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_list_display.h"
#include <string.h>
#include <time.h>
#include <sys/param.h>

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

static int user_list_draw_screen()
{
        clearscr();
        show_top("[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] 帮助[\033[1;32mh\033[0;37m]\033[m");
        moveto(3, 0);
        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[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->tm_year > 70)
                {
                        snprintf(str_time, sizeof(str_time),
                                         "%d年", p_tm->tm_year - 70);
                }
                else if (p_tm->tm_yday > 1)
                {
                        snprintf(str_time, sizeof(str_time),
                                         "%d天", p_tm->tm_yday);
                }
                else if (p_tm->tm_hour > 0)
                {
                        snprintf(str_time, sizeof(str_time),
                                         "%d时%d分", p_tm->tm_hour, p_tm->tm_min);
                }
                else
                {
                        snprintf(str_time, sizeof(str_time),
                                         "%d分%d秒", p_tm->tm_min, p_tm->tm_sec);
                }

                moveto(4 + i, 1);

                prints("  %7d   %s%*s %s%*s %s",
                           p_users[i].uid,
                           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);
        }

        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 '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(void)
{
        char page_info_str[LINE_BUFFER_LEN];
        USER_INFO users[BBS_user_limit_per_page];
        int user_count;
        int page_count;
        int page_id = 0;
        int selected_index = 0;
        int ret;

        user_list_draw_screen();

        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)
        {
                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("USER_LIST") < 0)
                {
                        log_error("user_online_update(USER_LIST) error\n");
                }

                ret = user_list_select(page_count, user_count, &page_id, &selected_index);
                switch (ret)
                {
                case EXIT_LIST:
                        return 0;
                case CHANGE_PAGE:
                        ret = query_user_list(page_id, users, &user_count, &page_count);
                        if (ret < 0)
                        {
                                log_error("query_favor_articles(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:
                        clearscr();
                        press_any_key_ex("功能不可用，按任意键返回", 60);
                        user_list_draw_screen();
                        break;
                case SHOW_HELP:
                        // Display help information
                        display_file(DATA_READ_HELP, 1);
                        user_list_draw_screen();
                        break;
                default:
                        log_error("Unknown command %d\n", ret);
                }
        }

