lbbs/src/user_list_display.c

/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
 * user_list_display
 *   - user interactive list of (online) users
 *
 * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "common.h"
#include "io.h"
#include "log.h"
#include "login.h"
#include "screen.h"
#include "str_process.h"
#include "user_list.h"
#include "user_priv.h"
#include "user_info_display.h"
#include "user_list_display.h"
#include <ctype.h>
#include <string.h>
#include <time.h>
#include <sys/param.h>

enum select_cmd_t
{
        EXIT_LIST = 0,
        VIEW_USER,
        CHANGE_PAGE,
        REFRESH_LIST,
        SHOW_HELP,
        SEARCH_USER,
};

static int user_list_draw_screen(int online_user)
{
        clearscr();
        show_top((online_user ? "[线上使用者]" : "[已注册用户]"), BBS_name, "");
        moveto(2, 0);
        prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
                   "查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 查找[\033[1;32ms\033[0;37m] "
                   "帮助[\033[1;32mh\033[0;37m]\033[m");
        moveto(3, 0);

        if (online_user)
        {
                prints("\033[44;37m \033[1;37m 编  号  用户名       昵称                 在线时长 空闲   最后活动            \033[m");
        }
        else
        {
                prints("\033[44;37m \033[1;37m 编  号  用户名       昵称                 上次登陆距今                        \033[m");
        }

        return 0;
}

static int user_list_draw_items(int page_id, USER_INFO *p_users, int user_count)
{
        char str_time_login[LINE_BUFFER_LEN];
        time_t tm_now;
        time_t tm_duration;
        struct tm *p_tm;
        int i;

        clrline(4, 23);

        time(&tm_now);

        for (i = 0; i < user_count; i++)
        {
                tm_duration = tm_now - p_users[i].last_login_dt;
                p_tm = gmtime(&tm_duration);
                if (p_tm == NULL)
                {
                        log_error("Invalid time duration\n");
                        str_time_login[0] = '\0';
                }
                else if (p_tm->tm_year > 70)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d年%d天", p_tm->tm_year - 70, p_tm->tm_yday);
                }
                else if (p_tm->tm_yday > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d天", p_tm->tm_yday);
                }
                else if (p_tm->tm_hour > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
                }
                else
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
                }

                moveto(4 + i, 1);

                prints("  %6d  %s%*s %s%*s %s",
                           p_users[i].id + 1,
                           p_users[i].username,
                           BBS_username_max_len - str_length(p_users[i].username, 1),
                           "",
                           p_users[i].nickname,
                           BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
                           "",
                           str_time_login);
        }

        return 0;
}

static int user_online_list_draw_items(int page_id, USER_ONLINE_INFO *p_users, int user_count)
{
        char str_time_login[LINE_BUFFER_LEN];
        char str_time_idle[LINE_BUFFER_LEN];
        const char *p_action_title;
        time_t tm_now;
        time_t tm_duration;
        struct tm *p_tm;
        int i;

        clrline(4, 23);

        time(&tm_now);

        for (i = 0; i < user_count; i++)
        {
                tm_duration = tm_now - p_users[i].login_tm;
                p_tm = gmtime(&tm_duration);
                if (p_tm == NULL)
                {
                        log_error("Invalid time duration\n");
                        str_time_login[0] = '\0';
                }
                else if (p_tm->tm_yday > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%dd%dh", p_tm->tm_yday, p_tm->tm_hour);
                }
                else if (p_tm->tm_hour > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
                }
                else
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
                }

                tm_duration = tm_now - p_users[i].last_tm;
                p_tm = gmtime(&tm_duration);
                if (p_tm == NULL)
                {
                        log_error("Invalid time duration\n");
                        str_time_idle[0] = '\0';
                }
                else if (p_tm->tm_min > 0)
                {
                        snprintf(str_time_idle, sizeof(str_time_idle),
                                         "%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
                }
                else
                {
                        snprintf(str_time_idle, sizeof(str_time_idle),
                                         "%d\"", p_tm->tm_sec);
                }

                p_action_title = (p_users[i].current_action_title != NULL
                                                          ? p_users[i].current_action_title
                                                          : p_users[i].current_action);

                moveto(4 + i, 1);

