tox-weechat/src/tox-weechat-friend-requests.c

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/*
* Copyright (c) 2014 Håvard Pettersson <haavard.pettersson@gmail.com>
*
* This file is part of Tox-WeeChat.
*
* Tox-WeeChat 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 3 of the License, or
* (at your option) any later version.
*
* Tox-WeeChat 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 Tox-WeeChat. If not, see <http://www.gnu.org/licenses/>.
*/
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#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <weechat/weechat-plugin.h>
#include <tox/tox.h>
#include "tox-weechat.h"
#include "tox-weechat-identities.h"
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#include "tox-weechat-utils.h"
#include "tox-weechat-friend-requests.h"
/**
* Add a new friend request to an identity.
*
* Returns 0 on success, -1 on a full friend list.
*/
int
tox_weechat_friend_request_add(struct t_tox_weechat_identity *identity,
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const uint8_t *client_id,
const char *message)
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{
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// check friend request count
struct t_config_option *option =
identity->options[TOX_WEECHAT_IDENTITY_OPTION_MAX_FRIEND_REQUESTS];
unsigned int max_requests = weechat_config_integer(option);
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if (identity->friend_request_count >= max_requests)
return -1;
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struct t_tox_weechat_friend_request *request = malloc(sizeof(*request));
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request->identity = identity;
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request->message = strdup(message);
memcpy(request->tox_id, client_id, TOX_CLIENT_ID_SIZE);
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// add to list
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request->prev_request = identity->last_friend_request;
request->next_request = NULL;
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if (identity->friend_requests == NULL)
identity->friend_requests = request;
else
identity->last_friend_request->next_request = request;
identity->last_friend_request = request;
++(identity->friend_request_count);
return 0;
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}
/**
* Remove and free a friend request from its identity.
*/
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void
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tox_weechat_friend_request_remove(struct t_tox_weechat_friend_request *request)
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{
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struct t_tox_weechat_identity *identity = request->identity; if (request == identity->last_friend_request)
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identity->last_friend_request = request->prev_request;
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if (request->prev_request)
request->prev_request->next_request = request->next_request;
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else
identity->friend_requests = request->next_request;
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if (request->next_request)
request->next_request->prev_request = request->prev_request;
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--(identity->friend_request_count);
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tox_weechat_friend_request_free(request);
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}
/**
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* Accept a friend request. Remove and free the request.
*/
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void
tox_weechat_accept_friend_request(struct t_tox_weechat_friend_request *request)
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{
tox_add_friend_norequest(request->identity->tox, request->tox_id);
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tox_weechat_friend_request_remove(request);
}
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/**
* Decline a friend request. Remove and free the request.
*/
void
tox_weechat_decline_friend_request(struct t_tox_weechat_friend_request *request)
{
tox_weechat_friend_request_remove(request);
}
/**
* Return the friend request from the identity with the number num.
*/
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struct t_tox_weechat_friend_request *
tox_weechat_friend_request_with_num(struct t_tox_weechat_identity *identity,
unsigned int num)
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{
if (num >= identity->friend_request_count) return NULL;
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unsigned int i = 0;
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struct t_tox_weechat_friend_request *request = identity->friend_requests;
while (i != num && request->next_request)
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{
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request = request->next_request;
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++i;
}
return request;
}
/**
* Free a friend request.
*/
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void
tox_weechat_friend_request_free(struct t_tox_weechat_friend_request *request)
{
free(request->message);
free(request);
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}
/**
* Free all friend requests from an identity.
*/
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void
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tox_weechat_friend_request_free_identity(struct t_tox_weechat_identity *identity)
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{
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while (identity->friend_requests)
tox_weechat_friend_request_remove(identity->friend_requests);
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}