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
#ifdef _DEBUG
                        log_error("KEY_NULL\n");
#endif
                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	sysadm	1.26	#ifdef _DEBUG
233	sysadm	1.1	log_error("KEY_NULL\n");
234	sysadm	1.26	#endif
235	sysadm	1.1	case KEY_ESC:
236			case KEY_LEFT:
237			return EXIT_LIST; // exit list
238			case KEY_TIMEOUT:
239	sysadm	1.22	if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
240	sysadm	1.1	{
241			log_error("User input timeout\n");
242			return EXIT_LIST; // exit list
243			}
244			continue;
245			case CR:
246			case KEY_RIGHT:
247			if (item_count > 0)
248			{
249			return VIEW_USER;
250			}
251			break;
252			case KEY_HOME:
253			*p_page_id = 0;
254			case 'P':
255			case KEY_PGUP:
256			*p_selected_index = 0;
257			case 'k':
258			case KEY_UP:
259			if (*p_selected_index <= 0)
260			{
261			if (*p_page_id > 0)
262			{
263			(*p_page_id)--;
264			*p_selected_index = BBS_user_limit_per_page - 1;
265			}
266			else if (ch == KEY_UP \|\| ch == 'k') // Rotate to the tail of list
267			{
268			if (total_page > 0)
269			{
270			*p_page_id = total_page - 1;
271			}
272			if (item_count > 0)
273			{
274			*p_selected_index = item_count - 1;
275			}
276			}
277			}
278			else
279			{
280			(*p_selected_index)--;
281			}
282			break;
283			case '$':
284			case KEY_END:
285			if (total_page > 0)
286			{
287			*p_page_id = total_page - 1;
288			}
289			case 'N':
290			case KEY_PGDN:
291			if (item_count > 0)
292			{
293			*p_selected_index = item_count - 1;
294			}
295			case 'j':
296			case KEY_DOWN:
297			if (*p_selected_index + 1 >= item_count) // next page
298			{
299			if (*p_page_id + 1 < total_page)
300			{
301			(*p_page_id)++;
302			*p_selected_index = 0;
303			}
304			else if (ch == KEY_DOWN \|\| ch == 'j') // Rotate to the head of list
305			{
306			*p_page_id = 0;
307			*p_selected_index = 0;
308			}
309			}
310			else
311			{
312			(*p_selected_index)++;
313			}
314			break;
315	sysadm	1.14	case 's':
316			return SEARCH_USER;
317	sysadm	1.4	case KEY_F5:
318			return REFRESH_LIST;
319	sysadm	1.1	case 'h':
320			return SHOW_HELP;
321			default:
322			break;
323			}
324
325			if (old_page_id != *p_page_id)
326			{
327			return CHANGE_PAGE;
328			}
329
330			if (item_count > 0 && old_selected_index != *p_selected_index)
331			{
332			if (old_selected_index >= 0)
333			{
334			moveto(4 + old_selected_index, 1);
335			outc(' ');
336			}
337			if (*p_selected_index >= 0)
338			{
339			moveto(4 + *p_selected_index, 1);
340			outc('>');
341			}
342			iflush();
343
344			old_selected_index = *p_selected_index;
345			}
346			}
347
348			return EXIT_LIST;
349			}
350
351	sysadm	1.3	int user_list_display(int online_user)
352	sysadm	1.1	{
353			char page_info_str[LINE_BUFFER_LEN];
354			USER_INFO users[BBS_user_limit_per_page];
355	sysadm	1.3	USER_ONLINE_INFO online_users[BBS_user_limit_per_page];
356	sysadm	1.7	int user_count = 0;
357			int page_count = 0;
358	sysadm	1.1	int page_id = 0;
359			int selected_index = 0;
360	sysadm	1.7	int ret = 0;
361	sysadm	1.1
362	sysadm	1.3	user_list_draw_screen(online_user);
363	sysadm	1.1
364	sysadm	1.3	if (online_user)