                prints("  %6d  %s%*s %s%*s %s%*s %s%*s %s",
                           p_users[i].id + 1,
                           p_users[i].user_info.username,
                           BBS_username_max_len - str_length(p_users[i].user_info.username, 1),
                           "",
                           p_users[i].user_info.nickname,
                           BBS_nickname_max_len / 2 - str_length(p_users[i].user_info.nickname, 1),
                           "",
                           str_time_login,
                           8 - str_length(str_time_login, 1),
                           "",
                           str_time_idle,
                           6 - str_length(str_time_idle, 1),
                           "",
                           p_action_title);
        }

        return 0;
}

static enum select_cmd_t user_list_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
{
        int old_page_id = *p_page_id;
        int old_selected_index = *p_selected_index;
        int ch;

        if (item_count > 0 && *p_selected_index >= 0)
        {
                moveto(4 + *p_selected_index, 1);
                outc('>');
                iflush();
        }

        while (!SYS_server_exit)
        {
                ch = igetch(100);

                if (ch != KEY_NULL && ch != KEY_TIMEOUT)
                {
                        BBS_last_access_tm = time(NULL);

                        // Refresh current action
                        if (user_online_update(NULL) < 0)
                        {
                                log_error("user_online_update(NULL) error\n");
                        }
                }

                switch (ch)
                {
                case KEY_NULL: // broken pipe
                        log_error("KEY_NULL\n");
                case KEY_ESC:
                case KEY_LEFT:
                        return EXIT_LIST; // exit list
                case KEY_TIMEOUT:
                        if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
                        {
                                log_error("User input timeout\n");
                                return EXIT_LIST; // exit list
                        }
                        continue;
                case CR:
                case KEY_RIGHT:
                        if (item_count > 0)
                        {
                                return VIEW_USER;
                        }
                        break;
                case KEY_HOME:
                        *p_page_id = 0;
                case 'P':
                case KEY_PGUP:
                        *p_selected_index = 0;
                case 'k':
                case KEY_UP:
                        if (*p_selected_index <= 0)
                        {
                                if (*p_page_id > 0)
                                {
                                        (*p_page_id)--;
                                        *p_selected_index = BBS_user_limit_per_page - 1;
                                }
                                else if (ch == KEY_UP || ch == 'k') // Rotate to the tail of list
                                {
                                        if (total_page > 0)
                                        {
                                                *p_page_id = total_page - 1;
                                        }
                                        if (item_count > 0)
                                        {
                                                *p_selected_index = item_count - 1;
                                        }
                                }
                        }
                        else
                        {
                                (*p_selected_index)--;
                        }
                        break;
                case '$':
                case KEY_END:
                        if (total_page > 0)
                        {
                                *p_page_id = total_page - 1;
                        }
                case 'N':
                case KEY_PGDN:
                        if (item_count > 0)
                        {
                                *p_selected_index = item_count - 1;
                        }
                case 'j':
                case KEY_DOWN:
                        if (*p_selected_index + 1 >= item_count) // next page
                        {
                                if (*p_page_id + 1 < total_page)
                                {
                                        (*p_page_id)++;
                                        *p_selected_index = 0;
                                }
                                else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of list
                                {
                                        *p_page_id = 0;
                                        *p_selected_index = 0;
                                }
                        }
                        else
                        {
                                (*p_selected_index)++;
                        }
                        break;
                case 's':
                        return SEARCH_USER;
                case KEY_F5:
                        return REFRESH_LIST;
                case 'h':
                        return SHOW_HELP;
                default:
                        break;
                }

                if (old_page_id != *p_page_id)
                {
                        return CHANGE_PAGE;
                }

                if (item_count > 0 && old_selected_index != *p_selected_index)
                {
                        if (old_selected_index >= 0)
                        {
                                moveto(4 + old_selected_index, 1);
                                outc(' ');
                        }
                        if (*p_selected_index >= 0)
                        {
                                moveto(4 + *p_selected_index, 1);
                                outc('>');
                        }
                        iflush();

