git.maemo.org Git - modest/blob - src/modest-search.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef _GNU_SOURCE
  31 #define _GNU_SOURCE
  32 #endif
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #include <string.h>
  39
  40 #include <tny-shared.h>
  41 #include <tny-folder.h>
  42 #include <tny-folder-store.h>
  43 #include <tny-list.h>
  44 #include <tny-iterator.h>
  45 #include <tny-simple-list.h>
  46 #include <tny-camel-imap-store-account.h>
  47 #include <tny-camel-pop-store-account.h>
  48
  49 #include "modest-text-utils.h"
  50 #include "modest-account-mgr.h"
  51 #include "modest-tny-account-store.h"
  52 #include "modest-tny-account.h"
  53 #include "modest-tny-mime-part.h"
  54 #include "modest-tny-folder.h"
  55 #include "modest-search.h"
  56 #include "modest-runtime.h"
  57 #include "modest-platform.h"
  58
  59 typedef struct
  60 {
  61         guint pending_calls;
  62         GList *msg_hits;
  63         ModestSearch *search;
  64         ModestSearchCallback callback;
  65         gpointer user_data;
  66         TnyList *all_folders;
  67 } SearchHelper;
  68
  69 static SearchHelper *create_helper (ModestSearchCallback callback,
  70                                     ModestSearch *search,
  71                                     gpointer user_data);
  72
  73 static void          _search_folder (TnyFolder *folder,
  74                                      SearchHelper *helper);
  75
  76 static gchar *
  77 g_strdup_or_null (const gchar *str)
  78 {
  79         gchar *string = NULL;
  80
  81         if  (str != NULL) {
  82                 string = g_strdup (str);
  83         }
  84
  85         return string;
  86 }
  87
  88 static GList*
  89 add_hit (GList *list, TnyHeader *header, TnyFolder *folder)
  90 {
  91         ModestSearchResultHit *hit;
  92         TnyHeaderFlags   flags;
  93         char            *furl;
  94         char            *msg_url;
  95         char      *uid;
  96         char      *subject;
  97         char      *sender;
  98
  99         hit = g_slice_new0 (ModestSearchResultHit);
 100
 101         furl = tny_folder_get_url_string (folder);
 102         g_debug ("%s: folder URL=%s\n", __FUNCTION__, furl);
 103         if (!furl) {
 104                 g_warning ("%s: tny_folder_get_url_string(): returned NULL for folder. Folder name=%s\n", __FUNCTION__, tny_folder_get_name (folder));
 105         }
 106
 107         /* Make sure that we use the short UID instead of the long UID,
 108          * and/or find out what UID form is used when finding, in camel_data_cache_get().
 109          * so we can find what we get. Philip is working on this.
 110          */
 111         uid = tny_header_dup_uid (header);
 112         if (!furl) {
 113                 gchar *subject = tny_header_dup_subject (header);
 114                 g_warning ("%s: tny_header_get_uid(): returned NULL for message with subject=%s\n", __FUNCTION__, subject);
 115                 g_free (subject);
 116         }
 117
 118         msg_url = g_strdup_printf ("%s/%s", furl, uid);
 119         g_free (furl);
 120         g_free (uid);
 121
 122         subject = tny_header_dup_subject (header);
 123         sender = tny_header_dup_from (header);
 124
 125         flags = tny_header_get_flags (header);
 126
 127         hit->msgid = msg_url;
 128         hit->subject = subject;
 129         hit->sender = sender;
 130         hit->folder = g_strdup_or_null (tny_folder_get_name (folder));
 131         hit->msize = tny_header_get_message_size (header);
 132         hit->has_attachment = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 133         hit->is_unread = ! (flags & TNY_HEADER_FLAG_SEEN);
 134         hit->timestamp = MIN (tny_header_get_date_received (header), tny_header_get_date_sent (header));
 135
 136         return g_list_prepend (list, hit);
 137 }
 138
 139 /** Call this until it returns FALSE or nread is set to 0.
