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