                        old_selected_index = *p_selected_index;
                }
        }

        return EXIT_LIST;
}

int user_list_display(int online_user)
{
        char page_info_str[LINE_BUFFER_LEN];
        USER_INFO users[BBS_user_limit_per_page];
        USER_ONLINE_INFO online_users[BBS_user_limit_per_page];
        int user_count = 0;
        int page_count = 0;
        int page_id = 0;
        int selected_index = 0;
        int ret = 0;

        user_list_draw_screen(online_user);

        if (online_user)
        {
                ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
                if (ret < 0)
                {
                        log_error("query_user_online_list(page_id=%d) error\n", page_id);
                        return -2;
                }
        }
        else
        {
                ret = query_user_list(page_id, users, &user_count, &page_count);
                if (ret < 0)
                {
                        log_error("query_user_list(page_id=%d) error\n", page_id);
                        return -2;
                }
        }

        if (user_count == 0) // empty list
        {
                selected_index = 0;
        }

        while (!SYS_server_exit)
        {
                if (online_user)
                {
                        ret = user_online_list_draw_items(page_id, online_users, user_count);
                        if (ret < 0)
                        {
                                log_error("user_online_list_draw_items(page_id=%d) error\n", page_id);
                                return -3;
                        }
                }
                else
                {
                        ret = user_list_draw_items(page_id, users, user_count);
                        if (ret < 0)
                        {
                                log_error("user_list_draw_items(page_id=%d) error\n", page_id);
                                return -3;
                        }
                }

                snprintf(page_info_str, sizeof(page_info_str),
                                 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
                                 page_id + 1, MAX(page_count, 1));

                show_bottom(page_info_str);
                iflush();

                if (user_online_update(online_user ? "USER_ONLINE" : "USER_LIST") < 0)
                {
                        log_error("user_online_update(%s) error\n",
                                          (online_user ? "USER_ONLINE" : "USER_LIST"));
                }

                ret = user_list_select(page_count, user_count, &page_id, &selected_index);
                switch (ret)
                {
                case EXIT_LIST:
                        return 0;
                case REFRESH_LIST:
                case CHANGE_PAGE:
                        if (online_user)
                        {
                                ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
                                if (ret < 0)
                                {
                                        log_error("query_user_online_list(page_id=%d) error\n", page_id);
                                        return -2;
                                }
                        }
                        else
                        {
                                ret = query_user_list(page_id, users, &user_count, &page_count);
                                if (ret < 0)
                                {
                                        log_error("query_user_list(page_id=%d) error\n", page_id);
                                        return -2;
                                }
                        }

                        if (user_count == 0) // empty list
                        {
                                selected_index = 0;
                        }
                        else if (selected_index >= user_count)
                        {
                                selected_index = user_count - 1;
                        }
                        break;
                case VIEW_USER:
                        user_info_display(online_user ? &(online_users[selected_index].user_info) : &(users[selected_index]));
                        user_list_draw_screen(online_user);
                        break;
                case SEARCH_USER:
                        user_list_search();
                        user_list_draw_screen(online_user);
                        break;
                case SHOW_HELP:
                        // Display help information
                        display_file(DATA_READ_HELP, 1);
                        user_list_draw_screen(online_user);
                        break;
                default:
                        log_error("Unknown command %d\n", ret);
                }
        }

        return 0;
}

int user_list_search(void)
{
        const int users_per_line = 5;
        const int max_user_lines = 20;
        const int max_user_cnt = users_per_line * max_user_lines + 1;

        char username[BBS_username_max_len + 1];
        int32_t uid_list[max_user_cnt];
        char username_list[max_user_cnt][BBS_username_max_len + 1];
        int ret;
        int i;
        USER_INFO user_info;
        char user_intro[BBS_user_intro_max_len + 1];
        int ok;
        int ch;

        username[0] = '\0';

        clearscr();

        while (!SYS_server_exit)
        {
                clrline(3, SCREEN_ROWS);
                get_data(2, 1, "查找谁: ", username, sizeof(username), BBS_username_max_len);

                if (username[0] == '\0')
                {
                        return 0;
                }

                // Verify format
                for (i = 0, ok = 1; ok && username[i] != '\0'; i++)
                {
                        if (!(isalpha((int)username[i]) || (i > 0 && (isdigit((int)username[i]) || username[i] == '_'))))
                        {
                                ok = 0;
                        }
                }
                if (ok && i > BBS_username_max_len)
                {
                        ok = 0;
                }
                if (!ok)
                {
                        moveto(3, 1);
                        clrtoeol();
                        prints("用户名格式非法");
                        continue;
                }

                clrline(3, SCREEN_ROWS);

                ret = query_user_info_by_username(username, max_user_cnt, uid_list, username_list);

                if (ret < 0)
                {
                        log_error("query_user_info_by_username(%s) error\n", username);
                        return -1;
                }
                else if (ret > 1)
                {
                        for (i = 0; i < MIN(ret, users_per_line * max_user_lines); i++)
                        {
                                moveto(4 + i / users_per_line, 3 + i % users_per_line * (BBS_username_max_len + 3));
                                prints("%s", username_list[i]);
                        }
                        moveto(SCREEN_ROWS, 1);
                        if (ret > users_per_line * max_user_lines)
                        {
                                prints("还有更多...");
                        }