 140  *
 141  * @result: FALSE is something failed. */
 142 static gboolean
 143 read_chunk (TnyStream *stream, char *buffer, gsize count, gsize *nread)
 144 {
 145         gsize _nread = 0;
 146         gssize res = 0;
 147
 148         while (_nread < count) {
 149                 res = tny_stream_read (stream,
 150                                        buffer + _nread,
 151                                        count - _nread);
 152                 if (res == -1) { /* error */
 153                         *nread = _nread;
 154                         return FALSE;
 155                 }
 156
 157                 _nread += res;
 158
 159                 if (res == 0) { /* no more bytes read. */
 160                         *nread = _nread;
 161                         return TRUE;
 162                 }
 163         }
 164
 165         *nread = _nread;
 166         return TRUE;
 167 }
 168
 169 #ifdef MODEST_HAVE_OGS
 170 /*
 171  * This function assumes that the mime part is of type "text / *"
 172  */
 173 static gboolean
 174 search_mime_part_ogs (TnyMimePart *part, ModestSearch *search)
 175 {
 176         TnyStream *stream = NULL;
 177         char       buffer[4096];
 178         const gsize len = sizeof (buffer);
 179         gsize      nread = 0;
 180         gboolean   is_text_html = FALSE;
 181         gboolean   found = FALSE;
 182         gboolean   res = FALSE;
 183
 184         is_text_html = tny_mime_part_content_type_is (part, "text/html");
 185
 186         stream = tny_mime_part_get_stream (part);
 187
 188         res = read_chunk (stream, buffer, len, &nread);
 189         while (res && (nread > 0)) {
 190                 /* search->text_searcher was instantiated in modest_search_folder(). */
 191
 192                 if (is_text_html) {
 193                         found = ogs_text_searcher_search_html (search->text_searcher,
 194                                                                buffer,
 195                                                                nread,
 196                                                                nread < len);
 197                 } else {
 198                         found = ogs_text_searcher_search_text (search->text_searcher,
 199                                                                buffer,
 200                                                                nread);
 201                 }
 202
 203                 /* HACK: this helps UI refreshes because the search
 204                    operations could be heavy */
 205                 while (gtk_events_pending ())
 206                         gtk_main_iteration ();
 207
 208                 if (found) {
 209                         break;
 210                 }
 211
 212                 nread = 0;
 213                 res = read_chunk (stream, buffer, len, &nread);
 214         }
 215         g_object_unref (stream);
 216
 217         if (!found) {
 218                 found = ogs_text_searcher_search_done (search->text_searcher);
 219         }
 220
 221         ogs_text_searcher_reset (search->text_searcher);
 222
 223         return found;
 224 }
 225
 226 #else
 227
 228 /*
 229  * This function assumes that the mime part is of type "text / *"
 230  */
 231 static gboolean
 232 search_mime_part_strcmp (TnyMimePart *part, ModestSearch *search)
 233 {
 234         TnyStream *stream;
 235         char       buffer[8193];
 236         char      *chunk[2];
 237         gssize     len;
 238         gsize     nread;
 239         gboolean   found;
 240         gboolean   res;
 241
 242         found = FALSE;
 243         len = (sizeof (buffer) - 1) / 2;
 244
 245         if (strlen (search->body) > len) {
 246                 g_warning ("Search term bigger then chunk."
 247                            "We might not find everything");
 248         }
 249
 250         stream = tny_mime_part_get_stream (part);
 251
 252         memset (buffer, 0, sizeof (buffer));
 253         chunk[0] = buffer;
 254         chunk[1] = buffer + len;
 255
 256         res = read_chunk (stream, chunk[0], len, &nread);
 257
 258         if (res == FALSE) {
 259                 goto done;
 260         }
 261
 262         found = !modest_text_utils_utf8_strcmp (search->body,
 263                                                 buffer,
 264                                                 TRUE);
 265         if (found) {
 266                 goto done;
 267         }
 268
 269         /* This works like this:
 270          * buffer: [ooooooooooo|xxxxxxxxxxxx|\0]
 271          *          ^chunk[0]  ^chunk[1]
 272          * we have prefilled chunk[0] now we always read into chunk[1]
 273          * and then move the content of chunk[1] to chunk[0].
