/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-nntp-folder.c : Abstract class for an email folder */
/*
* Author : Chris Toshok <toshok@ximian.com>
*
* Copyright (C) 2000 Ximian .
*
* 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
*/
#include <config.h>
#include <stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include "camel-folder-summary.h"
#include "camel-nntp-resp-codes.h"
#include "camel-nntp-store.h"
#include "camel-nntp-folder.h"
#include "camel-nntp-store.h"
#include "camel-nntp-utils.h"
#include "string-utils.h"
#include "camel-stream-mem.h"
#include "camel-data-wrapper.h"
#include "camel-mime-message.h"
#include "camel-folder-summary.h"
#include "camel-folder-search.h"
#include "camel-exception.h"
static CamelFolderClass *parent_class=NULL;
/* Returns the class for a CamelNNTPFolder */
#define CNNTPF_CLASS(so) CAMEL_NNTP_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
#define CNNTPS_CLASS(so) CAMEL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so))
static void
nntp_folder_sync (CamelFolder *folder, gboolean expunge,
CamelException *ex)
{
CamelNNTPStore *store;
camel_folder_summary_save (folder->summary);
store = CAMEL_NNTP_STORE (camel_folder_get_parent_store (folder));
if (store->newsrc)
camel_nntp_newsrc_write (store->newsrc);
}
static void
nntp_folder_set_message_flags (CamelFolder *folder, const char *uid,
guint32 flags, guint32 set)
{
((CamelFolderClass *)parent_class)->set_message_flags(folder, uid, flags, set);
if (flags & set & CAMEL_MESSAGE_SEEN) {
int article_num;
CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (camel_folder_get_parent_store (folder));
sscanf (uid, "%d", &article_num);
camel_nntp_newsrc_mark_article_read (nntp_store->newsrc,
folder->name,
article_num);
}
}
static CamelMimeMessage *
nntp_folder_get_message (CamelFolder *folder, const gchar *uid, CamelException *ex)
{
CamelStream *message_stream = NULL;
CamelMimeMessage *message = NULL;
CamelStore *parent_store;
char *buf;
int buf_len;
int buf_alloc;
int status;
gboolean done;
char *message_id;
/* get the parent store */
parent_store = camel_folder_get_parent_store (folder);
message_id = strchr (uid, ',') + 1;
status = camel_nntp_command (CAMEL_NNTP_STORE( parent_store ), ex, NULL, "ARTICLE %s", message_id);
/* if the message_id was not found, raise an exception and return */
if (status == NNTP_NO_SUCH_ARTICLE) {
camel_exception_setv (ex,
CAMEL_EXCEPTION_FOLDER_INVALID_UID,
_("Message %s not found."),
message_id);
return NULL;
}
else if (status != NNTP_ARTICLE_FOLLOWS) {
/* XXX */
g_warning ("weird nntp error %d\n", status);
return NULL;
}
/* this could probably done fairly easily with an nntp stream that
returns eof after '.' */
/* XXX ick ick ick. read the entire message into a buffer and
then create a stream_mem for it. */
buf_alloc = 2048;
buf_len = 0;
buf = g_malloc(buf_alloc);
done = FALSE;
buf[0] = 0;
while (!done) {
int line_length;
char *line;
if (camel_remote_store_recv_line (CAMEL_REMOTE_STORE (parent_store), &line, ex) < 0) {
g_warning ("recv_line failed while building message\n");
break;
}
/* XXX check exception */
line_length = strlen ( line );
if (!strcmp(line, ".")) {
done = TRUE;
g_free (line);
}
else {
if (buf_len + line_length > buf_alloc) {
buf_alloc *= 2;
buf = g_realloc (buf, buf_alloc);
}
strcat(buf, line);
strcat(buf, "\n");
buf_len += strlen(line) + 1;
g_free (line);
}
}
/* create a stream bound to the message */
message_stream = camel_stream_mem_new_with_buffer(buf, buf_len);