                        moveto(3, 1);
                        prints("存在多个匹配的用户，按\033[1;33mEnter\033[m精确查找");
                        iflush();

                        ch = igetch_t(BBS_max_user_idle_time);
                        switch (ch)
                        {
                        case KEY_NULL:
                        case KEY_TIMEOUT:
                                return -1;
                        case KEY_ESC:
                                return 0;
                        case CR:
                                ret = (strcasecmp(username_list[0], username) == 0 ? 1 : 0);
                                break;
                        default:
                                i = (int)strnlen(username, sizeof(username) - 1);
                                if (i + 1 <= BBS_username_max_len && (isalnum(ch) || ch == '_'))
                                {
                                        username[i] = (char)ch;
                                        username[i + 1] = '\0';
                                }
                                continue;
                        }
                }

                clrline(3, SCREEN_ROWS);
                if (ret == 0)
                {
                        moveto(3, 1);
                        prints("没有找到符合条件的用户");
                        press_any_key();
                        return 0;
                }
                else // ret == 1
                {
                        if (query_user_info_by_uid(uid_list[0], &user_info, user_intro, sizeof(user_intro)) <= 0)
                        {
                                log_error("query_user_info_by_uid(uid=%d) error\n", uid_list[0]);
                                return -2;
                        }
                        else if (user_info_display(&user_info) < 0)
                        {
                                log_error("user_info_display(uid=%d) error\n", uid_list[0]);
                                return -3;
                        }
                        return 1;
                }
        }