365			{
366			ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
367			if (ret < 0)
368			{
369			log_error("query_user_online_list(page_id=%d) error\n", page_id);
370			return -2;
371			}
372			}
373			else
374	sysadm	1.1	{
375	sysadm	1.3	ret = query_user_list(page_id, users, &user_count, &page_count);
376			if (ret < 0)
377			{
378			log_error("query_user_list(page_id=%d) error\n", page_id);
379			return -2;
380			}
381	sysadm	1.1	}
382
383			if (user_count == 0) // empty list
384			{
385			selected_index = 0;
386			}
387
388			while (!SYS_server_exit)
389			{
390	sysadm	1.3	if (online_user)
391			{
392			ret = user_online_list_draw_items(page_id, online_users, user_count);
393			if (ret < 0)
394			{
395			log_error("user_online_list_draw_items(page_id=%d) error\n", page_id);
396			return -3;
397			}
398			}
399			else
400	sysadm	1.1	{
401	sysadm	1.3	ret = user_list_draw_items(page_id, users, user_count);
402			if (ret < 0)
403			{
404			log_error("user_list_draw_items(page_id=%d) error\n", page_id);
405			return -3;
406			}
407	sysadm	1.1	}
408
409			snprintf(page_info_str, sizeof(page_info_str),
410			"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
411			page_id + 1, MAX(page_count, 1));
412
413			show_bottom(page_info_str);
414			iflush();
415
416	sysadm	1.3	if (user_online_update(online_user ? "USER_ONLINE" : "USER_LIST") < 0)
417	sysadm	1.1	{
418	sysadm	1.3	log_error("user_online_update(%s) error\n",
419			(online_user ? "USER_ONLINE" : "USER_LIST"));
420	sysadm	1.1	}
421
422			ret = user_list_select(page_count, user_count, &page_id, &selected_index);
423			switch (ret)
424			{
425			case EXIT_LIST:
426			return 0;
427	sysadm	1.4	case REFRESH_LIST:
428	sysadm	1.1	case CHANGE_PAGE:
429	sysadm	1.4	if (online_user)
430			{
431			ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
432			if (ret < 0)
433			{
434			log_error("query_user_online_list(page_id=%d) error\n", page_id);
435			return -2;
436			}
437			}
438			else
439	sysadm	1.1	{
440	sysadm	1.4	ret = query_user_list(page_id, users, &user_count, &page_count);
441			if (ret < 0)
442			{
443			log_error("query_user_list(page_id=%d) error\n", page_id);
444			return -2;
445			}
446	sysadm	1.1	}
447
448			if (user_count == 0) // empty list
449			{
450			selected_index = 0;
451			}
452			else if (selected_index >= user_count)
453			{
454			selected_index = user_count - 1;
455			}
456			break;
457			case VIEW_USER:
458	sysadm	1.12	user_info_display(online_user ? &(online_users[selected_index].user_info) : &(users[selected_index]));
459	sysadm	1.3	user_list_draw_screen(online_user);
460	sysadm	1.1	break;
461	sysadm	1.14	case SEARCH_USER:
462			user_list_search();
463			user_list_draw_screen(online_user);
464			break;
465	sysadm	1.1	case SHOW_HELP:
466			// Display help information
467			display_file(DATA_READ_HELP, 1);
468	sysadm	1.3	user_list_draw_screen(online_user);
469	sysadm	1.1	break;
470			default:
471			log_error("Unknown command %d\n", ret);
472			}
473			}
474
475			return 0;
476			}
477	sysadm	1.14
478			int user_list_search(void)
479			{
480			const int users_per_line = 5;
481			const int max_user_lines = 20;
482			const int max_user_cnt = users_per_line * max_user_lines + 1;
