claws-mail/src/plugins/rssyl/rssyl_update_format.c

297 lines
8.4 KiB
C

/*
* Copyright (C) 2006 Andrej Kacian <andrej@kacian.sk>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* Global includes */
#include <glib/gi18n.h>
#include <gtk/gtk.h>
/* Claws Mail includes */
#include <alertpanel.h>
#include <folder_item_prefs.h>
#include <log.h>
#include <mainwindow.h>
#include <matcher.h>
#include <msgcache.h>
/* Local includes */
#include "old_feeds.h"
#include "rssyl.h"
#include "rssyl_feed.h"
#include "strutils.h"
struct _RUpdateFormatCtx {
FolderItem *o_prev;
FolderItem *o_parent;
FolderItem *n_prev;
FolderItem *n_parent;
Folder *n_first;
GSList *oldfeeds;
GSList *oldroots;
gboolean reached_first_new;
};
typedef struct _RUpdateFormatCtx RUpdateFormatCtx;
extern FolderClass rssyl_class;
static void rssyl_update_format_move_contents(FolderItem *olditem,
FolderItem *newitem);
static gchar *_old_rssyl_item_get_path(Folder *folder, FolderItem *item);
static void _delete_old_roots_func(gpointer data, gpointer user_data);
static void rssyl_update_format_func(FolderItem *item, gpointer data)
{
RFolderItem *ritem;
RUpdateFormatCtx *ctx = (RUpdateFormatCtx *)data;
Folder *f = NULL;
FolderItem *new_item = NULL;
gchar *name;
OldRFeed *of;
if( !IS_RSSYL_FOLDER_ITEM(item) )
return;
/* Do not do anything once we reached first new folder
* (which we created earlier in this process) */
if( ctx->reached_first_new )
return;
if( item->folder == ctx->n_first ) {
ctx->reached_first_new = TRUE;
debug_print("RSSyl: (FORMAT) reached first new folder\n");
return;
}
debug_print("RSSyl: (FORMAT) item '%s'\n", item->name);
if( folder_item_parent(item) == NULL ) {
/* Root rssyl folder */
ctx->oldroots = g_slist_prepend(ctx->oldroots, item);
/* Create its counterpart */
name = rssyl_strreplace(folder_item_get_name(item), " (RSSyl)", "");
debug_print("RSSyl: (FORMAT) adding new root folder '%s'\n", name);
f = folder_new(rssyl_folder_get_class(), name, NULL);
g_free(name);
g_return_if_fail(f != NULL);
folder_add(f);
folder_write_list();
new_item = FOLDER_ITEM(f->node->data);
/* If user has more than one old rssyl foldertrees, keep the n_first
* pointer at the beginning of first one. */
if (ctx->n_first == NULL)
ctx->n_first = f;
ctx->n_parent = new_item;
} else {
/* Non-root folder */
if (folder_item_parent(item) == ctx->o_prev) {
/* We went one step deeper in folder hierarchy, adjust pointers
* to parents */
ctx->o_parent = ctx->o_prev;
ctx->n_parent = ctx->n_prev;
} else if (folder_item_parent(item) != ctx->o_parent) {
/* We are not in same folder anymore, which can only mean we have
* moved up in the hierarchy. Find a correct parent */
while (folder_item_parent(item) != ctx->o_parent) {
ctx->o_parent = folder_item_parent(ctx->o_parent);
ctx->n_parent = folder_item_parent(ctx->n_parent);
if (ctx->o_parent == NULL) {
/* This shouldn't happen, unless we are magically moved to a
* completely different folder structure */
debug_print("RSSyl: MISHAP WHILE UPGRADING STORAGE FORMAT: couldn't find folder parent\n");
alertpanel_error(_("Internal problem while upgrading storage format. This should not happen. Please report this, with debug output attached.\n"));
return;
}
}
} else {
/* We have remained in the same subfolder, nothing to do here */
}
debug_print("RSSyl: (FORMAT) adding folder '%s'\n", item->name);
new_item = folder_create_folder(ctx->n_parent, item->name);
if (new_item == NULL) {
debug_print("RSSyl: (FORMAT) couldn't add folder '%s', skipping it\n",
item->name);
return;
}
of = rssyl_old_feed_get_by_name(ctx->oldfeeds, item->name);
if (of != NULL && of->url != NULL) {
/* Folder with an actual subscribed feed */
debug_print("RSSyl: (FORMAT) making '%s' a feed with URL '%s'\n",
item->name, of->url);
ritem = (RFolderItem *)new_item;