        return 0;
}
1	sysadm	1.20	/* SPDX-License-Identifier: GPL-3.0-or-later */
2			/*
3			* user_list_display
4			* - user interactive list of (online) users
5			*
6	sysadm	1.21	* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7	sysadm	1.20	*/
8	sysadm	1.1
9	sysadm	1.23	#ifdef HAVE_CONFIG_H
10			#include "config.h"
11			#endif
12
13	sysadm	1.1	#include "common.h"
14			#include "io.h"
15			#include "log.h"
16			#include "login.h"
17			#include "screen.h"
18			#include "str_process.h"
19			#include "user_list.h"
20			#include "user_priv.h"
21	sysadm	1.12	#include "user_info_display.h"
22	sysadm	1.1	#include "user_list_display.h"
23	sysadm	1.14	#include <ctype.h>
24	sysadm	1.1	#include <string.h>
25			#include <time.h>
26			#include <sys/param.h>
27
28			enum select_cmd_t
29			{
30			EXIT_LIST = 0,
31			VIEW_USER,
32			CHANGE_PAGE,
33	sysadm	1.4	REFRESH_LIST,
34	sysadm	1.1	SHOW_HELP,
35	sysadm	1.14	SEARCH_USER,
36	sysadm	1.1	};
37
38	sysadm	1.3	static int user_list_draw_screen(int online_user)
39	sysadm	1.1	{
40			clearscr();
41	sysadm	1.5	show_top((online_user ? "[线上使用者]" : "[已注册用户]"), BBS_name, "");
42	sysadm	1.1	moveto(2, 0);
43			prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
44	sysadm	1.14	"查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 查找[\033[1;32ms\033[0;37m] "
45			"帮助[\033[1;32mh\033[0;37m]\033[m");
46	sysadm	1.1	moveto(3, 0);
47	sysadm	1.3
48			if (online_user)
49			{
50			prints("\033[44;37m \033[1;37m 编号用户名昵称在线时长空闲最后活动 \033[m");
51			}
52			else
53			{
54			prints("\033[44;37m \033[1;37m 编号用户名昵称上次登陆距今 \033[m");
55			}
56	sysadm	1.1
57			return 0;
58			}
59
60	sysadm	1.3	static int user_list_draw_items(int page_id, USER_INFO *p_users, int user_count)
61	sysadm	1.1	{
62	sysadm	1.3	char str_time_login[LINE_BUFFER_LEN];
63	sysadm	1.1	time_t tm_now;
64			time_t tm_duration;
65			struct tm *p_tm;
66			int i;
67
68			clrline(4, 23);
69
70			time(&tm_now);
71
72			for (i = 0; i < user_count; i++)
73			{
74			tm_duration = tm_now - p_users[i].last_login_dt;
75			p_tm = gmtime(&tm_duration);
76	sysadm	1.3	if (p_tm == NULL)
77	sysadm	1.1	{
78	sysadm	1.3	log_error("Invalid time duration\n");
79			str_time_login[0] = '\0';
80			}
81			else if (p_tm->tm_year > 70)
82			{
83			snprintf(str_time_login, sizeof(str_time_login),
84	sysadm	1.13	"%d年%d天", p_tm->tm_year - 70, p_tm->tm_yday);
85	sysadm	1.1	}
86	sysadm	1.3	else if (p_tm->tm_yday > 0)
87	sysadm	1.1	{
88	sysadm	1.3	snprintf(str_time_login, sizeof(str_time_login),
89	sysadm	1.1	"%d天", p_tm->tm_yday);
90			}
91			else if (p_tm->tm_hour > 0)
92			{
93	sysadm	1.3	snprintf(str_time_login, sizeof(str_time_login),
94	sysadm	1.13	"%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
95	sysadm	1.1	}
96			else
97			{
98	sysadm	1.3	snprintf(str_time_login, sizeof(str_time_login),
99	sysadm	1.13	"%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
100	sysadm	1.1	}
101
102			moveto(4 + i, 1);
103
104	sysadm	1.3	prints(" %6d %s%s %s%s %s",
105	sysadm	1.4	p_users[i].id + 1,
106	sysadm	1.1	p_users[i].username,
107			BBS_username_max_len - str_length(p_users[i].username, 1),
108			"",
109			p_users[i].nickname,
110			BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
111			"",
112	sysadm	1.3	str_time_login);
113			}
114
115			return 0;
116			}
117
118			static int user_online_list_draw_items(int page_id, USER_ONLINE_INFO *p_users, int user_count)
119			{
120			char str_time_login[LINE_BUFFER_LEN];
121			char str_time_idle[LINE_BUFFER_LEN];
122			const char *p_action_title;
123			time_t tm_now;
124			time_t tm_duration;
125			struct tm *p_tm;
126			int i;
127
128			clrline(4, 23);
129
130			time(&tm_now);
131
132			for (i = 0; i < user_count; i++)
133			{
134			tm_duration = tm_now - p_users[i].login_tm;
135			p_tm = gmtime(&tm_duration);
136			if (p_tm == NULL)
137			{
138			log_error("Invalid time duration\n");
139			str_time_login[0] = '\0';
140			}
141			else if (p_tm->tm_yday > 0)
142			{