message = camel_mime_message_new ();
camel_data_wrapper_construct_from_stream (CAMEL_DATA_WRAPPER(message), message_stream);
camel_object_unref (CAMEL_OBJECT (message_stream));
#if 0
gtk_signal_connect (CAMEL_OBJECT (message), "message_changed", message_changed, folder);
#endif
g_free (buf);
return message;
}
static GPtrArray*
nntp_folder_search_by_expression (CamelFolder *folder, const char *expression, CamelException *ex)
{
CamelNNTPFolder *nntp_folder = CAMEL_NNTP_FOLDER (folder);
GPtrArray *matches, *summary;
if(nntp_folder->search == NULL)
nntp_folder->search = camel_folder_search_new();
camel_folder_search_set_folder(nntp_folder->search, folder);
summary = camel_folder_get_summary(folder);
camel_folder_search_set_summary(nntp_folder->search, summary);
matches = camel_folder_search_execute_expression(nntp_folder->search, expression, ex);
camel_folder_free_summary(folder, summary);
return matches;
}
static void
nntp_folder_search_free(CamelFolder *folder, GPtrArray *result)
{
CamelNNTPFolder *nntp_folder = CAMEL_NNTP_FOLDER (folder);
camel_folder_search_free_result(nntp_folder->search, result);
}
static void
nntp_folder_finalize (CamelObject *object)
{
CamelNNTPFolder *nntp_folder = CAMEL_NNTP_FOLDER (object);
g_free (nntp_folder->summary_file_path);
}
static void
camel_nntp_folder_class_init (CamelNNTPFolderClass *camel_nntp_folder_class)
{
CamelFolderClass *camel_folder_class = CAMEL_FOLDER_CLASS (camel_nntp_folder_class);
parent_class = CAMEL_FOLDER_CLASS (camel_type_get_global_classfuncs (camel_folder_get_type ()));
/* virtual method definition */
/* virtual method overload */
camel_folder_class->sync = nntp_folder_sync;
camel_folder_class->set_message_flags = nntp_folder_set_message_flags;
camel_folder_class->get_message = nntp_folder_get_message;
camel_folder_class->search_by_expression = nntp_folder_search_by_expression;
camel_folder_class->search_free = nntp_folder_search_free;
}
CamelType
camel_nntp_folder_get_type (void)
{
static CamelType camel_nntp_folder_type = CAMEL_INVALID_TYPE;
if (camel_nntp_folder_type == CAMEL_INVALID_TYPE) {
camel_nntp_folder_type = camel_type_register (CAMEL_FOLDER_TYPE, "CamelNNTPFolder",
sizeof (CamelNNTPFolder),
sizeof (CamelNNTPFolderClass),
(CamelObjectClassInitFunc) camel_nntp_folder_class_init,
NULL,
(CamelObjectInitFunc) NULL,
(CamelObjectFinalizeFunc) nntp_folder_finalize);
}
return camel_nntp_folder_type;
}
CamelFolder *
camel_nntp_folder_new (CamelStore *parent, const char *folder_name, CamelException *ex)
{
CamelFolder *folder = CAMEL_FOLDER (camel_object_new (CAMEL_NNTP_FOLDER_TYPE));
CamelNNTPFolder *nntp_folder = CAMEL_NNTP_FOLDER (folder);
const gchar *root_dir_path;
camel_folder_construct (folder, parent, folder_name, folder_name);
folder->has_summary_capability = TRUE;
folder->has_search_capability = TRUE;
root_dir_path = camel_nntp_store_get_toplevel_dir (CAMEL_NNTP_STORE(folder->parent_store));
nntp_folder->summary_file_path = g_strdup_printf ("%s/%s-ev-summary",
root_dir_path,
folder->name);
folder->summary = camel_folder_summary_new ();
camel_folder_summary_set_filename (folder->summary,
nntp_folder->summary_file_path);
camel_folder_summary_load (folder->summary);
camel_nntp_get_headers (CAMEL_FOLDER( folder )->parent_store,
nntp_folder, ex);
if (camel_exception_get_id (ex)) {
camel_object_unref (CAMEL_OBJECT (folder));
return NULL;
}
/* XXX check return value */
camel_folder_summary_save (folder->summary);
return folder;
}