ritem->url = g_strdup(of->url);
rssyl_feed_start_refresh_timeout(ritem);
ritem->official_title = g_strdup(of->official_name);
ritem->default_refresh_interval =
(of->default_refresh_interval != 0 ? TRUE : FALSE);
ritem->refresh_interval = of->refresh_interval;
ritem->keep_old = (of->expired_num > -1 ? TRUE : FALSE);
ritem->fetch_comments =
(of->fetch_comments != 0 ? TRUE : FALSE);
ritem->fetch_comments_max_age = of->fetch_comments_for;
ritem->silent_update = of->silent_update;
ritem->ssl_verify_peer = of->ssl_verify_peer;
folder_item_prefs_copy_prefs(item, &ritem->item);
}
rssyl_update_format_move_contents(item, new_item);
/* destroy the new folder's cache so we'll re-read the migrated one */
if (new_item->cache) {
msgcache_destroy(new_item->cache);
new_item->cache = NULL;
}
/* Store folderlist with the new folder */
folder_item_scan(new_item);
folder_write_list();
}
ctx->o_prev = item;
ctx->n_prev = new_item;
}
void rssyl_update_format()
{
RUpdateFormatCtx *ctx = NULL;
GSList *oldfeeds;
gchar *old_feeds_xml = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
RSSYL_DIR, G_DIR_SEPARATOR_S, "feeds.xml", NULL);
if (!g_file_test(old_feeds_xml,
G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
g_free(old_feeds_xml);
return;
}
debug_print("RSSyl: Old format found, updating.\n");
oldfeeds = rssyl_old_feed_metadata_parse(old_feeds_xml);
/* We find all rssyl root folders and perform magic on each */
ctx = g_new0(RUpdateFormatCtx, 1);
ctx->o_prev = NULL;
ctx->o_parent = NULL;
ctx->n_prev = NULL;
ctx->n_parent = NULL;
ctx->n_first = NULL;
ctx->oldfeeds = oldfeeds;
ctx->oldroots = NULL;
ctx->reached_first_new = FALSE;
folder_item_update_freeze();
/* Go through all RSSyl folders, making new copies */
folder_func_to_all_folders((FolderItemFunc)rssyl_update_format_func, ctx);
g_slist_foreach(ctx->oldroots, _delete_old_roots_func, NULL);
g_slist_free(ctx->oldroots);
prefs_matcher_write_config();
folder_write_list();
folder_item_update_thaw();
g_free(ctx);
if (g_remove(old_feeds_xml) != 0) {
debug_print("RSSyl: Couldn't delete '%s'\n", old_feeds_xml);
}
g_free(old_feeds_xml);
}
static void _delete_old_roots_func(gpointer data, gpointer user_data)
{
FolderItem *item = (FolderItem *)data;
folder_destroy(item->folder);
}
/* Copy each item in a feed to the new directory */
static void rssyl_update_format_move_contents(FolderItem *olditem,
FolderItem *newitem)
{
gchar *oldpath, *newpath, *fname, *fpath, *nfpath;
GDir *d = NULL;
GError *error = NULL;
oldpath = _old_rssyl_item_get_path(NULL, olditem);
newpath = folder_item_get_path(newitem);
if ((d = g_dir_open(oldpath, 0, &error)) == NULL) {
debug_print("RSSyl: (FORMAT) couldn't open dir '%s': %s\n", oldpath,
error->message);
g_error_free(error);
return;
}
debug_print("RSSyl: (FORMAT) moving contents of '%s' to '%s'\n",
oldpath, newpath);
while ((fname = (gchar *)g_dir_read_name(d)) != NULL) {
gboolean migrate_file = to_number(fname) > 0 || strstr(fname, ".claws_") == fname;
fpath = g_strconcat(oldpath, G_DIR_SEPARATOR_S, fname, NULL);
if (migrate_file && g_file_test(fpath, G_FILE_TEST_IS_REGULAR)) {
nfpath = g_strconcat(newpath, G_DIR_SEPARATOR_S, fname, NULL);
move_file(fpath, nfpath, FALSE);
g_free(nfpath);
}
if (g_remove(fpath) != 0) {
debug_print("RSSyl: (FORMAT) couldn't delete '%s'\n", fpath);
}
g_free(fpath);
}
g_dir_close(d);
g_rmdir(oldpath);
g_free(oldpath);
g_free(newpath);
}
static gchar *_old_rssyl_item_get_path(Folder *folder, FolderItem *item)
{
gchar *result, *tmp;
if (folder_item_parent(item) == NULL)
return g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RSSYL_DIR, NULL);
tmp = rssyl_strreplace(item->name, "/", "\\");
result = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RSSYL_DIR,
G_DIR_SEPARATOR_S, tmp, NULL);
g_free(tmp);
return result;
}