 274          * The idea is to prevent not finding search terms that are
 275          * spread across 2 reads:
 276          * buffer: [ooooooooTES|Txxxxxxxxxxx|\0]
 277          * We should catch that because we always search the whole
 278          * buffer not only the chunks.
 279          *
 280          * Of course that breaks for search terms > sizeof (chunk)
 281          * but sizeof (chunk) should be big enough I guess (see
 282          * the g_warning in this function)
 283          * */
 284         while ((res = read_chunk (stream, chunk[1], len, &nread))) {
 285                 buffer[len + nread] = '\0';
 286
 287                 found = !modest_text_utils_utf8_strcmp (search->body,
 288                                                         buffer,
 289                                                         TRUE);
 290
 291                 /* HACK: this helps UI refreshes because the search
 292                    operations could be heavy */
 293                 while (gtk_events_pending ())
 294                         gtk_main_iteration ();
 295
 296                 if ((found)||(nread == 0)) {
 297                         break;
 298                 }
 299
 300                 /* also move the \0 */
 301                 g_memmove (chunk[0], chunk[1], len + 1);
 302         }
 303
 304 done:
 305         g_object_unref (stream);
 306         return found;
 307 }
 308 #endif /*MODEST_HAVE_OGS*/
 309
 310 static gboolean
 311 search_string (const char      *what,
 312                const char      *where,
 313                ModestSearch    *search)
 314 {
 315         gboolean found = FALSE;
 316 #ifdef MODEST_HAVE_OGS
 317         if (search->flags & MODEST_SEARCH_USE_OGS) {
 318                 found = ogs_text_searcher_search_text (search->text_searcher,
 319                                                        where,
 320                                                        strlen (where));
 321
 322                 ogs_text_searcher_reset (search->text_searcher);
 323         } else {
 324 #endif
 325                 if (what == NULL || where == NULL) {
 326                         return FALSE;
 327                 }
 328
 329                 found = !modest_text_utils_utf8_strcmp (what, where, TRUE);
 330 #ifdef MODEST_HAVE_OGS
 331         }
 332 #endif
 333
 334         /* HACK: this helps UI refreshes because the search
 335            operations could be heavy */
 336         while (gtk_events_pending ())
 337                 gtk_main_iteration ();
 338
 339         return found;
 340 }
 341
 342
 343 static gboolean
 344 search_mime_part_and_child_parts (TnyMimePart *part, ModestSearch *search)
 345 {
 346         gboolean found = FALSE;
 347
 348         /* Do not search into attachments */
 349         if (modest_tny_mime_part_is_attachment_for_modest (part) && !TNY_IS_MSG (part))
 350                 return FALSE;
 351
 352         #ifdef MODEST_HAVE_OGS
 353         found = search_mime_part_ogs (part, search);
 354         #else
 355         found = search_mime_part_strcmp (part, search);
 356         #endif
 357
 358         if (found) {
 359                 return found;
 360         }
 361
 362         /* Check the child part too, recursively: */
 363         TnyList *child_parts = tny_simple_list_new ();
 364         tny_mime_part_get_parts (TNY_MIME_PART (part), child_parts);
 365
 366         TnyIterator *piter = tny_list_create_iterator (child_parts);
 367         while (!found && !tny_iterator_is_done (piter)) {
 368                 TnyMimePart *pcur = (TnyMimePart *) tny_iterator_get_current (piter);
 369                 if (pcur) {
 370                         found = search_mime_part_and_child_parts (pcur, search);
 371
 372                         g_object_unref (pcur);
 373                 }
 374
 375                 tny_iterator_next (piter);
 376         }
 377
 378         g_object_unref (piter);
 379         g_object_unref (child_parts);
 380
 381         return found;
 382 }
 383
 384 static void
 385 search_next_folder (SearchHelper *helper)
 386 {
 387         TnyIterator *iter = tny_list_create_iterator (helper->all_folders);
 388         TnyFolder *first = TNY_FOLDER (tny_iterator_get_current (iter));
 389
 390         _search_folder (first, helper);
 391
 392         g_object_unref (first);
 393         g_object_unref (iter);
 394 }
 395
 396 static void
 397 modest_search_folder_get_headers_cb (TnyFolder *folder,
 398                                      gboolean cancelled,
 399                                      TnyList *headers,
 400                                      GError *err,
 401                                      gpointer user_data)
 402 {
 403         TnyIterator *iter = NULL;
 404         SearchHelper *helper;
 405
 406         helper = (SearchHelper *) user_data;
 407
 408         if (err || cancelled) {
 409                 goto end;
 410         }
 411
 412         iter = tny_list_create_iterator (headers);
 413
 414         while (!tny_iterator_is_done (iter)) {
 415
 416                 TnyHeader *cur = (TnyHeader *) tny_iterator_get_current (iter);
 417                 const time_t t = tny_header_get_date_sent (cur);
 418                 gboolean found = FALSE;
