                         continue;
 609                 }
 610
 611                 if (g_file_test (filename, G_FILE_TEST_IS_DIR)) {
 612                         /* Recursively get all log files */
 613                         files = g_list_concat (files, log_manager_get_all_files (manager, filename));
 614                 }
 615                 g_free (filename);
 616         }
 617
 618         g_dir_close (gdir);
 619
 620         return files;
 621 }
 622
 623 static GList *
 624 log_manager_get_chats (EmpathyLogManager *manager,
 625                        const gchar       *dir,
 626                        gboolean           is_chatroom)
 627 {
 628         GDir        *gdir;
 629         GList       *hits = NULL;
 630         const gchar *name;
 631
 632         gdir = g_dir_open (dir, 0, NULL);
 633         if (!gdir) {
 634                 return NULL;
 635         }
 636
 637         while ((name = g_dir_read_name (gdir)) != NULL) {
 638                 EmpathyLogSearchHit *hit;
 639                 gchar *filename;
 640
 641                 filename = g_build_filename (dir, name, NULL);
 642                 if (strcmp (name, LOG_DIR_CHATROOMS) == 0) {
 643                         hits = g_list_concat (hits, log_manager_get_chats (manager, filename, TRUE));
 644                         g_free (filename);
 645                         continue;
 646                 }
 647
 648                 hit = g_slice_new0 (EmpathyLogSearchHit);
 649                 hit->chat_id = g_strdup (name);
 650                 hit->is_chatroom = is_chatroom;
 651
 652                 hits = g_list_prepend (hits, hit);
 653         }
 654
 655         g_dir_close (gdir);
 656
 657         return hits;
 658 }
 659
 660 static gchar *
 661 log_manager_get_dir (EmpathyLogManager *manager,
 662                      McAccount         *account,
 663                      const gchar       *chat_id,
 664                      gboolean           chatroom)
 665 {
 666         const gchar *account_id;
 667         gchar       *basedir;
 668
 669         account_id = mc_account_get_unique_name (account);
 670
 671         if (chatroom) {
 672                 basedir = g_build_path (G_DIR_SEPARATOR_S,
 673                                         log_manager_get_basedir (manager),
 674                                         account_id,
 675                                         LOG_DIR_CHATROOMS,
 676                                         chat_id,
 677                                         NULL);
 678         } else {
 679                 basedir = g_build_path (G_DIR_SEPARATOR_S,
 680                                         log_manager_get_basedir (manager),
 681                                         account_id,
 682                                         chat_id,
 683                                         NULL);
 684         }
 685
 686         return basedir;
 687 }
 688
 689 static gchar *
 690 log_manager_get_filename (EmpathyLogManager *manager,
 691                           McAccount         *account,
 692                           const gchar       *chat_id,
 693                           gboolean           chatroom)
 694 {
 695         gchar *basedir;
 696         gchar *timestamp;
 697         gchar *filename;
 698
 699         basedir = log_manager_get_dir (manager, account, chat_id, chatroom);
 700         timestamp = log_manager_get_timestamp_filename ();
 701         filename = g_build_filename (basedir, timestamp, NULL);
 702
 703         g_free (basedir);
 704         g_free (timestamp);
 705
 706         return filename;
 707 }
 708
 709 static gchar *
 710 log_manager_get_filename_for_date (EmpathyLogManager *manager,
 711                                    McAccount         *account,
 712                                    const gchar       *chat_id,
 713                                    gboolean           chatroom,
 714                                    const gchar       *date)
 715 {
 716         gchar *basedir;
 717         gchar *timestamp;
 718         gchar *filename;
 719
 720         basedir = log_manager_get_dir (manager, account, chat_id, chatroom);
 721         timestamp = g_strconcat (date, LOG_FILENAME_SUFFIX, NULL);
 722         filename = g_build_filename (basedir, timestamp, NULL);
 723
 724         g_free (basedir);
 725         g_free (timestamp);
 726
 727         return filename;
 728 }
 729
 730 static gchar *
 731 log_manager_get_timestamp_filename (void)
 732 {
 733         time_t      t;
 734         gchar      *time_str;
 735         gchar      *filename;
 736
 737         t = empathy_time_get_current ();
 738         time_str = empathy_time_to_string_local (t, LOG_TIME_FORMAT);
 739         filename = g_strconcat (time_str, LOG_FILENAME_SUFFIX, NULL);
 740
 741         g_free (time_str);
 742
 743         return filename;
 744 }
 745
 746 static gchar *
 747 log_manager_get_timestamp_from_message (EmpathyMessage *message)
 748 {
 749         time_t t;
 750
 751         t = empathy_message_get_timestamp (message);
 752
 753         /* We keep the timestamps in the messages as UTC. */
 754         return empathy_time_to_string_utc (t, LOG_TIME_FORMAT_FULL);
 755 }
 756
 757 static EmpathyLogSearchHit *
 758 log_manager_search_hit_new (EmpathyLogManager *manager,
 759                             const gchar       *filename)
 760 {
 761         EmpathyLogSearchHit  *hit;
 762         const gchar          *account_name;
 763         const gchar          *end;
 764         gchar               **strv;
 765         guint                 len;
 766
 767         if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
 768                 return NULL;
 769         }
 770
 771         strv = g_strsplit (filename, G_DIR_SEPARATOR_S, -1);
 772         len = g_strv_length (strv);
 773
 774         hit = g_slice_new0 (EmpathyLogSearchHit);
 775
 776         end = strstr (strv[len-1], LOG_FILENAME_SUFFIX);
 777         hit->date = g_strndup (strv[len-1], end - strv[len-1]);
 778         hit->chat_id = g_strdup (strv[len-2]);
 779         hit->is_chatroom = (strcmp (strv[len-3], LOG_DIR_CHATROOMS) == 0);
 780         if (hit->is_chatroom) {
 781                 account_name = strv[len-4];
 782         } else {
 783                 account_name = strv[len-3];
 784         }
 785         hit->account = mc_account_lookup (account_name);
 786         hit->filename = g_strdup (filename);
 787
 788         g_strfreev (strv);
 789
 790         return hit;
 791 }
 792
 793 static void
 794 log_manager_search_hit_free (EmpathyLogSearchHit *hit)
 795 {
 796         if (hit->account) {
 797                 g_object_unref (hit->account);
 798         }
 799
 800         g_free (hit->date);
 801         g_free (hit->filename);
 802         g_free (hit->chat_id);
 803
 804         g_slice_free (EmpathyLogSearchHit, hit);
 805 }