143			snprintf(str_time_login, sizeof(str_time_login),
144	sysadm	1.13	"%dd%dh", p_tm->tm_yday, p_tm->tm_hour);
145	sysadm	1.3	}
146			else if (p_tm->tm_hour > 0)
147			{
148			snprintf(str_time_login, sizeof(str_time_login),
149	sysadm	1.13	"%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
150	sysadm	1.3	}
151			else
152			{
153			snprintf(str_time_login, sizeof(str_time_login),
154	sysadm	1.13	"%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
155	sysadm	1.3	}
156
157			tm_duration = tm_now - p_users[i].last_tm;
158			p_tm = gmtime(&tm_duration);
159			if (p_tm == NULL)
160			{
161			log_error("Invalid time duration\n");
162			str_time_idle[0] = '\0';
163			}
164			else if (p_tm->tm_min > 0)
165			{
166			snprintf(str_time_idle, sizeof(str_time_idle),
167			"%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
168			}
169			else
170			{
171			snprintf(str_time_idle, sizeof(str_time_idle),
172			"%d\"", p_tm->tm_sec);
173			}
174
175			p_action_title = (p_users[i].current_action_title != NULL
176			? p_users[i].current_action_title
177			: p_users[i].current_action);
178
179			moveto(4 + i, 1);
180
181			prints(" %6d %s%s %s%s %s%s %s%s %s",
182	sysadm	1.4	p_users[i].id + 1,
183	sysadm	1.3	p_users[i].user_info.username,
184			BBS_username_max_len - str_length(p_users[i].user_info.username, 1),
185			"",
186			p_users[i].user_info.nickname,
187			BBS_nickname_max_len / 2 - str_length(p_users[i].user_info.nickname, 1),
188			"",
189			str_time_login,
190			8 - str_length(str_time_login, 1),
191			"",
192			str_time_idle,
193			6 - str_length(str_time_idle, 1),
194			"",
195			p_action_title);
196	sysadm	1.1	}
197
198			return 0;
199			}
200
201			static enum select_cmd_t user_list_select(int total_page, int item_count, int p_page_id, int p_selected_index)
202			{
203			int old_page_id = *p_page_id;
204			int old_selected_index = *p_selected_index;
205			int ch;
206
207			if (item_count > 0 && *p_selected_index >= 0)
208			{
209			moveto(4 + *p_selected_index, 1);
210			outc('>');
211			iflush();
212			}
213
214			while (!SYS_server_exit)
215			{
216			ch = igetch(100);
217
218			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
219			{
220			BBS_last_access_tm = time(NULL);
221	sysadm	1.25
222			// Refresh current action
223			if (user_online_update(NULL) < 0)
224			{
225			log_error("user_online_update(NULL) error\n");
226			}
227	sysadm	1.1	}
228
229			switch (ch)
230			{
231			case KEY_NULL: // broken pipe
232			log_error("KEY_NULL\n");
233			case KEY_ESC:
234			case KEY_LEFT:
235			return EXIT_LIST; // exit list
236			case KEY_TIMEOUT:
237	sysadm	1.22	if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
238	sysadm	1.1	{
239			log_error("User input timeout\n");
240			return EXIT_LIST; // exit list
241			}
242			continue;
243			case CR:
244			case KEY_RIGHT:
245			if (item_count > 0)
246			{
247			return VIEW_USER;
248			}
249			break;
250			case KEY_HOME:
251			*p_page_id = 0;
252			case 'P':
253			case KEY_PGUP:
254			*p_selected_index = 0;
255			case 'k':
256			case KEY_UP:
257			if (*p_selected_index <= 0)
258			{
259			if (*p_page_id > 0)
260			{
261			(*p_page_id)--;
262			*p_selected_index = BBS_user_limit_per_page - 1;
263			}
264			else if (ch == KEY_UP \|\| ch == 'k') // Rotate to the tail of list
265			{
266			if (total_page > 0)
267			{
268			*p_page_id = total_page - 1;
269			}
270			if (item_count > 0)
271			{
272			*p_selected_index = item_count - 1;
273			}
274			}
275			}
276			else
277			{
278			(*p_selected_index)--;
279			}
280			break;
281			case '$':
282			case KEY_END:
283			if (total_page > 0)
284			{
285			*p_page_id = total_page - 1;
286			}
287			case 'N':
288			case KEY_PGDN:
289			if (item_count > 0)
290			{
291			*p_selected_index = item_count - 1;
292			}
293			case 'j':
294			case KEY_DOWN:
295			if (*p_selected_index + 1 >= item_count) // next page
296			{
297			if (*p_page_id + 1 < total_page)
298			{
