lbbs/src/user_list_display.c

/***************************************************************************
                                         user_list_display.c  -  description
                                                         -------------------
        Copyright            : (C) 2004-2025 by Leaflet
        Email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#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);
                }

                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 >= MAX_DELAY_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;

        username[0] = '\0';

        clearscr();

        while (!SYS_server_exit)
        {
                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(username[i]) || (i > 0 && (isdigit(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)
                {
                        moveto(3, 1);
                        prints("存在多个匹配的用户，[S]精确查找，[L]列出全部? [L]");
                        iflush();
                        igetch_reset();

                        switch (igetch_t(MAX_DELAY_TIME))
                        {
                        case KEY_NULL:
                        case KEY_TIMEOUT:
                                return -1;
                        case KEY_ESC:
                                return 0;
                        case 'S':
                        case 's':
                                ret = (strcasecmp(username_list[0], username) == 0 ? 1 : 0);
                                break;
                        case 'L':
                        case 'l':
                        case CR:
                                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...");
                                }
                                continue;
                        default:
                                moveto(3, 1);
                                clrtoeol();
                                continue;
                        }
                }

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