 419
 420                 /* Ignore deleted (not yet expunged) emails: */
 421                 if (tny_header_get_flags(cur) & TNY_HEADER_FLAG_DELETED)
 422                         goto go_next;
 423
 424                 if (helper->search->flags & MODEST_SEARCH_BEFORE)
 425                         if (!(t <= helper->search->end_date))
 426                                 goto go_next;
 427
 428                 if (helper->search->flags & MODEST_SEARCH_AFTER)
 429                         if (!(t >= helper->search->start_date))
 430                                 goto go_next;
 431
 432                 if (helper->search->flags & MODEST_SEARCH_SIZE)
 433                         if (tny_header_get_message_size (cur) < helper->search->minsize)
 434                                 goto go_next;
 435
 436                 if (helper->search->flags & MODEST_SEARCH_SUBJECT) {
 437                         char *str = tny_header_dup_subject (cur);
 438
 439                         if ((found = search_string (helper->search->subject, str, helper->search))) {
 440                             helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 441                         }
 442                         g_free (str);
 443                 }
 444
 445                 if (!found && helper->search->flags & MODEST_SEARCH_SENDER) {
 446                         char *str = tny_header_dup_from (cur);
 447
 448                         if ((found = search_string (helper->search->from, (const gchar *) str, helper->search))) {
 449                                 helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 450                         }
 451                         g_free (str);
 452                 }
 453
 454                 if (!found && helper->search->flags & MODEST_SEARCH_RECIPIENT) {
 455                         char *str = tny_header_dup_to (cur);
 456
 457                         if ((found = search_string (helper->search->recipient, str, helper->search))) {
 458                                 helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 459                         }
 460                         g_free (str);
 461                 }
 462
 463                 if (!found && helper->search->flags & MODEST_SEARCH_BODY) {
 464                         TnyHeaderFlags flags;
 465                         GError      *err = NULL;
 466                         TnyMsg      *msg = NULL;
 467
 468                         flags = tny_header_get_flags (cur);
 469
 470                         if (!(flags & TNY_HEADER_FLAG_CACHED)) {
 471                                 goto go_next;
 472                         }
 473
 474                         msg = tny_folder_get_msg (folder, cur, &err);
 475
 476                         if (err != NULL || msg == NULL) {
 477                                 g_warning ("%s: Could not get message.\n", __FUNCTION__);
 478                                 g_error_free (err);
 479
 480                                 if (msg) {
 481                                         g_object_unref (msg);
 482                                 }
 483                         } else {
 484                                 gchar *str;
 485                                 str = tny_header_dup_subject (cur);
 486                                 g_debug ("Searching in %s\n", str);
 487                                 g_free (str);
 488
 489                                 found = search_mime_part_and_child_parts (TNY_MIME_PART (msg),
 490                                                                           helper->search);
 491                                 if (found) {
 492                                         helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 493                                 }
 494                         }
 495
 496                         if (msg)
 497                                 g_object_unref (msg);
 498                 }
 499         go_next:
 500                 g_object_unref (cur);
 501                 tny_iterator_next (iter);
 502         }
 503
 504         /* Frees */
 505         g_object_unref (iter);
 506  end:
 507         if (headers)
 508                 g_object_unref (headers);
 509
 510         /* Check search finished */
 511         tny_list_remove (helper->all_folders, G_OBJECT (folder));
 512         if (tny_list_get_length (helper->all_folders) == 0) {
 513                 /* callback */
 514                 helper->callback (helper->msg_hits, helper->user_data);
 515
 516                 /* free helper */
 517                 g_object_unref (helper->all_folders);
 518                 g_list_free (helper->msg_hits);
 519                 g_slice_free (SearchHelper, helper);
 520         } else {
 521                 search_next_folder (helper);
 522         }
 523 }
 524
 525 static void
 526 _search_folder (TnyFolder *folder,
 527                 SearchHelper *helper)
 528 {
 529         TnyList *list = NULL;
 530
 531         g_debug ("%s: searching folder %s.", __FUNCTION__, tny_folder_get_name (folder));
 532
 533         /* Check that we should be searching this folder. */
 534         /* Note that we don't try to search sub-folders.