        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			#include "user_list_display.h"
26			#include <string.h>
27			#include <time.h>
28			#include <sys/param.h>
29
30			enum select_cmd_t
31			{
32			EXIT_LIST = 0,
33			VIEW_USER,
34			CHANGE_PAGE,
35			SHOW_HELP,
36			};
37
38			static int user_list_draw_screen()
39			{
40			clearscr();
41			show_top("[已注册用户]", BBS_name, "");
42			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			"查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m");
45			moveto(3, 0);
46			prints("\033[44;37m \033[1;37m 编号用户名昵称上次登陆距今 \033[m");
47
48			return 0;
49			}
50
51			static int user_list_draw_items(int page_id, USER_INFO *p_users,
52			int user_count)
53			{
54			char str_time[LINE_BUFFER_LEN];
55			time_t tm_now;
56			time_t tm_duration;
57			struct tm *p_tm;
58			int i;
59
60			clrline(4, 23);
61
62			time(&tm_now);
63
64			for (i = 0; i < user_count; i++)
65			{
66			tm_duration = tm_now - p_users[i].last_login_dt;
67			p_tm = gmtime(&tm_duration);
68			if (p_tm->tm_year > 70)
69			{
70			snprintf(str_time, sizeof(str_time),
71			"%d年", p_tm->tm_year - 70);
72			}
73			else if (p_tm->tm_yday > 1)
74			{
75			snprintf(str_time, sizeof(str_time),
76			"%d天", p_tm->tm_yday);
77			}
78			else if (p_tm->tm_hour > 0)
79			{
80			snprintf(str_time, sizeof(str_time),
81			"%d时%d分", p_tm->tm_hour, p_tm->tm_min);
82			}
83			else
84			{
85			snprintf(str_time, sizeof(str_time),
86			"%d分%d秒", p_tm->tm_min, p_tm->tm_sec);
87			}
88
89			moveto(4 + i, 1);
90
91			prints(" %7d %s%s %s%s %s",
92			p_users[i].uid,
93			p_users[i].username,
94			BBS_username_max_len - str_length(p_users[i].username, 1),
95			"",
96			p_users[i].nickname,
97			BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
98			"",
99			str_time);
100			}
101
102			return 0;
103			}
104
105			static enum select_cmd_t user_list_select(int total_page, int item_count, int p_page_id, int p_selected_index)
106			{
107			int old_page_id = *p_page_id;
108			int old_selected_index = *p_selected_index;
109			int ch;
110
111			if (item_count > 0 && *p_selected_index >= 0)
112			{
113			moveto(4 + *p_selected_index, 1);
114			outc('>');
115			iflush();
116			}
117
118			while (!SYS_server_exit)
119			{
120			ch = igetch(100);
121
122			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
123			{
124			BBS_last_access_tm = time(NULL);
125			}
126
127			switch (ch)
128			{
129			case KEY_NULL: // broken pipe
130			log_error("KEY_NULL\n");
131			case KEY_ESC:
132			case KEY_LEFT:
133			return EXIT_LIST; // exit list
134			case KEY_TIMEOUT:
135			if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
136			{
137			log_error("User input timeout\n");
138			return EXIT_LIST; // exit list
139			}
140			continue;
141			case CR:
142			case KEY_RIGHT:
143			if (item_count > 0)
144			{
145			return VIEW_USER;
146			}
147			break;
148			case KEY_HOME:
149			*p_page_id = 0;
150			case 'P':
151			case KEY_PGUP:
152			*p_selected_index = 0;
153			case 'k':
154			case KEY_UP:
155			if (*p_selected_index <= 0)
156			{
157			if (*p_page_id > 0)
158			{
159			(*p_page_id)--;
160			*p_selected_index = BBS_user_limit_per_page - 1;
161			}
162			else if (ch == KEY_UP \|\| ch == 'k') // Rotate to the tail of list
163			{
164			if (total_page > 0)
165			{
166			*p_page_id = total_page - 1;
167			}
168			if (item_count > 0)
169			{
170			*p_selected_index = item_count - 1;
171			}
172			}
173			}
174			else
175			{
176			(*p_selected_index)--;
177			}
178			break;
179			case '$':
180			case KEY_END:
181			if (total_page > 0)
182			{
183			*p_page_id = total_page - 1;
184			}
185			case 'N':
186			case KEY_PGDN:
187			if (item_count > 0)
188			{
189			*p_selected_index = item_count - 1;
190			}
191			case 'j':
192			case KEY_DOWN:
193			if (*p_selected_index + 1 >= item_count) // next page
194			{
195			if (*p_page_id + 1 < total_page)
196			{
197			(*p_page_id)++;
198			*p_selected_index = 0;
199			}
200			else if (ch == KEY_DOWN \|\| ch == 'j') // Rotate to the head of list
201			{
202			*p_page_id = 0;
203			*p_selected_index = 0;
204			}
205			}
206			else
207			{
208			(*p_selected_index)++;
209			}
210			break;
211			case 'h':
212			return SHOW_HELP;
213			default:
214			break;
215			}
216
217			if (old_page_id != *p_page_id)
218			{
219			return CHANGE_PAGE;
220			}
221
222			if (item_count > 0 && old_selected_index != *p_selected_index)
223			{
224			if (old_selected_index >= 0)
225			{
226			moveto(4 + old_selected_index, 1);
227			outc(' ');
228			}
229			if (*p_selected_index >= 0)
230			{
231			moveto(4 + *p_selected_index, 1);
232			outc('>');
233			}
234			iflush();
235
236			old_selected_index = *p_selected_index;
237			}
238			}
239
240			return EXIT_LIST;
241			}
242
243			int user_list_display(void)
244			{
245			char page_info_str[LINE_BUFFER_LEN];
246			USER_INFO users[BBS_user_limit_per_page];
247			int user_count;
248			int page_count;
249			int page_id = 0;
250			int selected_index = 0;
251			int ret;
252
253			user_list_draw_screen();
254
255			ret = query_user_list(page_id, users, &user_count, &page_count);
256			if (ret < 0)
257			{
258			log_error("query_user_list(page_id=%d) error\n", page_id);
259			return -2;
260			}
261
262			if (user_count == 0) // empty list
263			{
264			selected_index = 0;
265			}
266
267			while (!SYS_server_exit)
268			{
269			ret = user_list_draw_items(page_id, users, user_count);
270			if (ret < 0)
271			{
272			log_error("user_list_draw_items(page_id=%d) error\n", page_id);
273			return -3;
274			}
275
276			snprintf(page_info_str, sizeof(page_info_str),
277			"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
278			page_id + 1, MAX(page_count, 1));
279
280			show_bottom(page_info_str);
281			iflush();
282
283			if (user_online_update("USER_LIST") < 0)
284			{
285			log_error("user_online_update(USER_LIST) error\n");
286			}
287
288			ret = user_list_select(page_count, user_count, &page_id, &selected_index);
289			switch (ret)
290			{
291			case EXIT_LIST:
292			return 0;
293			case CHANGE_PAGE:
294			ret = query_user_list(page_id, users, &user_count, &page_count);
295			if (ret < 0)
296			{
297			log_error("query_favor_articles(page_id=%d) error\n", page_id);
298			return -2;
299			}
300
301			if (user_count == 0) // empty list
302			{
303			selected_index = 0;
304			}
305			else if (selected_index >= user_count)
306			{
307			selected_index = user_count - 1;
308			}
309			break;
310			case VIEW_USER:
311			clearscr();
312			press_any_key_ex("功能不可用，按任意键返回", 60);
313			user_list_draw_screen();
314			break;
315			case SHOW_HELP:
316			// Display help information
317			display_file(DATA_READ_HELP, 1);
318			user_list_draw_screen();
319			break;
320			default:
321			log_error("Unknown command %d\n", ret);
322			}
323			}
324
325			return 0;
326			}
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