483
484			char username[BBS_username_max_len + 1];
485			int32_t uid_list[max_user_cnt];
486			char username_list[max_user_cnt][BBS_username_max_len + 1];
487			int ret;
488			int i;
489			USER_INFO user_info;
490	sysadm	1.18	char user_intro[BBS_user_intro_max_len + 1];
491	sysadm	1.14	int ok;
492	sysadm	1.19	int ch;
493	sysadm	1.14
494			username[0] = '\0';
495
496			clearscr();
497
498			while (!SYS_server_exit)
499			{
500	sysadm	1.19	clrline(3, SCREEN_ROWS);
501	sysadm	1.14	get_data(2, 1, "查找谁: ", username, sizeof(username), BBS_username_max_len);
502
503			if (username[0] == '\0')
504			{
505			return 0;
506			}
507
508			// Verify format
509			for (i = 0, ok = 1; ok && username[i] != '\0'; i++)
510			{
511	sysadm	1.24	if (!(isalpha((int)username[i]) \|\| (i > 0 && (isdigit((int)username[i]) \|\| username[i] == '_'))))
512	sysadm	1.14	{
513			ok = 0;
514			}
515			}
516	sysadm	1.17	if (ok && i > BBS_username_max_len)
517	sysadm	1.14	{
518			ok = 0;
519			}
520			if (!ok)
521			{
522			moveto(3, 1);
523			clrtoeol();
524			prints("用户名格式非法");
525			continue;
526			}
527
528			clrline(3, SCREEN_ROWS);
529
530			ret = query_user_info_by_username(username, max_user_cnt, uid_list, username_list);
531
532			if (ret < 0)
533			{
534			log_error("query_user_info_by_username(%s) error\n", username);
535			return -1;
536			}
537			else if (ret > 1)
538			{
539	sysadm	1.19	for (i = 0; i < MIN(ret, users_per_line * max_user_lines); i++)
540			{
541			moveto(4 + i / users_per_line, 3 + i % users_per_line * (BBS_username_max_len + 3));
542			prints("%s", username_list[i]);
543			}
544			moveto(SCREEN_ROWS, 1);
545			if (ret > users_per_line * max_user_lines)
546			{
547			prints("还有更多...");
548			}
549
550	sysadm	1.14	moveto(3, 1);
551	sysadm	1.19	prints("存在多个匹配的用户，按\033[1;33mEnter\033[m精确查找");
552	sysadm	1.14	iflush();
553
554	sysadm	1.22	ch = igetch_t(BBS_max_user_idle_time);
555	sysadm	1.19	switch (ch)
556	sysadm	1.14	{
557			case KEY_NULL:
558			case KEY_TIMEOUT:
559	sysadm	1.15	return -1;
560			case KEY_ESC:
561	sysadm	1.14	return 0;
562	sysadm	1.19	case CR:
563	sysadm	1.14	ret = (strcasecmp(username_list[0], username) == 0 ? 1 : 0);
564			break;
565	sysadm	1.19	default:
566			i = (int)strnlen(username, sizeof(username) - 1);
567	sysadm	1.24	if (i + 1 <= BBS_username_max_len && (isalnum(ch) \|\| ch == '_'))
568	sysadm	1.14	{
569	sysadm	1.19	username[i] = (char)ch;
570			username[i + 1] = '\0';
571	sysadm	1.14	}
572			continue;
573			}
574			}
575
576	sysadm	1.19	clrline(3, SCREEN_ROWS);
577	sysadm	1.14	if (ret == 0)
578			{
579			moveto(3, 1);
580			prints("没有找到符合条件的用户");
581	sysadm	1.16	press_any_key();
582			return 0;
583	sysadm	1.14	}
584			else // ret == 1
585			{
586			if (query_user_info_by_uid(uid_list[0], &user_info, user_intro, sizeof(user_intro)) <= 0)
587			{
588			log_error("query_user_info_by_uid(uid=%d) error\n", uid_list[0]);
589			return -2;
590			}
591			else if (user_info_display(&user_info) < 0)
592			{
593			log_error("user_info_display(uid=%d) error\n", uid_list[0]);
594			return -3;
595			}
596			return 1;
597			}
598			}
599
600			return 0;
601			}
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