 535          * Maybe we should, but that should be specified. */
 536         if (helper->search->folder && strlen (helper->search->folder)) {
 537                 if (!strcmp (helper->search->folder, "outbox")) {
 538                         if (modest_tny_folder_guess_folder_type (folder) != TNY_FOLDER_TYPE_OUTBOX) {
 539                                 modest_search_folder_get_headers_cb (folder, TRUE, NULL, NULL, helper);
 540                                 return;
 541                         }
 542                 } else if (strcmp (tny_folder_get_id (folder), helper->search->folder) != 0) {
 543                         modest_search_folder_get_headers_cb (folder, TRUE, NULL, NULL, helper);
 544                         return;
 545                 }
 546         }
 547
 548 #ifdef MODEST_HAVE_OGS
 549         if (helper->search->flags & MODEST_SEARCH_USE_OGS) {
 550
 551                 if (helper->search->text_searcher == NULL && helper->search->query != NULL) {
 552                         OgsTextSearcher *text_searcher;
 553
 554                         text_searcher = ogs_text_searcher_new (FALSE);
 555                         ogs_text_searcher_parse_query (text_searcher, helper->search->query);
 556                         helper->search->text_searcher = text_searcher;
 557                 }
 558         }
 559 #endif
 560         list = tny_simple_list_new ();
 561         /* Get the headers */
 562         tny_folder_get_headers_async (folder, list, FALSE,
 563                                       modest_search_folder_get_headers_cb,
 564                                       NULL, helper);
 565 }
 566
 567 void
 568 modest_search_folder (TnyFolder *folder,
 569                       ModestSearch *search,
 570                       ModestSearchCallback callback,
 571                       gpointer user_data)
 572 {
 573         SearchHelper *helper;
 574
 575         /* Create the helper */
 576         helper = create_helper (callback, search, user_data);
 577
 578         /* Search */
 579         _search_folder (folder, helper);
 580 }
 581
 582 static void
 583 modest_search_account_get_folders_cb (TnyFolderStore *self,
 584                                       gboolean cancelled,
 585                                       TnyList *folders,
 586                                       GError *err,
 587                                       gpointer user_data)
 588 {
 589         TnyIterator *iter;
 590         SearchHelper *helper;
 591
 592         helper = (SearchHelper *) user_data;
 593
 594         if (err || cancelled) {
 595                 goto end;
 596         }
 597
 598         /* IMPORTANT: We need to get the headers of the folders one by
 599            one, because otherwise the get_headers_async calls are
 600            often canceled. That's why we firstly retrieve all folders,
 601            and then we search inside them one by one. sergio */
 602         iter = tny_list_create_iterator (folders);
 603         while (!tny_iterator_is_done (iter)) {
 604                 TnyFolder *folder = NULL;
 605
 606                 /* Search into folder */
 607                 folder = TNY_FOLDER (tny_iterator_get_current (iter));
 608                 tny_list_append (helper->all_folders, G_OBJECT (folder));
 609
 610                 /* Search into children. Could be a merge folder */
 611                 if (TNY_IS_FOLDER_STORE (folder)) {
 612                         TnyList *children = tny_simple_list_new ();
 613                         helper->pending_calls++;
 614                         tny_folder_store_get_folders_async (TNY_FOLDER_STORE (folder), children, NULL,
 615                                                             modest_search_account_get_folders_cb,
 616                                                             NULL, helper);
 617                 }
 618
 619                 g_object_unref (folder);
 620                 tny_iterator_next (iter);
 621         }
 622         g_object_unref (iter);
 623  end:
 624         /* Remove the "account" reference */
 625         helper->pending_calls--;
 626
 627         if (folders)
 628                 g_object_unref (folders);
 629
 630         /* If there are not more folders, begin to search from the first one */