299			(*p_page_id)++;
300			*p_selected_index = 0;
301			}
302			else if (ch == KEY_DOWN \|\| ch == 'j') // Rotate to the head of list
303			{
304			*p_page_id = 0;
305			*p_selected_index = 0;
306			}
307			}
308			else
309			{
310			(*p_selected_index)++;
311			}
312			break;
313	sysadm	1.14	case 's':
314			return SEARCH_USER;
315	sysadm	1.4	case KEY_F5:
316			return REFRESH_LIST;
317	sysadm	1.1	case 'h':
318			return SHOW_HELP;
319			default:
320			break;
321			}
322
323			if (old_page_id != *p_page_id)
324			{
325			return CHANGE_PAGE;
326			}
327
328			if (item_count > 0 && old_selected_index != *p_selected_index)
329			{
330			if (old_selected_index >= 0)
331			{
332			moveto(4 + old_selected_index, 1);
333			outc(' ');
334			}
335			if (*p_selected_index >= 0)
336			{
337			moveto(4 + *p_selected_index, 1);
338			outc('>');
339			}
340			iflush();
341
342			old_selected_index = *p_selected_index;
343			}
344			}
345
346			return EXIT_LIST;
347			}
348
349	sysadm	1.3	int user_list_display(int online_user)
350	sysadm	1.1	{
351			char page_info_str[LINE_BUFFER_LEN];
352			USER_INFO users[BBS_user_limit_per_page];
353	sysadm	1.3	USER_ONLINE_INFO online_users[BBS_user_limit_per_page];
354	sysadm	1.7	int user_count = 0;
355			int page_count = 0;
356	sysadm	1.1	int page_id = 0;
357			int selected_index = 0;
358	sysadm	1.7	int ret = 0;
359	sysadm	1.1
360	sysadm	1.3	user_list_draw_screen(online_user);
361	sysadm	1.1
362	sysadm	1.3	if (online_user)
363			{
364			ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
365			if (ret < 0)
366			{
367			log_error("query_user_online_list(page_id=%d) error\n", page_id);
368			return -2;
369			}
370			}
371			else
372	sysadm	1.1	{
373	sysadm	1.3	ret = query_user_list(page_id, users, &user_count, &page_count);
374			if (ret < 0)
375			{
376			log_error("query_user_list(page_id=%d) error\n", page_id);
377			return -2;
378			}
379	sysadm	1.1	}
380
381			if (user_count == 0) // empty list
382			{
383			selected_index = 0;
384			}
385
386			while (!SYS_server_exit)
387			{
388	sysadm	1.3	if (online_user)
389			{
390			ret = user_online_list_draw_items(page_id, online_users, user_count);
391			if (ret < 0)
392			{
393			log_error("user_online_list_draw_items(page_id=%d) error\n", page_id);
394			return -3;
395			}
396			}
397			else
398	sysadm	1.1	{
399	sysadm	1.3	ret = user_list_draw_items(page_id, users, user_count);
400			if (ret < 0)
401			{
402			log_error("user_list_draw_items(page_id=%d) error\n", page_id);
403			return -3;
404			}
405	sysadm	1.1	}
406
407			snprintf(page_info_str, sizeof(page_info_str),
408			"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
409			page_id + 1, MAX(page_count, 1));
410
411			show_bottom(page_info_str);
412			iflush();
413
414	sysadm	1.3	if (user_online_update(online_user ? "USER_ONLINE" : "USER_LIST") < 0)
415	sysadm	1.1	{
416	sysadm	1.3	log_error("user_online_update(%s) error\n",
417			(online_user ? "USER_ONLINE" : "USER_LIST"));
418	sysadm	1.1	}
419
420			ret = user_list_select(page_count, user_count, &page_id, &selected_index);
421			switch (ret)
422			{
423			case EXIT_LIST:
424			return 0;
425	sysadm	1.4	case REFRESH_LIST:
426	sysadm	1.1	case CHANGE_PAGE:
427	sysadm	1.4	if (online_user)
428			{
429			ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
430			if (ret < 0)
431			{
432			log_error("query_user_online_list(page_id=%d) error\n", page_id);
433			return -2;
434			}
435			}
436			else
437	sysadm	1.1	{
438	sysadm	1.4	ret = query_user_list(page_id, users, &user_count, &page_count);
439			if (ret < 0)
440			{
441			log_error("query_user_list(page_id=%d) error\n", page_id);
442			return -2;
443			}
444	sysadm	1.1	}
445
446			if (user_count == 0) // empty list
447			{
448			selected_index = 0;
449			}
450			else if (selected_index >= user_count)
451			{
452			selected_index = user_count - 1;
453			}
454			break;
455			case VIEW_USER:
456	sysadm	1.12	user_info_display(online_user ? &(online_users[selected_index].user_info) : &(users[selected_index]));
457	sysadm	1.3	user_list_draw_screen(online_user);
458	sysadm	1.1	break;
459	sysadm	1.14	case SEARCH_USER:
460			user_list_search();
461			user_list_draw_screen(online_user);
462			break;
463	sysadm	1.1	case SHOW_HELP:
464			// Display help information
465			display_file(DATA_READ_HELP, 1);
466	sysadm	1.3	user_list_draw_screen(online_user);
467	sysadm	1.1	break;
468			default:
469			log_error("Unknown command %d\n", ret);
470			}
471			}
472
473			return 0;
474			}
475	sysadm	1.14
476			int user_list_search(void)
477			{
478			const int users_per_line = 5;
479			const int max_user_lines = 20;
480			const int max_user_cnt = users_per_line * max_user_lines + 1;
481
482			char username[BBS_username_max_len + 1];
483			int32_t uid_list[max_user_cnt];
484			char username_list[max_user_cnt][BBS_username_max_len + 1];
485			int ret;
486			int i;
487			USER_INFO user_info;
488	sysadm	1.18	char user_intro[BBS_user_intro_max_len + 1];
489	sysadm	1.14	int ok;
490	sysadm	1.19	int ch;
491	sysadm	1.14
492			username[0] = '\0';
493
494			clearscr();
495
496			while (!SYS_server_exit)
497			{
498	sysadm	1.19	clrline(3, SCREEN_ROWS);
499	sysadm	1.14	get_data(2, 1, "查找谁: ", username, sizeof(username), BBS_username_max_len);
500
501			if (username[0] == '\0')
502			{
503			return 0;
504			}
505
506			// Verify format
507			for (i = 0, ok = 1; ok && username[i] != '\0'; i++)
508			{
509	sysadm	1.24	if (!(isalpha((int)username[i]) \|\| (i > 0 && (isdigit((int)username[i]) \|\| username[i] == '_'))))
510	sysadm	1.14	{
511			ok = 0;
512			}
513			}
514	sysadm	1.17	if (ok && i > BBS_username_max_len)
515	sysadm	1.14	{
516			ok = 0;
517			}
518			if (!ok)
519			{
520			moveto(3, 1);
521			clrtoeol();
522			prints("用户名格式非法");
523			continue;
524			}
525
526			clrline(3, SCREEN_ROWS);
527
528			ret = query_user_info_by_username(username, max_user_cnt, uid_list, username_list);
529
530			if (ret < 0)
531			{
532			log_error("query_user_info_by_username(%s) error\n", username);
533			return -1;
534			}
535			else if (ret > 1)
536			{
537	sysadm	1.19	for (i = 0; i < MIN(ret, users_per_line * max_user_lines); i++)
538			{
539			moveto(4 + i / users_per_line, 3 + i % users_per_line * (BBS_username_max_len + 3));
540			prints("%s", username_list[i]);
541			}
542			moveto(SCREEN_ROWS, 1);
543			if (ret > users_per_line * max_user_lines)
544			{
545			prints("还有更多...");
546			}
547
548	sysadm	1.14	moveto(3, 1);
549	sysadm	1.19	prints("存在多个匹配的用户，按\033[1;33mEnter\033[m精确查找");
550	sysadm	1.14	iflush();
551
552	sysadm	1.22	ch = igetch_t(BBS_max_user_idle_time);
553	sysadm	1.19	switch (ch)
554	sysadm	1.14	{
555			case KEY_NULL:
556			case KEY_TIMEOUT:
557	sysadm	1.15	return -1;
558			case KEY_ESC:
559	sysadm	1.14	return 0;
560	sysadm	1.19	case CR:
561	sysadm	1.14	ret = (strcasecmp(username_list[0], username) == 0 ? 1 : 0);
562			break;
563	sysadm	1.19	default:
564			i = (int)strnlen(username, sizeof(username) - 1);
565	sysadm	1.24	if (i + 1 <= BBS_username_max_len && (isalnum(ch) \|\| ch == '_'))
566	sysadm	1.14	{
567	sysadm	1.19	username[i] = (char)ch;
568			username[i + 1] = '\0';
569	sysadm	1.14	}
570			continue;
571			}
572			}
573
574	sysadm	1.19	clrline(3, SCREEN_ROWS);
575	sysadm	1.14	if (ret == 0)
576			{
577			moveto(3, 1);
578			prints("没有找到符合条件的用户");
579	sysadm	1.16	press_any_key();
580			return 0;
581	sysadm	1.14	}
582			else // ret == 1
583			{
584			if (query_user_info_by_uid(uid_list[0], &user_info, user_intro, sizeof(user_intro)) <= 0)
585			{
586			log_error("query_user_info_by_uid(uid=%d) error\n", uid_list[0]);
587			return -2;
588			}
589			else if (user_info_display(&user_info) < 0)
590			{
591			log_error("user_info_display(uid=%d) error\n", uid_list[0]);
592			return -3;
593			}
594			return 1;
595			}
596			}
597
598			return 0;
599			}
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