 631         if (helper->pending_calls == 0) {
 632                 TnyIterator *iter = tny_list_create_iterator (helper->all_folders);
 633                 TnyFolder *first = TNY_FOLDER (tny_iterator_get_current (iter));
 634
 635                 _search_folder (first, helper);
 636
 637                 g_object_unref (first);
 638                 g_object_unref (iter);
 639         }
 640 }
 641
 642 static void
 643 _search_account (TnyAccount *account,
 644                  SearchHelper *helper)
 645 {
 646         TnyList *folders = tny_simple_list_new ();
 647
 648         g_debug ("%s: Searching account %s", __FUNCTION__, tny_account_get_name (account));
 649
 650         /* Add a "reference" to the folder total. This allows the code
 651            not to finalize the helper if an account is fully refreshed
 652            before we get the folders of the others */
 653         helper->pending_calls++;
 654
 655         /* Get folders */
 656         tny_folder_store_get_folders_async (TNY_FOLDER_STORE (account), folders, NULL,
 657                                             modest_search_account_get_folders_cb,
 658                                             NULL, helper);
 659 }
 660
 661 void
 662 modest_search_account (TnyAccount *account,
 663                        ModestSearch *search,
 664                        ModestSearchCallback callback,
 665                        gpointer user_data)
 666 {
 667         SearchHelper *helper;
 668
 669         /* Create the helper */
 670         helper = create_helper (callback, search, user_data);
 671
 672         /* Search */
 673         _search_account (account, helper);
 674 }
 675
 676 void
 677 modest_search_all_accounts (ModestSearch *search,
 678                             ModestSearchCallback callback,
 679                             gpointer user_data)
 680 {
 681         ModestTnyAccountStore *astore;
 682         TnyList *accounts;
 683         TnyIterator *iter;
 684         GList *hits;
 685         SearchHelper *helper;
 686
 687         hits = NULL;
 688         astore = modest_runtime_get_account_store ();
 689
 690         accounts = tny_simple_list_new ();
 691         tny_account_store_get_accounts (TNY_ACCOUNT_STORE (astore),
 692                                         accounts,
 693                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
 694
 695         /* Create the helper */
 696         helper = create_helper (callback, search, user_data);
 697
 698         /* Search through all accounts */
 699         iter = tny_list_create_iterator (accounts);
 700         while (!tny_iterator_is_done (iter)) {
 701                 TnyAccount *account = NULL;
 702
 703                 account = TNY_ACCOUNT (tny_iterator_get_current (iter));
 704                 _search_account (account, helper);
 705                 g_object_unref (account);
 706
 707                 tny_iterator_next (iter);
 708         }
 709         g_object_unref (iter);
 710         g_object_unref (accounts);
 711 }
 712
 713 static SearchHelper *
 714 create_helper (ModestSearchCallback callback,
 715                ModestSearch *search,
 716                gpointer user_data)
 717 {
 718         SearchHelper *helper;
 719
 720         helper = g_slice_new0 (SearchHelper);
 721         helper->pending_calls = 0;
 722         helper->search = search;
 723         helper->callback = callback;
 724         helper->user_data = user_data;
 725         helper->msg_hits = NULL;
 726         helper->all_folders = tny_simple_list_new ();
 727
 728         return helper;
 729 }
 730
 731 void
 732 modest_search_free (ModestSearch *search)
 733 {
 734         if (search->folder)
 735                 g_free (search->folder);
 736         if (search->subject)
 737                 g_free (search->subject);
 738         if (search->from)
 739                 g_free (search->from);
 740         if (search->recipient)
 741                 g_free (search->recipient);
 742         if (search->body)
 743                 g_free (search->body);
 744
 745 #ifdef MODEST_HAVE_OGS
 746         if (search->query)
 747                 g_free (search->query);
 748         if (search->text_searcher)
 749                 ogs_text_searcher_free (search->text_searcher);
 750 #endif
 751 }